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Reducing energy consumption of CO2 desorption in CO2-loaded aqueous amine solution using Al2O3/HZSM-5 bifunctional catalysts
Published 2018“…The aim of this work is to find a potential way for great decrease in CO2 capture energy requirement. Here, for the first time, a series of bifunctional Al2O3/HZSM-5 catalysts (Al-ZSM) were prepared by the combined precipitation ultrasound method and used for the CO2 desorption process. …”
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Reactive Absorption of CO2 Using Ethylaminoethanol Promoted Aqueous Potassium Carbonate Solvent
Published 2016“…The N2O analogy was employed for the determination of H_(CO2) in the APCE solvent. The H_(CO2) was observed to be decreased by 5 and 31% due to the increase in the EAE concentration from 0.6 to 2 kmol/m3 and reaction temperature from 303 to 318 K, respectively. …”
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Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization
Published 2018“…The tolerance of the strains to increased concentrations of CO2 in the gas phase was also studied for CO2 concentrations ranging from 5% to 30% (v/v). …”
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Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review
Published 2016“…Figure 2 shows the anodic current as a function of time in a potentiostatic test in the NaCl solution at pH 6.3 (pCO2 = 1bar) and an applied potential of ? 500 mV (vs SCE), together with the intensities of the Fe and FeCO3 signals from the in-situ synchrotron XRD [1]. …”
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Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
Published 2022“…Focusing on the effect of pressure, RDF peaks intensities increase, although this effect is limited to the 1-5 MPa range. Moreover, the high CO2 presence further decreases the effect of pressure on methane adsorption. …”
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Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate
Published 2020“…This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst (Ti/Ir1-xTaxOy/TiO2; denoted as an n-TEC) while simultaneously converting CO2 to formate on a Bi electrode in aqueous bicarbonate solutions at circum-neutral pH. …”
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CO2 methanation using sugarcane bagasse biochar/nickel sustainable catalysts
Published 2024“…The catalytic activity increased upon elevating the nickel nitrate loading up to 0.5 mmolNi/gSCB and then decreased with increasing the Ni. …”
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Impact of clays on CO2 adsorption and enhanced gas recovery in sandstone reservoirs
Published 2021“…Moreover, raising the temperature to 75 °C decreased the CO2 uptake on sandstones. However, the alteration of clays crystallinity at a temperature of 100 °C improves the CO2 adsorption. …”
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Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution
Published 2023“…Electrochemical tests of Tafel and AC impedance, were used to determine the corrosion rate of carbon steel (C-steel) and protection efficiency in CO2-saturated 3.5 wt% NaCl solution. The surface morphology was characterized using FESEM coupled with EDX. …”
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Co2 Removal Using Imidazolium-Based Ionic Liquid -Aspen Plus Modelling Study
Published 2023“…Novel technologies that decrease the level of CO2 in our atmosphere are crucial for minimizing the potential risks associated with climate change, and immediate advancements are needed for such technologies to operate at global level. …”
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Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor
Published 2017“…At 22% CO2 the Rc and μ decreased by around an order of magnitude, and nutrient removal also decreased to 79% and 50% for N and P, respectively. …”
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Investigating algal CO2 capture through screening of Qatari desert microalgae & cyanobacteria strains
Published 2016“…Forty-five locally isolated marine microalgae strains were screened for growth under increased CO2 concentrations, ranging from 0.04% to 30% (v/v). …”
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Synthesis and characterisation of Co2+-incorporated ZnO nanoparticles prepared through a sol-gel method
Published 2016“…The band gap of the Co2+-doped ZnO samples decreased from 3.19 to 2.66 eV as the content of dopant Co2+ increased from 0.0 to 1.0 wt.%. …”
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A process for CO2 capture and brine salinity reduction through reaction with potassium hydroxide: A multi-stage evaluation
Published 2022“…Reducing these ions decreased the competitive reactions and thus increased CO2 solubility and reactivity with KOH, resulting in higher cumulative CO2 uptake from all stages to 108.2 g CO2/1000 ml, which was 8.3% more than the second method. …”
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Characterization of polysulfone/diisopropylamine 1-alkyl-3-methylimidazolium ionic liquid membranes: high pressure gas separation applications
Published 2020“…DSC traces show that the Tg of PSF was 149.5 C and decreases gradually for the composites. …”
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