CN113748091A - 一种去除酸性含砷废水中三价砷与五价砷的方法 - Google Patents

一种去除酸性含砷废水中三价砷与五价砷的方法 Download PDF

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CN113748091A
CN113748091A CN201980095504.7A CN201980095504A CN113748091A CN 113748091 A CN113748091 A CN 113748091A CN 201980095504 A CN201980095504 A CN 201980095504A CN 113748091 A CN113748091 A CN 113748091A
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arsenic
elemental sulfur
containing wastewater
pentavalent
trivalent
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CN113748091B (zh
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江峰
郭家华
洪耀武
林子超
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South China Normal University
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South China Normal University
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

本发明公开了一种去除酸性含砷废水中三价砷与五价砷的方法，其特征在于：使用嗜酸性单质硫还原菌快速同步去除酸性含砷废水中三价砷与五价砷，包括以下步骤：向单质硫还原生物反应器中加入含砷废水；含砷废水含三价砷和五价砷，含砷废水中添加有碳源；单质硫还原生物反应器中定植有嗜酸性单质硫还原菌群；嗜酸性单质硫还原菌利用有机碳把单质硫还原为硫化物，五价砷在具备砷还原能力的单质硫还原菌与硫化物的共同作用下还原为三价砷，三价砷与硫化物形成砷硫化合物沉淀，从而快速同步去除废水中的三价砷与五价砷。本发明中的方法工艺流程简单、成本经济、除砷效果好，实现了生物法快速同步去除酸性含砷废水中的五价砷和三价砷，使出水砷含量低于0.1mg/L，达到排放标准。

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PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201980095504.7A 2019-04-18 2019-04-18 一种去除酸性含砷废水中三价砷与五价砷的方法 Active CN113748091B (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115057538A (zh) * 2022-06-08 2022-09-16 中山大学 一种结合硫酸盐还原法和单质硫还原法的酸性矿山废水生物处理方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050030A (zh) * 2007-03-21 2007-10-10 李昕 一种复合功能菌处理危险废物砷废液的方法
US20110017663A1 (en) * 2009-07-21 2011-01-27 The Regents Of The University Of Michigan System and method for simultaneous biologically mediated removal of contaminants from contaminated water
CN103183452A (zh) * 2013-03-27 2013-07-03 华南师范大学 一种以单质硫为介质实现污泥减量的污水处理工艺
CN107162215A (zh) * 2017-06-13 2017-09-15 华定志 一种处理含砷废水的生化工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050030A (zh) * 2007-03-21 2007-10-10 李昕 一种复合功能菌处理危险废物砷废液的方法
US20110017663A1 (en) * 2009-07-21 2011-01-27 The Regents Of The University Of Michigan System and method for simultaneous biologically mediated removal of contaminants from contaminated water
CN103183452A (zh) * 2013-03-27 2013-07-03 华南师范大学 一种以单质硫为介质实现污泥减量的污水处理工艺
CN107162215A (zh) * 2017-06-13 2017-09-15 华定志 一种处理含砷废水的生化工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115057538A (zh) * 2022-06-08 2022-09-16 中山大学 一种结合硫酸盐还原法和单质硫还原法的酸性矿山废水生物处理方法

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