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Transformation of triolein to biogasoline by photo-chemo-biocatalysis
Green Chemistry ( IF 9.3 ) Pub Date : 2022-08-10 , DOI: 10.1039/d2gc01992b Weihua Xu 1 , Kaihao Mou 1 , Haonan Zhou 1 , Jian Xu 2 , Qi Wu 1
Green Chemistry ( IF 9.3 ) Pub Date : 2022-08-10 , DOI: 10.1039/d2gc01992b Weihua Xu 1 , Kaihao Mou 1 , Haonan Zhou 1 , Jian Xu 2 , Qi Wu 1
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The development of biomass energy obtained from nonfossil and renewable feedstocks is an important means to deal with the fossil energy crisis. The preparation of gasoline-range bio-hydrocarbons from natural abundant and renewable lipids has high potential. However, it is much more difficult than the preparation of widely reported biodiesel and represents a challenge to green chemistry. Compared with traditional methods usually involving harsh reaction conditions, a photo-chemo-enzymatic multi-step combination route was developed in this study for the highly efficient and environment-friendly preparation of biogasoline from cheap and sustainable triolein using solar energy and atmospheric O2 under mild conditions. This whole catalytic sequence was composed of lipase-catalyzed hydrolysis of triolein, fatty acid photodecarboxylase (CvFAP)-catalyzed decarboxylation of oleic acid, photocatalytic oxidative cleavage of long-chain alkene, and the final decarboxylation of the medium- or short-chain fatty acids catalyzed by CvFAP mutant. After optimizing the reaction conditions in detail, the practicability of the method was proved by a gram-scale experiment. This protocol was successfully applied to the conversion of various long-chain unsaturated acids and long-chain alkenes into biogasoline, implying its wide substrate scope. This photo-chemo-biocatalytic sequential reaction exhibited great potential to generate high value-added gasoline alkanes from natural abundant lipids and even wasted or non-edible oil.
中文翻译：
光化学生物催化三油精制生物汽油
发展以非化石和可再生原料为原料的生物质能源是应对化石能源危机的重要手段。从天然丰富和可再生的脂质制备汽油范围的生物烃具有很大的潜力。然而，它比广泛报道的生物柴油的制备困难得多，并且对绿色化学提出了挑战。与传统方法通常涉及苛刻的反应条件相比，本研究开发了一种光-化学-酶法多步组合路线，利用太阳能和大气O 2从廉价且可持续的三油精制取生物汽油高效、环保。在温和的条件下。整个催化序列由脂肪酶催化的三油精水解、脂肪酸光脱羧酶 ( Cv FAP) 催化的油酸脱羧、长链烯烃的光催化氧化裂解以及中链或短链脂肪的最终脱羧组成。Cv催化的酸FAP 突变体。在对反应条件进行了详细优化后，通过克级实验证明了该方法的实用性。该方案成功应用于各种长链不饱和酸和长链烯烃转化为生物汽油，表明其底物范围广。这种光-化学-生物催化顺序反应显示出巨大的潜力，可以从天然丰富的脂质甚至废弃或非食用油中产生高附加值的汽油烷烃。
更新日期：2022-08-15
中文翻译：
光化学生物催化三油精制生物汽油
发展以非化石和可再生原料为原料的生物质能源是应对化石能源危机的重要手段。从天然丰富和可再生的脂质制备汽油范围的生物烃具有很大的潜力。然而，它比广泛报道的生物柴油的制备困难得多，并且对绿色化学提出了挑战。与传统方法通常涉及苛刻的反应条件相比，本研究开发了一种光-化学-酶法多步组合路线，利用太阳能和大气O 2从廉价且可持续的三油精制取生物汽油高效、环保。在温和的条件下。整个催化序列由脂肪酶催化的三油精水解、脂肪酸光脱羧酶 ( Cv FAP) 催化的油酸脱羧、长链烯烃的光催化氧化裂解以及中链或短链脂肪的最终脱羧组成。Cv催化的酸FAP 突变体。在对反应条件进行了详细优化后，通过克级实验证明了该方法的实用性。该方案成功应用于各种长链不饱和酸和长链烯烃转化为生物汽油，表明其底物范围广。这种光-化学-生物催化顺序反应显示出巨大的潜力，可以从天然丰富的脂质甚至废弃或非食用油中产生高附加值的汽油烷烃。
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