Status of Jatropha plants farming for biodiesel production in Rwanda

Ntaribi, Theogene; Paul, Damasen Ikwaba

doi:10.1016/j.esd.2018.09.009

Cited by 19 publications

(5 citation statements)

References 32 publications

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“…The first generation is produced from edible oils, such as corn, sunflower [1,6], cotton [7], soybean [8], palm [2], rapeseed [9], and canola oils [10,11]. On the other hand, second generation biofuels are from non-edible oils, such as jatropha [12][13][14], karanja [15], castor [16], and linseed [17]. The third generation of biofuels is produced from microalgae species [18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

The Effect of the ZrO2 Loading in SiO2@ZrO2-CaO Catalysts for Transesterification Reaction

et al. 2020

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The effect of the ZrO2 loading was studied on spherical SiO2@ZrO2-CaO structures synthetized by a simple route that combines the Stöber and sol-gel methods. The texture of these materials was determined using SBET by N2 adsorption, where the increment in SiO2 spheres’ surface areas was reached with the incorporation of ZrO2. Combined the characterization techniques of using different alcoholic dissolutions of zirconium (VI) butoxide 0.04 M, 0.06 M, and 0.08 M, we obtained SiO2@ZrO2 materials with 5.7, 20.2, and 25.2 wt % of Zr. Transmission electron microscopy (TEM) analysis also uncovered the shape and reproducibility of the SiO2 spheres. The presence of Zr and Ca in the core–shell was also determined by TEM. X-ray diffraction (XRD) profiles showed that the c-ZrO2 phase changed in to m-ZrO2 by incorporating calcium, which was confirmed by Raman spectroscopy. The purity of the SiO2 spheres, as well as the presence of Zr and Ca in the core–shell, was assessed by the Fourier transform infrared (FTIR) method. CO2 temperature programmed desorption (TPD-CO2) measurements confirmed the increment in the amount of the basic sites and strength of these basic sites due to calcium incorporation. The catalyst reuse in FAME production from canola oil transesterification allowed confirmation that these calcium core@shell catalysts turn out to be actives and stables for this reaction.

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Section: Introductionmentioning

confidence: 99%

The Effect of the ZrO2 Loading in SiO2@ZrO2-CaO Catalysts for Transesterification Reaction

et al. 2020

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“…The high cetane number guarantees a low flash point. The oil contains a small amount of sulfur, resulting in lower SO2 emissions during combustion [17][18][19][20][21]. It is possible to obtain an oil yield higher than 1500 kg per hectare of this plant.…”

Section: Literature Reviewmentioning

confidence: 99%

Using Biofuels for Highly Renewable Electricity Systems: A Case Study of the Jatropha curcas

2019

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Recent movements for the decarbonization of the electricity sector have become a priority for many countries around the world and will inevitably lead to the sharp decline of fossil-fuel-based energy. Energy from fossil fuels is to be replaced by renewable energy sources (RES), although the transition will neither be cheap nor smooth. One sustainable and environmentally friendly alternative to fossil fuels and which will take a considerable share in the increasing supply of renewable energy resources is biofuels. There are various types of biofuels used in practice; however, biodiesels represent one of the most popular and widespread ones. This paper focuses as a case study on the byproducts of Jatropha curcas, a crop and a plant that is already used for biofuel production and which is subsequently employed in electricity generation in Jatropha curcas producing regions. This paper identifies the limitations and prospects of Jatropha curcas utilization. Also, Jatropha curcas is compared to other materials suitable for biomass generation. An economic analysis for a 2 MW biofuel powerplant was conducted incorporating various market-related risks. The study shows that at current prices, net profitability can be achieved using Jatropha curcas byproducts for producing electricity.

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“…Produksi. Produksi merupakan usaha untuk menghasilkan suatu produk yang digunakan untuk memenuhi kebutuhan manusi (Ntaribi & Paul, 2018;Tseng, Chiu, & Liang, 2018). Berdasarkan hasil penelitian, diperoleh hasil produksi usahatani tanaman pangan dan ternak seperti pada Tabel 2 diatas.…”

Section: Kondisi Usahatani Tanaman Pangan Danunclassified

Analisis Pendapatan Pola Usahatani Berbasis Tanaman Pangan Dan Peternakan Di Kabupaten Grobogan

Wisudawati¹,

Mukson²,

Roessali³

2019

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This study aimed to analyze income in food crop and livestock based farming system, and to analyze factors influencing farmer’s income in Grobogan district. This research was conducted in November to December 2018 in Pulokulon District and Toroh District, Grobogan Regency. The research used survey method by direct interview with a questionnaire guide. Quota sampling was used to determine the number of samples. The number of farmer respondents as samples was 70 people selected by Snowball sampling method. The results of this research shows that there were two patterns of farming system carried out by the respondents including rice-corn-soybean-beef cattle (pattern I) and rice-corn-rice-beef cattle (pattern II). The average income of the farmers with the pattern I was IDR 16,596,380/year under a business scale of 0.32 ha, while the average income in pattern II was lower which was IDR 16,222,162/year under a business scale of 0.30 ha. Based on Independent Sample t-test there was no significant difference between the incomes in pattern I and pattern II. Both the pattern I and the pattern II had the same R/C Ratio of 1.54. The profitability was 53.91% under the pattern I and 53.74% under the pattern II. The two farming patterns are feasible because their R/C Ratio > 1 and profitability higher than bank loan interest rate. Keywords: Food Crop, Income, Livestock, Profitability, and R/C Ratio.

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Status of Jatropha plants farming for biodiesel production in Rwanda

Cited by 19 publications

References 32 publications

The Effect of the ZrO2 Loading in SiO2@ZrO2-CaO Catalysts for Transesterification Reaction

The Effect of the ZrO2 Loading in SiO2@ZrO2-CaO Catalysts for Transesterification Reaction

Using Biofuels for Highly Renewable Electricity Systems: A Case Study of the Jatropha curcas

Analisis Pendapatan Pola Usahatani Berbasis Tanaman Pangan Dan Peternakan Di Kabupaten Grobogan

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