电厂碳捕集的现状与未来展望

IF 8.6 1区 环境科学与生态学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Reviews in Environmental Science and Bio/Technology Pub Date : 2023-07-01 DOI:10.1007/s11157-023-09663-2
Dalal Alalaiwat, Ezzat Khan
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引用次数: 2

摘要

发电厂的排放物极大地增加了大气中二氧化碳的浓度。加强可再生能源的利用和提高能源效率被广泛认为是减少排放的关键,但某些解决办法需要时间来实施。碳捕获和封存被认为是有助于减少最终排放的关键解决方案。大多数研究都涉及当前可用的技术,如燃烧前捕获,燃烧后捕获和含氧燃料燃烧。碳捕获技术的几个挑战正在被解决,而没有更多地关注最佳解决方案。尽管燃烧后捕获被认为是改造发电厂的最佳选择之一,但该过程的挑战和可能的解决方案尚未深入研究。这篇综述文章研究了三种技术(燃烧前、燃烧后和含氧燃料燃烧),以确定用于发电厂二氧化碳捕获的最佳选择。研究人员和决策者在脱碳领域的差距已经确定,因此提出了未来的路线图。燃烧后捕获是发电厂碳捕获的最佳选择。为了获得更好的捕获结果,需要解决溶剂选择、工艺配置和过程排放到环境中的问题。在此,提出了三种未来的方案,即清洁烟气的再循环,不同溶剂的协同作用或用超声波技术取代汽提塔装置。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Current status and future scenarios of carbon capture from power plants emission: a review

The emission from power plants highly contributes to the increase of CO2 concentration in the atmosphere. Enhancing the utilization of renewable energy and improving energy efficiency are widely considered to be a key to reduce emissions, however, certain solutions need time to be implemented. Carbon Capture and Storage is considered as a crucial solution for the situation that contributes to reduce the ultimate emission. Most studies have dealt with the current available technologies such as pre-combustion capture, post-combustion capture, and oxyfuel combustion. Several challenges of Carbon Capture technologies are being addressed without being given more attention to the optimum solution. Although post-combustion capture is considered one of the best options to be retrofitted to a power plant, the challenges of the processes and the possible solutions have not been dealt with in depth. This review article investigates the three techniques (pre-combustion, post-combustion, and oxyfuel combustion) to identify the best option to be used for CO2 capture from the power plant. The gap in the field of decarbonization for researchers and policy makers has been identified and a future roadmap has therefore been proposed. Post-combustion capture is the best option for carbon capture from power plants. Solvent selection, process configuration, and process emissions to environment need to be resolved for better capture results. Three future scenarios are hereby proposed, the recirculation of the clean flue gas, synergistic effect of different solvents or replacement of stripper unit with ultrasound technique.

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来源期刊
Reviews in Environmental Science and Bio/Technology
Reviews in Environmental Science and Bio/Technology Environmental Science-Waste Management and Disposal
CiteScore
25.00
自引率
1.40%
发文量
37
审稿时长
4.5 months
期刊介绍: Reviews in Environmental Science and Bio/Technology is a publication that offers easily comprehensible, reliable, and well-rounded perspectives and evaluations in the realm of environmental science and (bio)technology. It disseminates the most recent progressions and timely compilations of groundbreaking scientific discoveries, technological advancements, practical applications, policy developments, and societal concerns encompassing all facets of environmental science and (bio)technology. Furthermore, it tackles broader aspects beyond the natural sciences, incorporating subjects such as education, funding, policy-making, intellectual property, and societal influence.
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