RU2011138823A - METHOD FOR SULFID-ALKALINE DRAINS DISCONTINUATION - Google Patents

METHOD FOR SULFID-ALKALINE DRAINS DISCONTINUATION Download PDF

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Publication number
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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RU
Russia
Prior art keywords
sulfide
oxidation
aqueous solution
sulfides
temperature
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RU2011138823/05A
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Russian (ru)
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RU2587437C2 (en
Inventor
Иван Васильевич Бойко
Владимир Степанович Никитченко
Борис Николаевич Шукайло
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Иван Васильевич Бойко
Владимир Степанович Никитченко
Борис Николаевич Шукайло
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Priority to RU2011138823/05A priority Critical patent/RU2587437C2/en
Publication of RU2011138823A publication Critical patent/RU2011138823A/en
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Publication of RU2587437C2 publication Critical patent/RU2587437C2/en

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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)

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.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 ° C and the oxidation of residual sulfides, with the introduction of hydrogen peroxide at both stages. 2. Способ по п.1, отличающийся тем, что в качестве катализатора используют водный раствор фосфонатного комплекса железа.2. The method according to claim 1, characterized in that the catalyst used is an aqueous solution of an iron phosphonate complex. 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. 3. 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.
RU2011138823/05A 2011-09-21 2011-09-21 Method for neutralisation of sulphide-alkali sewage RU2587437C2 (en)

Priority Applications (1)

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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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Application Number Priority Date Filing Date Title
RU2011138823/05A RU2587437C2 (en) 2011-09-21 2011-09-21 Method for neutralisation of sulphide-alkali sewage

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RU2011138823A true RU2011138823A (en) 2013-03-27
RU2587437C2 RU2587437C2 (en) 2016-06-20

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* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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Effective date: 20180922