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Construction of a precise temperature-controlled continuous-flow catalytic reactor based on cellulose and MXene with directional thermal pathway heating and enzyme immobilization

文献类型： 外文期刊

作者： He, Chen-Xi 1 ; Lu, Zhen-Zhen 1 ; Yao, Xiao-Hui 1 ; Chen, Tao 1 ; Zhao, Wei-Guo 1 ; Wang, Jun 1 ; Zhang, Dong-Yang 1 ;

作者机构： 1.Jiangsu Univ Sci & Technol, Sch Biotechnol, Jiangsu Key Lab Sericultural & Anim Biotechnol, Zhenjiang 212100, Peoples R China

2.Chinese Acad Agr Sci, Sericultural Sci Res Ctr, Key Lab Silkworm & Mulberry Genet Improvement, Minist Agr & Rural Affairs, Zhenjiang 212100, Peoples R China

关键词： Continuous-flow catalysis; MXene; Disturbance; Precise temperature control

期刊名称：CHEMICAL ENGINEERING JOURNAL （ 影响因子：13.2； 五年影响因子：13.5 ）

ISSN： 1385-8947

年卷期： 2025 年 504 卷

页码：

收录情况： SCI

摘要： Bioreactors are crucial in industrial production, where enzyme catalysis typically occurs in water and requires continuous heating, consuming significant energy. This study reports a new type of precisely heated reactor constructed from cellulose and MXene with directional channels and porous inner walls. MXene forms directional channels with cellulose via layered stacking, enabling rapid heat conduction and accurate heat transference to the enzyme catalyst. A temperature control box monitors the reactor's temperature and uses automated heating to reduce energy loss. The reactor's porous structures facilitate faster fluid diffusion, improving the "disturbance" effect. Compared to traditional methods, which heat the entire aqueous solution, this reactor accelerates heat and mass transfer processes, enhancing catalytic performance. The reactor can quickly raise the temperature around the enzyme to 60 degrees C within 100 s and achieve a 98.12 % conversion rate for polydatin within 2 h, significantly higher than the traditional method (89.84 %). The layered MXene reactor structure reduces energy consumption by over 76 %, with total electrical energy consumption of 3.33 Wh compared to 14.33 Wh in traditional methods. This reactor is suitable for continuous-flow catalysis with low energy consumption and excellent cyclic storage stability, offering a new approach for constructing precise temperature-controlled bioreactors.

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