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Now showing items 11-20 of 34
Hydrothermal liquefaction of marine microalgae biomass using co-solvents
(
Elsevier B.V.
, 2019 , Article)
Hydrothermal liquefaction (HTL) of microalgae biomass is a promising conversion technology in which wet biomass is treated under high temperature (280–350 °C) and pressure (5–21 MPa), and the associated water in the wet ...
Development drivers of the water-energy-food nexus in the Gulf Cooperation Council region
(
Routledge
, 2019 , Article)
This article analyses water, food, and energy security in the Gulf Cooperation Council (GCC) countries using the water-energy-food (WEF) nexus approach. The innovative focus is on identifying past and future development-based ...
Comparative scorecard assessment of urban water pricing policies-The case of Jordan and Iran
(
MDPI AG
, 2019 , Article)
Urban water pricing is becoming increasingly important due to the rapid rate of urbanization and the expansion of water reclamation and reuse. The mounting evidence of failures of current pricing schemes makes analyzing ...
Sustainable development in the Arab world–is the Gulf Cooperation Council (GCC) region fit for the challenge?
(
Routledge
, 2019 , Article)
The Gulf Cooperation Council (GCC) region and the wider Arab world are faced with multiple interconnected dilemmas embedded in the social, economic, and environmental pillars of sustainable development. The question of how ...
Comparison of biocrude oil production from self-settling and non-settling microalgae biomass produced in the Qatari desert environment
(
Center for Environmental and Energy Research and Studies
, 2019 , Article)
The present study investigated the growth, harvesting, biocrude conversion, and recycling of the HTL aqueous phase for one self-settling (i.e., Chlorocystis sp.) and another non-settling (i.e., Picochlorum sp.) marine ...
Use of co-solvents in hydrothermal liquefaction (HTL) of microalgae
(
MDPI AG
, 2019 , Article)
This study reviewed and summarized the literature regarding the use of alcohols during hydrothermal liquefaction (HTL) of algal biomass feedstocks. The use of both pure alcohols and alcohol-water co-solvents were considered. ...
Biodegradation of diclofenac by two green microalgae: Picocystis sp. and Graesiella sp.
(
Elsevier
, 2019 , Article)
The aim of the present study was to provide an integrated view of algal removal of diclofenac (DCF). Two isolated microalgal strains Picocystis sp. and Graesiella sp. were cultivated under different DCF concentrations and ...
Long-term semi-continuous cultivation of a halo-tolerant Tetraselmis sp. using recycled growth media
(
Elsevier Ltd
, 2019 , Article)
In this study, a halotolerant Tetraselmis sp. was selected for 11-month outdoor semi-continuous cultivation in one sq. m raceway tank in the Qatari desert. A fraction of the culture was harvested using ferric chloride, and ...
Fabrication and characterization of poly(vinyl alcohol)-Glycerol-Spinel ferrites flexible membranes
(
John Wiley and Sons Inc.
, 2019 , Article)
Polymer membranes of ferrites nanoparticles, glycerol, and poly(vinyl alcohol) (PVA) were fabricated using a solution casting method. Spinel ferrites nanoparticles, CuFe2O4 or ZnFe2O4, and glycerol were used as dopants to ...
Delineating the plastic waste status in the State of Qatar: Potential opportunities, recovery and recycling routes.
(
Elsevier
, 2019 , Article)
The Qatar's national vision (QNV2030) underlines an unequivocal commitment to maintaining harmony between the three inter-dependent pillars of sustainable development: economic growth, social development and environmental ...