تصفح Chemical Engineering حسب العنوان
السجلات المعروضة 865 -- 884 من 1173
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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). ... -
Rapid Curing Environmentally Degradable Polymeric Pill for Loss Circulation Treatment
( Society of Petroleum Engineers (SPE) , 2022 , Conference Paper)Loss circulation is frequent while drilling in naturally fractured or depleted reservoirs, which is usually associated with high non-productive time (NPT). Moreover, naturally pre-existing fractures may propagate when fluid ... -
Reaction kinetics of carbon dioxide in aqueous blends of N-methyldiethanolamine and glycine using the stopped flow technique
( Elsevier , 2016 , Article)Carbon dioxide managements and its association with global worming remains a major concern among governments and the scientific community, with novel, energy efficient and more affordable technologies topping the research ... -
Reaction kinetics of carbon dioxide with aqueous solutions of l-Arginine, Glycine & Sarcosine using the stopped flow technique
( Elsevier , 2017 , Article)The use of amino acids as potential solvents for carbon dioxide (CO2) capture has been considered by a number of researchers. However, very little is known about the kinetics and mechanism of amino acids-CO2 reactions. In ... -
Reactive Absorption of CO2 Using Ethylaminoethanol Promoted Aqueous Potassium Carbonate Solvent
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Atmospheric concentration of CO2, which is considered as one of the major greenhouse gases (GHGs), has increased up to 398 ppmv as of 2015. CO2 concentration in atmosphere was 280 ppmv in pre-industrial era, and due to the ... -
Recent advances in cobalt based heterogeneous catalysts for oxygen evolution reaction
( Elsevier S.A. , 2020 , Article Review)The future of the world energy lies in clean and renewable energy sources. Many technologies, such as solar cells, wind turbines, etc., have been developed to harness renewable energies in different forms of fuel. Amongst ... -
Recent advances in MXene-based nanomaterials for desalination at water interfaces
( Academic Press Inc. , 2022 , Article)The best exceptional Physico-chemical attributes of MXenes including high conductivity, high surface area, high functionalization, hydroxide site, and other interesting properties have attracted recently the attention of ... -
Recent advances in the solar thermochemical splitting of carbon dioxide into synthetic fuels
( Frontiers Media S.A. , 2022 , Article Review)Recent years have seen a sharp rise in CO2 emissions into the atmosphere, which has contributed to the issue of global warming. In response to this several technologies have been developed to convert CO2 into fuel. It is ... -
Recent advances in the thermochemical transformation of biomass to bio-oil, biochar and syngas and its upgrading methods
( Institution of Chemical Engineers , 2022 , Other)The continuous increase in energy demand due to the rapid increase in population and urbanization has increased the dependency on fossil fuels such as oil, natural gas, and coal. For instance, in 2021, the energy demand ... -
Recent advances on activated carbon-based materials for nitrate adsorption: A review
( Elsevier B.V. , 2023 , Article)Nitrate contaminant has a real impact on aquatic environmental systems and public health due to its increasing discharge from agricultural and industrial activities. In particular, high nitrate amount in water can cause ... -
Recent advances on humic acid removal from wastewater using adsorption process
( Elsevier , 2023 , Article Review)Humic acid (HA) is a component of natural organic matter (NOM) with a high molecular weight and high complexity. The presence of humic acid in water raises serious concerns due to its toxicity and ability to form carcinogenic ... -
Recent advances on the treatment of oil fields produced water by adsorption and advanced oxidation processes
( Elsevier , 2022 , Article)The handling and treatment of produced water (PW) generated during oil and gas extraction has continued to be a serious dilemma due to its large quantities and complex composition with variety of pollutants. In this review ... -
Recent developments and advancements in graphene-based technologies for oil spill cleanup and oil-water separation processes
( MDPI , 2022 , Article)The vast demand for petroleum industry products led to the increased production of oily wastewaters and has led to many possible separation technologies. In addition to production-related oily wastewater, direct oil spills ... -
Recent methods in the production of activated carbon from date palm residues for the adsorption of textile dyes: A review
( Frontiers , 2022 , Article)Textile dyes are organic compounds that can pose an environmental threat if not properly treated. They can cause many problems ranging from human health, ecosystem disturbances, and the reduction of the esthetic value of ... -
Recent progress on catalytic co-pyrolysis of plastic waste and lignocellulosic biomass to liquid fuel: The influence of technical and reaction kinetic parameters
( Elsevier B.V. , 2021 , Article Review)Discharge of non-biodegradable plastic waste and lignocellulosic biomass into the environment, and the resultant pollution has persistently increased all over the globe. This activity poses a threat not only to mankind, ... -
Recent progress on nanomaterial-based membranes for water treatment
( MDPI , 2021 , Article Review)Nanomaterials have emerged as the new future generation materials for high-performance water treatment membranes with potential for solving the worldwide water pollution issue. The incorporation of nanomaterials in membranes ... -
Recent progress on tobacco wastes–derived adsorbents for the remediation of aquatic pollutants: A review
( Academic Press Inc. , 2024 , Article)Tobacco (Nicotiana tabacum L.) is a significant crop widely planted worldwide. Its leaves have a special economical value as raw materials for the cigarette industry. During tobacco harvesting and cigarette production, a ... -
Recycled polyethylene/paraffin wax/expanded graphite based heat absorbers for thermal energy storage: An artificial aging study
( MDPI AG , 2019 , Article)An artificial aging study of novel heat absorbers based on phase change materials (PCMs) prepared from recycled high-density polyethylene (HDPE), paraffin wax (PW), and expanded graphite (EG) was investigated. The optimal ... -
Recycling of construction and demolition waste and its impact on climate change and sustainable development
( Springer Nature , 2022 , Article)The huge generated amounts of construction and demolition (C&D) waste around the world, which amounts up to more than 25% of the total generated waste, has become a serious environmental challenge that needs to be addressed. ... -
Recycling of hospital laundry wastewater using membrane technology
( Desalination Publications , 2017 , Article)The laundry wastewater from a Qatari hospital has been characterized and its membrane filtration behavior studied. 1,800-2,500 L or wastewater per cycle for washing a laundry load of 40-50 kg was determined, with the ...