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首页> 外文会议>European Symposium on Computer Aided Process Engineering >Assessing the CO2 Emissions Reduction from Cement Industry by Carbon Capture Technologies: Conceptual Design, Process Integration and Techno-economic and Environmental Analysis
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Assessing the CO2 Emissions Reduction from Cement Industry by Carbon Capture Technologies: Conceptual Design, Process Integration and Techno-economic and Environmental Analysis

机译：通过碳捕获技术评估水泥行业的二氧化碳排放量：概念设计，过程整合与技术经济和环境分析

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摘要

Reducing the greenhouse gas emissions from heat and power sector as well as from other energy-intensive industrial applications is of paramount importance in the modern society. The cement production industry is one of the largest industrial sources of CO2 (about 5 % of anthropogenic CO2 emissions). Among various carbon capture methods suitable to be implemented into the cement production process, two reactive gas-liquid absorption and gas-solid (calcium looping) options are evaluated in this paper in post-combustion CO2 capture configurations. The paper evaluates (using CAPE methods) the techno-economic and environmental performances for cement plants with carbon capture having an output of 1 Mt/y. Mass and energy integration aspects of the carbon capture unit, associated heat and power plant as well as the influence of various CO2 capture options on the overall cement production performances are discussed in details. For comparison reason, a conventional cement plant without carbon capture was also considered as benchmark case to quantify the energy and cost penalties for CO2 capture. The assessments show that the innovative calcium looping system has significant advantages compared not only to benchmark case without capture but also to the gas-liquid absorption CO2 capture case such as: the higher energy efficiency, lower energy penalty for CO2 capture, improved mass and energy integration potential and better techno-economic and environmental performances. The presented techno-economic and environmental analysis for cement production process with carbon capture is very promising to significantly reduce the carbon footprint of this important industrial sector.
机译：减少热量和电力部门以及其他能源密集型工业应用中的温室气体排放是现代社会最重要的。水泥生产行业的CO2（人为二氧化碳排放约5％）最大的工业污染源之一。在各种碳捕获方法适合于被实现到水泥生产过程中，两个反应性气体 - 液体吸收和气体 - 固体（钙循环）选项将在本文中燃烧后CO 2捕集的配置进行评估。在本文评估（使用CAPE方法）的技术经济和环境演出水泥厂被具有1万吨/年的输出碳捕获。碳捕获单元的质量和能量集成方面，相关的热电厂以及对整个水泥生产性能不同CO2捕获选项的影响进行了详细讨论。为了比较的原因，没有碳捕获传统的水泥厂也被视为基准的情况下，量化二氧化碳捕集的能源和成本负担。的评估显示，显著优点相比，不但基准的情况下，而不捕获也给气液吸收CO2捕获情况下，如新颖钙循环系统具有：更高的能量效率，CO2捕获，改进的质量和能量低的能量损失整合潜力和较好的技术经济和环境性能。与碳捕获水泥生产过程中所提出的技术经济和环境的分析非常有希望显著减少这一重要工业部门的碳足迹。

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