Способ переработки серебросодержащего сырья: патент на изобретение

Владимир Геннадьевич Лобанов (Inventor), Сергей Эдуардович Полыгалов (Inventor), Владимир Семенович Сонькин (Inventor), Адиль Ринатович Муралеев (Inventor), Евгений Геннадьевич Сидин (Inventor), Дмитрий Дмитриевич Маганов (Inventor), Екатерина Александровна Шадрина (Inventor)

Resultado de pesquisa: Patent

Resumo

FIELD: metallurgy of non-ferrous and noble metals. SUBSTANCE: invention relates to methods of producing pure silver. Method comprises chemical dissolution of a silver-containing material in the presence of hydrogen peroxide, separation of insoluble residue and separation of obtained silver solution. Dissolution of the starting material is carried out at pH 9–10 and temperature of 20–30 °C in solution containing 50–150 g/l of ammonium sulphate and 10–50 g/l of hydrogen peroxide. EFFECT: method enables to exclude release of toxic gases and transition into solution of platinum metals.
Título traduzido da contribuiçãoSilver-containing raw material processing method: patent of invention
Idioma originalRussian
Número de patente2742763
IPCC22B 11/00,C22B 7/00,C22B 3/14
Data da prioridade26/08/2019
Data de arquivo26/08/2019
Estado da publicaçãoPublished - 10 fev 2021

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