| ASP | Activated Sludge Process |
| bEPS | Bound Extracellular Polymeric Substances |
| BAP | Biomass Associated Products |
| BPC | Bio-Polymeric Clusters |
| BSA | Bovine Serum Albumin |
| COD | Chemical Oxygen Demand |
| DO | Dissolved Oxygen |
| EPS | Extracellular Polymeric Substances |
| F/M | Food to Microorganisms |
| FTIR | Fourier Transform Infra-Red |
| HF | Hollow Fibre |
| HPSEC | High-Performance Size Exclusion Chromatography |
| HRT | Hydraulic Residence Time |
| lb-EPS | Loosely Bound Extracellular Polymeric Substances |
| LC-OCND | Liquid Chromatography-Organic Carbon and Nitrogen Detector |
| MATH | Microbial Adhesion To Hydrocarbons |
| MBR | Membrane Bio-Reactor |
| MLSS | Mixed Liquor Suspended Solids |
| MW | Molecular Weight |
| NMR | Nuclear Magnetic Resonance |
| NOM | Natural Organic Matter |
| OTE | Oxygen Transfer Efficiency |
| PSA | Particle Size Analysis |
| PSD | Particle Size Distribution |
| RO | Reverse Osmosis |
| SEM | Scanning Electron Microscopy |
| sEPS | Soluble Extracellular Polymeric Substances |
| SMP | Soluble Microbial Products |
| SS | Suspended Solids |
| SRT | Solids Retention Time |
| tb-EPS | Tightly bound Extracellular Polymeric Substances |
| TEP | Transparent Exopolymer Particles |
| TMP | Trans-Membrane Pressure |
| TOC | Total Organic Carbon |
| UAP | Utilization Associated Products |