Detoxification and immobilization of chromite ore processing residue in spinel-based glass-ceramic

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Detoxification and immobilization of chromite ore processing residue in spinel-based glass-ceramic

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作者：Chang-Zhong Liao^a ; ^b ; Yuanyuan Tang^c ; Po-Heng Lee^e ; Dr. Chengshuai Liu^a ; ^d ; ^{csliu@soil.gd.cn" class="auth_mail" title="E-mail the corresponding author} ; Dr. Kaimin Shih^b ; ^{kshih@hku.hk" class="auth_mail" title="E-mail the corresponding author} ; Fangbai Li^a
关键词：Detoxification ; Immobilization ; Chromite ore processing residue (COPR) ; Glass-ceramic ; Rietveld quantitative XRD
刊名：Journal of Hazardous Materials
出版年：2017
出版时间：5 January 2017
年：2017
卷：321
期：Complete
页码：449-455
全文大小：1877 K

文摘

class="label">•: COPR was detoxified and immobilized in a spinel-based glass-ceramic matrix.
class="label">•: Cr-rich crystalline phase was determined to be MgCr_1.32Fe_0.19Al_0.49O₄ spinel.
class="label">•: The partitioning ratio of Cr into spinel in the glass-ceramic can be up to 77%.
class="label">•: No Cr(VI) was observed after conversion of COPR into a glass-ceramic.
class="label">•: TCLP results demonstrate the superiority of the final product in immobilizing Cr.

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