Production and selected fuel properties of biodiesel from promising non-edible oils: Euphorbia lathyris L., Sapium sebiferum L. and Jatropha curcas L.

Wang, Rui; Hanna, Milford A.; Zhou, Wan-Wei; Bhadury, Pinaki S.; Chen, Qi; Song, Baoan; Yang, Song

doi:10.1016/j.biortech.2010.09.066

Cited by 183 publications

(85 citation statements)

References 23 publications

(27 reference statements)

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“…The polymeric resin was heated at a rate of 2 °C.min -1 and semicarbonized at 300 °C for 2 h. After heat treatment, the polymeric precursor was ground, passed through a 200 mesh (74 μm) sieve, and heat treated in an air atmosphere at 600, 700 and 800 °C for 4 h with a heating rate of 5 °C.min -1 . The same procedure was adopted for 5% Al-doped ZnO (ZNAL), but using an aqueous solution comprising Al(NO 3 ) 3 .6H 2 O (Aldrich) and Zn(NO 3 ) 2 .6H 2 O (Aldrich).…”

Section: Catalyst Synthesis and Characterizationmentioning

confidence: 99%

“…The increased concern over the environmental impact and increasing prices of petrol products, coupled with the fact that fossil fuels are non-renewable, has prompted a continuing search for fuels that are environmentally responsible energy sources, such as biodiesel [1][2][3]. The most commonly employed production route for this biofuel is the transesterification of vegetable oils and animal fats using catalysts [4,5].…”

Section: Introductionmentioning

confidence: 99%

“…Nascimento et al [8] compared the efficiency of ZnO with CaO, CaTiO 3 and TiO 2 , which were all obtained by the polymeric precursor method. The use of CaO led to a high conversion of corn oil into methylic esters at 70 °C but resulted in high levels of Ca leaching into the biodiesel.…”

Section: Introductionmentioning

confidence: 99%

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Pure and Al-doped ZnO obtained by the modified Pechini method applied in ethanolic transesterification of cottonseed oil

et al. 2017

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Pure zinc oxide (ZnO) and 5% Al-doped ZnO (ZNAL) were synthesized using the modified Pechini method and characterized by X-ray diffraction (XRD), X-ray fluorescence (XRF), Raman spectroscopy, infrared spectroscopy and UV-visible spectroscopy. XRF confirmed the theoretical stoichiometry, while XRD and Raman spectroscopy indicated that Al 3+ was incorporated into the ZnO wurtzite lattice with no secondary phases, leading to a decrease in the band gap value and to a meaningful increase of the Lewis basic sites. Pure and doped ZnO were used as catalysts in the ethylic transesterification of cottonseed oil using a factorial design to determine the best synthesis conditions. Oil conversion into biodiesel was evaluated by viscosity measurements and 1 H NMR spectroscopy. The results analyzed by factorial design indicated that the catalyst type and temperature were the determinant factors in the conversion indices. The highest basicity of the ZNAL lead to a significant increase of the catalytic potential, reaching a reduction of the oil viscosity next to 71% at 130 °C and greater than 85% at 200 °C.

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Section: Catalyst Synthesis and Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pure and Al-doped ZnO obtained by the modified Pechini method applied in ethanolic transesterification of cottonseed oil

et al. 2017

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“…The rapeseed oil [19,20] and pongamia oil [21,22] were used as base fluid for testing. These oils are rich in oleic acid and were selected due to inherent higher stability of high oleic oils over commercial oils [23].…”

Section: Eco-friendly Fluidsmentioning

confidence: 99%

Investigations on Eco Friendly Insulating Fluids from Rapeseed and Pongamia Pinnata Oils for Power Transformer Applications

Thanigaiselvan¹,

Raja²,

Rajendran³

2015

Journal of Electrical Engineering and Technology

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-Transformer mineral oil which is normally hydrocarbon based is non-biodegradable and pollutes the environment in all aspects. Though vegetable oils are eco-friendly in nature and potentially could be used in transformers as a replacement for the mineral oil, there usage is restricted because of their oxidative instability. The present work focuses on using rapeseed oil and pongamia (pongamia pinnata) oil as effective alternatives for the traditional mineral oil in power transformer. The oxidative stability of the rapeseed oil and pongamia oil is increased by using combinations of the natural and synthetic anti-oxidants as additives. The parameters like breakdown voltage, viscosity, flash point, fire point are measured for the rapeseed oil and pongamia oil with and without the additives as per IEC and ASTM standards. The results shown encouraging changes in the parameter values and ensures the use of the oils as a potential alternative insulation in power transformers.

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“…Heterogeneously produced BD studies have increased as the preferred transesterification method, since it is environmentally benign, needs no waterwashing and product separation is much easier [17,18]. Different feedstocks, from non-edible oils [19,20] to algae [11,21], have also been tested for BD production. However, BD production with such feedstocks is challenging due to high free fatty acid (FFA) contents and water presence [15].…”

Section: Introductionmentioning

confidence: 99%

Biodiesel from rapeseed oil (Brassica napus) by supported Li2O and MgO

Solis

Berkemar

Alejo

et al. 2016

Int J Energy Environ Eng

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Vegetable oils are a vast triglyceride source for biodiesel production; i.e. fatty acid methyl esters (FAME), with methanol and a catalyst via transesterification reaction. The aim of this work was to study heterogeneously catalysed biodiesel production with solid oxides such as mayenite (Ca 12 Al 14 O 33 ) and alumina (Al 2 O 3 ) as catalyst carriers using edible rapeseed oil as feedstock. These oxides were impregnated to have Li 2 O and MgO concentrations of 5-10 and 5-30 wt% on each carrier, respectively. The catalysts were characterized using N 2 -physisorption (BET/BJH), scanning electron microscopy (SEM), and X-ray diffraction (XRD) analyses. The synthesized catalysts were mesoporous ranging from 119 to 401 Å and their chemical phase composition was confirmed by the XRD. The catalyst coating (MgO/Li 2 O) was studied, along with the catalyst amount in the reactor and the assessment of the transesterification reaction kinetics. The reaction was studied at 60°C, atmospheric pressure, agitation rate of 180 rpm, and a reaction time of 2 h in a 6:1 molar ratio of methanol to oil. For each catalyst, loadings of 2.5, 5, and 10 wt% relative to the oil weight were evaluated. The highest biodiesel yield was obtained by 5 wt% (relative to oil weight) impregnated mayenite catalyst coated with 10 wt% of Li 2 O. The kinetic data fits to a pseudo-first-order model having a reaction rate constant equal to 0.045 min -1 under these mild reaction conditions.

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Production and selected fuel properties of biodiesel from promising non-edible oils: Euphorbia lathyris L., Sapium sebiferum L. and Jatropha curcas L.

Cited by 183 publications

References 23 publications

Pure and Al-doped ZnO obtained by the modified Pechini method applied in ethanolic transesterification of cottonseed oil

Pure and Al-doped ZnO obtained by the modified Pechini method applied in ethanolic transesterification of cottonseed oil

Investigations on Eco Friendly Insulating Fluids from Rapeseed and Pongamia Pinnata Oils for Power Transformer Applications

Biodiesel from rapeseed oil (Brassica napus) by supported Li2O and MgO

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