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Lou, W.Y., Zong, M.H. and Duan, Z.Q. (2008) Efficient Production of Biodiesel from High Free Fatty Acid-Con- taining Waste Oils Using Various Carbohydrate-Derived Solid Acid Catalysts. Bioresource Technology, 99, 8752-8758.
http://dx.doi.org/10.1016/j.biortech.2008.04.038

has been cited by the following article:

• TITLE: Preparation, Characterization and Catalytic Activity of Alkyl Benzene Sulfonic Acid Carbon-Based Acid Catalyst

  AUTHORS: Huoxin Luan, Yunqiang Wu, Wenxiang Wu, Quansheng Chen, Hailing Zhang, Kang Liu, Guangmiao Qu, Wei Ding

  KEYWORDS: Alkyl Benzene Sulfonic Acid, Carbon-Based Solid Acid Catalyst, Esterification

  JOURNAL NAME: Journal of Surface Engineered Materials and Advanced Technology, Vol.5 No.2, March 31, 2015

  ABSTRACT: Based on starch and series of alkyl benzene sulfonic acid as the materials, a novel carbon-based solid acid catalyst is synthesized using hydrothermal method. This catalyst exhibits much higher catalytic activity in the reaction of esterification of Mono-fatty alcohol polyoxyethylene maleate esters with 1,4-butanediol. The structure of carbon-based solid acid catalyst was charactered by IR and XRD, characterizations showed that this catalyst exhibited high –SO3H loading. Reusability of the carbon-based solid acid catalyst for esterification showed that after recycling five times the activity remained unchanged.