Chemical Engineering: المرسلات الحديثة
السجلات المعروضة 581 -- 600 من 1172
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Computational Screening of Potential Inhibitors of Desulfobacter postgatei for Pyrite Scale Prevention in Oil and Gas Wells
( American Chemical Society , 2021 , Article)Sulfate-reducing bacteria (SRB), such as Desulfobacter postgatei are found in oil wells. However, they lead to the release of hydrogen sulfide. This in turn leads to the iron sulfide scale formation (pyrite). ATP sulfurylase ... -
Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study
( Elsevier B.V. , 2021 , Article)Density functional theory is used to study the adsorption of natural gas components in calcite (10.4) cylindrical nanopores with 1–4 nm diameters. The change of adsorption energy with the diameter of the nanopores is studied ... -
Ab-Initio Molecular Dynamics investigation of gas adsorption on α-quartz (001) for CO2 enhanced natural gas recovery
( Elsevier B.V. , 2021 , Article)In this work, the interaction of methane and carbon dioxide on α-quartz with surface 001, with a siloxane termination (dense) surface was investigated by means of Ab-Initio Molecular Dynamics. Different temperatures were ... -
Calcite Scale Inhibition Using Environmental-Friendly Amino Acid Inhibitors: DFT Investigation
( American Chemical Society , 2021 , Article)Scale prevention is a long-term challenge. It is essential for ensuring the optimum utilization of oil and gas wells and minimizing economic losses due to disruptions in the hydrocarbon flow. Among the commonly precipitated ... -
Enhancing the flocculation of stable bentonite suspension using hybrid system of polyelectrolytes and NADES
( Elsevier B.V. , 2022 , Article)In this study, the influence of a hybrid coagulation/flocculation process on the electrokinetic of highly stable bentonite suspension has been examined. Choline chloride (ChCl) based natural deep eutectic solvent (NADES) ... -
Gelation kinetics of functionalized silica crosslinked polymeric gels used in conformance control applications
( John Wiley and Sons Inc , 2021 , Article)The potential crosslinking of three types of nitrogen-containing functionalized silica (TAAcONa, guanidine, and triamine) with polyacrylamide (PAM) has been investigated. Only triamine silica was able to crosslink with ... -
A CFD- RSM study of cuttings transport in non-Newtonian drilling fluids: Impact of operational parameters
( Elsevier B.V. , 2022 , Article)Cuttings removal out of the wellbore represents a real barrier for successful drilling operations. The performance of hole cleaning is determined by several factors. The current article provides a theoretical study of the ... -
Electrochemical removal of pyrite scale using green formulations
( Nature Research , 2021 , Article)Pyrite scale formation is a critical problem in the hydrocarbon production industry; it affects the flow of hydrocarbon within the reservoir and the surface facilities. Treatments with inorganic acids, such as HCl, results ... -
Investigation of thin-film composite hollow fiber forward osmosis membrane for osmotic concentration: A pilot-scale study
( Springer , 2022 , Article)The current study applied the forward osmosis (FO) based osmotic concentration (OC) process at the pilot-scale for concentrating synthetic feed solution (FS). The process water (PW) salinity represents effluents from the ... -
Synthesis and evaluation of a novel polyacrylamide functionalized nano-silica as a calcium carbonate inhibitor in upstream applications
( Elsevier B.V. , 2022 , Article)Calcium carbonate scale forms in production and injection wells, precipitating upon pressure and temperature changes, incompatible water mixing, and dehydration. Production shutdown is one of the most dramatic consequences ... -
Adsorption of CO2 on Cu/SiO2 nano-catalyst: Experimental and theoretical study
( Elsevier B.V. , 2022 , Article)Copper-based silica is a promising catalyst for several reaction pathways for CO2 conversion to hydrocarbons. The activity of this catalyst in terms of conversion and product selectivity is affected by CO2 adsorption, ... -
Computational thermodynamic analysis of solar fuel production via metal oxide based H2O and CO2 splitting thermochemical cycles
( AIChE , 2015 , Conference Paper)In this paper thermodynamic feasibility of the production of solar fuel via SnO2/SnO based thermochemical CO2 splitting redox reactions was investigated. The first step is the thermal dissociation of SnO2 into SnO where ... -
Solar thermochemical reforming of natural gas via metal oxide based redox reactions
( AIChE , 2015 , Conference Paper)This paper reports the thermodynamic analysis of Sm2O3 based solar thermochemical CH4 reforming process. Thermodynamic equilibrium compositions of the syngas production via CH4 reforming via Sm2O3 reduction as a function ... -
Thermochemical conversion of H2O and CO2 into solar fuels via metal oxide based redox reaction
( AIChE , 2015 , Conference Paper)This paper reports the thermodynamic analysis of the production of solar syngas (a mixture of H2 and CO with molar ratio equal to 2: 1) via ZnO/Zn based thermochemical H2O and/or CO2 splitting redox reactions. Solar syngas ... -
Aqueous ethylaminoethanol blended solvents: Promising candidates for CO2 capture
( AIChE , 2015 , Conference Paper)This paper reports the investigation of effect of temperature on physico-chemical properties of formulated solvent (comprises on ethylaminoethanol, N-methyl-2-pyrollidone, and K2CO3/KHCO3) and reaction kinetics of the ... -
A novel two-step metal oxide - Metal sulfate water splitting cycle for the production of solar hydrogen
( AIChE , 2015 , Conference Paper)This paper reports the thermodynamic analysis of solar H2 production via two-step thermochemical Strontium oxide - Strontium Sulfate (SO-SS) water splitting cycle. The first step belongs to the exothermic oxidation of SrO ... -
CO2 capture using aqueous ethylaminoethanol: Study of oxidative degradation
( AIChE , 2015 , Conference Paper)This paper reports oxidative degradation of various aqueous solutions of alkanolamines as an effort to find a suitable replacement for monoethanolamine (MEA). Diethanolamine (DEA), triethanolamine (TEA), methyl diethanolamine ... -
Understanding ethanol hydrogen abstraction mechanism on CuNi catalyst
( AIChE , 2015 , Conference Paper)In this work we report the synthesis of copper oxide nanoparticles using solution combustion synthesis. These nanopowders are used as catalyst in ethanol decomposition reaction for hydrogen production. In situ study of ... -
Removal of volatile organic sulphur compounds by solar advanced oxidation technologies and bioprocesses oxidation treatment of volatile organic sulphur compounds
( AIChE , 2015 , Conference Paper)The degradations of volatile organic sulfur compounds (VOSCs) by advanced oxidation technology, solar advanced oxidation technology, biological treatment, and the combination of solar advanced oxidation technology and ... -
Understanding ethanol hydrogen abstraction mechanism on CuNi catalyst
( AIChE , 2015 , Conference Paper)In this work we report the synthesis of copper oxide nanoparticles using solution combustion synthesis. These nanopowders are used as catalyst in ethanol decomposition reaction for hydrogen production. In situ study of ...