Production of a Sulfate-based Complex Coagulant from Boiler Slag

文献类型: 外文期刊

第一作者: Li Jinping

作者: Li Jinping;Gan Jinhua

作者机构:

关键词: Boiler slag;Sintering;Leaching;Complex coagulant

期刊名称:2010 CONFERENCE ON ENERGY STRATEGY AND TECHNOLOGY (CEST 2010)

ISSN:

年卷期: 2010 年

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收录情况: SCI

摘要: Boiler slag derived from coal combustion plants was explored as the experimental material for recycling aluminum and iron for the production of a sulfate-based complex coagulant containing ferric sulfate and aluminum sulfate. The boiler slag sample was determined for more complete characterization by means of scanning electron microscopy (SEM), X-ray fluorescence (XRF) and other techniques. This boiler slag was evaluated to determine the efficiency of converting the iron and aluminum components of the material into a sulfate-based complex coagulant. The maximum concentrations of Fe3+ and Al3+ in the complex coagulant prepared from the boiler slag were obtained at 130 r and after 3 h of reaction time. The corresponding conversion efficiencies of aluminum and iron were 66.2 and 95.0% in the boiler slag, respectively.

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