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Study the suitability of neem seed oil for formulation of eco-friendly oil based drilling fluid

Petroleum Research 2021年第3期6卷 283-290页

作者： Adesina Fadairo Gbadegesin Adeyemi Temitope Ogunkunle Kegang Ling Vamegh Rasouli Elijah Effiong James Ayoo Department of Petroleum Engineering University of North DakotaUSA Department of Petroleum Engineering Covenant UniversityNigeria Chevron Nigeria Limited Nigeria

The present work intended to develop an invert emulsion drilling mud from biodegradable neem seed oil as an alternative to conventional diesel-based drilling *** would present comparable properties and performances with API standard requirements,ecologically friendly and at a low *** produced from non-edible neem oil was used as the continuous phase in an invert emulsion-based drilling *** tests to investigate the applicability of the mud for drilling applications were *** rheological and lubricity tests results indicate that the neem oil biodiesel-based drilling muds are comparable with conventional diesel-based drilling *** produced biodiesel shows a significantly better flash point of 168℃ than the traditional diesel flash point of 70℃;indicating better fire safety than the conventional *** lubricity and rheological data indicate the formulated mud with neem seed oil biodiesel fair reasonably well with conventional diesel and within the API re*** general,the preliminary results show that neem oil biodiesel is a potential alternative to conventional organic oil in formulating oil-based drilling mud in terms of technical and environmental analysis.

关键词： Drilling mud Invert emulsion Biodiesel neem seed oil

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Selected physical and chemical properties of mechanically extracted neem seed oil sourced as a preservative for ligno-cellulose in south-western Nigeria

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Forestry Studies in China 2011年第4期13卷 263-269页

作者： Andrew A. ERAKHRUMEN Department of Forest Resources Management Faculty of Agriculture and Forestry University of Ibadan Ibadan Nigeria

Most of the seeds produced by neem （Azadirachta indica A. Juss） trees in Nigeria are currently underutilized. Hence, relevant literature provides only limited information conceming many of the seed oils from this country, especially where it concems the potential applications of these oils as preservatives for ligno-cellulose against bio-deterioration. Using standard procedures therefore, this study was carried out to evaluate and document selected physical and chemical properties of neem seed oil （NSO）, mechanically extracted using a cold press at 31.03 N-mm^-2 pressure and a room temperature of 25 ± 2℃. The results show that oil yield was 38.42% with a specific gravity of 0.91 ± 0.01. The amount of acid was 18.24 ± 1.31 mg KOH.g^-1 and that of iodine 93.12 ± 2.01 g-100 g^- 1, while saponification and peroxide values were 172.88 ± 2.06 and 1.42 ± 0.04 mg·g^-1 respectively. The implication of the values obtained, particularly those for the chemical properties, as they concern the potential application of NSO as a preservative for ligno-eellulose, is likely that it may be useful in this regard since the values may support some of the documented anti-microbial properties of the oil, although other physical and chemical properties that may affect this potential are recommended for investigations. Conclusions and other recommendations follow in line with the results of the study.

关键词： neem seed oil physical and chemical properties mechanical extraction cold press

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