This research was financially supported by the National Natural Science Foundation of China (No51504114) and Kunming University of Science and Technology Foundation for analysis and testing (No2018M20172202034) This support is gratefully acknowledged The authors are grateful to the reviewers for the discerning comments on this paper
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chromite ore followed closely (average growth rate 46% pa), Between 1994 and 1999, chrome ore production Ferrochrome Smelting in Zimbabwe • stagnated, • 2000 and onwards, market volumes increased from 15 million MT to 24 million MT in 2008 - due to the-then rapidly rising global stainless steel demand and production in China 14
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The pyrolysis treatment with biomass is a promising technology for the remediation of chromite-ore-processing residue (COPR) However, the mechanism of this process is still unclear In this study, the behavior of pyrolysis reduction of Cr(VI) by cellulose, the main component of biomass, was elucidated The results showed that the volatile fraction (VF) of cellulose, ie gas and tar, was .
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311 Chromite ore Chromite ore is the only commercial source of chromium About 80% of world production comes from India, Iran, Pakistan, Oman, Turkey and Southern Africa (which produces half of this) In Zimbabwe, chrome occurs in two distinct geological environments; the Great Dyke and the Greenstone belts
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