Biodiesel production from green seaweed Ulva fasciata catalyzed by novel waste catalysts from Pakistan Steel Industry

作     者：Abdul Majeed Khan Noureen Fatima Muhammad Shoukat Hussain Kousar Yasmeen 

作者机构：Research Laboratory of Bioenergy (RLB) Department of Chemistry Federal Urdu University of Arts Science and Technology Gulshan-e-Iqbal Campus 

出 版 物：《Chinese Journal of Chemical Engineering》 (中国化学工程学报（英文版）)

年 卷 期：2016年第24卷第8期

页      面：1080-1086页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

基　　金：the Higher Education Commission of Pakistan for the provision of scholarship to Noureen Fatima through Indigenous Ph.D. 5000 Fellowship Program (117-3083-PS7-208 50018488) 

主　　题：Ulva fasciata Waste catalysts Thermal treatment Metal oxides and fuel properties 

摘      要：This research article is based on the biodiesel synthesis from the marine green macroalga Ulva fasciata, collected from the coast of Karachi, Pakistan using new and the most potential waste catalysts from Pakistan Steel *** oil was extracted with n-hexane then it was analyzed by GC, TLC and by the examination of fuel *** metal analysis of catalysts was carried out by chemical tests and flame atomic absorption spectroscopy(FAAS). The thermal treatment of catalysts at 1500–1700 °C during various processes in steel manufacturing industry converted the metals to metal oxides. The presence of CaO, MgO and ZnO in these catalysts made them highly reactive for biodiesel synthesis. The basicity of waste industrial catalysts was calculated to know their basic strength. The transesterification of U. fasciata oil was performed by fast stirring using 9:1 molar ratio of methanol/oil in the presence of seven different waste industrial catalysts for 6 h at 80–100 °C. The solid catalysts were easily separated from product for re-use. In addition, the rate of reaction in the presence of these catalysts was found to be quite feasible. The waste brown dust from the steel converter gave the highest yield(88%) of biodiesel. The production of biodiesel was confirmed by TLC examination and fuel properties in comparison with the ASTM standards.