煤矸石综合利用的产业化及其展望
Industrial development and prospect about comprehensive utilization of coal gangue
查看参考文献48篇
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文摘
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综合分析了我国在煤矸石综合利用方面的工业化进展。我国循环流化床煤矸石发电技术已引领国际先进发展水平,已开始发展超临界和超超临界煤矸石发电技术;全煤矸石烧结砖装备技术也达到国际先进水平,单套设备生产能力达到年消纳百万吨煤矸石;大规模利用煤矸石进行充填采空区和塌陷区、筑基修路、土地复垦等成为煤矸石无害化处理的主要方式。煤矸石的综合处理能力超过4亿吨/年。然而相对于煤矸石巨大的产生量,现有利用途径仍难以满足其处理需求。高附加值利用是煤矸石综合利用的重要补充,将成为煤矸石综合利用的发展方向。基于目前高附加值利用的发展现状,构建了煤矸石高附加值利用的循环经济路线,对于进一步提高其资源利用水平和利用率有重要意义。 |
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其他语种文摘
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Coal gangue as one of the largest industrial solid wastes in China brings about very serious environmental, social and economic problems. Comprehensive utilization of coal gangue is of importance to sustainable development of society and economy. China has made great progress in comprehensive utilization of coal gangue in the latest 40 years since the 1960-1970's. Circulating fluidized bed (CFD) power generation using coal gangue is at the advanced level of the world. The equipment and technology of sintered brick manufactured from coal gangue have also reached the world's advanced level. A single facility reaches million tons of coal gangue consumption annually. Large amounts of coal gangue as the major harmless methods are used in backfilling, road paving and land reclamation. The comprehensive treatment capacity of coal gangue increases significantly and exceeds 400 Mt annually at present. Due to large production of coal gangue, however, the existing utilizations cannot meet the demand of coal gangue treatment. Value-added utilization as one of the important supplementary ways will become the development direction of comprehensive utilization of coal gangue. It is of significance to further improve the utilization level and efficiency by establishing the circular economy routes of value-added utilization proposed in this paper based on the development situation of value-added utilization. |
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来源
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化工学报
,2014,65(7):2443-2453 【核心库】
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DOI
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10.3969/j.issn.0438-1157.2014.07.006
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关键词
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煤矸石
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综合利用
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产业化
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废物处理
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回收
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可持续性
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地址
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山西大学资源与环境工程研究所, 国家环境保护煤炭废弃物资源化高效利用技术重点实验室, 山西, 太原, 030006
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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0438-1157 |
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学科
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化学工业 |
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基金
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国家863计划
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山西省科技重大专项
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国家自然科学基金项目
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文献收藏号
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CSCD:5183254
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