Browsing Chemical Engineering by Title
Now showing items 523-542 of 943
-
Machine learning based photovoltaics (PV) power prediction using different environmental parameters of Qatar
( MDPI AG , 2019 , Article)Photovoltaics (PV) output power is highly sensitive to many environmental parameters and the power produced by the PV systems is significantly affected by the harsh environments. The annual PV power density of around 2000 ... -
Managing abnormal operation through process integration and cogeneration systems
( Springer Verlag , 2015 , Article)Flaring is a common industrial practice that leads to substantial greenhouse gas emissions, health problems, and economic losses. When the causes, magnitudes, and frequency of flaring are properly understood and incorporated ... -
Managing Uncertain Industrial Flares during Abnormal Process Operations using an Integrated Optimization and Monte Carlo Simulation Approach
( Elsevier B.V. , 2017 , Book chapter)In this work, an integrated optimization framework with Monte Carlo (MC) simulation techniques is suggested for the systematic synthesis of energy alternative tools, such as cogeneration (COGEN) systems, which can effectively ... -
Mapping the desalination journal: A systematic bibliometric study over 54 years
( Elsevier B.V. , 2022 , Article Review)Desalination is one of the most important techniques that can provide potable water to meet the ever-growing demand for fresh water in many regions. Over the years, desalination techniques have been significantly improved ... -
Markedly improved CO2 capture efficiency and stability of gallium substituted hydrotalcites at elevated temperatures
( American Chemical Society , 2009 , Article)Potassium carbonate promoted, Ga3+ substituted hydrotalcites reported here exhibit very high, selective and reversible CO2 capture from an exhaust gas mixture. The 10% Ga3+ substitution improved the CO2 capture from 0.3 ... -
Mathematical model for predicting sludge accumulation in septic tanks based on operational parameters: effect of hydraulic mixing
( John Wiley & Sons, Ltd. , 2015 , Article)Reporting sludge accumulation in septic tanks as a constant rate is no longer accepted, and there is a need for a model that predicts sludge accumulation in septic tanks taking into consideration the continuous consumption ... -
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 ... -
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 ... -
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 ... -
Mechanical and Electrical Properties of Styrene-Isoprene-Styrene Copolymer Doped with Expanded Graphite Nanoplatelets
( Hindawi Publishing Corporation , 2015 , Article)The molecular dynamics of a triblock copolymer and of expanded graphite nanoplatelets were investigated. Composites were prepared using the solution technique. The effects of filler addition and of filler-matrix interactions ... -
Mechanical, sorption and adhesive properties of composites based on low density polyethylene filled with date palm wood powder
( Elsevier Ltd , 2014 , Article)Low density polyethylene (LDPE) was blended with date palm wood powder (DPW) to prepare composites with concentrations of filler ranging from 10 to 70. wt.%. The Youn?s modulus of the composites significantly increased ... -
Mechanistic and adsorption equilibrium studies of dibenzothiophene-rich-diesel on MnO2-loaded-activated carbon: Surface characterization
( John Wiley and Sons Inc. , 2017 , Article)In this work, the preparation and characterization of MnO2-modified-activated carbon for selective removal of organosulfur compounds including dibenzothiophene were outlined. The deposited particles of the modifier were ... -
Mechanistic insights into the remediation of bromide ions from desalinated water using roasted date pits
( Elsevier B.V. , 2017 , Article)Bromide ions (Br−) are associated with toxic by-products that might be produced during the disinfection of drinking water. The removal of Br− from water using roasted date pits (RODPs) and activated carbon was investigated. ... -
Mechanistic modeling of wellbore cleanout in horizontal and inclined wells
( Society of Petroleum Engineers , 2021 , Conference Paper)The accumulation of rock cuttings, proppant, and other solid debris in the wellbore due to inadequatecleanout remarkably impedes field operations. This article presents a new hole cleaning model, whichcalculates the Critical ... -
Membrane Distillation Crystallization Hybrid Process for Zero Liquid Discharge in QAFCO Plant
( Qatar University Press , 2021 , Poster)Qatar fertilizer company (QAFCO) is one of the world’s largest single site producer of ammonia and urea with production capacity of 12,900 metric tons per day. Currently, QAFCO faces major challenges in terms of water ... -
Membrane surface modification and functionalization
( MDPI , 2021 , Article)[No abstract available] -
Membranes for CO2 Separation
( wiley , 2016 , Book chapter)Membranes are becoming popular for CO2 separation as an environmentally friendly, efficient technology. A comprehensive review of recent studies conducted on CO2 separation from different sources is essential for tracking ... -
Mesoporous and high-surface-Area activated carbon from defatted olive cake by-products of olive mills for the adsorption kinetics and isotherm of methylene blue and acid blue 29
( Elsevier Ltd , 2020 , Article)The K2CO3 activation of defatted olive cake in N2 atmosphere was attempted for activated carbon (DOC-AC) preparation to test its ability for the adsorption of methylene blue (MB) and acid blue 29 (AB 29). The optimum conditions ... -
Mesoporous biohybrid epichlorohydrin crosslinked chitosan/carbon clay adsorbent for effective cationic and anionic dyes adsorption
( Elsevier B.V. , 2020 , Article)Epichlorohydrin crosslinked chitosan/carbon–clay (CSCC) biohybrid adsorbent was prepared for the adsorption of cationic methylene blue (MB) and anionic azo acid blue 29 (AB 29). The 40:60 wt% of chitosan (CS) and carbon–clay ... -
Metal oxide/metal sulfate water splitting cycle for hydrogen generation
( AIChE , 2017 , Conference Paper)This study reports the thermodynamic analysis of the cobalt oxide - cobalt sulfate (CoO - CoS) based water splitting cycle. CoO-CoS cycle consists of two steps: first step - exothermic oxidation of CoO via water splitting ...
