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A platform for research: civil engineering, architecture and urbanism
Evaluation of High‐Rate Clarification for Wet‐Weather‐Only Treatment Facilities
High‐rate clarification (HRC) processes are well suited for enhanced primary treatment of wet‐weather flows in combined sewer systems. Suspended solids removal in excess of 75% of influent concentrations can be achieved consistently. Chemical oxygen demand and five‐day biochemical oxygendemand removal are better than 60%. However, although optimal treatment could be achieved in a matter of minutes when the units were started full, a delay of up to one‐half hour was observed when the units werestarted empty. Operational strategies that minimize this effect need to be developedin full‐scale tests before HRC processes can be implemented with confidence in wet‐weather‐only facilities.
Evaluation of High‐Rate Clarification for Wet‐Weather‐Only Treatment Facilities
High‐rate clarification (HRC) processes are well suited for enhanced primary treatment of wet‐weather flows in combined sewer systems. Suspended solids removal in excess of 75% of influent concentrations can be achieved consistently. Chemical oxygen demand and five‐day biochemical oxygendemand removal are better than 60%. However, although optimal treatment could be achieved in a matter of minutes when the units were started full, a delay of up to one‐half hour was observed when the units werestarted empty. Operational strategies that minimize this effect need to be developedin full‐scale tests before HRC processes can be implemented with confidence in wet‐weather‐only facilities.
Evaluation of High‐Rate Clarification for Wet‐Weather‐Only Treatment Facilities
Jolis, Domènec (author) / Ahmad, Meei‐Lih (author)
Water Environment Research ; 76 ; 474-480
2004-09-01
7 pages
Article (Journal)
Electronic Resource
English
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