ZA202300644B - Device and method for treating acid wastewater from coal mines by using coal gangue - Google Patents

Device and method for treating acid wastewater from coal mines by using coal gangue

Info

Publication number
ZA202300644B
ZA202300644B ZA2023/00644A ZA202300644A ZA202300644B ZA 202300644 B ZA202300644 B ZA 202300644B ZA 2023/00644 A ZA2023/00644 A ZA 2023/00644A ZA 202300644 A ZA202300644 A ZA 202300644A ZA 202300644 B ZA202300644 B ZA 202300644B
Authority
ZA
South Africa
Prior art keywords
coal
acid wastewater
treating acid
mines
gangue
Prior art date
Application number
ZA2023/00644A
Inventor
Ruimin Yang
Zhenning Zhang
tenglong Zheng
Xiying Cheng
Original Assignee
Univ Anhui Science & Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Anhui Science & Tech filed Critical Univ Anhui Science & Tech
Publication of ZA202300644B publication Critical patent/ZA202300644B/en

Links

Classifications

    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
ZA2023/00644A 2022-07-06 2023-01-16 Device and method for treating acid wastewater from coal mines by using coal gangue ZA202300644B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210787524.4A CN115140819B (en) 2022-07-06 2022-07-06 Device and method for treating coal mine acidic wastewater by utilizing coal gangue

Publications (1)

Publication Number Publication Date
ZA202300644B true ZA202300644B (en) 2023-02-22

Family

ID=83412805

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2023/00644A ZA202300644B (en) 2022-07-06 2023-01-16 Device and method for treating acid wastewater from coal mines by using coal gangue

Country Status (2)

Country Link
CN (1) CN115140819B (en)
ZA (1) ZA202300644B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102170B (en) * 2023-04-12 2023-06-20 四川省阳子森环保设备有限公司 Multistage brewing wastewater denitrification treatment method

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ATE226177T1 (en) * 1998-09-17 2002-11-15 Stag Ag METHOD AND DEVICE FOR DISSOLVING SOLIDIZED BULK IN A SILO
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DE102004033173A1 (en) * 2004-07-06 2006-02-02 Veit, Michael, Prof. Dr. rer. nat. Neutralizing, sanitizing and revitalizing bodies of water damaged by mining, using mechanically activated volcanic rock particles, effective e.g. in increasing and buffering pH and reducing heavy metal content
US8834725B2 (en) * 2011-01-31 2014-09-16 Chevron U.S.A. Inc. Method for treating acid mine drainage
CN103466842B (en) * 2013-09-27 2014-08-06 中国矿业大学 Acid mine water treatment method
CN203620524U (en) * 2013-12-04 2014-06-04 天津开发区合普工贸有限公司 Quantitative propelled cutting type caked solid dust dispersing device
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CN111252999A (en) * 2019-12-17 2020-06-09 安徽科技学院 Device and method for treating coal mine acidic wastewater by using coal gangue
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CN112978895A (en) * 2021-04-15 2021-06-18 四川大学 System and method for intermittently treating acid mine wastewater
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Also Published As

Publication number Publication date
CN115140819A (en) 2022-10-04
CN115140819B (en) 2024-04-16

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