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2 333 028

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(51)

IPC

B01D11/04(2006-01-01)

C22B3/00(2006-01-01)

C23F4/04(2006-01-01)

(21) (22)

Application

2007109046/15, 2007-03-12

(24)

Start date

2007-03-12

(22)

Actual filing date

2007-03-12

(45)

Published

2008-09-10

(72)

Inventor

Lesnov Andrej Evgen'EvichKudrjashova Ol'Ga StanislavovnaDenisova Svetlana AleksandrovnaChepkasova Anna Vladimirovna

(73)

Holder

Institut Tekhnicheskoj Khimii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Uro Ran)Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Permskij Gosudarstvennyj Universitet Vpo Pgu)

EXTRACTANT FOR EXTRACTING METAL ION FROM WATER SOLUTIONS Russian patent published in 2008 - IPC B01D11/04 C22B3/00 C23F4/04

Abstract RU 2333028 C1

FIELD: chemistry.

SUBSTANCE: present invention rests on capability of metal ions to be extracted in stratified system of water, ammonium chloride, polyethyleneglycol ethers of synthetic fatty acid monoethanolamides (sintamide-5) of the general formula C_nH_2n+1CONH(CH₂CH₂O)_mH (n=10-16; m=5-6) at the following component ratio, in mass %: ammonium chloride - 2-25; sintamide-5 - 5-45; water - up to 100.

EFFECT: quantitative extraction of thallium and gallium ions from water solutions without use of highly inflammable and toxic substances.

1 tbl, 2 dwg, 2 ex

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RU 2 333 028 C1

Authors

Lesnov Andrej Evgen'Evich

Kudrjashova Ol'Ga Stanislavovna

Denisova Svetlana Aleksandrovna

Chepkasova Anna Vladimirovna

Dates

2008-09-10—Published

2007-03-12—Filed