화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.40, 145-151, August, 2016
DOI10.1016/j.jiec.2016.06.018  Export Citation
Aldol condensation of acetic acid with formaldehyde to acrylic acid over SiO2-, SBA-15-, and HZSM-5-supported V-P-O catalysts
Jing Hu, Zhipeng Lu, Hengbo Yin†, Wuping Xue, Aili Wang, Lingqin Shen, and Shuxin Liu1
  • Faculty of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
  • 1School of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang 621000, China
E-mail:
Aldol condensation of acetic acid with formaldehyde to acrylic acid was catalyzed by the SiO2-, SBA-15-,and HZSM-5-supported vanadium phosphorous oxide (V-P-O) catalysts prepared by the incipient wetness impregnation. The supports obviously increased the surface areas and changed the acid.base properties of the as-prepared catalysts. V-P-O/SBA-15 catalysts with high acid and alkali quantities exhibited high catalytic activities for the aldol condensation of acetic acid with formaldehyde to acrylic acid. When the V-P-O/SBA-15 catalyst with the P/V mole ratio of 2.0:1 catalyzed the reaction at 330. 370 ℃, the acrylic acid selectivities were 90.8-70.2% at the formaldehyde conversions of 14.3-68.7%.
Keywords:Acrylic acid;Acetic acid;Formaldehyde;Vanadium phosphorous oxide catalysts
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