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首页> 外文期刊>International journal of sustainable engineering >Synthesis of biodiesel from chicken's skin waste by homogeneous transesterification
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Synthesis of biodiesel from chicken's skin waste by homogeneous transesterification

机译：通过均匀酯交换用鸡皮浪费合成生物柴油

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摘要

Poultry skin waste is considered to be a promising source of biodiesel. However, this source presents an environmental threat as it is being discharged into landfills without any treatment. We studied the feasibility of biodiesel production from poultry skin waste. Two-step extraction of lipids from chicken's skin was developed and gave 97.5% yield using the optimum time and temperature. Esterification was then optimised to remove free fatty acids (FFA) where the ideal parameters were 65 °C during 30min with a molar ratio of methanol to oil of (1:3) and 1% of H2S04. The third step was the transesterifkation which was performed using 60 °C and 300-600 rpm agitation for 1 h, with 1% basic catalyst and 1:3 (molar ratio) of methanol to oil. The biodiesel (FAME), was characterised using gas chromatography coupled with mass spectrometry (GC-MS) followed by chemical and physical analyses such as iodine number, acid number, flash point and cetane number. The total conversion was obtained using above conditions and most of the studied proprieties of produced biodiesel meet the EN14214 standard. This is an extremely encouraging result, offering a good source of biodiesel by valuing poultry skin waste.
机译：家禽皮肤废物被认为是生物柴油的有希望的来源。然而，该来源呈现出环境威胁，因为它被排放到垃圾填埋场没有任何治疗。我们研究了生物柴油生产从家禽皮肤浪费的可行性。从鸡皮的皮肤上进行两步提取脂质，使用最佳时间和温度产生97.5％的产率。然后优化酯化以除去游离脂肪酸（FFA），其中在30min期间，理想参数为65℃，甲醇的摩尔比为（1：3）和1％的H2SO 4。第三步是使用60℃和300-600rpm搅拌进行1小时进行的过磷酸盐，其中1％碱性催化剂和1：3（摩尔比）的甲醇。使用与质谱（GC-MS）偶联的气相色谱，然后进行化学和物理分析，如碘数，酸值，闪点和十六烷数，表征生物柴油（FAME）。使用上述条件获得总转化率，并且生产的生物柴油的大部分专用符合EN14214标准。这是一个非常令人鼓舞的结果，通过评估家禽皮肤浪费来提供生物柴油的良好来源。

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