无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
综述与专论

煤矸石中有价元素回收技术研究进展

  • 王丽萍 ,
  • 李超 ,
  • 常宁 ,
  • 曹坤 ,
  • 高桂梅 ,
  • 张云峰 ,
  • 洪雨 ,
  • 图亚 ,
  • 赵建强
展开
  • 中国神华哈尔乌素露天煤矿,内蒙古 鄂尔多斯 010300
王丽萍(1984— ),女,博士,高级工程师,主要从事粉煤灰等固废综合利用研究工作;E-mail:chwlp2008@163.com
李超(1983— ),男,博士,高级工程师,主要从事粉煤灰中有价元素提取及高附加值开发利用研究工作;E-mail:lichao_1122@163.com

收稿日期: 2022-09-08

  网络出版日期: 2023-07-13

基金资助

国家科技部“十二五”科技支撑计划项目(2011BAA04B05)

Research progress of recovery technology of valuable elements from coal gangue

  • WANG Liping ,
  • LI Chao ,
  • CHANG Ning ,
  • CAO Kun ,
  • GAO Guimei ,
  • ZHANG Yunfeng ,
  • HONG Yu ,
  • TU Ya ,
  • ZHAO Jianqiang
Expand
  • Shenhua Haerwusu Open-pit Coal Mine of China,Ordos 010300,China

Received date: 2022-09-08

  Online published: 2023-07-13

摘要

煤矸石是中国排放量以及堆存量最大的工业固体废弃物之一,其含有丰富的铝、硅、铁以及一些微量或痕量元素,如锂、镓、钛以及稀土元素等,这些元素中的一种或多种富集到工业价值后就可以综合利用。主要概述了煤矸石在铝、硅、铁以及稀有金属回收领域的研究现状,通过分析以上化学元素回收技术的优缺点,指出技术壁垒是煤矸石利用中的迫切问题,探索不同种类煤矸石应用的科学组合以及煤矸石在不同行业之间的应用研究、缩短工艺流程、形成煤矸石利用的产业链,将是早日实现煤矸石综合利用工业化的必经之路。

关键词: 煤矸石; 有价元素; 回收

本文引用格式

王丽萍 , 李超 , 常宁 , 曹坤 , 高桂梅 , 张云峰 , 洪雨 , 图亚 , 赵建强 . 煤矸石中有价元素回收技术研究进展[J]. 无机盐工业, 2023 , 55(7) : 10 -17 . DOI: 10.19964/j.issn.1006-4990.2022-0545

Abstract

Coal gangue is one of the largest industrial solid waste emissions and storage in China.It is rich in Al,Si,Fe and some trace elements,such as Li,Ga,Ti and rare earth elements.One or many of these elements can be comprehensively utilized after being enriched to industrial value.The research status of coal gangue in the field of aluminum,silicon,iron and rare metal recovery was summarized.By analyzing the advantages and disadvantages of the above chemical element recovery technologies,it was pointed out that technical barrier was an urgent problem in the utilization of coal gangue.the scientific combination of the application of different types of coal gangue and the application research of coal gangue in different industries was explored.Shortening the process flow and forming the industrial chain of coal gangue utilization would be the only way to realize the industrialization of comprehensive utilization of coal gangue as soon as possible.

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