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2 541 258

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(51)

IPC

C22B43/00(2006-01-01)

C22B3/04(2006-01-01)

(21) (22)

Application

2013133517/02, 2013-07-18

(24)

Start date

2013-07-18

(22)

Actual filing date

2013-07-18

(45)

Published

2015-02-10

(72)

Inventor

Ostrovskij Jurij VladimirovichZabortsev Grigorij MikhajlovichBelozerov Igor' MikhajlovichBabushkin Aleksandr Vasil'EvichOstrovskij Dmitrij Jur'EvichMinin Vladimir Alekseevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Proizvodstvennyj Tsentr

METHOD OF IMMOBILISING MERCURY IN SOLID WASTES Russian patent published in 2015 - IPC C22B43/00 C22B3/04

Abstract RU 2541258 C1

FIELD: chemistry.

SUBSTANCE: method of immobilising mercury in solid wastes, containing mercury oxide and metal mercury, includes oxidation of metal mercury with water hydrogen peroxide solution and precipitation of mercury in form of basic bivalent mercury carbonate (HgCO₃·2HgO). Precipitation of mercury simultaneously with oxidation or after oxidation is carried out by processing wastes with carbon dioxide in autoclave under pressure 15-20 atm at temperature 40-50°C for 4-5 hours.

EFFECT: reduction of consumption of reagents and elimination of formation of secondary wastes.

3 cl, 3 tbl, 3 ex

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RU 2 541 258 C1

Authors

Ostrovskij Jurij Vladimirovich

Zabortsev Grigorij Mikhajlovich

Belozerov Igor' Mikhajlovich

Babushkin Aleksandr Vasil'Evich

Ostrovskij Dmitrij Jur'Evich

Minin Vladimir Alekseevich

Dates

2015-02-10—Published

2013-07-18—Filed