| A/O | anoxio/oxic |
| A2/O or A/A/O | anaerobic/Anoxio/Oxic |
| AA | active AI2O3 |
| A-A-O | biological nitrogen and phosphorus removal process |
| AB | adsorpti on biodegradation |
| ABF | activated bio-filter |
| AC | active carbon |
| AF | an aerobic filter |
| ALK | alkali |
| A-O | A-O phosphorusremoval process |
| A-O | A-O nitrogen removal process |
| BFD | block flow diagram |
| BG | backside grinding |
| BHT | butylated Hydroxytolue ne |
| BMTS | BMTS intrachannel clarifier oxidation ditch |
| BOD | biological oxygen demand |
| CAS | conventional activated sludge |
| CASB | upflow an aerobic sludge blanket |
| CASP | cyclic activated sludge process |
| CFS | continuous flow system |
| CMP | chemical mechanical polisher |
| COD | chemical oxygen demand |
| CPVC | chlorinated polyvinyl chloride |
| CWT | compact wastewater treatment system |
| DAT-IAT | demand aeration Tank-Intermittent |
| DB/GW | backside grounding water |
| DCHF | concentrate hydrofluorice acid |
| DCMP-clean | chemical mechanical polish clean water |
| DCP | data concentration panel |
| DDHF | dilute hydrofluoric acid |
| DF-FAB | floor drain in FAB |
| DFRW-Cu | first rinse water in copper line |
| DG | degasifler |
| DH2 SO4 | sulphric acid drain |
| DH2SO4-Cu | Cu line sulphuric acid drain |
| DH3PO4 | phosphoric acid drain |
| DI | polyvinyl chloride |
| DI | deionization |
| DLRW | last rinse water |
| DO | dissoved oxygen |
| DS | dissolved solid |
| DW | domestic water |
| DWF | dry-weather flow |
| DWW | domestic warm water |
| DWW A-Photo | acid/caustic waste water drain piping in photo area |
| DWWA | acid/caustic waste water drain piping |
| ED | electrodislysis |
| EEW | emergency eye washer |
| EGSB | expanded granular sludge bed |
| ELCB | earth leakage circuit breaker |
| ETP | Effluent Treatment Plant |
| FA | fluoride absorber |
| FeCl3 | ferric chloride |
| FI | F index |
| FM | food/microorganism |
| FS | fixed solid |
| gmd | gallons per day |
| gpm | gallons per min |
| H2O2 | hydrogen peroxide |
| H2SO4 | sulfuric acid |
| H3PO4 | phosphoric acid |
| HCL | hydrochloric acid |
| HEPA | high efficiency particulate air filter |
| HF | hydrofluoric acid |
| HGMS | high grade magnegic separator |
| HNO3 | nitric acid |
| HRT | Hydraulic Retention Time |
| ICEAS | intermittent cyelie extended sludge |
| IPA | Instalasi Pengolahan Air |
| IPF | Inorganic polymer flocculent |
| IT | imhoff tank |
| IWWS | industrial waste water system |
| JTU | jacks on turbidity units |
| KLD | Kilo Liters per Day |
| LCU | local control unit |
| LSC | local solvent collection cabinet |
| MB | lit mixte |
| MBBR | Moving bed biofilm reactor technology |
| MBR | membrane bioreactor |
| MCC | motor control center |
| MCP | main control panel |
| MDG | membrane degasifier |
| MEE | multiple effect evaporation |
| MF | micro-porous filtration |
| MLSS | mixed liquor suspended solid |
| MLVSS | mixed liquor volatile suspended solid |
| MMF | multi media filter |
| MOC | Material Of Construction |
| MPN | most probable number |
| MSBR | modified sequencing bath reactor |
| MSDS | material safety data sheet |
| MTS | manual transfer switch |
| MVR | mechanical vapor re-compression |
| MW | middle water |
| NF | Nanomerer filtration |
| NH4OH | ammonia (liquid) |
| NTU | nephelometric turbidity units |
| O&M | operation and maintenance |
| OC | oxygen consumed |
| OF | overland flow system |
| OP | laqoon / Oxidation Pond |
| OPF | organic polymer flocculent |
| ORP | oxygen reduction flocculent |
| P&ID | piping & Instrument diagram |
| PAC | poly alumina chlorine |
| PAH | poly aluminum hydrocarbon |
| PAM | polyaerylamide (Polymer) |
| PDS | process drain system |
| PE | polyethylene |
| PFD | process flow diagram |
| PFS | poly ferric sulfate |
| PLC | programmable logic controler |
| PP | polypropylene |
| PPE | personal protection equipment |
| PTFE | polytetrafluorethylene |
| PVC | Polyvinyl chloride |
| PVDF | polyvinylidene fluoride |
| PW | process water |
| RAS | returned sludge |
| RDF | refuse derived fuel |
| RI | rapid infiltration system |
| RO | osmose inverse |
| RO CONC. | concentration water RO |
| RO PERMEATE | RO permeate water |
| RS | return sludge |
| RSSS | return sludge suspended solid |
| RSV | return sludge volune |
| RWRS | rain water reuse system |
| SAS | surplus activated sludge |
| SBR | sequencing batch reactor activated sludge system |
| SBR | sequeneing batch reactor |
| SC | strong cation |
| SCADA | supervisory control and data acquisition |
| SDI | silt density index |
| SDI | sludge density index |
| SF | filtre à sable |
| SOP | standard operation procedure |
| SR | slow rate infiltration system |
| SRT | solids/sludge retention time |
| SS | suspend solid |
| SV | setting velocity |
| SVI | sludge volume index |
| TCM | total chemical management |
| TN | total nitrogen |
| TNT | trinitrotoluene |
| TOC | total organix carbon |
| TOC-UV | TOC ultravoilate desinfector |
| TOD | total oxygen demand |
| TP | total phosphorue |
| TPM | total productive maintenance |
| TUB | turbidity |
| UBF | upflow biofilter |
| UF | ultrafilter |
| UID | utility & instrumenttation drawings |
| UPS | uninterrupted power supply |
| UV | ultraviolate desinfector |
| VFA | volatile fatty acid |
| VMB | valve manifold box |
| VS | volatile solid |
| VSS | volatile suspend solid |
| WA/SA | weak anion/ strong anion |
| WAS | waste activated sludge |
| WC | weak cation |
| WTP | waste water plant |
| WWTP | station d'épuration des eaux usées |
| ZLD | Zero Liquid Discharge |
| DMA | district metering area |
06/06/2025
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