响应面法优化棕榈仁壳灰负载KOH催化剂从废弃食用棕榈油中制备FAME

IF 1.3 4区 农林科学 Q2 Agricultural and Biological Sciences Journal of Oil Palm Research Pub Date : 2023-02-08 DOI:10.21894/jopr.2023.0005
H. Sukkathanyawat
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引用次数: 1

摘要

以废弃食用棕榈油(WCPO)为原料,采用KOH催化剂负载在棕榈仁壳灰(PKSA)上制备脂肪酸甲酯(FAME)。采用基于Box-Behnken设计的响应面法(RSM)对实验进行了设计,并对催化剂用量、KOH负载量和甲醇与油摩尔比三个参数进行了分析。结果表明,催化剂的活性取决于催化剂的碱度。统计模型预测,在65℃的温度下,在催化剂用量为15wt%、KOH负载量为20wt%和甲醇油比为11.39:1的优化参数下,获得了96.73%的最高产率。在92.74%的预测条件下进行的实验表明,RSM是生产生物柴油的准确方法。采用气相色谱-质谱联用技术对生物柴油的化学成分进行了鉴定。催化剂重复使用试验证实,合成的催化剂可重复使用3次。结果表明,废弃食用棕榈油可以完全转化为甲酯。本研究表明,以棕榈仁壳灰为载体的KOH是将废弃食用棕榈油转化为生物柴油的有效催化剂。
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OPTIMISATION OF FAME PRODUCTION FROM WASTE COOKING PALM OIL WITH KOH CATALYST SUPPORTED ON PALM KERNEL SHELLS ASH (PKSA) USING RESPONSE SURFACE METHODOLOGY (RSM)
Fatty acid methyl ester (FAME) was produced from waste cooking palm oil (WCPO) using KOH catalyst supported on palm kernel shells ash (PKSA). Response surface methodology (RSM) based on Box Behnken design (BBD) was used to design the experiment and analyse three parameters: Catalyst amount, KOH loading and methanol to oil molar ratio. The result found that the catalyst activity depended on basicity of the catalysts. The statistical model predicted that the highest yield of 96.73% was achieved with an optimised parameter of 15 wt.% catalyst amount, 20 wt.% of KOH loading and 11.39:1 methanol to oil ratio at the temperature of 65 o C. Experiments performed at the predicted condition yield of 92.74% suggest that the RSM is an accurate method for biodiesel production. The Gas Chromatography Mass Spectrometry (GC-MS) was used to identify the chemical composition of biodiesel. The catalyst reusability test verified that the synthesised catalyst could be reused up to 3 times. The results demonstrated that waste cooking palm oil can be completely transformed into methyl ester. This study indicates that KOH supported on palm kernel shell ash is an effective catalyst for the conversion of waste cooking palm oil to biodiesel.
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来源期刊
Journal of Oil Palm Research
Journal of Oil Palm Research 农林科学-食品科技
CiteScore
2.60
自引率
30.80%
发文量
69
审稿时长
>12 weeks
期刊介绍: JOURNAL OF OIL PALM RESEARCH, an international refereed journal, carries full-length original research papers and scientific review papers on various aspects of oil palm and palm oil and other palms. It also publishes short communications, letters to editor and reviews of relevant books. JOURNAL OF OIL PALM RESEARCH is published four times per year, i.e. March, June, September and December.
期刊最新文献
EXPERIMENTAL INVESTIGATIONS ON TRIBOLOGICAL ASSESSMENT AND NOx EMISSIONS OF PALM BIODIESEL BLENDED WITH OLEIC ACID AND ETHANOL MATERIAL CIRCULARITY INDICATOR FOR THAI OIL PALM INDUSTRY COMPOSITE OF ZnO/SBE AS CATALYST MATERIALS FOR PHOTODEGRADATION OF RHODAMINE-B SEDIMENT FORMATION IN A PALM OIL BIODIESEL BLEND IN A SHIP FUEL TANK INSECT COMMUNITY ASSOCIATED WITH Ganoderma BASIDIOCARPS IN OIL PALM PLANTATIONS OF SABAH
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