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- W2356316464 abstract "Tellurium is often extracted from tellurium dreg in metallurgical processes,mostly through the method of tellurium dreg crushing-ball grinding-water leaching-neutralizing and tellurium sinking-calcination-electrolysis.However,using this method,the leaching rate of tellurium is just 70%,and the valuable metals such as copper,bismuth and antimony in the dreg are hardly leached,the water leaching residue should return to converter for reduction smelting and enriching again.This brings about low recovery rate of tellurium, affects gold and silver' s recovery;and the valuable metals such as copper,bismuth,antimony can't be recovered.After the water leaching process,the leaching residue is further treated by the sulfuric acid-hydrochloric acid leaching technology to improve the leaching rate of the valuable metals of tellurium and copper;the leaching rate of tellurium,copper,antimony,bismuth can reach 99%,92%,98%and 99% respectively." @default.
- W2356316464 created "2016-06-24" @default.
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- W2356316464 date "2011-01-01" @default.
- W2356316464 modified "2023-09-27" @default.
- W2356316464 title "Research on Technologies to Improve Valuable Metal's Leaching Rate in Tellurium-bearing Dreg" @default.
- W2356316464 hasPublicationYear "2011" @default.
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