Chemical Engineering: Recent submissions
Now showing items 821-840 of 1182
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Potential for green algae spirulina to capture carbon dioxide from gas stream
( TechConnect , 2016 , Conference)This study evaluated the use of green algae Spirulina microalgae as a C02 capturing technology at different temperatures. The growth of Spirulina at 25 and 30◦C were studied in synthetic wastewater and its performance in ... -
Removal of volatile sulfur compounds by solar advanced oxidation technologies and bioprocesses
( Elsevier Ltd , 2016 , Article)The degradations of volatile sulfur compounds (VSCs) by advanced oxidation technology, solar advanced oxidation technology, biological treatment, and the combination of solar advanced oxidation technology and biological ... -
A systematic visual methodology to design ionic liquids and ionic liquid mixtures: Green solvent alternative for carbon capture
( Elsevier Ltd , 2016 , Article)Ionic liquids (ILs) have gained great interest recently to substitute volatile organic compounds (VOCs), since their properties can be tuned to match certain targets and applications. Further to this, another possibility ... -
The impact of mechanical shear on membrane flux and energy demand
( Elsevier B.V. , 2016 , Article Review)The use of forced mechanical shear for both disc membranes (rotating and vibrating disc filtration, RDF and VDF respectively) and hollow fibres (vibrating HF membranes, VHFM) is reviewed. These systems have been extensively ... -
Stability analysis of unstructured finite volume methods for linear shallow water flows using pseudospectra and singular value decomposition
( Elsevier Ltd , 2016 , Article)The discretization of the shallow water system on unstructured grids can lead to spurious modes which usually can affect accuracy and/or cause stability problems. This paper introduces a new approach for stability analysis ... -
Performance Of Chlorella Vulgaris, Neochloris Oleoabundans, and mixed indigenous microalgae for treatment of primary effluent, secondary effluent and centrate
( Elsevier B.V. , 2016 , Article)The objective of this study was to investigate and compare the growth rate and treatment efficiency of Chlorella vulgaris, Neochloris oleoabundans and mixed indigenous microalgae for the removal of organic carbon, nitrogen ... -
Intercalation of ionic liquids into bentonite: Swelling and rheological behaviors
( Elsevier B.V. , 2016 , Article)In this study, direct intercalation of three different green ionic liquids (ILs) having different salt and cation sizes into bentonite interlayer is investigated. The ILs covered in this study are: 1-hexyl-3-methylimidazolium ... -
Heavy metal removal from aqueous solution by advanced carbon nanotubes: Critical review of adsorption applications
( Elsevier , 2016 , Article Review)The scarcity of water, especially in arid and semi-arid regions of the world is exerting great pressure on resources and establishing more need to provide good quality water for human and other consumptions. Water ... -
Corrosion Behavior of Carbon Steel in CO2 Saturated Amine and Imidazolium-, Ammonium-, and Phosphonium-Based Ionic Liquid Solutions
( American Chemical Society , 2016 , Article)This work presents a recent investigation on corrosion behavior of carbon steel amine and ionic liquid based carbon dioxide absorbents. The first class focused on classical amine solutions: monoethanolamine (MEA), ... -
Self-organization in ionic liquids: From bulk to interfaces and films
( Sociedade Brasileira de Quimica , 2016 , Article)In this contribution we present an overview on the relation between the complex structure of ionic liquids (ILs) and its impact in the field of surface science. The results herein described result mainly from modeling and ... -
Synthesis, characterization and evaluation of porous polybenzimidazole materials for CO2 adsorption at high pressures
( Springer New York LLC , 2016 , Article)Porous polybenzimidazole polymers have been under investigation for high and low pressure CO2 adsorption due to the well-built stability under high pressure and at various temperatures. Pressure swing and temperature swing ... -
Reducing flux decline and fouling of direct contact membrane distillation by utilizing thermal brine from MSF desalination plant
( Elsevier B.V. , 2016 , Article)Fouling and scaling is one of the major challenges in membrane distillation process. This study investigates the utilizing of thermal rejected brine produced from multi-stage flash distillation (MSF) to minimize fouling ... -
Projection of Significant Wave Height in a Coastal Area under RCPs Climate Change Scenarios
( American Society of Civil Engineers (ASCE) , 2016 , Article)This article provides multimodel and multiscenario projections of significant wave height for the Qatar coast. Significant wave height is used for practical purposes such as offshore and coastal structure design as well ... -
Removal of crystal violet from wastewater using resorcinol-formaldehyde carbon xerogels
( Taylor and Francis Inc. , 2016 , Article)Resorcinol-formaldehyde activated carbon xerogels (RF-ACXs) were prepared at different conditions. RF-ACXs were characterized by Fourier transform infrared spectroscopy, surface area and porosity analyzer, X-rays diffraction, ... -
Flocculation and viscoelastic behavior of industrial papermaking suspensions
( Springer New York LLC , 2016 , Article)The effects of the surface charge type and density C496, C492 and A130LMW polyacrylamides (PAMs) on the rheological behavior of real industrial papermaking suspensions were quantitatively related to the degree of flocculation ... -
Propylene oxide assisted sol-gel synthesis of zinc ferrite nanoparticles for solar fuel production
( Elsevier Ltd , 2016 , Article)This paper reports the synthesis of phase-pure Zn-ferrite nanoparticles with high specific surface area (SSA) via the propylene oxide (PO) assisted sol–gel method. For the synthesis of Zn-ferrite, metal precursors (ZnCl2 ... -
Effects of electron acceptors on removal of antibiotic resistant Escherichia coli, resistance genes and class 1 integrons under anaerobic conditions
( Elsevier B.V. , 2016 , Article)naerobic biotechnologies can effectively remove antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs), but there is a need to better understand the mechanisms. Here we employ bioelectrochemical systems ... -
Dynamic simulation and optimization targeting emission source reduction during an ethylene plant start-up operations
( Elsevier Ltd , 2016 , Article)Chemical plant flare minimization has been practiced not only during regular operating conditions but also abnormal operations such as start-ups, shutdowns, and process upsets. This paper focuses on introducing a generic ... -
Integration of Energy and Wastewater Treatment Alternatives with Process Facilities to Manage Industrial Flares during Normal and Abnormal Operations: Multiobjective Extendible Optimization Framework
( American Chemical Society , 2016 , Article)This work reports an extendible multiobjective optimization framework to find the optimal configuration of energy utilization and wastewater treatment facility of the process. It incorporates two sustainable energy integration ... -
A review of safety indices for process design
( Elsevier Ltd , 2016 , Article Review)Several indices have been developed as a measure of safety for different pieces of equipment, use of chemicals and operating conditions in transformation processes. Current efforts are being observed on the application of ...
