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论文

Biodiesel production direct from high acid value oil with a novel magnetic carbonaceous acid 

 
论文编号:
作者: Zhang F
刊物名称: Applied Energy
所属学科:
论文题目英文: Biodiesel production direct from high acid value oil with a novel magnetic carbonaceous acid
年: Jun 2015
卷: 155
期:
页: 637-647
联系作者: Fang Z
收录类别:
影响因子: 5.613
参与作者:
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摘要:

A novel magnetic carbonaceous acid catalyst was synthesized from glucose and iron chloride by a new method of double hydrothermal precipitation at 180 and pyrolysis at 400–800, and subsequent sulfonation at 150. Its crystalline phases, magnetic saturation (Ms), morphology, specific surface area, pore volume, functional groups, thermal stability, elemental composition and total acid density were analyzed with various techniques. It was found that catalyst carbonized at 600(AC-600-SO3H@Fe/C) had high acid density (2.79 mmol/g) and strong magnetism (Ms: 14.4 Am2/kg) for direct production of biodiesel from Jatropha oil with high acid value (17.2 mg KOH/g) by single-factor optimization. With the catalyst, 90.5% biodiesel yield was achieved at 200with 3 cycles (>90% yield) and 96.3% catalyst recovery rate. The magnetic catalyst directly esterified and transesterified high acid value oil without pretreatment with high biodiesel yield and easily separated for three recycles with little deactivation. It could also find other applications such as pretreatment of oils with high AV and hydrolysis of biomass. 

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