Florida Sewage Plant First to Remove Nutrients with Bacteria Alone — No Need for Costly Chemicals

by Chuck R. Burdick, (A.M.ASCE), Proj. Engr.; Glace & Radcliffe, Inc., Winter Park, Fla.,
Eugene E. Dallaire, Assoc. Editor; Civil Engineering Magazine, New York, NY 10017,

Serial Information: Civil Engineering—ASCE, 1978, Vol. 48, Issue 10, Pg. 51-58

Document Type: Feature article


Palmetto, Florida is now constructing the first advanced wastewater treatment plant in the U.S. to use the Bardenpho process. Unlike other AWT processes, this ingenious plant removes pohosphorus and nitrogen with bacteria alone — no need to add costly chemicals. Up till now, the high cost of nutrient removal has limited the number of plants to areas that have pressing algae and aquatic-plant growth problems — e.g., the Great Lakes, and certain stagnant bays. The Bardenpho process is not merely applicable to the building of new sewage plants. Existing activated sludge secondary treatment plants can be readily converted. South Africa is presently building a number of plants — or converting several existing plants — to the Bardenpho process. Among key process advantages: low cost way to remove N and P; no need to add chemicals to process; simpler to operate than conventional AWT plants; less sludge to treat and dispose of; a sludge suitable for putting on land.

Subject Headings: Chemical processes | Sewage | Wastewater treatment plants | Nutrients | Bacteria | Chemicals | Chemical treatment | Industrial wastes | Florida | United States | Great Lakes | South Africa | Africa

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