Results 81 to 90 of about 12,867 (222)

Hydrocracking of a Heavy Vacuum Gas Oil with Fischer–Tropsch Wax

open access: yesEnergies, 2020
Catalytic hydrocracking represents an optimal process for both heavy petroleum fractions and Fischer–Tropsch (FT) wax upgrading because it offers high flexibility regarding the feedstock, reaction conditions and products’ quality.
Olga Pleyer   +5 more
doaj   +1 more source

New evidence on the relationship beetween crude oil and petroleum product prices [PDF]

open access: yes
The present study aims at providing new evidence on the price re- lationships between crude oil and petroleum products. We employ single-equation error correction models (ECM) in which both changes in crude oil price and deviations from the long-run ...
G. Frewer, Mario Denni
core  

Modelling of mathematical programs: An analysis of strategy and an outline description of a computer assisted system [PDF]

open access: yes, 1983
The salient components of the mathematical programming modeling activity are first analysed. Earlier generation systems such as program generators and procedural (modelling) languages are briefly discussed.
Lucas, CA, Mitra, G
core  

Innovative Approach to Hydrogen Purification: A Review on the Role of Metal Hydrides

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 21, Issue 1, January/February 2026.
ABSTRACT Metal hydrides, renowned for their unique hydrogen bonding capabilities, have emerged as pivotal materials in the energy sector, particularly for hydrogen storage and purification applications. Their ability to store hydrogen reversibly under moderate conditions has positioned them at the forefront in hydrogen‐based energy systems. This review
T. Mohammed Faheem   +4 more
wiley   +1 more source

Enhanced Heavy Oil Recovery Using Heavy Naphtha During Steam-Based Injection: Environmental-Economic Method

open access: yesIOP Conference Series: Earth and Environmental Science
Abstract This study investigated the enhancement of in-situ heavy crude in the presence of heavy naphtha as a multicomponent hydrogen-donor solvent oil during steam stimulation as an enhanced oil recovery (EOR) technique. The focus was on the influence of temperature and a hydrogen-donor on the upgrading performance of heavy crude oil ...
Ameer H. Al-Rubaye   +4 more
openaire   +1 more source

Increased toxicity of malathion diluted with heavy aromatic naphtha on adult Aedes taeniorhynchus.

open access: yesJournal of the American Mosquito Control Association, 1989
Field tests of ground ULV application of Cythion diluted with heavy aromatic naphtha (HAN), 1:4 ratio, at 0.45 oz AI/acre resulted in a 96% and 49% mortality of caged adult Aedes taeniorhynchus located 150 and 300 ft downwind. Cythion, 0.45 oz AI/acre produced a 33% mortality at 150 ft and a 21% mortality at 300 ft.
B L, Bunner   +3 more
openaire   +2 more sources

Flame tube parametric studies for control of fuel bound nitrogen using rich-lean two-stage combustion [PDF]

open access: yes
An experimental parametric study of rich-lean two-stage combustion in a flame tube is described and approaches for minimizing the conversion of fuel-bound nitrogen to nitrogen oxides in a premixed, homogeneous combustion system are evaluated.
Schultz, D. F., Wolfbrandt, G.
core   +1 more source

Fuel quality processing study, volume 1 [PDF]

open access: yes
A fuel quality processing study to provide a data base for an intelligent tradeoff between advanced turbine technology and liquid fuel quality, and also, to guide the development of specifications of future synthetic fuels anticipated for use in the time
Bela, A.   +7 more
core   +1 more source

The Comparative Analysis of Bonny Light& Bonny Medum Crude Oil Using Simple Distillation and Preflash Model For Maximum Distillate Cuts Recovery (Crude Oil Topping Refinery) [PDF]

open access: yes, 2017
Although Nigeria is currently ranked as the eleventh largest crude oil producing country in the world, scarcity of refined products still exists within the country due to the sub-optimum performance of the four conventional refineries as none can boast ...
Mamudu, Angela Onose
core  

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