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首页> 外文期刊>ACS Sustainable Chemistry & Engineering >Regeneration Behavior of a Sustainable Bioinspired Soybean-Based Solvent for CO2 Capture
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Regeneration Behavior of a Sustainable Bioinspired Soybean-Based Solvent for CO2 Capture

机译：可持续生物灌注大豆溶剂的再生行为进行二氧化碳捕获

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The high-energy penalty for CO, capture is mainly attributed to the energy consumption for the regeneration of CO2-loaded solvent. In this study, a bioinspired soybean-based solvent (SBB solvent) was prepared according to the composition of amino acid in the commercially available hydrolyzed soy protein, which contains 18 different amino acids with the pH ranging from 13 (arginine) to 4.5 (aspartic acid) in the potassium hydroxide solution. The regeneration behavior of the SBB solvent was investigated in batch experiments under different operating conditions. The regeneration performance of the SBB solvent was evaluated in terms of CO2 desorption rate, CO2 desorption efficiency, and specific energy consumption. The result showed that the regeneration behavior of the SBB solvent was highly determined by the heating source temperature, initial CO2 loading, and solvent concentration. Compared to the conventional monoethanolamine, the SBB solvent proved to have 205% more CO2 desorption efficiency, up to 195% faster CO2 desorption rate, and 37% lower specific regeneration energy. The SBB solvent possesses great potential as new sustainable solvents for energy-efficient CO2 capture in the future.
机译：CO，捕获的高能量惩罚主要归因于CO2负载溶剂再生的能耗。在该研究中，根据市售水解的大豆蛋白中的氨基酸组合物制备生物悬浮的大豆溶剂（SBB溶剂），其含有18种不同的氨基酸，其pH从13（精氨酸）至4.5（天冬氨酸）酸）在氢氧化钾溶液中。在不同操作条件下，在分批实验中研究了SBB溶剂的再生行为。根据CO 2解吸速率，二氧化碳解吸效率和特定能耗来评价SBB溶剂的再生性能。结果表明，SBB溶剂的再生行为由加热源温度，初始CO 2负荷和溶剂浓度高度决定。与常规单乙醇胺相比，SBB溶剂已被证明具有205％的二氧化碳解吸效率，高达195％的CO 2解吸速率，比特定再生能量降低37％。 SBB溶剂具有巨大的潜力，成为未来节能二氧化碳的新可持续溶剂。

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