PROCEDURE FOR EXTRACTING GOLD FROM COAL AND INSTALLATION FOR IMPLEMENTATION OF THIS PROCEDURE Russian patent published in 2010 - IPC C22B11/00 C22B1/04 

Abstract RU 2395597 C2

FIELD: metallurgy.

SUBSTANCE: group of inventions refers to procedure for extracting gold from coal and to installation for its implementation. The procedure consists in combusting coal and in supplying fumes to a receiver-reactor with liquid in form of acidic flushing absorbing solution. Also fumes are preliminary purified, cooled and compressed to 6 at. Fumes are supplied, while pressure in the receiver-reactor is maintained at 4 at and there is sprayed acidic flushing absorbing solution. Further liquid is run though sorbent. The installation for extracting gold from coal consists of a furnace for coal combustion, of a cyclone, filter, water refrigerator, compressor, and receiver, receiver-reactor with injecting nozzle, branch, tap and safety valve, column with sorbent, reservoir for collection of absorbing flushing solution and a reservoir for drain of gold-free solution. All components of the installation are interconnected by pipes.

EFFECT: increased extraction of gold from coal.

2 cl, 1 dwg, 1 ex

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RU 2 395 597 C2

Authors

Kuz'Minykh Valerij Mikhajlovich

Borisov Viktor Nikolaevich

Dates

2010-07-27Published

2008-06-23Filed