OPTIMIZATION AND EVALUATION OF BIODIESEL QUALITY PRODUCED FROM CATTLE FAT USING CaO/Al2O3 AS CATALYST

IF 2.4 Q3 CHEMISTRY, MULTIDISCIPLINARY Moroccan Journal of Chemistry Pub Date : 2021-02-14 DOI:10.48317/IMIST.PRSM/MORJCHEM-V9I1.17260
A. Garba
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引用次数: 3

Abstract

Biodiesel was produced from cattle fat, In transesterification method usingCaO and Al 2 O 3 ascatalyst. The catalyst was also characterized by XRD pattern, SEM and FTIR analysis. Response Surface Methodology using Central Composite Design (CCD) was used to determine the optimum operating conditions for the biodiesel yield.   The result showed that catalyst CaO/Al 2 O 3 give maximum biodiesel yield of 99.37% with methanol to oil ratio, catalyst dosage and reaction temperature of (10.5:1), (3.5) and (50 0 C) respectively. The fuel parameters of the biodiesel produced and its blend are close to commercially available petrol diesel, indicating that the two could be blended together in order to minimize the environmental effects of the petroleum diesel. The fatty acid methyl ester (FAME) composition of the biodiesels was determined using Gas Chromatography coupled with Mass Spectrophotometer (GC-MS). The fatty acid methyl esters (FAMEs) profile indicates that the dominants compounds in biodiesel are ester compounds. The thermodynamic and kinetics of the biodiesel produced was investigated to check the feasibility, order of the biodiesel. It was found to be non-spontaneous and endergonic. The biodiesel and its blend quality were asses using and it was found out to be low in B 100 but high in B 20 indicating that the biodiesel produced from waste cattle fat have high quality and can be used for engines.
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以CaO/Al2O3为催化剂的牛油生物柴油质量优化与评价
以牛脂肪为原料,以cao和al2o3为催化剂,采用酯交换法制备生物柴油。并用XRD、SEM和FTIR对催化剂进行了表征。采用中心复合设计(CCD)响应面法确定了生物柴油产率的最佳操作条件。结果表明,在甲醇油比、催化剂用量和反应温度分别为(10.5:1)、(3.5)和(50 0℃时,CaO/ al2o3催化剂的生物柴油产率可达99.37%。生产的生物柴油及其混合燃料的燃料参数接近市售汽油柴油,表明两者可以混合在一起,以尽量减少石油柴油对环境的影响。采用气相色谱-质谱联用(GC-MS)法测定生物柴油的脂肪酸甲酯(FAME)组成。脂肪酸甲酯(FAMEs)谱图表明,生物柴油中的主要化合物是酯类化合物。对所制生物柴油的热力学和动力学进行了研究,以验证该生物柴油的可行性和顺序。它是非自发的,是自能的。对所制备的生物柴油及其混合质量进行了评价,发现b100含量低,b20含量高,表明用废牛脂肪制备的生物柴油质量好,可用于发动机。
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来源期刊
Moroccan Journal of Chemistry
Moroccan Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
3.40
自引率
9.10%
发文量
0
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