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Kinetics of Struvite Precipitation: Effect of the Magnesium Dose on Induction Times and Precipitation Rates [PDF]
Environmental Technology (United Kingdom), 2007 The presence of white deposits in specific areas of wastewater treatment plants is generally the consequence of the spontaneous formation of a mineral called struvite. Struvite forms when the levels of phosphate, ammonium and magnesium naturally available in wastewater effluents reach a minimum molar ratio 1:1:1 under specific conditions of pH ...
Eugenia Valsami-Jones, Simon A Parsons
exaly +8 more sources
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Co-Precipitation of Cu and Zn in Precipitation of Struvite
Science of the Total Environment, 2021Struvite recovered from wastewater can be used as a slow-release fertilizer. Nevertheless, hazardous metals easily precipitated with struvite would increase the ecological risk for its agricultural use. In this study, the influence of individual and coexistence of Cu and Zn on the precipitation of struvite was investigated.
Zhe Li, Xingwen Lu, Yujie Wang
exaly +3 more sources
Co-Precipitation of Cd with Struvite During Phosphorus Recovery
Chemosphere, 2023During the struvite recovery process, Cd, a hazardous metal commonly found in waste streams, can be sequestered by struvite. This study investigated the influence of Cd2+ on the precipitation of struvite. Quantitative X-ray diffraction (QXRD) results showed that the purity of struvite decreased from 99.1% to 73.6% as Cd concentration increased from 1 ...
Xingwen Lu +4 more
openaire +2 more sources
Adsorption and Precipitation of Tetracycline with Struvite
Water Environment Research, 2007The interaction of tetracycline with struvite during adsorption and precipitation processes was investigated. Tetracycline removal by adsorption was affected by solution pH, contact time, and struvite concentration. The lowest tetracycline removal (8.4%) was observed at pH 7.7, the dissociation constant (pKa2) of tetracycline.
Basakcilardan-Kabakci, Sibel +3 more
openaire +6 more sources
Struvite Precipitation by Trypanosoma cruzi
The Journal of Parasitology, 1987It has been previously reported that some microorganisms in culture possess the capacity to generate exocellular mineral crystals. Some species of bacteria are able to produce crystals such as aragonite, calcite, apatite, stroncianite, and struvite (Greenfield, 1963, Annals of the New York Academy of Science 109: 23-45; Ennever et al., 1974, Journal of
F J, Adroher, A, Osuna
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Electrochemical Precipitation of Struvite
Electrochemical and Solid-State Letters, 2006Pure struvite (magnesium ammonium phosphate hexahydrate) layers were deposited by an electrochemical method, from an aqueous solution containing phosphate, ammonium, and magnesium ions. According to interracial pH measurements, it was shown that the process is governed by a strong pH increase in the vicinity of the cathodic plate, due to the ...
Ben Moussa, S. +3 more
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Effect of Humic Substances on Phosphorus Removal by Struvite Precipitation
Chemosphere, 2015Humic substances (HS) are a major fraction of dissolved organic matters in wastewater. The effect of HS on phosphorus removal by struvite precipitation was investigated using synthetic wastewater under different initial pH values, Mg/P molar ratios and HS concentrations.
Zhen Zhou, LuMan Jiang, Yuzeng Zhao
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