摘要
随着全球气候变暖的不断加剧,CO2排放控制技术正受到越来越多的关注。文章全面介绍了近期国内外适用于燃煤电厂的二氧化碳捕集与利用技术的研究进展,对以氨水作为吸收剂的化学吸收法、CO2碳化利用技术、CO2捕集与矿化利用一体化技术做了重点介绍和客观评价。其中,氨水、法相比其他吸收工艺具有更高的吸收能力,较快的反应速度,不产生腐蚀问题,且能耗和价格较低;碳化利用技术因可用矿物资源储量大、分布广,受地域限制较小而表现出巨大的发展潜力;CO2捕集与矿化利用一体化的新工艺,被证明能够克服传统工艺高能耗、低效率的缺点,同时还能生产有较高附加值的副产品来降低成本,有着良好的发展前景。
As global warming worsens, control technology of carbon dioxide emission is attracting more and more attention. The paper comprehensively introduced domestic and overseas development of technology for carbon dioxide capture, utilization and storage, and focused on the technology of carbon dioxide capture using aqueous ammonia solution, carbon dioxide storage by mineralization, and a novel process integrating carbon dioxide capture with mineralization. The analysis shows that, compared with other traditional amine - based absorbents, aqueous ammonia solution has large carbon dioxide capacity, high reaction rate, good oxidative stability, and low regeneration energy; Carbon dioxide storage with mineralization also has huge potential for large mineral resources reserves, wide mineral distribution, and wide range of adaptability; The integrated process has good development prospects as it overcomes traditional defects such as high energy consumption and low efficiency, and produces high value byproduct that lowers the cost.
出处
《煤炭工程》
北大核心
2014年第3期90-92,共3页
Coal Engineering
关键词
燃煤电厂
二氧化碳
氨水
矿石碳化
coal -fired power plant
carbon dioxide
aqueous ammonia
mineral carbonation
