RU2012132946A - METHOD FOR REMOVING HEAVY METAL IONS - Google Patents

METHOD FOR REMOVING HEAVY METAL IONS Download PDF

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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
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RU2012132946/05A
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Russian (ru)
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RU2525307C2 (en
Inventor
Анна Вячеславовна Жданова
Елена Анатольевна Вялых
Михаил Иванович Дегтев
Сергей Александрович Иларионов
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский государственный национальный исследовательский университет"
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Priority to RU2012132946/05A priority Critical patent/RU2525307C2/en
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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)

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 re-extraction of the organic phase with 2M hydrochloric acid and determination of the content of metal ions in the aqueous phase complexometrically.
RU2012132946/05A 2012-08-01 2012-08-01 Extraction of heavy metal ions RU2525307C2 (en)

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RU2012132946/05A RU2525307C2 (en) 2012-08-01 2012-08-01 Extraction of heavy metal ions

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RU2012132946/05A RU2525307C2 (en) 2012-08-01 2012-08-01 Extraction of heavy metal ions

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RU2012132946A true RU2012132946A (en) 2014-02-10
RU2525307C2 RU2525307C2 (en) 2014-08-10

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
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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Effective date: 20140802