Results 11 to 20 of about 3,078,576 (239)

An environmentally friendly and cost-effective application of silica modification in water to prepare crude oil flow improver

open access: yesResults in Engineering
The extensive consumption of organic solvents in chemical production poses significant environmental and health hazards. Herein, a surface modified silica crude oil flow improver was successfully prepared by using distilled water as a green and ...
Jingwen Yang   +7 more
doaj   +2 more sources

Low Temperature Rheological Behavior of Umbarka Waxy Crude and Influence of Flow Improver Etude du comportement rhéologique du brut paraffinique d'Umbarka à basse température et de l'influence d'un additif pour l'amélioration des caractéristiques d'écoulement

open access: yesOil & Gas Science and Technology, 2006
The low temperature flow properties; pour point and rheological parameters; have been determined for untreated and additive treated Umbarka waxy crude.
El-Gamal I. M., Gad E. A. M.
doaj   +2 more sources

Expansion of the feedstock base for the production of diesel fuel by involving the heavy fractions and cold flow improvers

open access: yesOil & Gas Science and Technology, 2020
In this paper, the viability of expanding the feedstock base of diesel fuel production by the involvement of the heavy diesel fraction and the use of cold flow improvers was shown.
Kirgina Maria   +4 more
doaj   +1 more source

Prediction of thickening efficiency of olefin copolymers and kinematic viscosities of the blended base oils by determining intrinsic viscosities of the copolymers in cyclohexane

open access: yesEgyptian Journal of Petroleum, 2022
The engine oil contains various performance additives along with polymer-based viscosity index improver, which are made from special types of flexible long chain polymers whose functionality is derived from their thickening efficiency, viscosity ...
M.S. Negi   +4 more
doaj   +1 more source

Biogas Production Using “Gas Endeavour” Automatic Gas Flow System

open access: yesChemistry Proceedings, 2023
In recent years, there have been growing concerns about finding alternatives to fossil fuels, and biomass could be one of them. To ensure the production of biogas as one of the alternative sources, the development of anaerobic digestion technologies for ...
Grigore Psenovschi   +6 more
doaj   +1 more source

Molecular Characteristics of Fatty Acid Methyl Ester (FAME) in Waxy Crude as Flow Improver

open access: yesChemical Engineering Transactions, 2022
Mitigation of wax deposition is of major interest, especially in the oil and gas industry, to minimize the flow assurance and production problems. In view of financial savings, the currently established method still has more opportunities to improve ...
Ameer Naqiuddin Baharudin   +4 more
doaj   +1 more source

Effect of the drying method and texture improvers on reconstitution behavior of yogurt powder: physical and microbiological properties

open access: yesVitae, 2021
BACKGROUND: One of the most used and effective preservation strategies in foods is drying. However, there are problems with the rheological properties, color, and viability of lactic acid bacteria in the yogurt once reconstituted when applying such ...
Robinson Monsalve-Atencio   +5 more
doaj   +1 more source

metoppv/improver: 1.6.0

open access: yes, 2023
What's Changed Update generate-percentiles Doc String by @mspelman07 in https://github.com/metoppv/improver/pull/1923 Remove system_packages option by @gavinevans in https://github.com/metoppv/improver/pull/1929 Updated metadata documentation part 5 ...
Benjamin Owen   +28 more
core   +1 more source

Synthesis of Alkyl Aliphatic Hydrazine and Application in Crude Oil as Flow Improvers

open access: yesEnergies, 2021
In this paper, alkyl aliphatic hydrazine, which is different from traditional polymer fluidity improver, was synthesized from aliphatic hydrazine and cetane bromide, and evaluated as a pour point and viscosity-reducer depressant for crude oil.
Qiang Deng   +6 more
doaj   +1 more source

Application of Bio-Derived Alternatives for the Assured Flow of Waxy Crude Oil: A Review

open access: yesEnergies, 2023
High molecular weight paraffin/wax precipitates in the solution of crude oil when the surrounding temperature falls below the wax appearance temperature, which causes the problem of wax deposition in pipelines.
Ron Chuck Macola Gabayan   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy