1999•Unpublished venueRequires access

COMPREHENSIVE ORE TESTING ON As BEARING REFRACTORY GOLD ORE OF HEICIGOU GOLD MINE IN SUBEI COUNTY

Mao Jun

Abstract

Heicigou gold deposit is identified as breccia type gold deposit.The ore belongs to typical As and S bearing microgranular refractory gold ore.Various testings were conducted on the ore and the conclusions are as follows:Gold leaching rate is lower than 17% by all sliming cynidation;Gold leaching effect is poor by floatation and roasting cynidation;Bio preoxidizing cynidation and alkali soaking cynidation get the best results,the highest gold leading rate is up to 92 4%,and they are the effective methods for processing this type of ore.

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Key concepts: Gold ore, Metallurgy, Roasting, Refractory (planetary science), Leaching (pedology), Geology, Mining engineering, Geochemistry