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首页> 外文期刊>Chemical Engineering Communications >ENERGY EFFICIENCY EVALUATION FOR A “GREEN” POWER GENERATION PROCESS WITH MINIMUM EFFORT ON CARBON DIOXIDE CAPTURE AND STORAGE
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ENERGY EFFICIENCY EVALUATION FOR A “GREEN” POWER GENERATION PROCESS WITH MINIMUM EFFORT ON CARBON DIOXIDE CAPTURE AND STORAGE

机译：对“二氧化碳”捕获和存储的最少努力的“绿色”发电过程的能效评估

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This study evaluates the use of cracking for the removal of carbon from fuels to be used in a power generation process. Unlike conventional power generation systems, the proposed system includes a cracking unit, the function of which is to convert primary fuels into H2 rich syngas and solid carbon, thus avoiding the emission of CO2 and the need for carbon capture and storage (CCS) in the power generation system. Based on the thermodynamic analysis of equilibrium reactions in the cracker, it is demonstrated that the operating temperature has a significant influence on the carbon capture rate achieved and the composition of the syngas. Carbon in the fuel can be captured in solid form from hydrocarbon fuels when operating the cracker at sufficiently high temperatures; however, only a portion of carbon can be captured in a solid form from oxygenated hydrocarbon fuels, with the maximum carbon capture rate being achieved at an optimum temperature. An energy analysis, which takes into account the energy penalty of CCS for the conventional power generation system, reveals that the net available energy from the proposed system is still not as high as that of the conventional system with CCS; however, the solid carbon can be of high commercial value when appropriate technology is employed to convert the carbon byproduct into a high-added-value carbon product such as carbon black or carbon nanotubes (CNTs).View full textDownload full textKeywordsCarbon capture and storage, Cracking, Power generationRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/00986445.2012.680218
机译：这项研究评估了裂化在发电过程中使用的燃料中去除碳的用途。与传统的发电系统不同，该提议的系统包括裂化装置，其功能是将一次燃料转化为富含H 2 的合成气和固体碳，从而避免了CO 2 <的排放。 / sub>，以及发电系统中碳捕集与封存（CCS）的需求。基于裂解器中平衡反应的热力学分析，证明了操作温度对获得的碳捕获率和合成气的组成具有显着影响。当裂解炉在足够高的温度下运行时，燃料中的碳可以以固体形式从烃类燃料中捕集。但是，只有一部分碳可以从含氧烃燃料中以固体形式被捕集，在最佳温度下可获得最大的碳捕集率。能量分析考虑了常规发电系统的CCS能耗，结果表明，所提出系统的净可用能量仍然不及采用CCS的常规系统。但是，如果采用适当的技术将碳副产品转化为高附加值的碳产品（例如炭黑或碳纳米管（CNT）），则固态碳具有很高的商业价值。查看全文下载全文关键字碳捕获和储存，破解，发电相关变量var addthis_config = {ui_cobrand：“泰勒和弗朗西斯在线”，servicescompact：“ citeulike，netvibes，twitter，technorati，delicious，linkedin，facebook，stumbleupon，digg，google，更多”，发布：“ ra-4dff56cd6bb1830b” };添加到候选列表链接永久链接http://dx.doi.org/10.1080/00986445.2012.680218

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