Rapid sand filtration treatment includes processes such as coagulation, rapid mixing, flocculation, sedimentation, and filtration. Filter cleaning or backwashing is an operational maintenance procedure performed when the filter becomes clogged, rather than a routine treatment step applied directly to incoming water.
Following are the steps in rapid sand filter except:
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Question context
This question is part of ⚗️ Biochemical Engineering within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.