A METHOD FOR PROCESSING THE USED LINER OF ALUMINUM ELECTROLYSER WITH THE SLAG OF MAGNESIUM REDUCING REACTION AS ADDITIVE

WIPO Patent Application WO/2009/015534

A1

A method for processing the used liner of aluminum electrolyser includes the following steps: (1) crushing and grinding the used liner of aluminum electrolyser containing waste carbonaceous material and fireproof material into powder with particle size of less than 0.15mm, (2) crushing and grinding limestone and the slag of magnesium reducing reaction respectively into powder with particle size of less than 1mm, (3) mixing the used liner with limestone and the slag of magnesium reducing reaction proportionally, (4) roasting the mixture to obtain solid matter.

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LI, Wangxing (82 Jiyuan Road, Shangjie DistrictZhengzhou, Henan 1, 450041, CN)
李旺兴 (中国河南省郑州市上街区济源路82号, Henan 1, 450041, CN)
CHEN, Xiping (82 Jiyuan Road, Shangjie DistrictZhengzhou, Henan 1, 450041, CN)

CN2007/003718

February 05, 2009

December 21, 2007

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ALUMINUM CORPORATION OF CHINA LIMITED (62 Xizhimen North Avenue, Haidian District, Beijing 8, 100088, CN)
中国铝业股份有限公司 (中国北京市海淀区西直门北大街62号, Beijing 8, 100088, CN)
LI, Wangxing (82 Jiyuan Road, Shangjie DistrictZhengzhou, Henan 1, 450041, CN)
李旺兴 (中国河南省郑州市上街区济源路82号, Henan 1, 450041, CN)

B09B3/00; C25C3/08; B09B3/00; C25C3/00

CHINA PATENT AGENT (H. K.) LTD. (22/F, Great Eagle Centre23 Harbour Road,Wanchai, Hong Kong, Kong, CN)

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