Effect of Glycerol Separation on Palm Oil Transesterification

Rahmat, Budy; Setiasih, Imas Siti; Kastaman, Roni

doi:10.22146/ijc.21339

Cited by 3 publications

(4 citation statements)

References 4 publications

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“…This calorific value is one of the most important parameters of biodiesel that provides the heat of combustion. The biodiesel quality from this parameter can also determine the qualifications in diesel fuel application [26]. In this study, calorific value of the biodiesel was found to be 7141.75 cal/g.…”

Section: Functional Materialsmentioning

confidence: 59%

Nanocatalysts of Sulfated Zirconia and Calcium Oxide/Zirconia for Microwave-Assisted Biodiesel Synthesis from Castor Oil

Andiena

Wijaya

Syoufian

2022

MSF

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Nanocatalysts of sulfated zirconia (SZ) and CaO/zirconia for microwave assisted-biodiesel synthesis from castor oil have been successfully prepared. The aim of the research was to determine the effectiveness and the selectivity of catalysts in biodiesel production. The sulfated zirconia catalyst was prepared by the wet impregnation method while the calcium oxide/zirconia catalyst was prepared through the wet impregnation by microwave-assisted method. The catalysts were used for the esterification and transesterification reaction with the highest acidity and the basicity value of 7.16 mmol NH3 g-1, 87.76 mmol HCl g-1, respectively. The acidity and basicity of the catalysts are directly related to the catalyst active site in the esterification and transesterification process. The results showed that catalyst 0.5 M SZ 500 and 1: 0.2 CaO/ZrO2 800 had excellent stability that can be seen from their high crystallinity and large surface area. The biodiesel products characterized by 1H-NMR, GC-MS and Bomb calorimeter also showed excellent results. After purification, 1H-NMR result shows the conversion of castor oil into methyl ester is close to 100%. This was supported by GC-MS where the highest area of methyl ester is 93.91% of methyl ricinoleate.

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Section: Functional Materialsmentioning

confidence: 59%

Nanocatalysts of Sulfated Zirconia and Calcium Oxide/Zirconia for Microwave-Assisted Biodiesel Synthesis from Castor Oil

Andiena

Wijaya

Syoufian

2022

MSF

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“…Minyak atau lemak yang berasal dari tumbuhan dan lemak hewan, serta produk turunannya mempunyai kemungkinan manfaat sebagai bahan baku energi terbarukan seperti pengganti bahan bakar diesel (Srivastava dan Prasad, 2000). Pada generasi sebelumnya, pencarian energi alternatif dilakukan dengan berbagai macam bahan baku diantaranya campuran VGO- (Bezergianni, ., 2009), (Kikhtyanin, ., 2009), (Rahmat, ., 2012) (Sibarani, ., 2007), (Yuswono, ., 2008) dan minyak jelantah (Padmaningsih, ., 2006) dan (Bezergianni, ., 2009). Bahan baku tersebut berasal dari minyak nabati yang banyak digunakan untuk manfaat lain, sehingga memberi dampak negatif dan berkompetisi bagi kebutuhan pangan.…”

Section: Abstrakunclassified

HIDRORENGKAH MINYAK LAKA MENGGUNAKAN KATALIS NiO/ZEOLIT ALAM AKTIF DAN NiOMoO/ZEOLIT ALAM AKTIF MENJADI FRAKSI BERPOTENSI ENERGI

Santi

Efiyanti

2014

j.penelit.has.kehutan

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Hydrocracking of cashew-nut shell liquid (CNSL) into energy-affording fractions has been investigated using catalyst of acid-acticated natural zeolite (ZAA), to which were further impregnated unimetal (NiO) and bimetal (NiOMoO) elements, thereby comprising two catalyst types (NiO/ZAA and NiOMoO/ZAA). This research aimed to examine how potential was the conversion of CNSL into energy-affording fractions, and to look into such metal imregnaton into ZAA catalyst on the performance of hydrocracking reaction. Catalyst characterization included determinig consecutively acidity using ammonia-base adsorption, and crystalinity using X-ray diffraction (XRD). Acid activation and metal impregnation increased the catalyst acidity and its crystalinity. The hydrocracking was carried out in a fixed-bed reactor employing the temperature 450 C, the CNSL feed/catalyst ratio of 6, and flow rate of H at 20 ml/minute. The hydrocracking converted the CNSL into products that comprised the liquid-phase, gas-phase, and solid-phase (cokes) fractions,, which in all afforded energy, and the conversion of each fraction was examined. The liquid-phase product was further analyzed using gas chromatography (GC), which revealed that the GC's eluted liquid fraction were predominantly gasoline, diesel oil, and heavy oil. Each eluted fraction was further examined for its selectivity based on the elucidated GC area for each fraction over the total GC area for the overall liquid fractions. The hydrocracking performed optimally using NiOMoO/ZAA catalysts. Which converted as much 75.42% (the greatest) of the CNSL as the liquid product, with also the greatest in selectivity towards gasoline and diesel-oil fraction at 38.45% and 19.87%, respectively. The impregnation of metal element, particularly bimetal (NiOMoO) into ZAA catalyst indicatively enhanced the hydrocracking performance.

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“…The relationship between the processing time (X-axis) and an increase in glycerol volume (Y-axis) follows the inverse model described elsewhere [9]. The curve shape is a nonlinear regression model or a reciprocal model, described as follows:…”

Section: Measurement Of Reactor Performancementioning

confidence: 99%

“…Rahmat et al [9] reported that separation of glycerol could compensate a decrease on methanol and process. The separation of glycerol was conducted as it would be separated easily based on the density.…”

Section: Measurement Of Reactor Performancementioning

confidence: 99%

Biodiesel Reactor Design with Glycerol Separation to Increase Biodiesel Production Yield

Rahmat¹,

Setiasih²,

Kastaman³

2013

MST

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The study consisted of reactor design used for transesterification process, effect of glycerol separation on transesterification reaction, determination of biodiesel quality, and mass balance analysis. The reactor was designed by integrating circulated pump/stirrer, static mixer, and sprayer that intensify the reaction in the outer tank reactor. The objective was to reduce the use of methanol in excess and to shorten the processing time. The results showed that the reactor that applied the glycerol separation was able to compensate for the decreased use of the reactant methanol from 6:1 to 5:1 molar ratio, and changed the mass balance in the product, including: (i) the increase of biodiesel production from 42.37% to 49.34%, and (ii) the reduction of methanol in excess from 42.37% to 32.89%. The results suggested that the efficiency of biodiesel production could be increased with the glycerol separation engineering. AbstrakDesain Reaktor Biodiesel dengan Pemisahan Gliserol untuk Meningkatkan Hasil Produksi Biodiesel. Penelitian ini terdiri dari desain reaktor yang digunakan untuk proses transesterifikasi, pengaruh pemisahan gliserol pada reaksi transesterifikasi, penentuan kualitas biodiesel, dan analisis neraca massa. Reaktor didesain dengan mengintegrasikan pompa/pengaduk, mixer statis, dan sprayer yang mengintensifikasi reaksi pada reaktor tangki luar. Tujuan penelitian ini adalah untuk menurunkan jumlah methanol yang berlebih dan mempercepat waktu pemrosesan. Hasil penelitian menunjukan bahwa reaktor yang menggunakan pemisahan gliserol dapat mengkompensasi penurunan penggunaan reaktan methanol dari 6:1 hingga 5:1 rasio molar, dan mengubah neraca massa pada produk yang antara lain: (i) peningkatan produksi biodiesel dari 42,37% hingga 49,34%, dan (ii) penurunan metano berlebih dari 42,37% hingga 32,89%. Berdasarkan hasil penelitian, efisiensi produksi biodiesel dapat ditingkatkan dengan rekayasa pemisahan gliserol.

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Effect of Glycerol Separation on Palm Oil Transesterification

Abstract: 04-7182-2006.

Cited by 3 publications

References 4 publications

Nanocatalysts of Sulfated Zirconia and Calcium Oxide/Zirconia for Microwave-Assisted Biodiesel Synthesis from Castor Oil

Nanocatalysts of Sulfated Zirconia and Calcium Oxide/Zirconia for Microwave-Assisted Biodiesel Synthesis from Castor Oil

HIDRORENGKAH MINYAK LAKA MENGGUNAKAN KATALIS NiO/ZEOLIT ALAM AKTIF DAN NiOMoO/ZEOLIT ALAM AKTIF MENJADI FRAKSI BERPOTENSI ENERGI

Biodiesel Reactor Design with Glycerol Separation to Increase Biodiesel Production Yield

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