| Removal of struvite to prevent problems associated with its accumulation in wastewater treatment works. | |
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MedLine Citation:
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PMID: 15523789 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Deposition of struvite within the infrastructure of wastewater treatment works can cause significant operating difficulties. A laboratory-scale, two-stage, continuously stirred tank reactor was developed to remove struvite to prevent problems associated with its deposition. Before any experimental work was conducted, the mixing regime within the system was determined using a pH-tracer response method. Perfect mixing conditions were achieved once the stirring speed reached 500 rpm. Experiments were conducted examining the effects of various process parameters such as retention time, pH, recycling rate, and ammonium concentration. By increasing the hydraulic retention time, the residual magnesium concentration decreased, with the optimum conditions occurring at 125 minutes. |
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Authors:
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I Stratful; M D Scrimshaw; J N Lester |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Water environment research : a research publication of the Water Environment Federation Volume: 76 ISSN: 1061-4303 ISO Abbreviation: Water Environ. Res. Publication Date: 2004 Sep-Oct |
Date Detail:
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Created Date: 2004-11-04 Completed Date: 2005-01-07 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9886167 Medline TA: Water Environ Res Country: United States |
Other Details:
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Languages: eng Pagination: 437-43 Citation Subset: IM |
Affiliation:
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Environmental Processes and Water Technology Group, Department of Environmental Science and Technology, Imperial College, London, United Kingdom. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Corrosion Equipment Failure Magnesium / chemistry Magnesium Compounds / chemistry, isolation & purification* Particle Size Phosphates / chemistry, isolation & purification* Waste Disposal, Fluid / methods* Water Movements |
| Chemical | |
Reg. No./Substance:
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0/Magnesium Compounds; 0/Phosphates; 15490-91-2/struvite; 7439-95-4/Magnesium |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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