铁离子催化过氧化氢预处理用于利用秸秆生物质生产生物喷气燃料

IF 2.8 4区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Journal of chemical technology and biotechnology Pub Date : 2024-05-27 DOI:10.1002/jctb.7683

Rui Zhu, Rui Zhang, Yuting He, Can Zhu, Yu Jiang, Yuming Ni, Minghui Fan, Quanxin Li

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引用次数: 0

摘要

背景开发高效、绿色的预处理途径对促进木质纤维素废料的生物燃料生产具有重要意义。结果研究了铁离子催化过氧化氢预处理（Fe-HP）对秸秆酶水解、发酵和生物喷气燃料生产的影响。研究发现，铁离子催化过氧化氢预处理显著提高了秸秆生物质的酶水解和发酵效率。随后，利用双功能催化剂（HSAPO34/NiHBET）实现了秸秆发酵液向生物喷气燃料的定向催化转化。在秸秆转化过程中，获得了高转化率（94.9%）和良好的喷气燃料选择性（77.3%）。结论 Fe-HP 预处理可作为秸秆生物质生产喷气燃料的一种环境友好型预处理方法。Fe-HP 预处理提高了酶水解过程中的产糖量和糖浓度，有利于后续发酵和生物喷气燃料的生产。活性氧在木质纤维素的 Fe-HP 预处理过程中发挥了重要作用。© 2024 化学工业学会（SCI）。

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Iron ion catalyzed hydrogen peroxide pretreatment for bio-jet fuel production from straw biomass

BACKGROUND

The development of efficient and green pretreatment pathway is of great significance for promoting biofuel production from lignocellulosic waste. The purpose of this work was to evaluate that iron ion-catalyzed hydrogen peroxide pretreatment can be used as an environmentally friendly pretreatment way for bio-jet fuel production using straw.

RESULTS

The effects of iron ion-catalyzed hydrogen peroxide pretreatment (Fe-HP) on the enzymatic hydrolysis, fermentation and bio-jet fuel production using straw were investigated. It was found that the iron ion-catalyzed hydrogen peroxide pretreatment significantly improved the enzymatic hydrolysis and fermentation efficiency of straw biomass. Subsequently, the directional catalytic transformation of straw-derived fermentation broth to bio-jet fuels was achieved using a dual functional catalyst (HSAPO34/NiHBET). High conversion (94.9%) and good jet-fuel selectivity (77.3%) were obtained in the conversion process of straw. On account of the biomass characterization and the analysis of reactive oxygen species during the Fe-HP pretreatment, the role and mechanism of the Fe-HP pretreatment was addressed.

CONCLUSION

The Fe-HP pretreatment can be used as an environmentally friendly pretreatment way for jet fuel production from straw biomass. Fe-HP pretreatment increased sugar yield and sugar concentration during enzymatic hydrolysis, which was beneficial for subsequent fermentation and bio-jet fuel production. The reactive oxygen species take a prominent role in the Fe-HP pretreatment of lignocellulose. © 2024 Society of Chemical Industry (SCI).

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来源期刊

Journal of chemical technology and biotechnology 工程技术-工程：化工

CiteScore

7.00

自引率

5.90%

发文量

268

审稿时长

1.7 months

期刊介绍： Journal of Chemical Technology and Biotechnology(JCTB) is an international, inter-disciplinary peer-reviewed journal concerned with the application of scientific discoveries and advancements in chemical and biological technology that aim towards economically and environmentally sustainable industrial processes.