Glossary
water, corrosion, lime scale
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Glossary in water treatment applications

Glossary for frequently used technical terms and abbreviations for water treatment and process industries. For detailed information and explanation, please click on the abbreviation. If the answers and explanation in our glossary don't satisfy you, if you miss something in our glossary, please write and Email, we will be glad to answer and help you.

Abbreviation

Meaning

BOD

biological oxygen demand - water

CFU

colony forming units - microbiological growth

COC

cycle of concentration - cooling tower

COD

chemical oxygen demand - water

dH

German Hardness of water (deutsche Härte)

DO

dissolved oxygen -corrosion

Delta P or ΔP

difference in between 2 related pressures

Delta T or ΔT

difference in between 2 related temperatures

DM

demineralized water

ETP

effluent treatment plant - waste water

EvR

evaporation rate - cooling water

Fe2O3

Iron Oxid -rust

Fe3O4

Iron Oxid - magnetite

LSI

Langelier saturation index - cooling water

MIC

microbiological influenced corrosion

MPY

mils per year - corrosion

pH

value acid or basic tendency of a liquid - chemistry

PPM - PPB

parts per million - parts per billion

RO

reverse osmosis - water purification

ROI

return on investment - finance

RSI

Ryznar stability index - cooling water

SRB

sulfur reducing bacteria - microbiological growth

TBC

total bacteria count - microbiological growth

TDS

total dissolved solids - water

TSS

total suspended solids - water

UF

ultra filtration - water purification

 
Anomaly Water - or why an iceberg floats

 

 

Frequently used terms:

 

blow down

 

corrosion coupon

 

dead leg

 

electro smog

 

heat transfer

 

heat transfer coefficient

 

fouling factor

 

evaporation heat

 

green shipping