RU98106496A - METHOD FOR REMOVING ARSENIC FROM AQUEOUS SOLUTIONS - Google Patents

METHOD FOR REMOVING ARSENIC FROM AQUEOUS SOLUTIONS

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Publication number
RU98106496A
RU98106496A RU98106496/12A RU98106496A RU98106496A RU 98106496 A RU98106496 A RU 98106496A RU 98106496/12 A RU98106496/12 A RU 98106496/12A RU 98106496 A RU98106496 A RU 98106496A RU 98106496 A RU98106496 A RU 98106496A
Authority
RU
Russia
Prior art keywords
aqueous solutions
removing arsenic
arsenic
sorption
sorbent
Prior art date
Application number
RU98106496/12A
Other languages
Russian (ru)
Other versions
RU2152357C1 (en
Inventor
А.Д. Зорин
Р.В. Абражеев
Original Assignee
Научно-исследовательский институт химии Нижегородского государственного университета им.Н.И.Лобачевского
Filing date
Publication date
Application filed by Научно-исследовательский институт химии Нижегородского государственного университета им.Н.И.Лобачевского filed Critical Научно-исследовательский институт химии Нижегородского государственного университета им.Н.И.Лобачевского
Priority to RU98106496A priority Critical patent/RU2152357C1/en
Priority claimed from RU98106496A external-priority patent/RU2152357C1/en
Publication of RU98106496A publication Critical patent/RU98106496A/en
Application granted granted Critical
Publication of RU2152357C1 publication Critical patent/RU2152357C1/en

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Claims (1)

Способ извлечения мышьяка из водных растворов путем сорбции его ионов (As (v)) катионитами, отличающийся тем, что в качестве сорбента используют катионообменную смолу с сульфоксидными ионогенными группами, а перед сорбцией к мышьякосодержащему раствору добавляют нитрат железа (III) из расчета 0,15-0,4 г (Fe3+) на литр и азотную кислоту до рН 1,3-1,7.A method of extracting arsenic from aqueous solutions by sorption of its ions (As (v)) by cation exchangers, characterized in that a cation exchange resin with sulfoxide ionogenic groups is used as the sorbent, and iron (III) nitrate is added to the arsenic-containing solution at a rate of 0.15 -0.4 g (Fe 3+ ) per liter and nitric acid to a pH of 1.3-1.7.
RU98106496A 1998-04-08 1998-04-08 Method of recovery of arsenic from aqueous solutions RU2152357C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98106496A RU2152357C1 (en) 1998-04-08 1998-04-08 Method of recovery of arsenic from aqueous solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98106496A RU2152357C1 (en) 1998-04-08 1998-04-08 Method of recovery of arsenic from aqueous solutions

Publications (2)

Publication Number Publication Date
RU98106496A true RU98106496A (en) 2000-02-20
RU2152357C1 RU2152357C1 (en) 2000-07-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU98106496A RU2152357C1 (en) 1998-04-08 1998-04-08 Method of recovery of arsenic from aqueous solutions

Country Status (1)

Country Link
RU (1) RU2152357C1 (en)

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