RU2009109017A - METHOD FOR PROCESSING Sludge from galvanic plants - Google Patents

METHOD FOR PROCESSING Sludge from galvanic plants Download PDF

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Publication number
RU2009109017A
RU2009109017A RU2009109017/02A RU2009109017A RU2009109017A RU 2009109017 A RU2009109017 A RU 2009109017A RU 2009109017/02 A RU2009109017/02 A RU 2009109017/02A RU 2009109017 A RU2009109017 A RU 2009109017A RU 2009109017 A RU2009109017 A RU 2009109017A
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RU
Russia
Prior art keywords
carried out
solution
grinding
heat treatment
galvanic
Prior art date
Application number
RU2009109017/02A
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Russian (ru)
Other versions
RU2404270C1 (en
Inventor
Юрий Константинович Рубанов (RU)
Юрий Константинович Рубанов
Анатолий Алексеевич Слюсарь (RU)
Анатолий Алексеевич Слюсарь
Юлия Егоровна Токач (RU)
Юлия Егоровна Токач
Александр Федорович Нечаев (RU)
Александр Федорович Нечаев
Татьяна Витальевна Адонина (RU)
Татьяна Витальевна Адонина
Original Assignee
Государственное образовательное учреждение высшего профессионального образования "Белгородский государственный технологический уни
Государственное образовательное учреждение высшего профессионального образования "Белгородский государственный технологический университет им. В.Г. Шухова" (БГТУ им. В.Г. Шухова)
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Application filed by Государственное образовательное учреждение высшего профессионального образования "Белгородский государственный технологический уни, Государственное образовательное учреждение высшего профессионального образования "Белгородский государственный технологический университет им. В.Г. Шухова" (БГТУ им. В.Г. Шухова) filed Critical Государственное образовательное учреждение высшего профессионального образования "Белгородский государственный технологический уни
Priority to RU2009109017A priority Critical patent/RU2404270C1/en
Publication of RU2009109017A publication Critical patent/RU2009109017A/en
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Publication of RU2404270C1 publication Critical patent/RU2404270C1/en

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    • 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

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  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Sludge (AREA)

Abstract

Способ утилизации гальванического шлама, включающий стадии смешения с добавками, измельчения, термообработки, выщелачивания, фильтрации и выделения из раствора цветных металлов, отличающийся тем, что стадию смешения проводят методом механохимической активации путем измельчения с добавлением хлорид- или сульфат-ионов в соотношении Cl-(SO4 2-):ΣMen+=менее 1:1, термическую обработку проводят при температуре 550-600°C, а последующее выщелачивание полученного спека осуществляют кислой сточной водой собственного гальванического производства при pH≤3, раствор отделяют от осадка, и извлечение цветных металлов из полученного раствора производят флотацией при pH 8-12. A method for disposing of galvanic sludge, including the stages of mixing with additives, grinding, heat treatment, leaching, filtration and separation from a solution of non-ferrous metals, characterized in that the stage of mixing is carried out by the method of mechanochemical activation by grinding with the addition of chloride or sulfate ions in the ratio Cl- ( SO4 2 -): ΣMen + = less than 1: 1, heat treatment is carried out at a temperature of 550-600 ° C, and the subsequent leaching of the resulting cake is carried out with acidic waste water of our own galvanic production at pH≤3, the solution is separated from the sediment, and the extraction of non-ferrous metals from the resulting solution is produced by flotation at pH 8-12.

Claims (1)

Способ утилизации гальванического шлама, включающий стадии смешения с добавками, измельчения, термообработки, выщелачивания, фильтрации и выделения из раствора цветных металлов, отличающийся тем, что стадию смешения проводят методом механохимической активации путем измельчения с добавлением хлорид- или сульфат-ионов в соотношении Cl-(SO4 2-):ΣMen+=менее 1:1, термическую обработку проводят при температуре 550-600°C, а последующее выщелачивание полученного спека осуществляют кислой сточной водой собственного гальванического производства при pH≤3, раствор отделяют от осадка, и извлечение цветных металлов из полученного раствора производят флотацией при pH 8-12. A method for utilization of galvanic sludge, including the stages of mixing with additives, grinding, heat treatment, leaching, filtration and separation from a solution of non-ferrous metals, characterized in that the mixing stage is carried out by mechanochemical activation by grinding with the addition of chloride or sulfate ions in the ratio Cl - ( SO 4 2- ): ΣMe n + = less than 1: 1, the heat treatment is carried out at a temperature of 550-600 ° C, and the subsequent leaching of the obtained cake is carried out using acidic wastewater of our own galvanic production at p H≤3, the solution is separated from the precipitate, and the extraction of non-ferrous metals from the resulting solution is carried out by flotation at a pH of 8-12.
RU2009109017A 2009-03-11 2009-03-11 Processing method of slurries of galvanic productions RU2404270C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2009109017A RU2404270C1 (en) 2009-03-11 2009-03-11 Processing method of slurries of galvanic productions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2009109017A RU2404270C1 (en) 2009-03-11 2009-03-11 Processing method of slurries of galvanic productions

Publications (2)

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RU2009109017A true RU2009109017A (en) 2010-09-20
RU2404270C1 RU2404270C1 (en) 2010-11-20

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RU2009109017A RU2404270C1 (en) 2009-03-11 2009-03-11 Processing method of slurries of galvanic productions

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113145304A (en) * 2021-04-26 2021-07-23 昆明理工大学 Method for recovering copper, nickel, zinc, iron and chromium by combining in-situ reduction, vulcanization, floatation, magnetism and electricity of electroplating sludge

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2535110C1 (en) * 2013-05-07 2014-12-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тихоокеанский государственный университет" Copper galvanic sludge processing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113145304A (en) * 2021-04-26 2021-07-23 昆明理工大学 Method for recovering copper, nickel, zinc, iron and chromium by combining in-situ reduction, vulcanization, floatation, magnetism and electricity of electroplating sludge

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RU2404270C1 (en) 2010-11-20

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