RU2013124222A - METHOD FOR CLEANING WASTE AND NATURAL WATERS FROM IONS OF HEAVY METALS BY THE METHOD OF COMPLEX FORMATION - Google Patents
METHOD FOR CLEANING WASTE AND NATURAL WATERS FROM IONS OF HEAVY METALS BY THE METHOD OF COMPLEX FORMATION Download PDFInfo
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- RU2013124222A RU2013124222A RU2013124222/05A RU2013124222A RU2013124222A RU 2013124222 A RU2013124222 A RU 2013124222A RU 2013124222/05 A RU2013124222/05 A RU 2013124222/05A RU 2013124222 A RU2013124222 A RU 2013124222A RU 2013124222 A RU2013124222 A RU 2013124222A
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- lignosulfonate
- treatment
- polyamine
- heavy metal
- ions
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Abstract
1. Способ очистки сточных и природных вод от ионов тяжелых металлов путем обработки реагентами, вызывающими выделение осадка, содержащего катионы тяжелых металлов, и последующего его отделения, отличающийся тем, что обработку проводят последовательно лигносульфонатом и полиамином.2. Способ по п.1, отличающийся тем, что в качестве полиаминов используют хитозан или полиэтиленполиамин.3. Способ по п.1, отличающийся тем, что массовое соотношение лигносульфонат : хитозан составляет 1:0,25÷0,30.4. Способ по п.1, отличающийся тем, что массовое соотношение лигносульфонат : полиэтиленполиамин составляет 1:0,1÷0,25.5. Способ по п.1, отличающийся тем, что продолжительность обработки лигносульфонатом не менее одного часа.6. Способ по п.1, отличающийся тем, что продолжительность обработки полиамином не менее одного часа.7. Способ по п.1, отличающийся тем, что осаждение ионов тяжелых металлов следует проводить при pH не более 6,0.1. The method of purification of wastewater and natural waters from heavy metal ions by treatment with reagents that cause the precipitation of heavy metal cations, and its subsequent separation, characterized in that the treatment is carried out sequentially with lignosulfonate and polyamine. 2. The method according to claim 1, characterized in that chitosan or polyethylene polyamine are used as polyamines. The method according to claim 1, characterized in that the mass ratio of lignosulfonate: chitosan is 1: 0.25 ÷ 0.30.4. The method according to claim 1, characterized in that the mass ratio of lignosulfonate: polyethylene polyamine is 1: 0.1 ÷ 0.25.5. The method according to claim 1, characterized in that the duration of treatment with lignosulfonate is at least one hour. The method according to claim 1, characterized in that the duration of the polyamine treatment is at least one hour. The method according to claim 1, characterized in that the deposition of heavy metal ions should be carried out at a pH of not more than 6.0.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013124222/05A RU2013124222A (en) | 2013-05-27 | 2013-05-27 | METHOD FOR CLEANING WASTE AND NATURAL WATERS FROM IONS OF HEAVY METALS BY THE METHOD OF COMPLEX FORMATION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013124222/05A RU2013124222A (en) | 2013-05-27 | 2013-05-27 | METHOD FOR CLEANING WASTE AND NATURAL WATERS FROM IONS OF HEAVY METALS BY THE METHOD OF COMPLEX FORMATION |
Publications (1)
Publication Number | Publication Date |
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RU2013124222A true RU2013124222A (en) | 2014-12-10 |
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RU2013124222/05A RU2013124222A (en) | 2013-05-27 | 2013-05-27 | METHOD FOR CLEANING WASTE AND NATURAL WATERS FROM IONS OF HEAVY METALS BY THE METHOD OF COMPLEX FORMATION |
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RU (1) | RU2013124222A (en) |
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2013
- 2013-05-27 RU RU2013124222/05A patent/RU2013124222A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
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FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20150720 |