Gas Processing Center: Recent submissions
Now showing items 281-300 of 494
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Calcite Scale Inhibition Using Environmental-Friendly Amino Acid Inhibitors: DFT Investigation
( American Chemical Society , 2021 , Article)Scale prevention is a long-term challenge. It is essential for ensuring the optimum utilization of oil and gas wells and minimizing economic losses due to disruptions in the hydrocarbon flow. Among the commonly precipitated ... -
Investigation of thin-film composite hollow fiber forward osmosis membrane for osmotic concentration: A pilot-scale study
( Springer , 2022 , Article)The current study applied the forward osmosis (FO) based osmotic concentration (OC) process at the pilot-scale for concentrating synthetic feed solution (FS). The process water (PW) salinity represents effluents from the ... -
Gelation kinetics of functionalized silica crosslinked polymeric gels used in conformance control applications
( John Wiley and Sons Inc , 2021 , Article)The potential crosslinking of three types of nitrogen-containing functionalized silica (TAAcONa, guanidine, and triamine) with polyacrylamide (PAM) has been investigated. Only triamine silica was able to crosslink with ... -
PdZn nanoparticle electrocatalysts synthesized by solution combustion for methanol oxidation reaction in an alkaline medium
( Royal Society of Chemistry , 2017 , Article)Herein, we report the synthesis of PdZn nanoparticle (NP) electrocatalysts for the methanol oxidation reaction (MOR). The PdZn NPs were synthesized by solution combustion synthesis in the presence of Pd(NO3)2·xH2O, ... -
Potential use of mixed indigenous microalgae for carbon dioxide bio-fixation and advanced wastewater treatment
( AIChE , 2017 , Conference Paper)The potential use of mixed indigenous microalgae (MIMA) as a CO2 capturing technology and treatment process for wastewaters was evaluated at two temperatures ( 25 and 30 C) and different CO2 dosage ( 0%, 5% and 15%). During ... -
The cost benefit of algal technology for combined CO2 mitigation and nutrient abatement
( Elsevier Ltd , 2017 , Article Review)The use of microalgae culture technology (MCT) for mitigating CO2 emissions from flue gases and nutrient discharges from wastewater whilst generating a biofuel product is considered with reference to the cost benefit ... -
Bioremediation and nutrient removal from wastewater by Chlorella vulgaris
( Elsevier B.V. , 2018 , Article)The capability of the microalgae Chlorella vulgaris (Cv) for biomass production and nutrients removal under different wastewater quality has been studied. Cv was cultivated in a standard medium (Marine labs American society ... -
Bridging the Energy-Water Gap in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2012 , Conference Paper)Industrial development and demographic growth come at a cost to the climate, not least on its impact on the water resources. The high demand on water usage and the associated production of wastewater requires stringent ... -
Novel Graphene-Zinc Iron Oxide Composite to Enhance Ultrafiltration Membrane Performance for Water Treatment and Desalination
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The main target of membrane technologies such as the Ultrafiltration (UF), Nanofiltration (NF) and Reverse osmosis (RO) is to produce better filtration and separation of organic and inorganic substance from water as well ... -
Mechanical Behavior of a Novel Nanocomposite Polysulphone - Carbon Nanotubes Membrane for Water Treatment
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Nowadays, global fresh water shortage is becoming the most serious problem affecting the economic and social development. Water treatment including seawater desalination and wastewater treatment is the main technology for ... -
Detailed exergy analysis of full scale LNG plant
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Sustainability is one of the major challenges faced by the industrial sector as it is driven by both environmental and economic factors. Energy demands are increasing and, to date, most of the supply is generated via ... -
Recovery of rare earth elements from waste streams using membrane processes: An overview
( Elsevier , 2021 , Article)Recovery of rare earth elements (REEs) has become an attractive process owing to the high costs and limited availabilities of REEs. In addition, the recovery of REEs has become a necessity because of their high toxicity ... -
Evaluation of cellulose triacetate hollow fiber membrane for volume reduction of real industrial effluents through an osmotic concentration process: A pilot-scale study
( Elsevier , 2021 , Article)The current article tackles the challenge of reducing wastewater volumes generated from the gas industry. A forward osmosis (FO) pilot unit, deployed as osmotic concentration (OC) process without the draw solution (DS) ... -
Qatari tight Gas Reservoirs: Molecular Simulation insights toward Estimation of Ultimate Recovery (EUR) from Carbonated Reservoirs
( Qatar University Press , 2021 , Poster)The geometrical properties of the reservoir rocks are usually affected by natural thermodynamics or environmental changes that may affect the amount of gas in place in the reservoir. To address these properties, we conduct ... -
Correlating structure and electronic band-edge properties in organolead halide perovskites nanoparticles
( Royal Society of Chemistry , 2016 , Article)After having emerged as primary contenders in the race for highly efficient optoelectronics materials, organolead halide perovskites (OHLP) are now being investigated in the nanoscale regime as promising building blocks ... -
Enhanced photovoltaic performance with co-sensitization of a ruthenium(ii) sensitizer and an organic dye in dye-sensitized solar cells
( Royal Society of Chemistry , 2016 , Article)Co-sensitization is demonstrated to be an effective technique to enhance the efficiency of dye-sensitized solar cells, where an efficiency of 9.23% is achieved by mixing N3 and RK-1 dyes. The assembled solar cells are ... -
Constructing water-resistant CH3NH3PbI3 perovskite films: Via coordination interaction
( Royal Society of Chemistry , 2016 , Article)Organic-inorganic halide CH3NH3PbI3 (MAPbI3) perovskite solar cells (PSCs) have attracted intensive attention due to their high power conversion efficiency and low fabrication cost. However, MAPbI3 is known to be very ... -
Hot electron and hole dynamics in thiol-capped CdSe quantum dots revealed by 2D electronic spectroscopy
( Royal Society of Chemistry , 2016 , Article)Colloidal quantum dots (QDs) have attracted interest as materials for opto-electronic applications, wherein their efficient energy use requires the understanding of carrier relaxation. In QDs capped by bifunctional thiols, ... -
Hybrid coagulation-NF membrane process for brackish water treatment: Effect of antiscalant on water characteristics and membrane fouling
( Elsevier B.V. , 2016 , Article)Antiscalants have been used to inhibit the formation of scales and reduce the risk of membrane scaling. However, issues such as the increased of biofouling tendency and contradictory observations of organic fouling propensity ... -
Enhanced photovoltaic performance of dye-sensitized solar cells using TiO2-graphene microplatelets hybrid photoanode
( IEEE Electron Devices Society , 2016 , Article)Hybrid photoanodes for dye-sensitized solar cells (DSSCs) were prepared by simple addition of graphene (GR) microplatelets to TiO 2 nanoparticulate paste. Transmission electron microscopy was used to confirm the presence ...