RU2011138823A - METHOD FOR SULFID-ALKALINE DRAINS DISCONTINUATION - Google Patents
METHOD FOR SULFID-ALKALINE DRAINS DISCONTINUATION Download PDFInfo
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- RU2011138823A RU2011138823A RU2011138823/05A RU2011138823A RU2011138823A RU 2011138823 A RU2011138823 A RU 2011138823A RU 2011138823/05 A RU2011138823/05 A RU 2011138823/05A RU 2011138823 A RU2011138823 A RU 2011138823A RU 2011138823 A RU2011138823 A RU 2011138823A
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- sulfide
- oxidation
- aqueous solution
- sulfides
- temperature
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Abstract
1. Способ обезвреживания сульфидно-щелочных стоков, включающий каталитическое окисление сульфидов пероксидом водорода при температуре, отличающийся тем, что сульфидно-щелочные стоки используют в виде их водного раствора и/или реакционную смесь охлаждают, процесс окисления осуществляют в две стадии: окисления сульфидов при температуре 10-90°С и доокисления остаточных сульфидов, с введением пероксида водорода на обе стадии.2. Способ по п.1, отличающийся тем, что в качестве катализатора используют водный раствор фосфонатного комплекса железа.3. Способ по п.1, отличающийся тем, что водный раствор сульфидно-щелочных стоков используют при объемном соотношении: сульфидно-щелочные стоки: вода, равном 1:1-15 и/или реакционную смесь охлаждают до температуры не превышающей 90°С.1. The method of neutralizing sulfide-alkaline effluents, including the catalytic oxidation of sulfides by hydrogen peroxide at a temperature, characterized in that the sulfide-alkaline effluents are used in the form of their aqueous solution and / or the reaction mixture is cooled, the oxidation process is carried out in two stages: oxidation of sulfides at a temperature 10-90 ° С and additional oxidation of residual sulfides, with the introduction of hydrogen peroxide at both stages. 2. The method according to claim 1, characterized in that an aqueous solution of a phosphonate complex of iron is used as a catalyst. The method according to claim 1, characterized in that the aqueous solution of sulfide-alkaline effluents is used with a volume ratio of: sulfide-alkaline effluents: water equal to 1: 1-15 and / or the reaction mixture is cooled to a temperature not exceeding 90 ° C.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2011138823/05A RU2587437C2 (en) | 2011-09-21 | 2011-09-21 | Method for neutralisation of sulphide-alkali sewage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2011138823/05A RU2587437C2 (en) | 2011-09-21 | 2011-09-21 | Method for neutralisation of sulphide-alkali sewage |
Publications (2)
Publication Number | Publication Date |
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RU2011138823A true RU2011138823A (en) | 2013-03-27 |
RU2587437C2 RU2587437C2 (en) | 2016-06-20 |
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RU2011138823/05A RU2587437C2 (en) | 2011-09-21 | 2011-09-21 | Method for neutralisation of sulphide-alkali sewage |
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RU (1) | RU2587437C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2738579C2 (en) * | 2019-05-21 | 2020-12-14 | Андрей Владиславович Курочкин | Reagentless neutralization of sulphurous alkali wastes apparatus (versions) |
RU2749595C2 (en) * | 2019-05-21 | 2021-06-15 | Андрей Владиславович Курочкин | Plant for reagent-free purification of sulfur-alkaline effluents (options) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB828670A (en) * | 1957-12-10 | 1960-02-24 | Shell Res Ltd | A process for improving the properties of lubricating oils |
SU1436459A1 (en) * | 1986-12-25 | 1995-07-25 | В.Г. Иванов | Method of synthesis of petroleum sulfoxides |
RU2116267C1 (en) * | 1997-04-01 | 1998-07-27 | Закрытое акционерное общество "Химтэк Инжиниринг" | Method of preparing potassium bromide |
RU2235112C1 (en) * | 2002-11-25 | 2004-08-27 | Государственное унитарное предприятие Всероссийский научно-исследовательский институт углеводородного сырья | Light petroleum distillate desulfurization method |
RU2011124490A (en) * | 2011-06-16 | 2012-12-27 | Иван Васильевич Бойко | METHOD FOR SULFID-ALKALINE DRAINS DISCONTINUATION |
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2011
- 2011-09-21 RU RU2011138823/05A patent/RU2587437C2/en not_active IP Right Cessation
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RU2587437C2 (en) | 2016-06-20 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20180922 |