Removal of metals and ammonia in constructed wetlands
Constructed wetlands have the potential to trap and remove metals contained in wastewater. Long-term removal is expected to occur by accumulation and burial in the plant detritus in a manner similar to the removal of phosphorus. A free water surface constructed wetlands has been in operation at the Sacramento Regional Wastewater Treatment Plant treating municipal secondary effluent since the spring of 1994. Data on removal of 13 metals and ammonia are presented for the operating period from July 1994 to December 1995. Significant removal of copper, lead, and zinc is indicated from preliminary results. Water quality profiles for copper, lead, nickel, and zinc are presented for a plug flow cell.
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Document Type: Research Article
Publication date: 1997-03-01
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Water Environment Research (WER) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year. Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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