IWE_SSR_15.1.19
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Characteristics of Industrial Wastewater
Fats, Oils and Grease:
o Fats are more stable and not easily decomposed by
bacteria
o Fats, oils and grease interfere with the biological
process, cause excessive foaming and results in
increased sludge volume
Surfactants:
o Large organic molecules that are slightly soluble in
water and cause foaming in treatment plant
Samia Syeoti Ramim
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