Results 31 to 40 of about 790,214 (295)

Hydrophobic association supramolecular gel suitable for oil and gas drilling in fractured formation

Frontiers in Chemistry
Supramolecular gel can be used to seal fractures and pores in the formation during oil and gas drilling and production. In this study, a supramolecular gel plugging agent based on hydrophobic association was prepared by free radical polymerization of ...
Yongquan Han, Zhixue Yu, Zijun Guan, Rui Ma, Yuzhou Hu   +4 more
doaj   +1 more source

Optimization and Quality Analysis of Different Extraction Methods of Palm Seed Oil

Complexity, 2021
The extraction process of palm seed oil was optimized. Using palm seed as raw material, oil extraction rate was used as an index. The effects of flash extraction, ultrasonic-assisted extraction, supercritical extraction, and aqueous enzymatic extraction ...
Qi-Zhao Li, Zheng-Qun Cai
doaj   +1 more source

Damage Mechanism and Sensitivity Analysis of Cement Sheath Integrity in Shale Oil Wells During Multi-Stage Fracturing Based on the Discrete Element Method

Eng
As the retrieval of unconventional oil and gas resources extends to the deep and ultra-deep domains, the issue of cement sheath failure in shale oil wellbores seriously endangers wellbore safety, making it imperative to uncover the relevant damage ...
Xuegang Wang, Shiyuan Xie, Hao Zhang, Zhigang Guan, Shengdong Zhou, Jiaxing Mu, Weiguo Sun, Wei Lian   +7 more
doaj   +1 more source

Extraction of Oil from Egyptian Oil Shale [PDF]

Journal of Petroleum & Environmental Biotechnology, 2015
Oil shales are defined as fine grained sedimentary rocks containing abundant mainly sapropelic organic matter which produce oil on distillation. The present study highlights the characterization of Egyptian origin oil shale using various analytical techniques such as Elemental analysis, Infrared spectroscopy (IR), and the Morphology Study of oil shale (
openaire   +1 more source

Towards a Zero-Waste Biorefinery Using Edible Oils as Solvents for the Green Extraction of Volatile and Non-Volatile Bioactive Compounds from Rosemary

Antioxidants, 2019
The zero-waste biorefinery concept inspired a green oleo-extraction of both natural volatile (e.g., borneol, camphor, o-cymene, eucalyptol, limonene, α-pinene, and terpinen-4-ol) and non-volatile (e.g., carnosol, carnosic, and rosmarinic acid ...
Ying Li, Kunnitee Bundeesomchok, Njara Rakotomanomana, Anne-Sylvie Fabiano-Tixier, Romain Bott, Yong Wang, Farid Chemat   +6 more
doaj   +1 more source

Optimization of Flash Extraction of Akebia trifoliata Seed Oil by the Box-Behnken Response Surface Methodology and Comparison of Oil Yields from Different Origins

Journal of Chemistry, 2022
The aim was to optimize the extraction process of Akebia trifoliata seed oil. Using Akebia trifoliata seed as raw material, the oil extraction rate was used as index.
Rong-Rong Huang, Li-Ye Fan, Qi-Zhao Li
doaj   +1 more source

Green bio-oil extraction for oil crops

IOP Conference Series: Materials Science and Engineering, 2016
The move towards a green bio-oil extraction technique is highlighted in this paper. The commonly practised organic solvent oil extraction technique could be replaced with a modified microwave extraction. Jatropha seeds (Jatropha curcas) were used to extract bio-oil. Clean samples were heated in an oven at 110 ° C for 24 hours to remove moisture content
H Zainab, N Nurfatirah, A Norfaezah, H Othman   +3 more
openaire   +1 more source

Experimental approach versus COSMO-RS assisted solvent screening for predicting the solubility of rapeseed oil

Oilseeds and fats, crops and lipids, 2015
Vegetable oils take a large part in industry for food and non-food applications. However the extraction process of oil from oilseeds includes a solvent extraction step using hexane.
Sicaire Anne-Gaëlle, Abert Vian Maryline, Fine Frédéric, Carré Patrick, Tostain Sylvain, Chemat Farid   +5 more
doaj   +1 more source

Mechanisms of Aqueous Extraction of Soybean Oil [PDF]

, 2009
Aqueous extraction processing (AEP) of soy is a promising green alternative to hexane extraction processing. To improve AEP oil yields, experiments were conducted to probe the mechanisms of oil release.
Campbell, K., Glatz, Charles, Glatz, Charles   +2 more
core   +3 more sources

Effect of Al₂O₃-Ce₂O₃ Composite Film on High Temperature Oxidation Resistance of 304 Stainless Steel [PDF]

Cailiao Baohu
In order to improve the high temperature oxidation resistance of 304 stainless steel， Al2O3 thin films and Al2O3-Ce2O3 composite films were respectively prepared on the surface of 304 stainless steel by sol-gel method using aluminum ...
MA Jing, WANG Tiening, JIANG Qiuyue, FENG Zhihao, ZHANG Xin, LI Jianhui
doaj   +1 more source