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IPC

B01J20/30(2006-01-01)

C01B33/40(2006-01-01)

(21) (22)

Application

2014113882/05, 2014-04-08

(24)

Start date

2014-04-08

(22)

Actual filing date

2014-04-08

(45)

Published

2015-08-20

(72)

Inventor

Golubeva Ol'Ga Jur'EvnaUl'Janova Natalija Jur'EvnaJakovlev Aleksandr VjacheslavovichDjakina Marija Pavlovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Ordena Trudovogo Krasnogo Znameni Institut Khimii Silikatov Im. I.V. Grebenshchikova Rossijskoj Akademii Nauk Ran)

METHOD OF PRODUCING SORBENT FOR PURIFYING SOLUTIONS FROM HEAVY METAL IONS Russian patent published in 2015 - IPC B01J20/30 C01B33/40

Abstract RU 2561117 C1

FIELD: chemistry.

SUBSTANCE: method includes dissolving aluminium, magnesium and sodium nitrates in nitric acid with addition of ethyl alcohol; adding tetraethoxysilane to the obtained mixture; depositing a gel of the composition (0.19-0.21)Na₂O (0.9-1.1)MgO (0.9-1.1)Al₂O₃ (3.9-4.1)SiO₂ by adding NH₄OH solution to pH 5.9-6.1; after drying and calcining the gel, performing hydrothermal treatment at temperature of 350°C and pressure of 70 MPa for three days. The crystallisation products are washed with distilled water and dried.

EFFECT: obtaining a sorbent with high lead and copper ion capacity.

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RU 2 561 117 C1

Authors

Golubeva Ol'Ga Jur'Evna

Ul'Janova Natalija Jur'Evna

Jakovlev Aleksandr Vjacheslavovich

Djakina Marija Pavlovna

Dates

2015-08-20—Published

2014-04-08—Filed