Harmless treatment method of heavy metal sludge

Harmless treatment method of heavy metal sludge

The invention discloses a harmless treatment method of heavy metal sludge, and belongs to the technical field of electroplating sludge treatment. The heavy metal sludge, the surfactant and the leaching agent are mixed and then placed in the biological forest filter for leaching reaction, so that the...

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Hauptverfasser: WU HUIRUI, LIN GUOLIANG, CAI WENCAI, CHEN SUJUAN, CHEN JIEYUN, LU XIUJUAN, LI XIANG, LIU BIHUA
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator WU HUIRUI
LIN GUOLIANG
CAI WENCAI
CHEN SUJUAN
CHEN JIEYUN
LU XIUJUAN
LI XIANG
LIU BIHUA
description The invention discloses a harmless treatment method of heavy metal sludge, and belongs to the technical field of electroplating sludge treatment. The heavy metal sludge, the surfactant and the leaching agent are mixed and then placed in the biological forest filter for leaching reaction, so that the colloid property of the heavy metal sludge can be improved, the dispersion of the leaching agent is promoted, the dispersion of acidithiobacillus acidophilus and a substrate is promoted, and the leaching efficiency is improved. The suspension property and the dispersity of the acidophilic thiobacillus and the substrate in the heavy metal sludge are improved, the oxidation utilization of elemental sulfur by the acidophilic thiobacillus is improved, and the oxidation utilization rate of the substrate is improved. 本发明公开了一种重金属污泥的无害化处理方法，属于电镀污泥处理技术领域。发明通过将重金属污泥、表面活性剂以及淋滤剂混合后再置于生物林滤池中进行淋滤反应，如此可以改善重金属污泥的胶体属性，有利于促进淋滤剂的分散，有利于嗜酸性硫杆菌和底物的分散，增大嗜酸性硫杆菌和底物在重金属污泥中的悬浮性和分散性，提高嗜酸性硫杆菌对硫单质的氧化利用，提高底物的氧化利用率。
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TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Harmless treatment method of heavy metal sludge
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