METHOD OF PRODUCING SORBENT FOR REMOVING HEAVY METALS FROM WASTE WATER Russian patent published in 2015 - IPC B01J20/30 B01J20/02 B01J20/22 

Abstract RU 2558896 C1

FIELD: chemistry.

SUBSTANCE: method of producing a sorbent for cleaning waste water includes reacting elementary sulphur and sodium hydroxide in an aqueous solution in the presence of hydrazine hydrate. Further, chlorinated lignin and organochloride wastes from production of epichlorohydrin are fed for reaction, followed by polycondensation at 40-45°C.

EFFECT: obtained sorbent demonstrates nickel, zinc, cadmium, lead, mercury, copper and cobalt sorption of 330-450 mg/g.

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RU 2 558 896 C1

Authors

Chernysheva Evgenija Aleksandrovna

Grabel'Nykh Valentina Aleksandrovna

Levanova Ekaterina Petrovna

Ignatova Ol'Ga Nikolaevna

Rozentsvejg Igor' Borisovich

Russavskaja Natal'Ja Vladimirovna

Dronov Viktor Gennad'Evich

Gogotov Aleksej Fedorovich

Korchevin Nikolaj Alekseevich

Dates

2015-08-10Published

2014-06-06Filed