For the problem of excessive silver content in silver concentrate exported by a factory,by simulating the actual working conditions of the silver separation process,different ammonia preparation schemes are selected,and silver separation tests are carried out on gold separation slag and excessive sil-ver concentrate.It is verified that the reason for the excessive silver content in silver concentrate is not the quality of recycled ammonia water and the wash-ing effect of silver concentrate,but rather the fugitive emission of large amount of ammonia gas during the silver separation process.
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