2017年 第3卷 第2期
《工程（英文）》 >> 2017年 第3卷 第2期 doi: 10.1016/J.ENG.2017.02.002
人工与自然再利用CO2进行DME生产：我们有更紧密的合作吗？
Department of Chemical Engineering, University of Salamanca, Salamanca 37008, Spain
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摘要
这项工作使用数学优化方法来分析和比较以人工方式捕获二氧化碳（CO 2 ）或以木质纤维素形式自然捕获的CO 2 的设施。将生物质用于生产相同的产品二甲醚（DME）。自然界中，植物通过光合作用捕获CO 2 以生长。这里讨论的第一个过程的设计基于上层结构优化方法，以便选择将木质纤维素生物质转化为DME的技术。生物质被气化；接下来，必须先使用重整，洗涤和碳捕获技术纯化粗制合成气，然后才能将其用于直接生产DME。或者，可以捕获CO 2 并用于通过氢化生产DME。氢（H 2 ）是通过利用太阳能将水分解而产生的。已经设计了基于光伏（PV）太阳能或聚光太阳能（CSP）技术的设施；他们的月度运行基于太阳能的可用性，是使用多周期方法确定的。当前的技术发展水平使生物质具有碳捕集技术的优势，因为耗水量和经济参数均对其有利。但是，由于生长生物质所需的面积和消耗的水总量（如果还要考虑植物的生长），使用生物质的决定并不是一个简单的决定。
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