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xuqiong(½ð±Ò+10): ¡ïÓаïÖú лл£¡Ïȳêл10±Ò±Ò°É¡£ISTPÓÐûÓÐÊÕÂ¼ÄØ£¿ 2012-02-09 01:31:23
xuqiong(½ð±Ò+10): ¡ïÓаïÖú лл£¡Ïȳêл10±Ò±Ò°É¡£ISTPÓÐûÓÐÊÕÂ¼ÄØ£¿ 2012-02-09 01:31:23
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Accession number: 20112314025848 Title: Preparation and catalytic performances of glucose char sulfonic acids Authors: Xu, Qiong1 ; Yin, Du Lin1 ; Xia, Yue1 Author affiliation: 1 College of Chemistry and Chemical Engineering, Key Lab. of Resources Fine-Processing and Advanced Materials of Hunan Province, Hunan Normal University, Lushan road, Changsha, 410081, China Corresponding author: Xu, Q. Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 236-238 Monograph title: Application of Chemical Engineering Issue date: 2011 Publication year: 2011 Pages: 112-115 Language: English ISSN: 10226680 ISBN-13: 9783037851210 Document type: Conference article (CA) Conference name: 2011 International Conference on Chemical Engineering and Advanced Materials, CEAM 2011 Conference date: May 28, 2011 - May 30, 2011 Conference location: Changsha, China Conference code: 84977 Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: A series of glucose char sulfonic acids (GCSA) were prepared via a two-step procedure involving sulfuric acid catalytic charring of glucose and successively sulfonation. GCSA prepared in this new route possess high sulfonic acid loading, and acid capacity of GCSA-2 reaches as high as 2.60 mmol g -1 at charring conditions of sulfuric acid being 80%, ratio of glucose and sulfuric acid being 1:8, charring time being 3 h, charring temperature being 80 ¡ãC. All GCSA were found to be active in the esterification between n-butanol and acetic acid. GCSA-2 behaved with good activity with 95.6% conversion and 100% ester selectivity. © (2011) Trans Tech Publications. Number of references: 16 Main heading: Sulfuric acid Controlled terms: Acetic acid - Chemical engineering - Esterification - Esters - Glucose Uncontrolled terms: Acid capacity - Catalytic charring - Catalytic performance - N-butanol - Preparation - Sulfonic acid - Two-step procedure Classification code: 802.2 Chemical Reactions - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 805.1 Chemical Engineering DOI: 10.4028/www.scientific.net/AMR.236-238.112 Database: Compendex |
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