RU2012132946A - METHOD FOR REMOVING HEAVY METAL IONS - Google Patents
METHOD FOR REMOVING HEAVY METAL IONS Download PDFInfo
- Publication number
- RU2012132946A RU2012132946A RU2012132946/05A RU2012132946A RU2012132946A RU 2012132946 A RU2012132946 A RU 2012132946A RU 2012132946/05 A RU2012132946/05 A RU 2012132946/05A RU 2012132946 A RU2012132946 A RU 2012132946A RU 2012132946 A RU2012132946 A RU 2012132946A
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- RU
- Russia
- Prior art keywords
- metal ions
- heavy metal
- extraction
- aqueous
- removing heavy
- Prior art date
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- Removal Of Specific Substances (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Способ извлечения ионов тяжелых металлов из водных растворов, экстракцией отличающийся тем, что в качестве экстрагента используют 0,1%-ный водный раствор гуминовых кислот выделенных из термически обработанного растительного опада, а в качестве разбавителя - изоамиловый спирт, причем процесс ведут при значениях pH 7-9, с последующей реэкстракцией органической фазы 2М соляной кислотой и определением содержания ионов металла в водной фазе комплексонометрически. A method for extracting heavy metal ions from aqueous solutions by extraction, characterized in that a 0.1% aqueous solution of humic acids isolated from heat treated plant litter is used as an extractant, and isoamyl alcohol is used as a diluent, the process being carried out at pH 7 -9, followed by reextraction of the organic phase with 2M hydrochloric acid and determination of the content of metal ions in the aqueous phase complexometrically.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012132946/05A RU2525307C2 (en) | 2012-08-01 | 2012-08-01 | Extraction of heavy metal ions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2012132946/05A RU2525307C2 (en) | 2012-08-01 | 2012-08-01 | Extraction of heavy metal ions |
Publications (2)
Publication Number | Publication Date |
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RU2012132946A true RU2012132946A (en) | 2014-02-10 |
RU2525307C2 RU2525307C2 (en) | 2014-08-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2012132946/05A RU2525307C2 (en) | 2012-08-01 | 2012-08-01 | Extraction of heavy metal ions |
Country Status (1)
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RU (1) | RU2525307C2 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI51110C (en) * | 1973-05-22 | 1976-10-11 | Outokumpu Oy | Methods for separating cobalt (II) and nickel (II) by liquid-liquid extraction |
SU1293116A1 (en) * | 1984-12-24 | 1987-02-28 | Одесский государственный университет им.И.И.Мечникова | Method of isolating heavy metals |
RU2125039C1 (en) * | 1997-01-14 | 1999-01-20 | Шульгин Александр Иванович | Humin concentrate, method of its preparing, devices for electrochemical preparing humin concentrate (variants), method of water treatment from impurities, method of dehydration of viscous-flowing media, method of detoxication of organic compounds, method of utilization of sewage, method of making soil from natural and artificial grounds and recovery of fertility of degraded soils, method of composting organic waste, method of utilization of tap water sediments |
RU2203969C2 (en) * | 2001-05-14 | 2003-05-10 | Воропанова Лидия Алексеевна | Method for selective extraction of copper, cobalt, and nickel ions from aqueous solutions |
RU2430075C1 (en) * | 2010-02-18 | 2011-09-27 | Государственное образовательное учреждение высшего профессионального образования "Пермский государственный университет" | Humic acid synthesis method |
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2012
- 2012-08-01 RU RU2012132946/05A patent/RU2525307C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2525307C2 (en) | 2014-08-10 |
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Effective date: 20140802 |