Results 21 to 30 of about 581,864 (396)

Monitoring the Biodegradation Progress of Naphthenic Acids in the Presence of <i>Spirulina platensis</i> Algae. [PDF]

Toxics
The experiments in this study investigated the toxicity of naphthenic acids (NAs) on the algal culture Spirulina platensis. The tests monitored the progression of the algal suspension in media contaminated with various concentrations of naphthenic acids.
Gheorghe CG, Dusescu-Vasile CM, Popovici DR, Bombos D, Dragomir RE, Dima FM, Bajan M, Vasilievici G.   +7 more
europepmc   +2 more sources

Volatile Organic Compound Emission Status and Control Perspectives in the Petroleum Refining Industry in China

Atmosphere, 2022
Given the increasingly serious ozone pollution, petroleum refining has received more attention, since it is one of the dominant volatile organic compound-emitting industries in China.
S. Sha, Siming Liu, Minchao Huang, Na Fan, Na Wang, Mei Cai   +5 more
semanticscholar   +1 more source

Xylene Isomerization using Hierarchically Mesoporous ZSM-5

Bulletin of Chemical Reaction Engineering & Catalysis, 2023
The current study described the synthesis of H-ZSM-5 zeolites with hierarchical micro-meso- porosity (HM-ZSM-5-x) via the soft-templating route, employing organosilane surfactant, 3-[(trimethoxysilyl) propyl]octyldimethyl-ammonium chloride, as the ...
Ahmed El Fadaly, M. A. Sayed, Ahmed O. Abo El Naga, Mohamed El Saied, Seham Ali Shaban, Fouad I. Elhosiny   +5 more
doaj   +1 more source

Oxidative Desulfurization of Sour Gas Condensate and Optimization of Parameters with Response Surface Methodology [PDF]

Journal of Sciences, Islamic Republic of Iran, 2020
Reducing environmental pollution via elimination of sulfur compounds from gas condensate was the aim of this research. Whereby oxidative desulfurization from gas condensate with 3200 ppm initial sulfur was accomplished by hydrogen peroxide (30%wt) as ...
mehdi alibolandi, maryam ghaedian, Amin Shafeghat, Sayed Javid Royaee, Jafar Tofighi Darian   +4 more
doaj   +1 more source

Comparative environmental life cycle assessment of carbon capture for petroleum refining, ammonia production, and thermoelectric power generation in the United States

International Journal of Greenhouse Gas Control, 2019
Ben Young, Michelle Krynock, Derrick Carlson, Troy R. Hawkins, Joe Marriott, Ben Morelli, Matthew Jamieson, Gregory Cooney, Timothy Skone   +8 more
openalex   +2 more sources

Circular Economy Approach on Energy Cogeneration in Petroleum Refining

Energies, 2022
The heat recovery of hot exhaust air in petroleum refining for energy cogeneration is a circular strategy to reduce costs and environmental impact. Despite several articles on this subject, there is a lack of study on the assessment of the economic and ...
L. Pinto, H. N. P. Tucci, G. Mummolo, G. Neto, F. Facchini   +4 more
semanticscholar   +1 more source

Efficient CO2 methanation using nickel nanoparticles supported mesoporous carbon nitride catalysts

Scientific Reports, 2023
The CO2 methanation technique not only gives a solution for mitigating CO2 emissions but can also be used to store and convey low-grade energy. The basic character and large surface area of mesoporous carbon nitride, (MCN), are considered promising ...
Zakaria Refaat, Mohamed El Saied, Ahmed O. Abo El Naga, Seham A. Shaban, H B Hassan, Mohamed Refaat Shehata, F. Y. El Kady   +6 more
doaj   +1 more source

Simulation and retrofitting of mass exchange networks in fertilizer plants

Scientific Reports, 2023
This paper presents a simulation technique for optimizing a hydrogen integration network. By applying this technique, the minimum fresh hydrogen consumption can be determined.
Abeer M. Shoaib, Amr A. Atawia, Mohamed H. Hassanean, Ahmed A. Bhran   +3 more
doaj   +1 more source

Optimum rescheduling of water networks for batch processes using a goal programming technique

Scientific Reports, 2023
Batch processes are relevant to a wide variety of industries in chemical processes. In batch operations, water sources are almost not directly reused/recycled in process sinks without considering time constraints and storage tanks. However, storage tanks
Fatma M. Ayyad, Walaa M. Shehata, Ahmed A. Bhran, Abeer M. Shoaib   +3 more
doaj   +1 more source

Characterization of various zinc oxide catalysts and their activity in the dehydration-dehydrogenation of isobutanol [PDF]

Journal of the Serbian Chemical Society, 2008
Mono and bifunctional zinc oxide catalysts were prepared to study their activity in the catalytic conversion of isobutanol. The prepared catalysts were characterized by X-ray diffraction analysis and nitrogen adsorption measurements.
Saad Lamia, Riad Mary
doaj   +1 more source