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RU2005105862A - METHOD FOR PROCESSING WASTE SOLUTIONS CONTAINING SULFURIC ACID, NON-FERROUS METALS AND IRON (OPTIONS) - Google Patents

METHOD FOR PROCESSING WASTE SOLUTIONS CONTAINING SULFURIC ACID, NON-FERROUS METALS AND IRON (OPTIONS) Download PDF

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Publication number
RU2005105862A
RU2005105862A RU2005105862/15A RU2005105862A RU2005105862A RU 2005105862 A RU2005105862 A RU 2005105862A RU 2005105862/15 A RU2005105862/15 A RU 2005105862/15A RU 2005105862 A RU2005105862 A RU 2005105862A RU 2005105862 A RU2005105862 A RU 2005105862A
Authority
RU
Russia
Prior art keywords
ferrous metals
iron
sulfuric acid
solutions containing
containing sulfuric
Prior art date
Application number
RU2005105862/15A
Other languages
Russian (ru)
Other versions
RU2305661C2 (en
Inventor
Сергей Дмитриевич Ершов (RU)
Сергей Дмитриевич Ершов
бко Александр Георгиевич Р (RU)
Александр Георгиевич Рябко
Александр Николаевич Голов (RU)
Александр Николаевич Голов
Олег Александрович Хомченко (RU)
Олег Александрович Хомченко
Original Assignee
ОАО "Институт Гипроникель" (RU)
ОАО "Институт Гипроникель"
ОАО "Кольска ГМК" (RU)
ОАО "Кольская ГМК"
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 ОАО "Институт Гипроникель" (RU), ОАО "Институт Гипроникель", ОАО "Кольска ГМК" (RU), ОАО "Кольская ГМК" filed Critical ОАО "Институт Гипроникель" (RU)
Priority to RU2005105862/15A priority Critical patent/RU2305661C2/en
Publication of RU2005105862A publication Critical patent/RU2005105862A/en
Application granted granted Critical
Publication of RU2305661C2 publication Critical patent/RU2305661C2/en

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  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)

Claims (2)

1. Способ переработки отработанных растворов, содержащих серную кислоту, цветные металлы и железо, включающий введение щелочного нейтрализатора, например извести, при значении рН, обеспечивающем перевод цветных металлов в осадок, направляемый в дальнейшую переработку, отличающийся тем, что процесс нейтрализации осуществляют в три стадии при рН 1-2, рН 2,5-4 и рН 8-12 с отделением твердой фазы после первых двух стадий нейтрализации.1. A method of processing waste solutions containing sulfuric acid, non-ferrous metals and iron, including the introduction of an alkaline neutralizer, such as lime, at a pH value that ensures the conversion of non-ferrous metals into a precipitate, sent for further processing, characterized in that the neutralization process is carried out in three stages at pH 1-2, pH 2.5-4 and pH 8-12 with separation of the solid phase after the first two stages of neutralization. 2. Способ переработки отработанных растворов, содержащих серную кислоту, цветные металлы и железо, включающий введение щелочного нейтрализатора при значении рН, обеспечивающем перевод цветных металлов в осадок, направляемый в дальнейшую переработку, отличающийся тем, что процесс нейтрализации осуществляют в три стадии при рН 1-2, рН 2,5-4 и рН 8-12, подавая на две первые стадии в качестве нейтрализатора осадки очистных сооружений (технологический илы) с отделением осадка первых двух стадий.2. A method of processing waste solutions containing sulfuric acid, non-ferrous metals and iron, including the introduction of an alkaline catalyst at a pH value that ensures the transfer of non-ferrous metals to the precipitate, sent for further processing, characterized in that the neutralization process is carried out in three stages at pH 1- 2, pH 2.5-4 and pH 8-12, feeding the first two stages as a neutralizer of sludge from treatment plants (sludge) with the separation of sludge from the first two stages.
RU2005105862/15A 2005-03-02 2005-03-02 Method of processing used solutions containing sulfuric acid, nonferrous metals and iron (versions) RU2305661C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2005105862/15A RU2305661C2 (en) 2005-03-02 2005-03-02 Method of processing used solutions containing sulfuric acid, nonferrous metals and iron (versions)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2005105862/15A RU2305661C2 (en) 2005-03-02 2005-03-02 Method of processing used solutions containing sulfuric acid, nonferrous metals and iron (versions)

Publications (2)

Publication Number Publication Date
RU2005105862A true RU2005105862A (en) 2006-08-10
RU2305661C2 RU2305661C2 (en) 2007-09-10

Family

ID=37059334

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005105862/15A RU2305661C2 (en) 2005-03-02 2005-03-02 Method of processing used solutions containing sulfuric acid, nonferrous metals and iron (versions)

Country Status (1)

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RU (1) RU2305661C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2438998C1 (en) * 2010-04-22 2012-01-10 Государственное образовательное учреждение высшего профессионального образования "Уфимский государственный нефтяной технический университет" Method of neutralising acid sulphate-containing effluents and device to this end
RU2434953C1 (en) * 2010-06-21 2011-11-27 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" Method of processing gold-containing sulphide concentrates (versions)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1330200A1 (en) * 1986-01-07 1987-08-15 Всесоюзный научно-исследовательский горно-металлургический институт цветных металлов Method of purifying sulphate zinc solutions from admixtures
EP0457988A1 (en) * 1990-05-25 1991-11-27 Engelhard Corporation Removal of heavy metals from aqueous systems
RU2105728C1 (en) * 1994-05-10 1998-02-27 Сибирский металлургический институт им.С.Орджоникидзе Method of treating waste waters to remove zinc
RU2108301C1 (en) * 1996-08-07 1998-04-10 Акционерное общество "Уральский научно-исследовательский и проектный институт галургии" Method of removing heavy metal ions from acidic waste waters
RU2207324C2 (en) * 2001-06-18 2003-06-27 Курский государственный технический университет Two-step method for neutralizing waste waters

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Publication number Publication date
RU2305661C2 (en) 2007-09-10

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Effective date: 20100303