TEST OF PYROLUSITE DIRECT LEACHING IN SULPHURIC ACID WITH ADDITION OF PLANT POWDER AS REDUCING AGENT

Yang Youping; Huang Kelong

Yang Youping, Huang Kelong. TEST OF PYROLUSITE DIRECT LEACHING IN SULPHURIC ACID WITH ADDITION OF PLANT POWDER AS REDUCING AGENTJ. CHINA MINING MAGAZINE, 2001, 10(5): 54-56.

Citation:

Yang Youping, Huang Kelong. TEST OF PYROLUSITE DIRECT LEACHING IN SULPHURIC ACID WITH ADDITION OF PLANT POWDER AS REDUCING AGENTJ. CHINA MINING MAGAZINE, 2001, 10(5): 54-56.

Citation:

Yang Youping, Huang Kelong. TEST OF PYROLUSITE DIRECT LEACHING IN SULPHURIC ACID WITH ADDITION OF PLANT POWDER AS REDUCING AGENTJ. CHINA MINING MAGAZINE, 2001, 10(5): 54-56.

TEST OF PYROLUSITE DIRECT LEACHING IN SULPHURIC ACID WITH ADDITION OF PLANT POWDER AS REDUCING AGENT

Abstract

Abstract

The principle and technological conditions of pyrolusite direct leaching in sulphuric acid with addition of plant powder(such as sawdust,rice husk)as reducing agent are discussed in details.Test results show that the percentage of manganese leached out is dependent on pyrolusite charge,plant powder charge,sulphuric acid volume,temperature and duration of leaching.Under appropriate technological conditions,95% of manganese can be leached out.

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TEST OF PYROLUSITE DIRECT LEACHING IN SULPHURIC ACID WITH ADDITION OF PLANT POWDER AS REDUCING AGENT

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