Question
Describe the steps involved in the primary and secondary treatment of sewage water in order to make it suitable for drinking purposes.
Answer :
Word Count : 208
The primary treatment of sewage water involves the physical removal of large solids and suspended particles. Initially, sewage water is passed through screens to remove large debris such as sticks, plastics, and leaves. Then, it flows into a grit chamber where sand, gravel, and small stones settle at the bottom due to ________ _____ ___ _________ ______ _____ _________ ________ ________.
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The primary treatment of sewage water involves the physical removal of large solids and suspended particles. Initially, sewage water is passed through screens to remove large debris such as sticks, plastics, and leaves. Then, it flows into a grit chamber where sand, gravel, and small stones settle at the bottom due to ________ _____ ___ _________ ______ _____ _________ ________ ________.
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