- AAF
- Activated Sludge
- Aerobic
- Alkalinity
- Alpha
- Ammonia-N
- Ammonification
- Anaerobic
- Anoxic
- Autotrophic Bacteria
- Backwash
- Bio-P
- BOD
- Cake Layer
- CBOD
- CIP
- COD
- Concentrate Return
- Critical Flux
- DBOOM
- Denitrification
- DO
- EBPR
- EPS
- Ferric Chloride
- Flux
- FOG
- Fouling
- GFD
- GPH
- GPM
- Grit
- Gross Flux
- Headloss
- Headworks
- Heterotroph
- HMI
- HRT
- I/O
- Influent
- LEED
- MBBR
- MBR
- MCC
- Membrane
- Membrane Life
- Membrane Module
- MGD
- Mixed Liquor
- MLSS
- MLVSS
- MMF
- Nanofilter
- Net Flux
- Nitrification
- Nitrobacter
- Nitrogen
- Nitrosonomas
- NTU
- O&M
- Organic Nitrogen
- Oxic
- P&ID
- PAO
- Permeability
- PHF
- PLC
- Process Train
- Q
- RO Membrane
- SCADA
- SCFM
- Seeding
- Sludge Yield
- SNdN
- Soluble Unbiodegradable TKN
- Spiral Wound Membrane
- SRT
- SSR
- Submerged Membrane
- Subsystem
- Surfactant
- Sustainable Flux
- TDS
- Theta
- TIN
- TKN
- TMP
- TN
- Treatability
- TS
- TSS
- Tubular Membrane
- Turbidity
- TVS
- UV
- VFD
- Viscocity
- VSS
- WAS
- Yield
- ZLD
HMI
Human Machine Interface. A panel mounted screen the operator obtains information from and controls the system.