Chemical Engineering: Recent submissions
Now showing items 821-840 of 1174
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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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
Mathematical modeling based evaluation and simulation of boron removal in bioelectrochemical systems
( Elsevier B.V. , 2016 , Article)Boron removal is an arising issue in desalination plants due to boron's toxicity. As an emerging treatment concept, bioelectrochemical systems (BES) can achieve potentially cost-effective boron removal by taking advantage ... -
Process safety and abnormal situation management
( Elsevier Ltd , 2016 , Article Review)This review paper summarizes process safety aspects of abnormal situations and incidents in industrial facilities. Major accidents and their negative impacts on health, safety and environment have shown the importance of ... -
High-pressure CO2/N2 and CO2/CH4 separation using dense polysulfone-supported ionic liquid membranes
( Elsevier B.V. , 2016 , Article)Four ionic liquids (ILs) were blended with polysulfone (PSF) to produce functional dense polymer-supported IL membranes (DPSILMs). The main aim was to investigate the applicability of the DPSILMs in industrial gas processing ... -
Quasi-Solid-State Dye-Sensitized Solar Cells Based on Ru(II) Polypyridine Sensitizers
( Wiley-VCH Verlag , 2016 , Article)The Ru(II) polypyridine complexes SA22 and SA25 consisting of anchoring and light harvesting moieties and possessing broad light absorption spectra were used to fabricate and optimize dye‐sensitized solar cells (DSSCs). ... -
Mathematical modeling assisted investigation of forward osmosis as pretreatment for microbial desalination cells to achieve continuous water desalination and wastewater treatment
( Elsevier , 2016 , Article)Coupling forward osmosis (FO) with microbial desalination cells (MDCs) can lead to some synergistic benefits, i.e. simultaneous water recovery, desalination and removal of COD (chemical oxygen demand). Herein, an FO-MDC ... -
Field study comparing the effect of hydraulic mixing on septic tank performance and sludge accumulation
( Taylor and Francis Ltd. , 2016 , Article)This study investigates the effect of hydraulic mixing on anaerobic digestion and sludge accumulation in a septic tank. The performance of a septic tank equipped with a hydraulic mixer was compared with that of a similar ... -
Solar co-production of samarium and syngas via methanothermal reduction of samarium sesquioxide
( Elsevier Ltd , 2016 , Article)This paper reports the thermodynamic analysis of the solar methanothermal reduction of Sm2O3 for the co-production of Sm and syngas in (a) Sm-Syngas open cycle, and (b) Sm-Syngas closed cycle. As per the chemical thermodynamic ... -
New insights on estimating pore size distribution of latex particles: Statistical mechanics approach and modeling
( Elsevier B.V. , 2016 , Article)New statistical mechanics approach for pore size distribution applied in wide the relative pressure range is proposed. The new proposed model was applied to nitrogen adsorption-desorption isotherms at 77 K onto five ...