文献详情
Function promotion of SO42-/Al2O3-SnO2 catalyst for biodiesel production from sewage sludge
文献类型：期刊
通讯作者：Zhu, FF (reprint author), Renmin Univ China, Sch Environm & Nat Resources, Dept Environm Engn, 59 Zhongguancun St, Beijing 100872, Peoples R China.
期刊名称：RENEWABLE ENERGY影响因子和分区
年：2020
卷：147
页码：275-283
ISSN：0960-1481
关键词：Sewage sludge; SO42-/Al2O3-SnO2; Biodiesel
所属部门：环境学院
摘要：Catalysts are critical materials for biodiesel production using sewage sludge feedstock. In this research, different SO42-/Al2O3-SnO2 catalysts were prepared and characterized. The catalysts prepared at different conditions were characterized through Brunauer-Emmett-Teller (BET), X-ray diffraction (XRD), NH3 temperature-programmed desorption (NH3-TPD), NH3 adsorption FT-IR, and TGA. Then, esterification/transesterification reaction was performed with the lipid extracted from sewage sludge to ver ...More
Catalysts are critical materials for biodiesel production using sewage sludge feedstock. In this research, different SO42-/Al2O3-SnO2 catalysts were prepared and characterized. The catalysts prepared at different conditions were characterized through Brunauer-Emmett-Teller (BET), X-ray diffraction (XRD), NH3 temperature-programmed desorption (NH3-TPD), NH3 adsorption FT-IR, and TGA. Then, esterification/transesterification reaction was performed with the lipid extracted from sewage sludge to verify the activity of these catalysts. Results showed that the catalysts with n(Al):n(Sn) = 1:10 prepared by 79 wt% H2SO4 possessed the best physical properties with a large number of active catalytic sites, which led to the biodiesel yield of 73.3% (based on dried extracted crude fat) under the optimized reaction conditions at 130 degrees C as reaction temperature, 0.8 g as catalyst loading for lipids extracted from 10 g freeze-dried sludge, 4 h as reaction time. Catalysts characterization results showed that acidity, acid sites and Al/Sn molar ratio play an important role in the activity of catalysts. The thermal properties showed that 450 degrees C was the suitable calcination temperature for catalyst preparation. The optimized SO42-/Al2O3-SnO2 catalyst in this research will have a bright future in the field of sludge production of biodiesel. (C) 2019 Elsevier Ltd. All rights reserved. ...Hide

DOI：10.1016/j.renene.2019.08.141
百度学术：Function promotion of SO42-/Al2O3-SnO2 catalyst for biodiesel production from sewage sludge
语言：外文
人气指数：2
浏览次数：2
基金：Beijing Natural Science FoundationBeijing Natural Science Foundation [8172029]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51308538]
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