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Techno-economic assessment of chemical looping reforming of natural gas for hydrogen production and power generation with integrated CO2 capture
International Journal of Greenhouse Gas Control ( IF 3.9 ) Pub Date : 2018-08-01 , DOI: 10.1016/j.ijggc.2018.07.022
Shareq Mohd Nazir , Joana Francisco Morgado , Olav Bolland , Rosa Quinta-Ferreira , Shahriar Amini

The current study presents the techno-economic analysis of the CLR-CC process. The CLR-CC process comprises of chemical looping reforming (CLR) of Natural Gas, water gas shift, CO2 capture and compression, and combined cycle power plant. A 1-D phenomenological model was developed using MATLAB and is used to study the performance of CLR, whereas the remaining part of the process was analysed using commercial software tools like Aspen and Thermoflow. The effect of design conditions in CLR, mainly the air flowrate to the oxidation reactor, oxidation reactor outlet temperature and the steam flowrate to the fuel reactor of CLR, on the overall techno-economic performance of the CLR-CC process is reported. The CH4 conversion in CLR, net electrical efficiency, CO2 avoidance rate and the Levelised Cost of Electricity (LCOE) have been identified as techno-economic performance indicators. For the sensitivity study carried out in this study through 12 cases, the net electrical efficiency of the CLR-CC process varies between 40.0 and 43.4%, whereas the LCOE varies between 75.3 and 144.8 $/MWh, which is highly dependent on the fuel cost and process contingency rates.



中文翻译:

集成CO 2捕集的用于制氢和发电的天然气化学循环重整的技术经济评估

当前的研究提出了CLR-CC过程的技术经济分析。CLR-CC工艺包括天然气的化学循环重整(CLR),水煤气变换,CO 2捕集和压缩以及联合循环发电厂。使用MATLAB开发了一维现象学模型,该模型用于研究CLR的性能,而使用Aspen和Thermoflow等商业软件工具分析了过程的其余部分。报道了CLR中的设计条件,主要是进入氧化反应器的空气流量,氧化反应器出口温度和进入CLR的燃料反应器的蒸汽流量,对CLR-CC工艺的整体技术经济性能的影响。CLR中的CH 4转化率,净电效率,CO 2回避率和平均电费(LCOE)已被确定为技术经济绩效指标。对于在12个案例中进行的敏感性研究,CLR-CC过程的净电效率在40.0%至43.4%之间变化,而LCOE在75.3美元至144.8美元/ MWh之间变化,这在很大程度上取决于燃料成本和过程意外率。

更新日期:2018-08-01
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