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首页> 外文期刊>International journal of hydrogen energy >Autothermal sorption-enhanced steam reforming of bio-oil/biogas mixture and energy generation by fuel cells: Concept analysis and process simulation
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Autothermal sorption-enhanced steam reforming of bio-oil/biogas mixture and energy generation by fuel cells: Concept analysis and process simulation

机译：生物油/沼气混合物的自热吸附蒸汽重整以及燃料电池的能量产生：概念分析和过程模拟

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摘要

A concept of sorption-enhanced steam reforming of bio-oil/biogas for electricity and heat generation by phosphoric acid fuel cells is investigated. The process is modeled using SIMSCI Pro II process simulator. Sorptive removal of the carbon dioxide from the reaction site results in low CO and CO_2 concentrations (< 1%) in the reformate, as a result it can be used in the phosphoric acid fuel cell without any further fuel cleanup. High hydrogen concentration and calorific value of the reformate enable the operation of the fuel cell at a high-efficiency mode despite of the high carbon/hydrogen ratio of the bio-fuel. Addition of biogas to the reformer enables autothermal operation of the reformer, as well as significantly improves the efficiency of the process. The simulation shows that the overall efficiency of the proposed system is compatible with the efficiency of the system using "classical" steam reforming of the fuel. The process exhibits 6% lower electrical efficiency compared to the system utilizing natural gas, and 4.6% higher efficiency compared to a system using bio-oil as a fuel.
机译：研究了利用磷酸燃料电池发电和供热的生物油/沼气吸附增强蒸汽重整的概念。使用SIMSCI Pro II过程模拟器对过程进行建模。从反应位点吸附去除二氧化碳会导致重整产品中的CO和CO_2浓度较低（<1％），结果可将其用于磷酸燃料电池，而无需任何进一步的燃料净化。尽管生物燃料的碳/氢比高，但是高氢浓度和重整产物的热值使燃料电池能够以高效率模式运行。向重整炉中添加沼气可以实现重整炉的自动热运行，并显着提高过程效率。仿真表明，所提出系统的整体效率与使用燃料的“经典”蒸汽重整的系统效率兼容。与使用天然气的系统相比，该工艺的电气效率低6％，与使用生物油作为燃料的系统相比，该效率高4.6％。

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