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Now showing items 1981-1990 of 2021
Impacts of PVDF polymorphism and surface printing micro-roughness on superhydrophobic membrane to desalinate high saline water
(
Elsevier
, 2021 , Article)
Many studies have focused on increasing the superhydrophobicity of membranes to enhance the sustainable desalination capability of membrane distillation (MD) process. This work focuses on the influences of crystalline ...
Development of novel blend poly (Ethylene Glycol) / Poly(Ethersulfone) polymeric membrane using N-Methyl-2-Pyrollidone and dimethylformamide solvents for facilitating CO2/N2gas separation
(
Elsevier
, 2020 , Conference Paper)
Carbon dioxide (CO2) emissions have been the main cause for anthropogenic climate change. To meet the growing demand for CO2 removal, membrane separation technology using blend membranes is a promising and attractive ...
A polyethylene glycol (PEG) – polyethersulfone (PES)/multi-walled carbon nanotubes (MWCNTs) polymer blend mixed matrix membrane for CO2/N2 separation
(
Springer Science and Business Media B.V.
, 2021 , Article)
Recently, carbon capture utilizing membrane technology has received much attention to limit the adverse effect caused by rising carbon dioxide (CO2) concentration in the atmosphere as they are less energy intensive and ...
Particle swarm optimization and global sensitivity analysis for catalytic co-pyrolysis of Chlorella vulgaris and plastic waste mixtures
(
Elsevier
, 2021 , Article)
This study investigated on the co-pyrolysis of microalgae Chlorella vulgaris and high-density polyethylene (HDPE) waste mixtures which was performed with three types of catalysts, namely limestone (LS), HZSM-5 zeolite, and ...
Laboratory-scale pull-out tests on a geothermal energy pile in dry sand subjected to heating cycles
(
National Research Council of Canada
, 2020 , Article)
Ground source heat pumps coupled with energy piles operate intermittently, subjecting the piles to temperature cycles throughout their lifetime. The research presented in this paper focuses on studying the thermomechanical ...
The state of the knowledge-based economy in the Arab world: cases of Qatar and Lebanon
(
Emerald Group Holdings Ltd.
, 2020 , Article)
Purpose: The purpose of this paper is to examine the current state of the knowledge-based economy in two distinctive case studies in the Arab World: Qatar and Lebanon. Based on five aspects of the knowledge-based economy ...
Doha, Qatar
(
Elsevier
, 2020 , Book chapter)
Car ownership and driving aresupported through substantial oil revenues in Qatar. Parking is mostly free,and supply is allocated based on minimums rather than maximums. Whilemuch space is dedicated to parking, especially ...
Policy borrowing and developing knowledge economies in GCC countries: a critique from a Human Capital Theory perspective
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Springer Science and Business Media B.V.
, 2021 , Article)
Globalization presents Gulf Cooperation Council (GCC) countries with opportunities for economic growth and transformation, as many of these nations face economic challenges such as the need for a diversified knowledge-based ...
Teachers’ Experiences and Challenges with Student Diversity in Qatar’s Government Schools
(
Common Ground Research Networks
, 2021 , Article)
Globalization has changed the demographics of the Gulf Cooperation Countries (GCC) countries creating vastly diverse resident populations. Notably, Qatar has emerged as a multinational and multicultural nation. Qatar’s ...
Heat transfer analysis of regenerative thermo-mechanical refrigeration system
(
American Society of Mechanical Engineers (ASME)
, 2020 , Conference Paper)
Refrigeration systems contribute to the critical environmental concerns including global warming and ozone depletion. It is necessary to develop new systems that use renewable energy resources and waste heat to perform the ...