scholarly journals Optimization of Biodiesel Production from Neem Seed Oil using Sulfated Zirconia and ZnO by two step Tranesterification

Author(s):  
C. Muhammad ◽  
A.U. Muhammad ◽  
B.U. Bagudo ◽  
M. Mukhtar ◽  
A.B. Muhammad ◽  
...  
2010 ◽  
Vol 101 (15) ◽  
pp. 5897-5902 ◽  
Author(s):  
Vasanthakumar SathyaSelvabala ◽  
Thiruvengadaravi Kadathur Varathachary ◽  
Dinesh Kirupha Selvaraj ◽  
Vijayalakshmi Ponnusamy ◽  
Sivanesan Subramanian

Author(s):  
Anusha P

Abstract: The consumption of edible oil is very high in the country and still the indigenous production does not meet the demand and considerable amount of edible oil is imported. Also, it is not advisable to divert these sources for biodiesel production. On the other hand, the non-edible oil resources could be a solution for biodiesel production. Non-edible oil from the plant seeds is the most promising alternative fuel for internal combustion engine because it is renewable, environment friendly, non-toxic, biodegradable has no sulphur and aromatics, has favourable combustion value and higher cetane number. Extensive work has been done on the transesterification of non-edible oils; however, no significant work has been done on the optimization of transesterification process, oil characterization and fuel analysis of most of the non-edible seed oils. Low cost and abundantly found non-edible oils such as Neem oil could be a better option for biodiesel processing. In the present work, optimization of transesterification process and analysis of biodiesel from non-edible oil was done; based on optimized protocol for biodiesel production from Neem seed oil converted into fatty acid methyl esters (FAME) through base catalyzed trans esterification using an optimum ratio of 1:6 (Oil : Methanol) at 600C. Biodiesel from these sources was analyzed for qualitative and quantitative characterization by using, GC-MS and FT-IR techniques. Based on qualitative and quantitative analysis of biodiesel, it is concluded that the biodiesel from these species can be feasible, cost effective and environment friendly. Keywords: Neem oil, Biodiesel, Tran’s esterification, GC-MS, and FT-IR.


Author(s):  
D. Kosini ◽  
E. N. Nukenine ◽  
K. H. Tofel ◽  
J. W. Goudoungou ◽  
D. J. Langsi ◽  
...  

The response of pests to the effects of a botanical insecticide can vary spatially and temporally. To test whether efficacy of botanicals differed spatially, the insecticidal efficacy of Gnidia kaussiana and Ocimum canum against Callosobruchus maculatus was investigated in two different agro-ecological zones of Cameroon, i.e. Maroua and Ngaoundéré (sudano-sahelian and sudano-guinean zones, respectively). Experiments were, therefore, conducted to determine the insect mortality, progeny production, grain damage and weight loss in cowpea. G. kaussiana was more effective against C. maculatus in Maroua (LD50 = 0.12 g/kg at 6th day of exposure) than in Ngaoundéré (LD50 = 4.35 g/kg at 6th day of exposure). Moreover, it was more toxic than O. canum extract and neem seed oil (reference), irrespective to the agro-ecological zones. Overall, the performance of O. canum did not vary significantly between the two zones, and was slightly more active (LD50 = 4.66 g/kg) than the reference insecticide neem seed oil (LD50 = 4.89 g/kg) in Ngaoundéré in contrast to the results recoded in Maroua (LD50 = 1.44 g/kg and 2.60 g/kg, respectively for neem seed oil and O. canum at 6 days post exposure). In view of the above, there were some discrepancies in extract performance between Maroua and Ngaoundéré. Thus, the establishment of dose rates of insecticidal products formulated from G. kaussiana must be specific to an environment in contrast to those from O. canum.


2015 ◽  
Vol 34 ◽  
pp. 7-14
Author(s):  
Prithviraj Bhandare ◽  
G.R. Naik

Fossil fuel resources are decreasing daily while biodiesel fuels are attracting increasing attention worldwide as blending components or direct replacements for diesel fuel in vehicle engines. In this experiment the seed oils of 30 Neem (Azadirachta indica. A. juss) biotypes were screened and evaluated for their physio-chemical parameters for oil content, biodiesel yield, density, viscosity, iodine value , free fatty acid and saponification value. Hence the neem seed oil tested in this current study could be the potential sources of raw material for biodiesel production.


2014 ◽  
Vol 1 (3) ◽  
pp. 66 ◽  
Author(s):  
ManasRanjan Naik ◽  
Divya Agrawal ◽  
Rasmirekha Behera ◽  
Ayon Bhattacharya ◽  
Suhasini Dehury ◽  
...  

Biomolecules ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 616
Author(s):  
Bakari Hamadou ◽  
Djomdi ◽  
Ruben Zieba Falama ◽  
Cedric Delattre ◽  
Guillaume Pierre ◽  
...  

The aim of this work is to study the influence of the physicochemical characteristics of neem seeds, according to their mass and oil content, on the production of biodiesel. After the physical characterization of the seeds and extraction of the oil (triglycerides), biodiesel was produced from crude neem seed oil by transesterification with ethanol in the presence of sodium hydroxide. This study shows that the physicochemical characteristics of these seeds vary according to the origin of the samples. The seeds from Zidim, with a mass average of 200 seeds evaluated at 141.36 g and an almond content of 40.70%, have better characteristics compared to those collected in the city of Maroua, with average values evaluated at 128.00 g and 36.05%, respectively. Almonds have an average lipid content of 53.98 and 56.75% for the Maroua and Zidim samples, respectively. This study also reveals that neem oil, by its physicochemical characteristics, has a satisfactory quality for a valorization in the production of biodiesel. However, its relatively high free fatty acid content is a major drawback, which leads to a low yield of biodiesel, evaluated on average at 89.02%, and requires a desacidification operation to improve this yield. The analysis of biodiesel indicates physicochemical characteristics close and comparable to those of petrodiesel, particularly in terms of calorific value, density, kinematic viscosity, acid value, evaluated at 41.00 MJ/kg, 0.803, 4.42 cSt, and 0.130 mg/g, respectively.


Author(s):  
Temitope Ogunkunle ◽  
Adesina Fadairo ◽  
Vamegh Rasouli ◽  
Kegang Ling ◽  
Adebowale Oladepo ◽  
...  

AbstractThe limitation in the formulation and application of synthetic surfactants in petroleum industry is owing to their high cost of production or importation and their associated toxic effect which have been proven to be harmful to the environment. Hence it is vitally imperative to develop an optimum surfactant that is cost-effective, environmentally safe (biodegradable) and equally serves as surface acting agent. This study discusses the production of microbial produced bio-surfactant and its application in enhanced oil recovery. The bacteria Pseudomonas sp. were isolated from urine and allow to feed on neem seed oil as the major carbon source and energy. The crude bio-surfactant produced from the fermentation process was used to prepare three (3) solutions of bio-surfactants at different concentrations of 5 g/500 mL, 10 g/500 mL and 15 g/500 mL, and their suitability for enhanced oil recovery (EOR) was evaluated. Reservoir core samples and crude oil collected from the Niger Delta field were used to evaluate the EOR application of the microbial-derived surfactants. The sets of experimental samples were carried out using core flooding and permeability tester equipment, and the results obtained were compared with conventional waterflooding experiments. The three bio-surfactant concentrations were observed to recover more oil than the conventional waterflooding method for the two core samples used. Optimum performance of the produced microbial-derived surfactant on oil recovery based on the concentrations was observed to be 10 g/500 mL for the two samples used in this study. Therefore, eco-friendly bio-surfactant produced from neem seed oil using Pseudomonas sp. has shown to be a promising potential substance for enhanced oil recovery applications by incremental recoveries of 51.9%, 53.2%, and 29.5% at the concentration of 5, 10, and 15 g/500 mL and 24.7%, 28.7%, and 20.1% at concentration of 5, 10, and 15 g/500 mL for the two core samples, respectively.


Author(s):  
Dominic O Onukwuli ◽  
Jonah C Umeuzuegbu ◽  
Callistus N Ude ◽  
Chukwuemeka C Nwobi‐Okoye

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