Major Design Parameters Pretreatment

HSSF CWs require good mechanical pretreatment with suspended solids being the major target. Excessive suspended solids may cause filtration-bed clogging and subsequent surface flow. Small systems for domestic sewage with low flows usually use a three-chamber septic tank. Pretreatment in systems designed for municipal sewage mostly comprise screens and Imhoff tank. When stormwater runoff is also treated (combined sewer system), a grit chamber is included (Figures 3 and 4). If wastewater contains oils and/or grease, the grease filter should be a part of the pretreatment. Various types of wastewater may require different types of pretreatment; for example, landfill leachate treatment systems usually include aerated lagoons, systems for the treatment of concentrated wastewaters from agricultural operations commonly include facultative lagoons.

Was this article helpful?

0 0
Oplan Termites

Oplan Termites

You Might Start Missing Your Termites After Kickin'em Out. After All, They Have Been Your Roommates For Quite A While. Enraged With How The Termites Have Eaten Up Your Antique Furniture? Can't Wait To Have Them Exterminated Completely From The Face Of The Earth? Fret Not. We Will Tell You How To Get Rid Of Them From Your House At Least. If Not From The Face The Earth.

Get My Free Ebook

Post a comment