生物氢气途径与沼气途径转化糖蜜为生物乙醇的工程比较及成本评估:泰国案例

IF 2 Q4 ENERGY & FUELS

International Journal of Sustainable Energy Pub Date : 2023-05-10 DOI:10.1080/14786451.2023.2208691

Kuntima Krekkeitsakul, Rujira Jitrwung, Teerasak Hudakorn, Sophon Sirisattha, Weerawat Patthaveekongka

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引用次数: 1

摘要

生物甲醇是生物化学和生物燃料中的一种重要化学物质。Molasses有兴趣生产沼气和生物氢气作为生物甲醇。生物氢:产氧肠杆菌消化糖蜜，以适当的H2/CO2比例获得有价值的有机化学品和生物氢，然后通过RWGS转化为H2/CO。将沼气转化为合成气，然后合成甲醇。该工艺有4个步骤，适合生产单一产品作为生物甲醇。生物制氢途径分为三步，可获得有价物质和生物甲醇。生物氢实验和理论生产1公斤甲醇的运营费用分别为4.4148美元和4.0912美元，按甲醇商品价格0.449美元/公斤计算，沼气生产1公斤甲醇的运营费用为0.3446美元。通过生物氢途径生产的生物乙醇每公斤的销售价格分别为6.7243美元(实验值)和5.7500美元(理论值)，而通过沼气途径生产的生物乙醇每公斤的销售价格为0.4486美元。沼气途径、生物氢实验途径和理论途径的边际上限分别为30.19%、39.66%和40.55%。

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Comparison of molasses conversion to biomethanol by biohydrogen pathway with biogas route in engineering and cost assessment: Thailand case

Biomethanol is a significant chemical in biochemicals and biofuels. Molasses is interested in producing biogas and biohydrogen for biomethanol. Biohydrogen, Enterobacter aerogenes digested molasses obtaining value organic chemicals and biohydrogen in appropriate ratios of H2/CO2 then transforming to H2/CO by RWGS. Biogas was converted to syngas then methanol synthesis. The biogas pathway was 4 steps and it was appropriate for sailing single product as biomethanol. The biohydrogen pathway was 3 steps and obtained income both valuable substances and biomethanol. Operating expenditure for 1 kg methanol by biohydrogen experiment and theory were 4.4148 and 4.0912 USD comparing with biogas 0.3446 USD based on commercial methanol price 0.449 USD/kg. The sale prices per kg of biomethanol by biohydrogen were 6.7243 USD (Exp.) and 5.7500 USD (Theory) comparing with biomethanol sailing from biogas pathway at 0.4486 USD. Margin caps were 30.19%, 39.66%, and 40.55% for biogas pathway, biohydrogen experiment and theory route respectively.

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来源期刊

International Journal of Sustainable Energy ENERGY & FUELS-

CiteScore

5.70

自引率

3.20%

发文量

期刊介绍： Engineering and sustainable development are intrinsically linked. All capital plant and every consumable product depends on an engineering input through design, manufacture and operation, if not for the product itself then for the equipment required to process and transport the raw materials and the final product. Many aspects of sustainable development depend directly on appropriate and timely actions by engineers. Engineering is an extended process of analysis, synthesis, evaluation and execution and, therefore, it is argued that engineers must be involved from the outset of any proposal to develop sustainable solutions. Engineering embraces many disciplines and truly sustainable solutions are usually inter-disciplinary in nature.