Relevant bibliographies by topics / Rubber seed oil

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Academic literature on the topic 'Rubber seed oil'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 June 2025

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Journal articles on the topic "Rubber seed oil"

1

Widayat, Widayat, and S. Suherman. "Biodiesel Production from Rubber Seed Oil via Esterification Process." International Journal of Renewable Energy Development 1, no. 2 (2012): 57–60. http://dx.doi.org/10.14710/ijred.1.2.57-60.

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One promise source of alternative energy is biodiesel from rubber seed oil, because the raw materials available in plentiful quantities and can be renewed. In addition, the rubber seed is still lack of utilization, and Indonesia is one of the largest rubbers producing country in the world. The objective of this research is to studied on biodiesel production by esterification process. Parameters used in this study are the ratio of catalyst and temperature and its influence on the characteristics of the resulting biodiesel product. Characterization of rubber seed include acid content number analysis, saponification numbers, density, viscosity, iodine number, type of free fatty acids and triglyceride oils. The results of analysis showed that rubber seed oil content obtained is 50.5%. The results of the GCMS analysis showed that a free fatty acid level in rubber seed is very high. Conversion into bio-diesel oil is obtained by at most 59.91% and lowest 48.24%.
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2

Salni, Salni, Poedji Loekitowati Hariani, and Hanifa Marisa Hanifa. "Influence the Rubber Seed Type and Altitude on Characteristic of Seed, Oil and Biodiesel." International Journal of Renewable Energy Development 6, no. 2 (2017): 157. http://dx.doi.org/10.14710/ijred.6.2.157-163.

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This research studies the influence of the type of rubber seed that is superior and local, altitude plant in South Sumatra province to the characteristic of seed, oil and biodiesel (methyl ester). Rubber plants planted from local rubber seed by seeds seedlings and superior rubber seed by selected clones. In the study, rubber plants planted at a different altitude, namely in Banyuasin district (18 m above sea level), Prabumulih District (176 m above sea level) and Lahat District (627 m above sea level). The results showed that the weight of the flour, the water content and ash content in the local rubber seeds larger than the superior rubber seed for all altitude, but oil content a large in the superior rubber seeds. The major of fatty acids in the rubber seed oil in all types and altitude are a linoleic acid with a different percentage except local rubber seed oil from Lahat district with the large percentage of octadecanoic acid. Free fatty acids in the oil from the superior seeds rubber of 13.897-15.494 % large than local rubber seed oil was found 9.786-10.399 % for all altitude. By esterification process using sulfuric acid catalyst, Free Fatty Acid (FFA) can be reduced to ≤ 2 %. The methyl ester made from the transesterification process of rubber seed oil after esterification using methanol and sodium hydroxide as catalyst. Analysis of methyl esters includes cetane index, flash point, kinematic viscosity, carbon residue, density, moisture content, water and sediment content and distillation compared with SNI 7182 and ASTM 6751-02. The result indicated that the quality of methyl ester from superior rubber seed oil in the Banyuasin and Prabumulih district better than another methyl ester. The types of rubber seed altitude affect the characteristics of the seed, oil and methyl ester but the altitude are not significantly different.Keywords: rubber seed, type, altitude, oil, biodieselArticle History: Received March 21st 2017; Received in revised form May 5th 2017; Accepted June 2nd 2017; Available onlineHow to Cite This Article: Salni, S, Hariani, P.L. and Marisa, H. (2017) Influence the Rubber Seed Type and Altitude on Characteristic of Seed, Oil and Biodiesel. International Journal of Renewable Energy Develeopment, 6(2), 157-163.https://doi.org/10.14710/ijred.6.2.157-163
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3

Kantee, Jutamas, and Somjai Kajorncheappunngam. "Characterization of Epoxidized Rubber Seed Oil." Key Engineering Materials 728 (January 2017): 295–300. http://dx.doi.org/10.4028/www.scientific.net/kem.728.295.

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Epoxidation of rubber seed oil was carried out using a peroxyacid generated in situ from glacial acetic acid and hydrogen peroxide to produce epoxidized rubber seed oil. The maximum relative conversion to oxirane of 88 % could be obtained at 60 °C after a reaction time of 7 hours. The presence of oxirane ring of epoxidized rubber seed oil was confirmed by fourier transform infrared spectrometer (FT-IR) and proton nuclear magnetic resonance (1H NMR) spectra analysis which displayed a disappearance of double bonds peak in rubber seed oil and an existing of epoxide ring peak in epoxidized rubber seed oil.
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4

Widayat, Widayat, and Berkah Fajar Tamtomo Kiono. "Ultrasound Assisted Esterification of Rubber Seed Oil for Biodiesel Production." International Journal of Renewable Energy Development 1, no. 1 (2012): 1–5. http://dx.doi.org/10.14710/ijred.1.1.1-5.

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Production of biodiesel is currently shifting from the first to the second generation inwhich the raw materials are mostly from non-edible type oils and fats. Biodiesel production iscommonly conducted under batch operation using mechanical agitation to accelerate masstransfers. The main drawback of oil esterification is the high content of free fatty acids (FFA) whichmay reduce the yield of biodiesel and prolong the production time (2-5 hours). Ultrasonificationhas been used in many applications such as component extraction due to its ability to producecavitation under certain frequency. This research is aimed to facilitate ultrasound system forimproving biodiesel production process particularly rubber seed oil. An ultrasound unit was usedunder constant temperature (40oC) and frequency of 40 Hz. The result showed that ultrasound canreduces the processing time and increases the biodiesel yield significantly. A model to describecorrelation of yield and its independent variables is yield (Y) = 43,4894 – 0,6926 X1 + 1,1807 X2 –7,1042 X3 + 2,6451 X1X2 – 1,6557 X1X3 + 5,7586 X2X3 - 10,5145 X1X2X3, where X1 is mesh sizes, X2ratio oil: methanol and X3 type of catalyst.
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5

Huang, Yuan Bo, Zhi Feng Zheng, Ji You Gu, Yun Wu Zheng, Qing Li Qin, and Guan Dong Wang. "Synthesis of Epoxidized Rubber Seed Oil." Advanced Materials Research 236-238 (May 2011): 247–52. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.247.

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The liquefaction of cellulose in the presence of phenol without or with sulfuric acid as catalyst was investigated. The liquefied products were characterized by GC/MS and FTIR. Results showed that reaction temperature and reaction time had obvious effects on liquefaction of cellulose. Sulfuric acid showed an excellent catalytic degradation. The chemical compositions of the liquefied products produced using sulfuric acid catalyst or not were almost identical, and the majority of the identified liquefied products were methylene bisphenol and its isomers. During the process of liquefaction, the degradation of cellulose and condensation polymerization occurred at the same time. The last liquefied products were greatly dependent on the reaction conditions.
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6

Aigbodion, A. I., A. R. R. Menon, and C. K. S. Pillai. "Processability characteristics and physico-mechanical properties of natural rubber modified with rubber seed oil and epoxidized rubber seed oil." Journal of Applied Polymer Science 77, no. 7 (2000): 1413–18. http://dx.doi.org/10.1002/1097-4628(20000815)77:7<1413::aid-app2>3.0.co;2-7.

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7

Mgbemena, Chinedum Ogonna, and Ikuobase Emovon. "Thermal Degradation of Natural Rubber Vulcanizates Reinforced with Organomodified Kaolin Intercalates." Advanced Materials Research 1163 (April 2021): 48–58. http://dx.doi.org/10.4028/www.scientific.net/amr.1163.48.

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In this study, Natural Rubber Vulcanizates (NRV) reinforced with organomodified kaolin was developed. The NRV were subjected to thermal degradation to ascertain its suitability for high-temperature automotive applications. Kaolin intercalation was achieved using derivatives of Rubber seed oil (Hevea brasiliensis) and Tea seed oil (Camellia sinensis) in the presence of hydrazine hydrate as co-intercalate. The developed Natural Rubber Vulcanizates were characterised using Thermogravimetric Analysis (TGA), Fourier Transform Infrared (FTIR) Spectroscopy and Scanning Electron Microscopy (SEM). FTIR spectra obtained for the organomodified natural rubber vulcanizates revealed the presence of carbonyl groups at bands 1564cm-1 and 1553cm-1 which is an indication of organomodified kaolin intercalation within the Natural Rubber matrix for kaolin intercalates of Rubber seed oil and Tea seed oil respectively while no value was reported for the Natural Rubber vulcanizates obtained from the pristine kaolin filler. TGA results indicated that NRV developed from kaolin intercalates of Rubber seed oil (RSO) with onset degradation and final degradation temperatures of 354.2°C and 601.3°C were found to be the most thermally stable of the Natural Rubber Vulcanizates investigated. The SEM micrograph revealed that the kaolin nanofillers in Rubber Seed Oil modified Natural Rubber Vulcanizates were well dispersed as compared to that of Tea Seed Oil modified Natural Rubber Vulcanizates.
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8

Aravind, Amith, K. Prabhakaran Nair, and M. L. Joy. "Formulation of a novel biolubricant with enhanced properties using esterified rubber seed oil as a base stock." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 232, no. 12 (2018): 1514–24. http://dx.doi.org/10.1177/1350650118756243.

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Biolubricants, though an answer to depleting mineral oil reserves and toxic pollutants seeping into the environment, have several drawbacks. They have a limited range of viscosities, poor low temperature properties, and reduced oxidative stability. Rubber seed oil, a nonedible oil extracted from rubber ( Hevea brasiliensis Muell. Arg) seeds, has been observed to serve as a good base stock for developing a novel biolubricant. This study aims at improving the properties of rubber seed oil, namely, its free fatty acid content, viscosity, cloud and pour point, tribological properties, and oxidative stability using suitable natural and synthetic additives to make it as good as commercial lubricants available in the market. A final formulation containing esterified rubber seed oil with (1% low-density polyethylene + 1.5% polypropylene as viscosity enhancers, 1.5% agarose to improve coefficient of friction, 1.5% butylated hydroxyl toluene as pour point depressant and (1% butylated hydroxyl anisole + 1.5% α-tocopherol + 1% ascorbic acid) as antioxidants has been found to have superior lubricant properties when compared to plain rubber seed oil. The biodegradability of the final formulated oil has also been studied.
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9

Ahmad Bahrin, Noor Fatiha, Harumi Veny, and Siti Zainab Che Mad. "Investigation on enzymatic activity of rubber seed as source of plant lipase." Malaysian Journal of Chemical Engineering and Technology (MJCET) 3, no. 2 (2020): 45. http://dx.doi.org/10.24191/mjcet.v3i2.10938.

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Rubber seed is a non-edible seed that is abundantly available and considers agricultural wastes. A potential lipase from rubber seed was examined based on the enzymatic activity and its application in the hydrolysis reaction. The enzymatic activity characterization study was determined based on p-nitrophenol release in the hydrolysis reaction. The initial evaluation showed that temperature and pH significantly influence the reaction. The optimum condition based on enzymatic activity for rubber seed was found at 30 ℃ and pH 8. The rubber seed lipase extract was then used in enzymatic hydrolysis reactions of rubber seed oil, palm oil, and canola oil. The highest FFA percentage of 63% was found from the rubber seed oil. The results indicate that rubber seed extract has shown its potential enzymatic activity. However, further studies need to be done to apply this rubber seed in various lipase catalysed reactions.
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10

Wicakso, Doni Rahmat, Anniy Nurin Najma, and Diah Ayu Retnowati. "CRUDE BIODIESEL SYNTHESIS FROM RUBBER SEED OIL." Konversi 7, no. 1 (2019): 21. http://dx.doi.org/10.20527/k.v7i1.4872.

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Abstract-Biodiesel is a diesel engine fuel made from oil containing triglycerides as well as rubber seed oil. This research aims to study how the extraction process of rubber seed oil, to know the effect of crude biodiesel manufacturing process by transesterification and esterification-transesterification and the addition of different catalysts on the transesterification process of crude biodiesel produced. Esterification process use H2SO4 catalyst and transesterification process use KOH and NaOH catalyst. The process of making crude biodiesel done by transesterification and can also by the merging of esterification-transesterification process. Based on this research, yield of crude biodiesel produced by transesterfication and esterification-transesterification by using NaOH catalyst is 38% and 75,6%, while yielded by KOH catalyst is 22,5% and 80%. While the acid number obtained from the transesterification process and esterification-transesterification using KOH catalyst is the same that is 1.33 and for the NaOH catalyst is 1,83 and 1,68. Saponification number obtained from both processes using KOH catalysts were 24,68 and 26,37 and for NaOH catalysts were 18,51 and 20,20. Keywords: Rubber seed oil, crude biodiesel, acid number, saponification number.
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