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Technoeconomics of Commodity Chemical Production Using Sunlight
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2018-04-09 00:00:00 , DOI: 10.1021/acssuschemeng.8b00830
Clarke Palmer 1 , Fadl Saadi 2 , Eric W. McFarland 1, 2
Affiliation  

The economic potential for commodity chemical production using sunlight is examined using a general comparative analysis method. The market values and feedstock prices together with basic thermodynamic constraints are used to evaluate the solar-to-chemical conversion potential for selected products using four different solar conversion pathways. Potential products are compared using several metrics including the net value of products per unit of energy input [$/kWh] and annual value of products per unit of solar exposed area [$/m2-year]. Low-volume, high-value chemical products such as iodine and tellurium would provide the greatest economic potential for a solar conversion process whereas high-volume, low-value products including hydrogen and methane would have tremendous challenges in generating sufficient revenue to pay for the required capital costs. Artificial photosynthesis research might be better served if the focus were to be first finding some (or any) reasonably valuable product that could be produced economically using sunlight before attempts are supported to make low-value chemical products such as hydrogen and hydrocarbons.

中文翻译:

利用日光进行商品化学生产的技术经济学

使用一般的比较分析方法检查了使用日光生产商品化学品的经济潜力。市场价值和原料价格以及基本的热力学约束条件可用于通过四种不同的太阳能转化途径来评估选定产品的太阳能转化为化学产品的潜力。使用几种度量标准对潜在产品进行比较,包括每单位能量输入的产品净值[$ / kWh]和每单位太阳能暴露区域的产品年价值[$ / m 2-年]。小批量,高价值的化学产品(例如碘和碲)将为太阳能转换过程提供最大的经济潜力,而大批量,低价值的产品(包括氢气和甲烷)在产生足够的收入来支付太阳能方面将面临巨大的挑战。所需的资本成本。如果重点是首先找到可以在使用低价化学产品(例如氢和碳氢化合物)制造之前,可以利用阳光经济地生产的某些(或任何)合理有价值的产品,那么人工光合作用的研究可能会更好。
更新日期:2018-04-09
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