Browsing Chemical Engineering by Title
Now showing items 647-666 of 1173
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Limitations and high pressure behavior of MOF-5 for CO2 capture
( Royal Society of Chemistry , 2013 , Article)Porous network structures (e.g. metal–organic frameworks, MOFs) show considerable potential in dethroning monoethanol amine (MEA) from being the dominant scrubber for CO2 at the fossil-fuel-burning power generators. In ... -
Limits and possible solutions in quantum dot organic solar cells
( Elsevier Ltd , 2018 , Article Review)In this review article, we present recent advancements in the field of organic photovoltaics (OPV) that have been achieved through the applications of quantum dots (QDs). We describe the leading experimental accomplishments ... -
Lipid production under a nutrient-sufficient condition outperforms starvation conditions due to a natural polarization of lipid content in algal biofilm
( Elsevier Ltd , 2023 , Article)Attached algae cultivation for biofuel production has received proliferated attention given its advantage to reduce harvesting/dewatering costs and contamination risk. In this study, the effects of various nutrient starvation ... -
Lithium loaded coal fly ash as sustainable and effective catalyst for the synthesis of glycerol carbonate from glycerol
( Elsevier Ltd , 2021 , Article)Coal fly ash (CFA) has been employed as a catalytic support for lithium ions by impregnation. The basicity, basic strength, and stability of the resultant catalyst were further tuned by varying active species concentration ... -
Long-term residential exposure to PM2.5, PM10, black carbon, NO2, and ozone and mortality in a Danish cohort
( Elsevier Ltd , 2019 , Article)Air pollutants such as NO2 and PM2.5 have consistently been linked to mortality, but only few previous studies have addressed associations with long-term exposure to black carbon (BC) and ozone (O3). We investigated the ... -
Long-Term Treatment of Highly Saline Brine in a Direct Contact Membrane Distillation (DCMD) Pilot Unit Using Polyethylene Membranes
( MDPI , 2022 , Article)Membrane distillation (MD) is an attractive separation process for wastewater treatment and desalination. There are continuing challenges in implementing MD technologies at a large industrial scale. This work attempts to ... -
Looking Ahead: Restructuring Chemical Engineering Undergraduate Curriculum for Optimal Impact of Process Simulation: Student Benefits in Optimization and Sustainability
( American Society for Engineering Education , 2021 , Article)Proper chemical process simulation knowledge is valuable for senior chemical engineering students to deliver optimal design outcomes and achieve many learning objectives. This study aims to highlight the benefits of ... -
Loss circulation in drilling and well construction: The significance of applications of crosslinked polymers in wellbore strengthening: A review
( Elsevier B.V. , 2020 , Article Review)Loss circulation is one of the major concerns in drilling and well construction. The uncontrolled flow of fluids into formation while drilling or primary cementing lead to substantial non-productive time (NPT). The methods ... -
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 ... -
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 ... -
Machine Learning for Capillary Pressure Estimation
( Society of Petroleum Engineers (SPE) , 2022 , Article)Capillary pressure plays an essential role in controlling multiphase flow in porous media and is often difficult to be estimated at subsurface conditions. The Leverett capillary pressure function J provides a convenient ... -
Machine learning in hydrogen production
( Institution of Chemical Engineers , 2022 , Other)Global demand for clean fuels is growing due to pollution and global warming. Undoubtedly, hydrogen is one of the main options for producing clean energy, which has been receiving special attention for years and global ... -
Magnetic separation of micron-sized particles: process study and regression modelling using moving least squares and multivariable power least squares method
( Taylor and Francis Ltd. , 2022 , Article)The presence of fine particles has reduced the quality of water resources. Unfortunately, the fine particles normally take a longer time to be removed. Realizing this, the present study aims to employ a magnetic adsorbent ... -
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 ...
