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  • 张以河,王新珂,吕凤柱,周风山,佟望舒,胡应模,张安振,陆荣荣.赤泥脱碱及功能新材料研究进展[J].环境工程学报,2016,10(7):3383-3390.DOI:10.12030/j.cjee.201502139    [点击复制]
  • ZHANG Yihe,WANG Xinke,LYU Fengzhu,ZHOU Fengshan,TONG Wangshu,HU Yingmo,ZHANG Anzhen,LU Rongrong.Study progress of alkali removal from red mud and novel functional materials[J].,2016,10(7):3383-3390.DOI:10.12030/j.cjee.201502139   [点击复制]
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赤泥脱碱及功能新材料研究进展
张以河, 王新珂, 吕凤柱, 周风山, 佟望舒, 胡应模, 张安振, 陆荣荣
0
(中国地质大学(北京)材料科学与工程学院, 非金属矿物与固废资源材料化利用北京市重点实验室, 非金属矿物与 工业固废资源综合利用全国循环经济工程实验室, 矿物岩石材料开发应用国家专业实验室, 北京 100083)
摘要:
氧化铝生产过程中产生的赤泥已成为制约铝行业可持续发展的瓶颈。随着铝工业的发展,赤泥的堆存量越来越大,赤泥的综合利用显得尤为迫切。为了解决国内外赤泥的堆存现状及产生的危害,国内外对赤泥资源化利用作了研究,赤泥可以用于生产建筑材料、陶瓷制品、微晶玻璃、路基及防渗材料、硅钙肥、吸附材料和提取有价金属。重点介绍了近年来赤泥脱碱实验研究、赤泥填充塑料、赤泥多元絮凝剂联产复合白炭黑、赤泥免烧和烧结蜂窝多孔材料、抗菌材料载体、赤泥脱硫与固硫材料、赤泥用于炼铁氧化球团黏结剂等研究新进展。对赤泥进行减量化、资源化利用不仅能减少其对环境污染,还可缓解我国铝土矿资源短缺等问题。
关键词:  赤泥  脱碱  塑料填料  絮凝剂  多孔材料  脱硫  微晶玻璃
DOI:10.12030/j.cjee.201502139
投稿时间:2015-02-28修订日期:2015-03-18
基金项目:国家高技术研究发展计划(863)项目(2012AA06A109)
Study progress of alkali removal from red mud and novel functional materials
ZHANG Yihe, WANG Xinke, LYU Fengzhu, ZHOU Fengshan, TONG Wangshu, HU Yingmo, ZHANG Anzhen, LU Rongrong
(National Laboratory of Mineral Materials, National Circular Economy Engineering Laboratory of Comprehensive Utilization of Industrial Solid Wastes and Non Metallic Minerals, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, School of Materials Science and Technology, China University of Geosciences(Beijing), Beijing 100083, China)
Abstract:
Red mud,the waste produced during the extraction of alumina,has inhibited the development of the aluminum industry.In order to develop the alumina industry,various ways must be found to utilize the red mud,as storing the large quantities produced is a problem.Worldwide,researches have been done on utilizing this red mud.Applications include as raw material for building materials,ceramic products,glass ceramics,roadbed and impervious materials,silicon fertilizer,and as adsorption materials for extracting valuable metals.The present study mainly introduces the progress of researches on red mud,such as dealkalization and the preparation of polymer composites,carbon-white by the cogeneration of multiple flocculants,burned and unburned cellular materials,carriers of antibacterial material,desulfurization and sulfur fixation materials,and the binding of oxidized pellets.Reducing and utilizing red mud in multiple ways would reduce environmental pollution and solve the shortage of bauxite resources.
Key words:  red mud  dealkalization  plastic packing  flocculant  porous materials  desulfurization  glass ceramics