以硫酸化SnO2和硫酸化SnO2/Hβ为非均相催化剂，选择性双脱水山梨醇制异山梨脂

IF 3.5 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Research on Chemical Intermediates Pub Date : 2025-02-22 DOI:10.1007/s11164-025-05533-4

Jay B. Trivedi, Paresh H. Rana

{"title":"以硫酸化SnO2和硫酸化SnO2/Hβ为非均相催化剂，选择性双脱水山梨醇制异山梨脂","authors":"Jay B. Trivedi, Paresh H. Rana","doi":"10.1007/s11164-025-05533-4","DOIUrl":null,"url":null,"abstract":"<div><p>Liquid phase dehydration of sorbitol in a solvent-free environment is carried out to examine catalytic activities of sulfated tin oxides (STO) and STO/Hβ catalysts. The catalysts were prepared by wet impregnation method and characterized by XRD, FTIR, TEM, N<sub>2</sub> physisorption, NH<sub>3</sub>-TPD. Prepared catalysts were examined at different temperatures and various catalysts loading. Under optimized reaction conditions (temperature −220 °C, reaction time −3 h), both STO and STO/Hβ catalysts demonstrated complete conversion of sorbitol, achieving isosorbide selectivity of 66% and 87%, respectively. This may be due to higher surface area and high Bronsted acid sites of catalysts. Catalyst reusability was checked for 4 cycles and it was found that conversion remains intact and only minor change in selectivity of isosorbide was observed.</p></div>","PeriodicalId":753,"journal":{"name":"Research on Chemical Intermediates","volume":"51 4","pages":"1935 - 1949"},"PeriodicalIF":3.5000,"publicationDate":"2025-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Selective double dehydration of sorbitol to isosorbide using sulfated SnO2 and sulfated SnO2/Hβ as heterogeneous catalyst\",\"authors\":\"Jay B. Trivedi, Paresh H. Rana\",\"doi\":\"10.1007/s11164-025-05533-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Liquid phase dehydration of sorbitol in a solvent-free environment is carried out to examine catalytic activities of sulfated tin oxides (STO) and STO/Hβ catalysts. The catalysts were prepared by wet impregnation method and characterized by XRD, FTIR, TEM, N<sub>2</sub> physisorption, NH<sub>3</sub>-TPD. Prepared catalysts were examined at different temperatures and various catalysts loading. Under optimized reaction conditions (temperature −220 °C, reaction time −3 h), both STO and STO/Hβ catalysts demonstrated complete conversion of sorbitol, achieving isosorbide selectivity of 66% and 87%, respectively. This may be due to higher surface area and high Bronsted acid sites of catalysts. Catalyst reusability was checked for 4 cycles and it was found that conversion remains intact and only minor change in selectivity of isosorbide was observed.</p></div>\",\"PeriodicalId\":753,\"journal\":{\"name\":\"Research on Chemical Intermediates\",\"volume\":\"51 4\",\"pages\":\"1935 - 1949\"},\"PeriodicalIF\":3.5000,\"publicationDate\":\"2025-02-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Research on Chemical Intermediates\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11164-025-05533-4\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research on Chemical Intermediates","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s11164-025-05533-4","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}

引用次数: 0

摘要

在无溶剂环境下对山梨糖醇进行了液相脱水，考察了硫酸氧化锡（STO）和STO/Hβ催化剂的催化活性。采用湿浸渍法制备了催化剂，并用XRD、FTIR、TEM、N2物理吸附、NH3-TPD对催化剂进行了表征。对制备的催化剂在不同温度和不同负载条件下进行了表征。在优化的反应条件下（温度- 220℃，反应时间- 3 h）， STO和STO/ h β催化剂均能完全转化山梨醇，异山梨醇选择性分别达到66%和87%。这可能是由于催化剂的高表面积和高Bronsted酸位。催化剂可重复使用4次循环，发现转化率保持不变，异山梨酯的选择性仅发生微小变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

摘要图片

查看原文

微信好友朋友圈 QQ好友复制链接

本刊更多论文

Selective double dehydration of sorbitol to isosorbide using sulfated SnO2 and sulfated SnO2/Hβ as heterogeneous catalyst

Liquid phase dehydration of sorbitol in a solvent-free environment is carried out to examine catalytic activities of sulfated tin oxides (STO) and STO/Hβ catalysts. The catalysts were prepared by wet impregnation method and characterized by XRD, FTIR, TEM, N₂ physisorption, NH₃-TPD. Prepared catalysts were examined at different temperatures and various catalysts loading. Under optimized reaction conditions (temperature −220 °C, reaction time −3 h), both STO and STO/Hβ catalysts demonstrated complete conversion of sorbitol, achieving isosorbide selectivity of 66% and 87%, respectively. This may be due to higher surface area and high Bronsted acid sites of catalysts. Catalyst reusability was checked for 4 cycles and it was found that conversion remains intact and only minor change in selectivity of isosorbide was observed.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Research on Chemical Intermediates 化学-化学综合

CiteScore

5.70

自引率

18.20%

发文量

229

审稿时长

2.6 months

期刊介绍： Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of chemistry. The journal also contains articles in related disciplines such as spectroscopy, molecular biology and biochemistry, atmospheric and environmental sciences, catalysis, photochemistry and photophysics. In addition, special issues dedicated to specific topics in the field are regularly published.