一种铁基次生矿物介导的生物芬顿反应对废水中络合态铬氧化去除与重金属毒性抑制的方法及应用
By using iron-based secondary minerals to mediate the bio-Fenton reaction and utilizing facultative anaerobic dissimilar iron-reducing bacteria for cyclic treatment under anaerobic and aerobic conditions, the deep oxidation of complexed chromium and the inhibition of hexavalent chromium toxicity in industrial wastewater were solved, achieving efficient and economical wastewater treatment.
CN122010314BActive Publication Date: 2026-07-17ZHILAN ECOLOGICAL ENVIRONMENT CONSTR CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHILAN ECOLOGICAL ENVIRONMENT CONSTR CO LTD
- Filing Date
- 2026-04-13
- Publication Date
- 2026-07-17
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Figure CN122010314B_ABST
Abstract
本发明公开了一种铁基次生矿物介导的生物芬顿反应对废水中络合态铬氧化去除与重金属毒性抑制的方法及应用。方法通过气氛调控生物 / 矿物作用诱导芬顿反应发生，实现络合态铬氧化降解与重金属毒性抑制。步骤包括兼氧型异化铁还原菌与铁基次生矿物在厌氧下将铁还原；随后曝气，利用积累的二价铁与氧气引发芬顿反应以氧化有机络合剂实现破络；转换至厌氧状态，将过度氧化产生的Cr(VI)还原；循环执行好氧 / 厌氧操作直至废水达标。该方法通过单一反应器实现络合态铬废水深度处理，具有工艺简单、材料易得、运行成本低优势。
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