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| 2EH | 2-ethylhexanol |
| AA | atomic absorption |
| ABS | Acrylonitrile - butadiene - styrene |
| AC | asphalt type |
| ACAD | Format for equipment symbols |
| ACAM | acrylamide |
| Acid Gases | carbon dioxide, hydrogen sulfide, hydrogen fluoride, hydrogen chloride, sulfur oxides, nitrogen oxides |
| ACoP | Approved code of practice on the safety of pressure systems in Europe |
| ACP | Measure of solvency of hydrocarbon solvents |
| AEGL | Acute Exposure Guideline Levels for Hazardous Substances |
| AFS | AIRS Facility Subsystem |
| AFV | alternative fuel vehicle |
| AIES | Acid Isolation and Evacuation System for HF alkylation |
| AIRS | Aerometric Information Retrieval System |
| ALAPCO | Association of Local Air Pollution Control Officials |
| Aliphatic | Any organic compound in which the main structure is a chain of carbon atoms joined to each other is classified as being aliphatic. |
| AMR | Automatic Meter Reading |
| AMS | alpha-methylstyrene |
| ANSI | American National Standards Institute |
| AODD | air-operated double diaphragm pump |
| AOL | related to coatings? |
| APC | advanced process control |
| API | Active Pharmacetical Ingredients |
| API | American Petroleum Institute |
| APS | atmospheric pipestill |
| ARMA | autoregressive moving average |
| Aromatic | Aromatics are a highly reactive group of hydrocarbons with unsaturated rings of carbon atoms, producing a great variety of products. As their name implies, they have a strong odour, which is not unpleasant. |
| ASA | Acrylonitrile - styrene - acrylate |
| ASM | abnormal situation management |
| ASP | aboveground steel pipe |
| ASP | application service provider e-commerce platform |
| ASTM | American Society for Testing and Materials |
| ATG | automatic tank gauging |
| ATR | auto thermal reforming to make hydrogen |
| autofrettage | pre-stressing technique used on pressure barrels during initial manufacture to improve fatigue life & also for tank barrels, diesel injection etc; the net effect is to increase fatigue life |
| B2B | business-to-business (B2B) |
| Base chemicals | A group of chemicals produced in bulk from raw materials such as oil, gas and coal. Other chemicals are derived from base chemicals. |
| BD | Butadiene |
| BDO | 1,4 Butanediol |
| BDS | biocatalytic desulfurization |
| BFW | boiler feed water |
| BHA | butylated hydroxy anisole as antioxidant |
| BHT | butylated hydroxy toluene as antioxidant |
| BIFS | boilers and industrial furnaces |
| Bioslurping | a soil remediation technology |
| Bleve | Boiling Liquid Expanding Vapour explosions |
| BMS | Burner Management System (for boiler, furnaces, incinerators..) |
| BOT | Build, Operate and Transfer- EPC that builds a plant operates for an initial period and then transfers to the owner |
| BP | Boiling Point |
| BPA | Bisphenol-A (4,4'-isopropylidenediphenol) An intermediate used in the production of epoxy, polycarbonate and phenolic resins |
| BS&W | Water & Particulate Fuel Contamination |
| BTEX | Benzene, Toluene, Ethlybenzene, and Xylene |
| BTU | British thermal unit: The amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. |
| BTX | Abbreviation of the aromatic hydrocarbons, benzene, toluene and xylene |
| bunker reactor | moving bed reactor |
| BW | Brackish water |
| CAA | Clean Air Act |
| CADD | computer-aided draf-ting and design( |
| CAM | compliance assurance |
| CAS | Coatings, Adhesives and Sealants (C.A.S.) |
| Catalyst | A substance which aids or promotes a chemical reaction without forming part of the final product. It enables the reaction to take place faster or at a lower temperature, and remains unchanged at the end of the reaction. |
| Caustic | NaOH = Sodium hydroxide. A corrosive substance due to its high pH |
| CBT | computer-based training |
| CCR | Consumer Confidence Reports for water |
| CCR | continuous catalyst regeneration |
| CCTV | close circuit television for equipment inspection |
| CEO | catalized electrochemical oxidation |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act |
| CETRED | Combustion Emissions Technical Resource Document (EPA) |
| CFPP | operability specifications diesel oil test - additive for petroleum distillates |
| cGMP | current Good Manufacturing Practices |
| chemometrics | art of extracting chemically relevant information from data produced in chemical experiments |
| CHEs | compact heat exchangers |
| Chloride-cycle dealkalization | ion exchange-based process designed to remove alkalinity from pre-softened water |
| CHP | combined heat and power generation |
| CHRIS | Chemical Hazards Response Information System |
| CI | conversion index= refinery conversion capacity/crude capacity |
| CIC | column-in-column distillation |
| CIM | computer-integrated manufacturing |
| CIP | clean-in-place |
| CLRTO | closed loop real time optimization |
| CMC | carboxymethyl cellulose (CMC) |
| CMMS | computer maintenance management system |
| CNG | compressed natural gas |
| COC | cyclic olefin copolymers |
| COG | coal oven gas |
| Coking | A thermal cracking process to break up large molecules into smaller ones with the generation of quantities of petroleum coke. |
| CO-LaN | CAPE-OPEN interface standard on the long run, labeling delivery responsibility for CO compliant software. |
| COP | code of practice- to operate equipment that may pollute |
| CPD | conceptual process design |
| CPI | chemical process industries |
| CPS | Compact Polystyrene |
| CPVC | chlorinated-polyvinyl chloride |
| Cracking | The process of breaking down large molecules of oil into smaller ones |
| CRADA | collaborative research and development agreement |
| CS | carbon steel |
| CVD | chemical vapor deposition |
| CWA | Clean Water Act |
| CWM | coal-water mixtures |
| DAA | Diacetone alchohol |
| DAO | deasphalted oil |
| DAP | complex fertilizer |
| DB&B | double block and bleed |
| DCF | discounted cash flow |
| DCPD | dicyclopentadiene |
| DCS | distributed control systems |
| decarbonator | degasifier to remove CO2 from water |
| DEG | Diethylene glycol |
| DEGMBE | Diethylene glycol monobutyl ether |
| DEGMEE | Diethylene glycol monomethyl ether |
| dephlegmator | self refluxing exchanger that couples the principles of heat and mass transfer |
| de-rim | heat up temporarily the LNG train to remove accumulated solidified heavier components that increase pressure drop |
| DHDS | Diesel Hydrodesulphurisation |
| Distillation | Fractional distillation: process based on the difference in boiling points of the liquids in a mixture |
| DMC | dimethyl carbonate |
| DMC | dynamic matrix control |
| DME | Dimethyl ether |
| DMT | Dimethyl terephthalate |
| DNAPL | dense nonaqueous-phase liquids |
| DO | dissolved oxygen |
| DOE | design of experiments |
| DOP | Dioctyl Phthalate |
| DOSS | Dioctyl sodium sulfo succinate |
| Double bond | chemical bond between two carbon atoms can involve 1, 2, or 3 pairs of electrons, producing a single (C-C), double (C=C) or triple (CºC) bond. While the extra pairs of electrons give the bond more energy they also make it more chemically reactive |
| dP | pressure drop |
| DRA | drag reducing agent |
| Dripolene | benzene containing naphtha? |
| dry fuel factor | used along with % O2 or % CO2 and gas flow (in dscfm) to produce an approximate heat rate- found in EPA regulation 40 CFR 60 Appendix A Method 19 Table 19 |
| E&C | engineering, and construction |
| E&P | exploration and production (oil) |
| E/P | Ethylene - propylene |
| EA | Ethyl alcohol = ethanol |
| EAD | ethylene-acrylic derivatives polymers |
| EAM | enterprise asset management |
| EB/SM | Ethylbenzene/styrene monomer |
| EBCT | Empty Bed Contact Time |
| EBK | Ethyl butyl ketone, solvent |
| ECAT | Equilibrium Fluid Cracking Catalyst |
| ECC | Engineering & Construction Contracting |
| ECH | Epichlorohydrin |
| ECOS | Environmental Council of the States |
| EDC | Ethylene Dichloride |
| EDC | index to evaluate refinery performance |
| EDC/VCM | Ethylene dichloride/vinyl chloride monomer |
| EDGAR Database (SEC) | Electronic Data Gathering, Analysis, and Retrieval system |
| EDI | Electrodeionization |
| EDI | electronic data interchange |
| EDM | Electronic Document Management |
| EDMS | Electronic Data Management Systems |
| EDSP | EPA program for testing the potential effect of various chemicals on the human endocrine system for toxicity information for more than 2,000 chemicals |
| EFM | electronic flow measurement |
| EG | Ethylene glycol = 1,2-ethanediol = dihydroxyethane Alcohol formed by hydrolysis of Ethylene Oxide (EO) |
| EGMBE | Ethylene glycol monobutyl ether |
| EGR | exhaust gas recirculation |
| EHEDG | European Hygienic Engineering and Design Group |
| EHS | environment, health and safety |
| Elastomer | A polymer with the properties of rubber. Polymers that can be formulated as elastomers are polyurethane, butyl rubber, silicones and specially treated ethylene-propylene copolymers. |
| EMIS | environmental management information system |
| EMS | environmental management system |
| EO | Ethylene Oxide |
| EP | Epoxide; Epoxy |
| EP | electropolishing |
| EPA | U.S. Environmental Protection Agency |
| Epact | Energy Policy Act of 1992 |
| EPC | engineering, procurement and construction |
| EPCRA | Emergency Planning and Community Right-to-Know Act |
| EPDM | ethylene propylene diene rubber |
| EPS | Expandable Polystyrene |
| EPSS | electronic performance support system |
| EQC | engineering quality control |
| ERNS | Emergency Response Notification System |
| ERP | enterprise resource planning software |
| ESD | emergency shutdown |
| ESP | electrostatic precipitators |
| ETPs | Engineering thermoplastics |
| EVA | Ethylene - vinyl acetate |
| EVAC | ethylene- vinyl acetate copolymers |
| FAC | flow assisted corrosion |
| FAQ | Frequently Asked Questions |
| FBE | fusion-bonded epoxy coating for piping |
| FBHX | fluidized bed heat exchanger |
| FBRM | Focused Beam Reflectance Measurement |
| FBS | fluorous biphasic system for chemical sinthesis |
| FCC | Fluid Catalytic Cracking |
| FDA, F&DA | United States Food and Drug Administration |
| FDT | Field Device Tool |
| FEA | Finite element analysis is a method for testing how a part, product or system will behave under real-world conditions |
| FEED | front end engineering design |
| Feedstock | Raw material for a processing unit |
| FFS | fitness for service |
| FFV | flex-fuel vehicles |
| FIA | method for aromatics in diesel |
| FIBC | Flexible Intermediate Bulk Containers |
| fieldbus | fully integrated digital control with interoperable host and field devices |
| FIR | finite impulse response |
| FMCW | Frequently Modulated Continuous Wave for radar level gauges |
| FMEA | Failure Mode and Effects Analysis. Information Centre |
| FMEA | plant criticality scoring system (e.g. machinery) |
| FOCS | fibre optic chemical sensors |
| FPS | Foot/pound/second System |
| FPSO | floating, production, storage and offloading |
| FRP | Fiber reinforced Plastic/Polyester GRPP Glass Reinforced Plastic Piping |
| FT synthesis | Fischer-Tropsch synthesis to make liquid fuels out of syngas |
| FUM | Fumaric Acid |
| Fuming sulfuric acid | H2SO4 with no traces of water in it |
| FW | Feedwater (for boilers) |
| GBL | Gamma-butyrolactone |
| GCC | Gasification Combined Cycle |
| GGTVC | EPA's Greenhouse Gas Technology Verification Center |
| GHG | greenhouse gas |
| GIS | Geographic Information System |
| GMP | Good Manufacturing Practices |
| GP | polymer General Purpose |
| GRAS | |
| GRE | Glass Reinforced Epoxy |
| GRP | Glass Reinforced Plastic/Polyester |
| GRVE | Glass Reinforced Vinylester |
| GTL | Nat. gas-to-liquids conversion |
| GTP | Glycerol tripropionate |
| HACCP | Hazard Analysis Critical Control Point |
| HAFB | hydroxylamine free base |
| HAP | Hazardous air pollutants |
| HART | highway addressable remote transducer (communication protocol) |
| hartford loop | is used on a steam boiler to connect the main steam supply to the base of the unit which is filled with water |
| HAZMAT | "Techno jargon" for hazardous materials which, if released or misused, could pose a threat to people and the environment |
| HCCI | homogeneous-charge compression ignition |
| HCl | Hydrochloric Acid |
| HDA | hydrodealkylation; hydrodearomatization of diesel |
| HDD | Horizontal Directional Drilling |
| HDPE | High Density polyethylene (HDPE) |
| HG | Hexylene glycol |
| HI | polymer High Impact |
| HIPS | high integrity protective system HIPS for control |
| HNBR | hydrogenated acrylonitrile-butadiene rubber that is superior to NBR |
| Homopolymer | When a polymer is derived from a single monomer then all the repeating units along its chain are the same and it is described as a homopolymer. Copolymer is made from two monomers. |
| HON | hazardous organic NESHAP |
| HPLC | High Performance Liquid Chromatography |
| HPNA | heavy polynuclear aromatics |
| HPRT | hydraulic power recovery turbine |
| HRAC | heating, refrigeration and air conditioning |
| HRSG | heat-recovery steam generators |
| HVAC | house ventilation and air conditioning |
| HVOF | high velocity oxygen fuel coating procees |
| hydraulic packing | when grinding beads statically pack around the mill's discharge screen or gap |
| Hydrocarbon | An organic compound that consists exclusively of the elements carbon and hydrogen. Generally, the term hydrocarbon is used for the chemicals that are derived from natural gas, oil and coal. |
| HYSOPAR | dual function noble metal promoted zeolite catalyst |
| I&S | Iron and Steel |
| IAQ | indoor air quality |
| IBA | Isobutyl alcohol = isobutanol |
| IBP | Initial boiling point of a mixture of liquids |
| IBS | internet business solutions |
| ICIMS | integrated control and information management systems |
| ICP | analyzer? |
| ICQ # | |
| IDEA | Integrated Data for Enforcement Analysis |
| IFGR | induced flue gas recirculation |
| IGCC | integrated gasification combined cycle |
| IMC | Internal Model Control |
| Imod | Impact modifier |
| Invector | dry scrubbing clean up of flue gases and absorbtion of free oil |
| IOM | instruction manuals |
| IOR | improved oil recovery |
| IPA | Isophthalic Acid |
| IPA | Isopropyl alcohol |
| IPE | Isopropyl ether |
| IPHO | Isophorone |
| ISA-S95 | IT Standards |
| ISO 14000 | EMS created by ISO where companies follows environmental rules |
| ISO 9000 | |
| isostatic presses | |
| IX | Ion Exchange |
| jet cutting | |
| K/A Oil | mixture of cyclohexanone (the Ketone) and cyclohexanol (the Alcohol) |
| Kaizan Analysis | techniques for change (i.e. Process Analysis) |
| KBS | mixers |
| KM | knowledge management |
| KMC method | |
| LACT | Lease Automatic Custody Transfer |
| LAO | linear alpha olefins |
| LCA | Life Cycle Assesment: tool that quantifies the environmental impact of processes |
| LCP | Liquid - crystalline polymer |
| LCR | Loss-control representatives |
| LDAR | leak detection and repair |
| LDPE | Low Density Polyethylene has a low melting point, used for heat sealing, flexible films (retail bags and garment and grocery bags), flexible lids and bottles, and it is widely used in wire and cable applications for its stable electrical properties |
| Life Cycle | approach to business including support for an initial engineering conceptual design, EPC, pre-commissioning, commissioning, and start-up, and on-going operations and maintenance. |
| LIMS | Laboratory Information Management System |
| LIO | linear internal olefin |
| LLDPE | Linear Low Density Polyethylene used in film applications due to its toughness, flexibility and relative transparency. is the preferred resin for injection molding because of its superior toughness: grocery bags, garbage bags and landfill liners |
| LLP | lessons learned program |
| Load-leveling | for electrical power storage |
| LPG | liquid petroleum gas |
| LSI | Langelier stability index (LSI) has been used to predict the scaling or corrosive tendency of water |
| LTFF | operability specifications diesel oil test |
| LTTD | low-temperature thermal desorption |
| MABS | Methyl methacrylate - acrylonitrile - butadiene - styrene |
| MACT | maximum achievable control technology by EPA |
| MAN, MA | Maleic Anhydride |
| MAOP | maximum allowable working pressure |
| MAPD | methyl acetylene and propadiene |
| MBS | Methacrylate - butadiene - styrene |
| MCL | treatment techniques for chemicals in water |
| MCLS | Maximum credible loss scheme |
| MCS 90 | motor carriers required insurance endorsement |
| MDFI | Middle Distillate Flow Improvers are polymeric materials which during crystallisation of normal paraffins are incorporated into the wax crystal |
| MDI | methylene-diphenyl-di-isocyanate and is used for polyurethanes |
| MECS | Manufacturing Execution and Control Systems |
| MEK | Methyl Ethyl Ketone |
| MEO | mediated electrochemical oxidation |
| MeOH | Methyl Alcohol = methanol |
| Meq | Milliequivalent, 0.001 eq |
| MES | manufacturing execution system |
| MeSH | Methyl Mercaptan; CH3SH |
| MF | Melamine - formaldehyde |
| MHHPA | Methylhexahydrophthalic anhydride |
| MIAK | Methyl isoamyl ketone |
| MIBC | Methyl isobutyl carbinol |
| MIBK | Methyl isobutyl ketone |
| MIC | Microbiologically Influenced Corrosion |
| Microstation | Format for equipment symbols |
| middleware | the software linking control and business systems |
| MLSS | Mixed Liquor Suspended Solid - used in sewage treating |
| MMA | methyl metacrylates |
| MNA | Methyl Nadic Anhydride. |
| MNAK | Methyl N-amyl ketone |
| Monomer | A relatively simple compound that can react to form a polymer (i.e. polymerize). (Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., edited by Michael L. Berins) |
| MOW | mixed office wastepaper |
| MPC | model predictive control / multivariable model predictive control |
| MPF | Melamine - phenol - formaldehyde |
| MPFM | multiphase flow meters |
| MPHC | moderate pressure or mild hydrocracking |
| MRO | maintenance, repair & operation |
| MSA | master supply agreement |
| MSC | Melt Static Crystallisation |
| MSDS | Material Safety Data Sheet |
| MTBF | mean time between failures |
| MTBR | mean time between repairs |
| MTTR | Mean Time To Restore (or Repair). |
| MVSPC | Multivariate Statistical Process Control |
| MWD | molecular weight distribution in polymer |
| NAICS | North American Industry Classification System |
| NAO | normal alpha olefin |
| NBA | n-butyl alcohol |
| NDE | non-destructive examinations |
| NDT | non destructive testing |
| NESHAP | National Emissions Standards for Hazardous Air Pollutants |
| NGCC | natural gas fired, combined cycle plant |
| nitrogen rejection | remove nitrogen out of natural gas to increase its heating value |
| NMP | N-methyl-2-pyrrolidone |
| NP | complex fertilizer |
| NPA | n-propyl alcohol |
| NPC | nanoporous carbon |
| NPDES | National Pollutant Discharge Elimination System |
| NPDWR | National Primary Drinking Water Regulations (NPDWRs or primary standards) |
| NPH | Nonyl phenol |
| NPK | complex fertilizer |
| NPT | National Pipe Thread |
| NSR | New Source Review for emissions by EPA |
| NTIW | no tubes in window- of tube&shell heat exchanger |
| NZSD | near zero sulfur diesel |
| OAQPS | U.S. EPA Office of Air Quality Planning and Standards |
| OBM | oil based mud drill cuttings |
| OCA | offsite consequence analysis info from RMP's |
| OECA | U.S. EPA Office of Enforcement and Compliance Assurance |
| OEE | Overall Equipment Effectiveness |
| OEM | Original Equipment Manufacturers (OEMs) |
| Olefin | aliphatic hydrocarbons with one or more double bonds along the chain. The higher olefins have chains of up to 20 or more carbon atoms, and generally have the double bond between the first two carbons of the chain. These are termed the alpha olefins. |
| OM&S | Oil Movements and Storage |
| OPEX | index to evaluate refinery performance |
| OPPTS | U.S. EPA Office of Prevention, Pesticides, and Toxic Substances |
| organic chemicals | These are based on carbon compounds and form the backbone of the petrochemicals industry, while inorganic chemicals are non-carbon chemicals, such as mineral acids, alkalis, chlorine, hydrogen peroxide and various salts. |
| ORP | oxidation/reduction potential (ORP) to monitor water quality |
| osmotic pressure: | the pressure and potential energy difference which exists between two solutions on either side of a semipermeable membrane because of the tendency of water to flow in osmosis |
| OTV | odor threshold values |
| OXO alcohols | n-butanol, I-butanol and 2 ethyl hexanol |
| PA | Phthalic Anhydride |
| PA11 | Polyamide 11 - (nylon) |
| PA12 | Polyamide 12 - (nylon) |
| PA46 | Polyamide 46 - (nylon) |
| PA6 | Polyamide 6 - (nylon) |
| PA610 | Polyamide 610 - (nylon) |
| PA612 | Polyamide 612 - (nylon) |
| PA66 | Polyamide 66 - (nylon) |
| PA66/6T | Copolyamide 66/6T |
| PA666 | Copolyamide 666 |
| PAA | polyaspartic acid |
| PAEK | Polyaryletherketone |
| PAM | phthalic acid methylester |
| PANDT/INDT | Polyamide NDT/INDT |
| particulates | particulates: soluble and insoluble dusts and fumes, including submicrons, pyrophorics, hydrocarbons, and toxic metals |
| PAS | photoacoustic detection principles |
| PB | Polybutylene |
| PBT | persistent bioaccumulative toxic chemicals |
| PBT | polybutylene terephthalate |
| PBU | Product Business Unit |
| PC | Polycarbonate |
| PCCE | Poly(cyclohexylene dimethylene cyclohexanedicarboxylate), |
| PCDD | chlorinated dibenzo-p-dioxin |
| PCDF | chlorinated dibenzofuran (dioxin) |
| PCHE | printed compact heat exchanger |
| PCS | Permit Compliance System |
| PCTA | Poly(cyclohexylene dimethylene terephtalate), acid |
| PCTG | Poly(cyclohexylene dimethylene terephtalate), glycol |
| PD | positive displacement pump or compressor |
| PDM | predictive maintenance program |
| PDM | product-data management |
| PDO | 1-3-propanediol |
| PE | Polyethylene |
| PEFC | polymer electrolite fuel cell |
| PEHD | PolyEthylene High Density |
| PEI | Polyetherimide |
| PELD | PolyEthylene Low Density |
| PELLD | PolyEthylene L? Low Density |
| PEM | proton exchange membrane fuel cell system |
| PEMD | PolyEthylene Medium Density |
| PEN | Polyethylene naphthalate resins |
| PEPEX | Petroleum Electronic Pricing Exchange |
| PERT/CPM | program |
| PES | Polyethersulfone |
| PET | Polyethylene terephthalate |
| PETG | Poly(ethylene terephthalate), glycol |
| petrochemical | compound derived from petroleum or natural gas |
| PEULD | PolyEthylene Ultra Low Density |
| PEVLD | PolyEthylene Very Low Density |
| PF | Phenol - formaldehyde |
| PFD | process flow diagram ; Probability of Failure on Demand |
| PFO | Pyrolysis Fuel Oil |
| PHA | polyhydroxyalkanoate - green plastic |
| PHA | process hazard analysis |
| PI | Process Intensification; an approach to process and plant design, development and implementation |
| PIRS | process infrared systems |
| PK | Polyketone |
| PLA | polylactide - green plastic |
| PLC | programable-logic controller |
| PLM | product lifecycle management: mix of software for laboratory information, manufacturing, and data maintenance |
| pluronics | co-polymer gel of ethylene and propylene oxide |
| PM | particulate matter |
| PM | preventative maintenance |
| PMDA | pyromellitic dianhydride |
| PMMA | Poly(methyl)metacrylates |
| PO | Propylene oxide |
| POE | point-of-entry |
| Polymer | When identical simple molecules (monomers) come together and link up in a chain-like fashion they form a polymer |
| Polyol | This is an organic molecule with three or more alcohol groups attached |
| Polyolefin | This is the collective name given to those polymers that are made from the lower olefins: ethylene, propylene, butylene and isoprene+D592 |
| POM | Poly(oxymethylene); Polyformaldehyde |
| POP | persistent organic polluters |
| POS | Process Operations Simulators |
| POU | point-of-use |
| PP | Polypropylene |
| ppb | Parts by weight per billion parts |
| PPE | Poly(phenylene ether) |
| PPE | personnel protection equipment |
| PPMOF | prefabrication, preassembly, modularization and offsite fabrication |
| ppmw | Parts by weight per million parts |
| PPS | Poly(phenylene sulfide) |
| PPSU | Poly(phenylene sulfone) |
| PRM | photochemically reactive material |
| Process Intensification | PI is an approach to process and plant design, development and implementation |
| Proximate analysis | fuel moisture, volatile matter, fixed carbon and ash proportions |
| PRU | Product Responsible Units |
| PS | Polystyrene |
| PS - Syndio | syndiotactic Polystyrene |
| PS&C | Product Safety & Compliance |
| PSA | pressure swing adsorption for the production of high purity hydrogen |
| Psi | Pounds of pressure per square inch of surface area |
| PSM | Process Safety Management by OSHA for the protection of on-site workers |
| PSSR | pressure systems safety regulations in Europe |
| PSU | Polysulfone |
| PSV | pressure safety valve |
| PT | power transmission |
| PTA | poly terephthalic acid, purified terephthalic acid |
| PTB | pounds per thousand barrels |
| PTE | Potential to Emit pollution |
| PTFE | Polytetrafluoroethylene |
| PTMEG | Polytetramethyleneetherglycol is a blend of linear diols in which the hydroxyl groups are separated by repeating tetramethylene ether groups |
| PTT | Polytrimethylene Terephthalate |
| pultrusion | manufacturing process for producing continuous lengths of reinforced plastic structural shapes with constant cross-sections |
| PUR | Polyurethane |
| PVA | Polyvinyl alcohol |
| PVC | Polyvinyl Chloride |
| PVDF | Poly(vinylidene fluoride) |
| PYGAS | Pyrolysis Gasoline |
| RACE | return on adjusted capital employed |
| RAM | Reliability, availability, maintainability analysis |
| RBI | Risk-based inspection methodology |
| RBLC | EPA rule? |
| RCA | root cause analysis |
| RCM | reliability centered maintenance |
| RCRA | Resource Conservation and Recovery Act |
| RCRIS | Resource Conservation and Recovery Information System |
| Residual Risk | is the risk of chronic health effects from air toxics after the installation of MACT |
| Resin | Any of a class of solid or semi-solid organic products of natural or synthetic origin, generally of high molecular weight with no definite melting point. Most resins are polymers |
| RFG | reformulated gasoline |
| RFP | requests for proposals |
| RH | relative humidity |
| RME | Rape Seed Rape seed Methyl Ester |
| RMP | Risk Management Program by EPA for the protection of the surrounding population. |
| RMS | Reaction Mix Sampling (e.g. in FCC units) |
| rouge | reaction of oxygen in water with a metal surface |
| ROW | right of way |
| RTK Net | Right-to-Know Network |
| RTO | real time optimization |
| RTOS | real-time operating system |
| RWO | refinery-wide optimization |
| SAB | EPA Science Advisory Board |
| SAGD | Steam-Assisted Gravity Drainage |
| SAMMS | self assembled monolayers on mesoporous support |
| SAN | copolymer resins of styrene and acrylonitrile |
| SB | Styrene - butadiene |
| SBA | Secondary butyl alcohol |
| SBC | Styrene Butadiene copolymer |
| SCADA | Supervisory Control and Data Acquisition Systems |
| SCC | stress-corrosion cracking |
| SCM | supply chain management |
| SCR | selective catalytic reduction of catalyst |
| SDCFM | standard dry cubic feet of air per minute |
| SEC | U.S. Securities and Exchange Commission |
| SFIP | Sector Facility Indexing Project |
| SHE | safety, health and the environment |
| SI | metric system |
| SIL | safety integrity level |
| SIP | steam-in-place |
| SIS | safety instrumented instruments |
| SLP | Supported Liquid Phase catalyst. |
| SM | Styrene monomer |
| SMAH | Styrene - maleic anhydride |
| SNC | Significant Noncompliance |
| SNCR | selective noncatalytic reduction |
| Solvent | A liquid that is capable of dissolving another substance is called a solvent |
| SPC | statistical process control |
| SPCC | Spill Prevention Control and Countermeasure: rules for tanks with combustibles over 1500 gallons |
| SPME | liquid phase micro-extraction |
| SPR | Strategic Petroleum Reserve |
| SQC/SPC | statistical quality/process control |
| SRM | standard reference material --National Bureau of Standards |
| SRM&QA | Safety, Reliability, Maintainability and Quality Assurance |
| SS | spread sheet, stainless steel |
| SSM | startup, shutdown and malfunction |
| STAPPA | State and Territorial Air Pollution Program Administrators |
| STEL | short-term exposure level |
| STEP | Standard for Exchange of Product Model Data (e.g. data mining) |
| Surfactant | surface-active agent: can be detergents, wetting agents and emulsifiers |
| sustainability | provides a framework for integrating environmental, social and economic interests into effective business strategies |
| SV | Significant Violator (in AIRS) |
| SV/T&A Policy | Significant Violator/Timely and Appropriate Policy (under CAA) |
| SVR | solvent vapor recovery |
| SW | Seawater |
| Syngas | synthesis gas: gas mixtures that are produced by reacting steam, or steam and oxygen, with a heated carbon-containing material such as natural gas, heavy petroleum oil, coal or coke; consists mainly of hydrogen and carbon monoxide |
| TAED | perborate activator for detergents |
| TAEE | tert- amyl ethyl ether- to blend into gasoline |
| TAN | measure of crude acidity |
| TBA | tertiary Butyl Alcohol |
| TBHQ | mono-tertiary butyl hydroquinone as antioxidant |
| TCA | trichloroethane |
| TCE | trichloroethylene |
| TCLP | Toxicity Characteristic Leaching Procedure to determine whether a sample is a hazardous waste |
| TDP | Toluene disproportionation |
| Thermocompressors | jet ejectors used for boosting pressure of a steam flow to a usable level |
| Thermoforming | The process of heating a thermoplastic sheet to a working temperature and then forming it into a finished shape by means of heat or pressure. |
| Thermoplastic | plastic which is solid when cold, but which may flow and be re-formed with the application of heat. |
| Thermoset | polymer that solidifies when heated, i.e. it sets and cannot be changed; some polymers behave like this because the heating process causes the chains of the polymer to bind to each other, via cross-links, and these cannot then be broken |
| THF | Tetrahydrofuran |
| TMDL | Total Maximum Daily Load |
| TOX | Toxic Gases: Hydrogen sulfide, hydrogen selenide, ammonia, hydrogen cyanide, fail-safe emergency release systems. |
| TPA | Polyamide thermoplastic elastomer |
| TPC | Copolyester thermoplastic elastomer |
| TPE | thermoplastic elastomers: styrenics, etc. |
| TPO | Olefinic thermoplastic elastomer |
| TPS | Styrenic thermoplastic elastomer |
| TPU | Urethane thermoplastic elastomer |
| TPV | Thermoplastic rubber vulcanisate |
| TPV | third party |
| TPZ | Unclassified thermoplastic elastomer, not grouped above |
| transmix | interface byproduct from sending different products via one pipeline |
| trenchless technology | plastic pipe is snaked thru old metal pipelines due to be replaced |
| TRI | Toxics Release Inventory |
| tribology | Lubrication, Friction and Wear |
| TS/D | Technical Service and Development |
| TSD | total station device to measure distances |
| TSP | Trisodium Phosphate |
| U2A process | urea-to-ammonia |
| UFC | Urea formaldehyde precondensate |
| ULSD | ultra low sulfur diesel |
| UP | Unsaturated polyester |
| UPW | water? |
| USP | underground steel pipe |
| VACTOR | Vacuum Excavation |
| VAE | vinyl acetate-ethylene copolymer emulsion |
| VCE | vapor cloud explosion |
| VFD | Variable Frequency Drives: motors |
| Vis | Viscosity |
| vitrification | Point at which a system becomes a glassy solid, and its molecules become immobilized |
| VJP | Vacuum Jacketed Pipe |
| VLE | vapor liquid equilibria |
| VLOM | village level operation and maintenance |
| VLT | AC frequency converters for variable speed control of electric motors |
| VMI | vendor-managed inventory |
| VOC | volatile organic compound |
| votator | scrapped surface heat exchanger |
| VSA | vacuum swing adsorption |
| WASA | wax antisettlement agent |
| WCPM | world class project management |
| WESA | Windows-based External Surface Area Analyzer |
| Wobbe Index | Gross Heating Value / (Square root of Specific Gravity) |
| WTI | West Texas intermediate crude oil used as reference for prices |
| 0 | glossary of pump terms |
| 0 | compressed air |
| 0 | acronyms common to instrumentation |
| 0 | fluid flow and pump calculations |
| 0 | compressed air |
| 0 | pump and seal terms glossary |
| 0 | Instrumentation and Control |
| 0 | elemental analysis spectrum glossary |
| 0 | Automation Glossary |
| 0 | gas detection glossary |
| 0 | sampling |
| 0 | glass glossary |
| 0 | electric heaters glossary |
| 0 | filtering |
| 0 | a glossary of cooling tower definitions. |
| 0 | heat transfer glossary |
| 0 | glossary of heat transfer terms |
| 0 | Combustion |
| 0 | fired heaters, furnaces, combustion |
| 0 | Heat Exchanger Glossary |
| 0 | thermal systems including common abbreviations & acronyms |
| 0 | thermal glossary |
| 0 | tank technology |
| 0 | hoses glossary |
| 0 | two phase Fluid Flow Glossary |
| 0 | aerosol optics terms |
| 0 | control valve glossary |
| 0 | valve and actuator glossary |
| 0 | boiler glossary |
| 0 | fluids flow glossary |
| 0 | Expansion Joints and Flexhose |
| 0 | Pipe |
| 0 | Glossary of Piping Terms |
| 0 | activated carbon terms |
| 0 | unit operations glossary |
| 0 | Boiler Water Glossary |
| 0 | pipeline related glossary |
| 0 | BFW and ultra pure water |
| 0 | hydraulics glossary |
| 0 | Top 20 "must-know" terms in control & automation |
| 0 | heavy oil glossary |
| 0 | Glossary of Petroleum Industry Common Terms & Symbols with emphasis in additives |
| 0 | asphalt |
| 0 | coal industry glossary |
| 0 | Energy Savers: Glossary |
| 0 | Glossary of Energy Terms |
| 0 | energy glossary in Italian |
| 0 | oil industry terms in spanish and english |
| 0 | Glossary of Lubrication Terms |
| 0 | grease and lube glossary |
| 0 | Oil Analysis and Lubrication Dictionary |
| 0 | Glossary for Refinery Processes |
| 0 | oil industry glossary |
| 0 | refinery acronyms and abbreviations |
| 0 | oil industry glossary |
| 0 | oil industry glossary |
| 0 | Inspection Penetrant Glossary |
| 0 | leak detection, gas monitoring, safety glossary |
| 0 | on Corrosion |
| 0 | Glossary of Corrosion Related Terms |
| 0 | packaging glossary |
| 0 | NDT Glossary |
| 0 | materials laboratory terms |
| 0 | project related terms |
| 0 | reliability & failure analysis of equipment |
| 0 | statistics glossary |
| 0 | Chemical Abstracts General Subject Vocabulary: Alphabetical Listing |
| 0 | math glossary |
| 0 | metallurgy |
| 0 | color |
| 0 | composites related glossary |
| 0 | plastics |
| 0 | chemical glossary |
| 0 | fluorocarbons related terms |
| 0 | chemistry and physics: laws and rules |
| 0 | metals glossary |
| 0 | Gases - Leak -Testing Glossary |
| 0 | steel glossary |
| 0 | cellulose, corn, starches and related terms |
| 0 | adsorbants glossary |
| 0 | Glossary of Chemical Terms |
| 0 | Metal Terminology |
| 0 | polymer clay dispersion |
| 0 | Polymer and Plastic Terms |
| 0 | glossary contains nearly 100 plastics-related terms |
| 0 | glossary of plastics-related terms |
| 0 | polymer processing glossary |
| 0 | glossary of terms in the polystyrene packaging industry |
| 0 | fertilizer glossary |
| 0 | linings glossary |
| 0 | coatings glossary |
| 0 | paints and coatings glossary |
| 0 | chemicals |
| 0 | Glossary of Metallurgical Terms |
| 0 | polyurethanes glossary |
| 0 | glossary of plastic recycling terms |
| 0 | glossary of polymer/plastic terms |
| 0 | polymer glossary |
| 0 | Chemical Engineering Materials glossary |
| 0 | oil refinery glossary |
| 0 | Chemical Safety Information - toxicology |
| 0 | glossary of terms related to the safety of chemicals. |
| 0 | abbreviations for environmental engineering |
| 0 | Environmental Glossary |
| 0 | glossary of the terms that are used whenever pollutants are discussed |
| 0 | MSDSs Terms and Abbreviations |
| 0 | air pollution glossary |
| 0 | hydrology glossary |
| 0 | Water Quality Glossary |
| 0 | Glossary of Selected Abbreviations and Acronyms |
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Last Updated on Aug 16,04