Green Chemical Engineering最新文献

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A copper-based metal-organic framework for upgrading natural gas through the recovery of C2H6 and C3H8 通过回收C2H6和C3H8来提升天然气的铜基金属有机框架
Green Chemical Engineering Pub Date : 2023-03-01 DOI: 10.1016/j.gce.2022.04.006
Shao-Min Wang, Qing-Yuan Yang
{"title":"A copper-based metal-organic framework for upgrading natural gas through the recovery of C2H6 and C3H8","authors":"Shao-Min Wang,&nbsp;Qing-Yuan Yang","doi":"10.1016/j.gce.2022.04.006","DOIUrl":"10.1016/j.gce.2022.04.006","url":null,"abstract":"<div><p>Natural gas processing involves the separation of higher hydrocarbons (C2–C3) from methane, which is an important and energy-intensive operation. In this paper, we present a comprehensive study of an innovative copper-based MOF (Cu-MOF) for the separation of propane and ethane from methane. The material exhibits a high adsorption capacity and selectivity for C2–C3 hydrocarbons over methane, which is primarily due to its preferential C2–C3 hydrocarbon adsorption. The adsorption isotherms at ambient conditions showed a remarkable uptake of C<sub>3</sub>H<sub>8</sub> of 134.0 cm<sup>3</sup>/g, as well as excellent selectivity of 204 and 9 for C<sub>3</sub>H<sub>8</sub>/CH<sub>4</sub> and C<sub>2</sub>H<sub>6</sub>/CH<sub>4</sub>. According to the theoretical calculations, differences in van der Waals interactions and polarizability of the guest molecules were responsible for influencing separation performance. In addition, we conducted adsorption kinetic experiments, dynamic breakthrough, and cycling experiments to further examine the separation performance. Overall, this research establishes an energy-efficient adsorbent for upgrading natural gas.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"4 1","pages":"Pages 81-87"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45376935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Recent advances in the microfluidic generation of shape-controllable hydrogel microparticles and their applications 形状可控水凝胶微粒的微流体生成及其应用研究进展
Green Chemical Engineering Pub Date : 2023-02-28 DOI: 10.1016/j.gce.2023.02.002
Yingzhe Liu, Zhuo Chen, Jianhong Xu
{"title":"Recent advances in the microfluidic generation of shape-controllable hydrogel microparticles and their applications","authors":"Yingzhe Liu,&nbsp;Zhuo Chen,&nbsp;Jianhong Xu","doi":"10.1016/j.gce.2023.02.002","DOIUrl":"10.1016/j.gce.2023.02.002","url":null,"abstract":"<div><p>Hydrogel microparticles, generally accepted as significant green materials, have been widely used in chemical, biological, and biomedical fields owing to their excellent biocompatibility, biodegradability, and non-cytotoxicity. Among these, non-spherical hydrogel microparticles with diverse shape anisotropy have great potential in applications such as drug delivery, cellular interaction, micromotors, etc. Benefiting from their shapes, their functionalities in such fields cannot be satisfied by the typical spherical types. Recently, microfluidics with precise control and domination of fluids at microflow sizes has emerged as a powerful method for synthesizing shape-controllable hydrogel microparticles with good monodispersity and unique morphology. In this review, we tried to provide an overview of the production of non-spherical microparticles composed of green hydrogel materials, emphasizing the microfluidic approaches. Furthermore, a brief introduction to their current applications is also presented.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"5 1","pages":"Pages 16-30"},"PeriodicalIF":0.0,"publicationDate":"2023-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952823000067/pdfft?md5=854932dff99c8d62728a54f8d42d49b2&pid=1-s2.0-S2666952823000067-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49594811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NiCo/Al2O3 nanocatalysts for the synthesis of 5-amino-1-pentanol and 1,5-pentanediol from biomass-derived 2-hydroxytetrahydropyran NiCo/Al2O3纳米催化剂用于生物质衍生的2-羟基四氢吡喃合成5-氨基-1-戊醇和1,5-戊二醇
Green Chemical Engineering Pub Date : 2023-02-02 DOI: 10.1016/j.gce.2023.01.003
Jian Yang , Jia Zhang , Enrico Benassi , Xuemei Li , Hailong Liu , Weiguo Fang , Junying Tian , Chungu Xia , Zhiwei Huang
{"title":"NiCo/Al2O3 nanocatalysts for the synthesis of 5-amino-1-pentanol and 1,5-pentanediol from biomass-derived 2-hydroxytetrahydropyran","authors":"Jian Yang ,&nbsp;Jia Zhang ,&nbsp;Enrico Benassi ,&nbsp;Xuemei Li ,&nbsp;Hailong Liu ,&nbsp;Weiguo Fang ,&nbsp;Junying Tian ,&nbsp;Chungu Xia ,&nbsp;Zhiwei Huang","doi":"10.1016/j.gce.2023.01.003","DOIUrl":"10.1016/j.gce.2023.01.003","url":null,"abstract":"<div><p>Al<sub>2</sub>O<sub>3</sub>-supported monometallic Ni, Co, and bimetallic Ni–Co nanocatalysts originated from layered double hydroxide precursors were synthesized by co-precipitation method, and used for the synthesis of useful 5-amino-1-pentanol (5-AP) and 1,5-pentanediol (1,5-PD) by reductive amination (RA) or direct hydrogenation of biofurfural-derived 2-hydroxytetrahydropyran (2-HTHP), respectively. In both reactions, the yield of the target products decreased monotonously with the increasing amounts of Co in the NiCo/Al<sub>2</sub>O<sub>3</sub> catalysts, owing probably to the replacement of highly reactive Ni by Co component with inferior hydrogenation activity at the low reaction temperature of 60 °C. However, the incorporation of Co could improve the reducibility of the NiCo/Al<sub>2</sub>O<sub>3</sub> bimetallic catalysts and promote the reaction stability of the catalysts, especially for Ni<sub>2</sub>Co<sub>1</sub>/Al<sub>2</sub>O<sub>3</sub>, in both reactions with over 180 h time-on-stream. Characterization of the catalysts before and after the reaction showed that the incorporating Co could inhibit the sintering of metal particles and hinder the surface oxidation of the more reactive Ni<sup>0</sup> species, thanks to the formation of Ni–Co alloy in the bimetallic catalysts. DFT-based modeling of the reaction mechanisms is also performed, supporting the reaction pathway proposed previously and also the much higher activity of Ni in the RA of 2-HTHP as compared with Co.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"5 1","pages":"Pages 119-131"},"PeriodicalIF":0.0,"publicationDate":"2023-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952823000043/pdfft?md5=92a49a8550ad0e359e3d4dbe4e116ee4&pid=1-s2.0-S2666952823000043-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47112982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrocatalytic NAD(P)H regeneration for biosynthesis 生物合成的电催化NAD(P)H再生
Green Chemical Engineering Pub Date : 2023-02-01 DOI: 10.1016/j.gce.2023.02.001
Yaoxuan Li , Guanhua Liu , Weixi Kong , Suoqing Zhang , Yuemei Bao , Hao Zhao , Lihui Wang , Liya Zhou , Yanjun Jiang
{"title":"Electrocatalytic NAD(P)H regeneration for biosynthesis","authors":"Yaoxuan Li ,&nbsp;Guanhua Liu ,&nbsp;Weixi Kong ,&nbsp;Suoqing Zhang ,&nbsp;Yuemei Bao ,&nbsp;Hao Zhao ,&nbsp;Lihui Wang ,&nbsp;Liya Zhou ,&nbsp;Yanjun Jiang","doi":"10.1016/j.gce.2023.02.001","DOIUrl":"10.1016/j.gce.2023.02.001","url":null,"abstract":"<div><p>The highly efficient chemoselectivity, stereoselectivity, and regioselectivity render enzyme catalysis an ideal pathway for the synthesis of various chemicals in broad applications. While the cofactor of an enzyme is necessary but expensive, the conversed state of the cofactor is not beneficial for the positive direction of the reaction. Cofactor regeneration using electrochemical methods has the advantages of simple operation, low cost, easy process monitoring, and easy product separation, and the electrical energy is green and sustainable. Therefore, bioelectrocatalysis has great potential in synthesis by combining electrochemical cofactor regeneration with enzymatic catalysis. In this review, we detail the mechanism of cofactor regeneration and categorize the common electron mediators and enzymes used in cofactor regeneration. The reaction type and the recent progress are summarized in electrochemically coupled enzymatic catalysis. The main challenges of such electroenzymatic catalysis are pointed out and future developments in this field are foreseen.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"5 1","pages":"Pages 1-15"},"PeriodicalIF":0.0,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952823000055/pdfft?md5=ae391dc8b9665dab1e6e631775ff70c7&pid=1-s2.0-S2666952823000055-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41552153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Highly efficient catalyzed by imidazolium-based dual-sulfonic acid functionalized ionic liquids for liquid phase Beckmann rearrangement: experiments and COSMO-RS calculations 咪唑基双磺酸官能化离子液体高效催化液相贝克曼重排:实验和 COSMO-RS 计算
Green Chemical Engineering Pub Date : 2023-01-12 DOI: 10.1016/j.gce.2023.01.002
Xin Guo , Zhiyuan Wang , Ye Yang , Jiahui Zhang , Yanduo Liu , Zhiyuan Mu , Siqi Jiang , Chunxiao Ren , Dan Lv , Yufeng Hu , Zhichang Liu
{"title":"Highly efficient catalyzed by imidazolium-based dual-sulfonic acid functionalized ionic liquids for liquid phase Beckmann rearrangement: experiments and COSMO-RS calculations","authors":"Xin Guo ,&nbsp;Zhiyuan Wang ,&nbsp;Ye Yang ,&nbsp;Jiahui Zhang ,&nbsp;Yanduo Liu ,&nbsp;Zhiyuan Mu ,&nbsp;Siqi Jiang ,&nbsp;Chunxiao Ren ,&nbsp;Dan Lv ,&nbsp;Yufeng Hu ,&nbsp;Zhichang Liu","doi":"10.1016/j.gce.2023.01.002","DOIUrl":"https://doi.org/10.1016/j.gce.2023.01.002","url":null,"abstract":"<div><p>A production technique with the high yield and environmentally friendly process need be developed for ε-Caprolactam (CPL) in the chemical industry. This technology is highly desired to design and synthesize high−performance catalysts for liquid phase Beckmann rearrangement of cyclohexanone oxime (CHO) to CPL. In this work, 3-methyl-1-(propyl-4-sulfonyl) imidazolium methanesulfonate ([PHSO<sub>3</sub>MIM][MSA]) with highly efficient and excellent yield is synthesized successfully. When the optimum molar ratio of ZnCl<sub>2</sub> over [PHSO<sub>3</sub>MIM][MSA] was 0.02, it exhibits the high selectivity (94%) of CPL at 90 °C for 1 h. Interestingly, Fourier-transform infrared (FT-IR) investigations show that the functional Brønsted−Lewis acidic types of ionic liquids (ILs) are formed by the uniformly distributed ZnCl<sub>2</sub> and [PHSO<sub>3</sub>MIM][MSA]. In addition, the hydrogen bond (H-bond) is formed between CHO and ILs. After ten reaction cycles, no significant structure changes are observed in the recovered [PHSO<sub>3</sub>MIM][MSA]·ZnCl<sub>2</sub>. The solubilities of ILs are predicted by using COSMO-RS model, the results show that [PHSO<sub>3</sub>MIM][MSA] is a promising candidate for the liquid phase Beckmann rearrangement of CHO into CPL. Finally, a theoretical model of the H-bond interactions between ILs and CHO is further confirmed to support the advance of reaction mechanism. A feasible way is provided for the CPL production technique in the liquid phase Beckmann rearrangement reaction.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"5 1","pages":"Pages 108-118"},"PeriodicalIF":0.0,"publicationDate":"2023-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266695282300002X/pdfft?md5=002bb455dd31b2676ca2f2054ad8ab83&pid=1-s2.0-S266695282300002X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139549739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A systematic COSMO-RS study on mutual solubility of ionic liquids and C6-hydrocarbons 关于离子液体和 C6-烃类互溶性的 COSMO-RS 系统研究
Green Chemical Engineering Pub Date : 2022-12-02 DOI: 10.1016/j.gce.2022.11.002
Chuxin Qi, Zhen Song, Hongye Cheng, Lifang Chen, Zhiwen Qi
{"title":"A systematic COSMO-RS study on mutual solubility of ionic liquids and C6-hydrocarbons","authors":"Chuxin Qi,&nbsp;Zhen Song,&nbsp;Hongye Cheng,&nbsp;Lifang Chen,&nbsp;Zhiwen Qi","doi":"10.1016/j.gce.2022.11.002","DOIUrl":"https://doi.org/10.1016/j.gce.2022.11.002","url":null,"abstract":"<div><p>When considering the usage of ionic liquids (ILs) for reactions and separations involving non-polar or weak-polar hydrocarbons, the knowledge of the mutual solubility behaviors of ILs and hydrocarbons is of the utmost importance. In this work, taking four typical C6-hydrocarbons namely benzene, cyclohexene, cyclohexane, and hexane as representatives, the mutual solubility of ILs and non-polar or weak-polar hydrocarbons are systematically studied based on the COSMO-RS model. The reliability of COSMO-RS for these systems is first evaluated by comparing experimental and predicted hydrocarbon-in-IL activity coefficient at infinite dilution and binary/ternary liquid-liquid equilibria of related systems. Then, the mutual solubility of the four hydrocarbons and 13,650 ILs (composed by 210 cations and 65 anions) are predicted. The effect of different IL structural characteristics including alkyl chain length, cation family/symmetry/functional group, and anion on the IL-hydrocarbon mutual solubility behaviors are further analyzed by the analyses of interaction energy and screen charge distribution. The mutual solubility databases and the structural effects identified thereon could provide useful guidance for IL selection in related applications.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"5 1","pages":"Pages 97-107"},"PeriodicalIF":0.0,"publicationDate":"2022-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952822000887/pdfft?md5=10ec0d5da4b44c66a1d5e244ed4b0e92&pid=1-s2.0-S2666952822000887-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139549738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fe-doped and sulfur-enriched Ni3S2 nanowires with enhanced reaction kinetics for boosting water oxidation 掺铁富硫Ni3S2纳米线促进水氧化的动力学研究
Green Chemical Engineering Pub Date : 2022-12-01 DOI: 10.1016/j.gce.2021.12.012
Liyue Zhang , Qiucheng Xu , Rukai Zhao , Yanjie Hu , Hao Jiang , Chunzhong Li
{"title":"Fe-doped and sulfur-enriched Ni3S2 nanowires with enhanced reaction kinetics for boosting water oxidation","authors":"Liyue Zhang ,&nbsp;Qiucheng Xu ,&nbsp;Rukai Zhao ,&nbsp;Yanjie Hu ,&nbsp;Hao Jiang ,&nbsp;Chunzhong Li","doi":"10.1016/j.gce.2021.12.012","DOIUrl":"10.1016/j.gce.2021.12.012","url":null,"abstract":"<div><p>Exploring cost-effective and highly-active oxygen evolution reaction (OER) electrocatalysts is a pressing task to propel water electrolysis for green hydrogen production. Herein, we constructed a class of Fe-doped and S-enriched Ni<sub>3</sub>S<sub>2</sub> nanowires electrocatalysts for optimizing the target intermediates adsorption to decrease the OER overpotentials at various current densities. The optimal Ni<sub>3</sub>S<sub>2</sub>-1.4%Fe electrocatalyst possesses the most active sites and exhibits an ultralow overpotential of 190 mV at 10 mA cm<sup>−2</sup> with an excellent stability of &gt; 60 h, exceeding the majority of recently-reported Ni<sub>3</sub>S<sub>2</sub>-based electrocatalysts. The trivalence Fe-doping not only reduces the electron density of the Ni center, but also enables the sulfur enrichment on the Ni<sub>3</sub>S<sub>2</sub> surface, which greatly improves the intrinsic activity and the number of target intermediates (∗OOH). A novel methanol-assisted electrochemical evaluation further reveals that the Ni<sub>3</sub>S<sub>2</sub>-1.4%Fe electrocatalyst demonstrates a weaker binding ability to ∗OH with the rapid generation of ∗OOH species, and thus gives a lower apparent activation energy compared with the surface sulfur reduced ones. This work provides a new perspective for regulating the adsorption of intermediates through doping strategy.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"3 4","pages":"Pages 367-373"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952821001023/pdfft?md5=91e6dcb034b0fdcaabf68920c31edc93&pid=1-s2.0-S2666952821001023-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43334525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Facile synthesis of N-doped graphene encapsulated Ni@N/C catalyst and its catalysis for highly selective semi-hydrogenation of alkynes n掺杂石墨烯封装Ni@N/C催化剂的简易合成及其对炔烃高选择性半加氢的催化作用
Green Chemical Engineering Pub Date : 2022-12-01 DOI: 10.1016/j.gce.2022.01.003
Jianguo Liu , Jiangmin Sun , Thishana Singh , Shanshan Lin , Longlong Ma
{"title":"Facile synthesis of N-doped graphene encapsulated Ni@N/C catalyst and its catalysis for highly selective semi-hydrogenation of alkynes","authors":"Jianguo Liu ,&nbsp;Jiangmin Sun ,&nbsp;Thishana Singh ,&nbsp;Shanshan Lin ,&nbsp;Longlong Ma","doi":"10.1016/j.gce.2022.01.003","DOIUrl":"10.1016/j.gce.2022.01.003","url":null,"abstract":"<div><p>Although precious transition metals such as palladium, platinum, and iridium are widely used in hydrogenation reactions, the earth-abundant transition metal-catalyzed highly selective semi-hydrogenation of terminal alkynes to terminal alkenes remains poorly developed and a challenge. Herein we demonstrate the excellent selective, cost-effective semi-hydrogenation of terminal alkynes <em>via</em> a novel graphene encapsulated Ni@N/C catalyst. The graphene layer encapsulated nano-catalyst Ni@N/C could significantly avoid metal leaching and improve the stability of the catalyst. The strong interaction of nitrogen with the Ni nanoparticles regulates the activity of Ni towards selective semi-hydrogenation of terminal alkynes. Substrates having un-functionalized as well as functionalized substituents, and substrates having sensitive functional groups (olefins, ketones) which pose a challenge to hydrogenate, were semi-hydrogenated with excellent conversion (up to 99%) and selectivity (up to 99%) under optimized reaction conditions.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"3 4","pages":"Pages 395-404"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952822000115/pdfft?md5=bc271c94a8928d698ea05ca9484141d0&pid=1-s2.0-S2666952822000115-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49324502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Outside Back Cover 外封底
Green Chemical Engineering Pub Date : 2022-12-01 DOI: 10.1016/S2666-9528(22)00079-6
{"title":"Outside Back Cover","authors":"","doi":"10.1016/S2666-9528(22)00079-6","DOIUrl":"https://doi.org/10.1016/S2666-9528(22)00079-6","url":null,"abstract":"","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"3 4","pages":"Page OBC"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952822000796/pdfft?md5=1df1aca87dcb21423442b89856a7d62a&pid=1-s2.0-S2666952822000796-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137314943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MgO/Carbon nanocomposites synthesized in molten salts for catalytic isomerization of glucose to fructose in aqueous media 熔融盐法合成MgO/碳纳米复合材料,用于葡萄糖在水介质中催化异构化成果糖
Green Chemical Engineering Pub Date : 2022-12-01 DOI: 10.1016/j.gce.2021.12.008
Yuchao Shao , Dong-Yang Zhao , Wenjing Lu , Yuyang Long , Weicheng Zheng , Jun Zhao , Zhong-Ting Hu
{"title":"MgO/Carbon nanocomposites synthesized in molten salts for catalytic isomerization of glucose to fructose in aqueous media","authors":"Yuchao Shao ,&nbsp;Dong-Yang Zhao ,&nbsp;Wenjing Lu ,&nbsp;Yuyang Long ,&nbsp;Weicheng Zheng ,&nbsp;Jun Zhao ,&nbsp;Zhong-Ting Hu","doi":"10.1016/j.gce.2021.12.008","DOIUrl":"10.1016/j.gce.2021.12.008","url":null,"abstract":"<div><p>Isomerization of glucose into fructose has always been an important step in the biorefining process. This study synthesized a novel Mg-decorated carbonaceous catalyst by molten salt method for the application of glucose isomerization. The morphology of carbon microspheres was formed with high specific surface area and pore volume. The effects of Mg loading, catalyst dosage, reaction temperature, and reaction time were investigated and optimized. The highest fructose yield of 34.58% and fructose selectivity of 81.17% were achieved by the catalyst named Mg<sub>(</sub><sub>100mg</sub><sub>)</sub>/Carbon at hydrothermal temperature of 100 °C with reaction time of 1.5–2 h, showing the superiority of the catalyst. The results of recycling tests indicated Mg<sub>(100mg)</sub>/Carbon has good recyclability and can restore its activity after a simple regeneration. And the possible mechanism of glucose isomerization by Mg<sub>(100mg)</sub>/Carbon was indicated. This study provided a new method for overcoming the difficulty of high energy barrier required for glucose isomerization in the biorefining process.</p></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"3 4","pages":"Pages 359-366"},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666952821000984/pdfft?md5=ecf53681107bc8be7c3eb8b0ca417466&pid=1-s2.0-S2666952821000984-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49408663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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