METHOD OF PRODUCING ANTISEPTIC AGENT FROM ARSENIC-CONTAINING PRODUCTS OBTAINED FROM LEWISITE DECOMPOSITION Russian patent published in 2011 - IPC B27K3/28 C22B30/04 C22B3/04 C22B7/00 

FIELD: chemistry.

SUBSTANCE: invention relates to the chemical industry, particularly to preparation of antiseptic agents for protecting wood and articles made from wood, as well as non-metal materials from biodecomposition, as well as from rotting, decomposition by microbes, fungi and insects. The method of preparing an antiseptic agent for protecting wood from rotting and decomposition involves mixing a solution containing an arsenic compound with chromium and copper compounds in ratio of arsenic to chromium and copper in the obtained product equal to 1:(0.6-1.5): (0.3-0.8).The solution which contains the arsenic compound is obtained by water leaching dry or hydrolysed sodium arsenite in ratio hydrolysed sodium arsenite to water equal to 1:(2-2.5). Hydrolysed sodium arsenite is obtained from a lewisite detoxification reaction mass.

EFFECT: wider raw material base when recycling products of detoxifying toxic substances.

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