Chemical Engineering: Recent submissions
Now showing items 1021-1040 of 1174
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Potential energy savings and greenhouse gases (GHGs) emissions reduction strategy for natural gas liquid (NGL) recovery: Process simulation and economic evaluation
( Elsevier Ltd , 2018 , Article)Recovery of sales gas and natural gas liquid (NGL) is characterized by its high energy consumption and significant environmental impact. This study explores the effect of design alternatives for NGL recovery on economic, ... -
A process design approach to manage the uncertainty of industrial flaring during abnormal operations
( Elsevier Ltd , 2018 , Article)Flare management challenges are related to the flaring uncertainty during abnormal situations. In this work, a multi-objective optimization framework is upgraded with multi-period optimization and Monte Carlo simulation ... -
Potential use of solar photocatalytic oxidation in removing emerging pharmaceuticals from wastewater: A pilot plant study
( Elsevier Ltd , 2018 , Article)A pilot plant was used to evaluate the potential of solar photocatalytic processes in the treatment of wastewater containing emerging contaminates. Four groups of commonly used pharmaceuticals (antibiotics, estrogens, ... -
Solar driven two-step CH4 reforming and H2O splitting using Al2O3 for Co-production of Al, syngas, and H2
( Elsevier Ltd , 2018 , Article)The thermodynamic equilibrium and efficiency analysis of the solar-driven Al2O3-based CH4 reforming and H2O splitting process is performed in two sections: (1) Al and syngas producing open process (AS), and (2) Al, syngas, ... -
Transition metal doped ceria for solar thermochemical fuel production
( Elsevier Ltd , 2018 , Article)In this paper, the effect of doping of transition metal cations on thermal reduction and CO2 splitting ability of Ce0.9M0.1O2−δ materials (where, M = Ni, Zn, Mn, Fe, Cu, Cr, Co, Zr) is investigated by performing multiple ... -
Mathematical modeling, simulation and optimization of solar thermal powered Encontech engine for desalination
( Elsevier Ltd , 2018 , Article)This paper investigates a solar driven external combustion and regenerative engine, which can be used for desalination of seawater by using gaseous working fluids. The effect of operating and design parameters on engine ... -
Mineralization of dichloromethane using solar-oxidation and activated TiO2: Pilot scale study
( Elsevier Ltd , 2018 , Article)The oxidation of gaseous dichloromethane (DCM) by advanced oxidation technology, advanced solar oxidation technology, biological treatment, and the combination of solar advanced oxidation technology and biological treatment ... -
Reinforced Concrete Degradation in the Harsh Climates of the Arabian Gulf: Field Study on 30-to-50-Year-Old Structures
( American Society of Civil Engineers (ASCE) , 2018 , Article)This paper presents the results of a field study carried out on three reinforced concrete (RC) structures built in the 1960s, 1970s, and 1980s to determine the main load (environmental) and the resistance (for example, the ... -
Cost-effective alkylammonium formate-based protic ionic liquids for methane hydrate inhibition
( Elsevier B.V. , 2018 , Article)In light of current concerns about environmental impact, ionic liquids have been tested in a number of industrial applications, including gas purification, lubrication, and catalysis. In this work, cost-effective ... -
Nanostructured co-precipitated Ce0.9Ln0.1O2 (Ln = La, Pr, Sm, Nd, Gd, Tb, Dy, or Er) for thermochemical conversion of CO2
( Elsevier Ltd , 2018 , Article)The influence of lanthanide metal cations doped into the CeO2 crystal structure (to form Ce0.9Ln0.1O2; Ln = La, Pr, Nd, Sm, Gd, Tb, Dy, or Er) on thermochemical reduction and the CO2 splitting ability of Ce0.9Ln0.1O2 is ... -
Gas templating of resorcinol-formaldehyde xerogels
( Elsevier B.V. , 2018 , Article)Gas templating of gels is a novel route in the know-how technology of templating porous gels. This technology depends basically on infusing certain gases into the media of sol-gel reaction upon the gelation process. The ... -
Low temperature activation of carbon dioxide by Ammonia in Methane dry reforming?A thermodynamic study
( MDPI AG , 2018 , Article)Methane dry reforming (MDR) is an attractive alternative to methane steam reforming for hydrogen production with low harmful environmental emissions on account of utilizing carbon dioxide in the feed. However, carbon ... -
Effective removal of lanthanum ions from aqueous solution using rice husk: Impact of experimental variables
( Desalination Publications , 2018 , Article)The focus of the present work is to optimize different experimental parameters such as nature of electrolyte, pH, amount of adsorbent, ions concentration, equilibration time, temperature, and operating mode. The effective ... -
Life cycle assessment of a microbial desalination cell for sustainable wastewater treatment and saline water desalination
( Elsevier Ltd , 2018 , Article)Microbial desalination cells (MDCs), with bifunctional capacity to simultaneously treat wastewater and desalinate seawater at low energy consumption, have attracted great attention in recent years. However, the environmental ... -
Properties enhancement of Ni-P electrodeposited coatings by the incorporation of nanoscale Y 2 O 3 particles
( Elsevier B.V. , 2018 , Article)In this study the influence of nanoscale Y 2 O 3 particles on structural, morphological, mechanical and the elemental composition of Ni-P coatings have been investigated using scanning electron microscopy (SEM), microhardness, ... -
Molecular Dynamic Simulations of Fibrous Distillation Membranes
( Elsevier Ltd , 2018 , Article)The rate of heat and mass transfer through distillation membranes is typically estimated using an over-simplified, straight-cylindrical-pore approach coupled with several empirical correction factors that are included to ... -
Laundry wastewater treatment using ultrafiltration under different operating conditions
( American Institute of Physics Inc. , 2018 , Conference Paper)The laundry wastewater of one of the hospitals in Qatar was selected and studied. It was found that hospital laundry is releasing considerable amount of wastewater i.e. 1800 - 2500 liters/cycle while washing 40 - 50 kg of ... -
Erosion behavior of API X120 steel: Effect of particle speed and impact angle
( MDPI AG , 2018 , Article)The dry erosion behavior of API-X120 pipeline steel was investigated, under the erosive interaction of aluminum oxide particulates, in a range of speed (43-167 m·s-1) and impact angle (30°-90°). Erosion behavior is ... -
Synthesis and Performance Evaluation of Pulse Electrodeposited Ni-AlN Nanocomposite Coatings
( Hindawi Limited , 2018 , Article)This research work presents the microscopic analysis of pulse electrodeposited Ni-AlN nanocomposite coatings using SEM and AFM techniques and their performance evaluation (mechanical and electrochemical) by employing ... -
Solar Energy Storage via Thermochemical Metal Oxide/Metal Sulfate Water Splitting Cycle
( Materials Research Society , 2018 , Conference Paper)This paper reports the effect of Ar molar flow-rate on thermodynamic efficiency analysis of zinc oxide-zinc sulfate (ZnS-ZnO) water splitting cycle useful for solar H2 production. The thermodynamic efficiency analysis is ...
