PHOSPHORUS REMOVAL TECHNIQUES IN POULTRY WASTEWATER
Author: Rowe, Vernon D.
Source: Proceedings of the Water Environment Federation, WEFTEC 2001: Session 41 through Session 50 , pp. 26-30(5)
Publisher: Water Environment Federation
Abstract:All poultry processing plants generate raw wastewater with relatively high phosphorus levels. Phosphorus reaches the wastewater stream as a result of: <list list-type="bullet"> <list-item>Release from the meat being processed</list-item> <list-item>Use of trisodium phosphate for bird washing</list-item> <list-item>Use of phosphorus containing marinates</list-item> <list-item>Use of phosphate based sanitation chemicals</list-item> </list>The techniques used for the removal of phosphorus from poultry processing wastewater cover the full range of typical techniques used throughout the wastewater industry. These include: <list list-type="bullet"> <list-item>Source reduction through the use of alternative chemicals and marinates</list-item> <list-item>Chemical coagulation during pretreatment</list-item> <list-item>Biological nutrient removal during biological treatment</list-item> <list-item>Chemical coagulation during final clarification and polishing</list-item> </list>Currently, few plants have permits with phosphorus limitations. There is no particular technique that dominates the facilities that are required to remove phosphorus. This is due to the fact that each facility has to be evaluated based on the specific situation that exists as relates to: <list list-type="bullet"> <list-item>Existing facility capabilities</list-item> <list-item>Treatment requirements</list-item> <list-item>Sludge handling capabilities</list-item> <list-item>Other site specific considerations</list-item> </list>
Document Type: Research article
Publication date: 2001-01-01
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