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High-Rate Anaerobic Digestion of Waste Activated Sludge by Integration of Electro-Fenton Process
(
MDPI AG
, 2020 , Article)
Anaerobic digestion (AD), being the most effective treatment method of waste activated sludge (WAS), allows for safe disposal. The present study deals with the electro-Fenton (EF) pretreatment for enhancing the WAS biogas ...
Production of flexible nanocomposite membranes for x-ray detectors
(
Elsevier
, 2020 , Article)
Flexible membranes of poly(vinyl alcohol) (PVA) polymer and CuO nanoparticles for x-ray detection applications are reported in this work. PVA represents a polymer matrix for nanoparticles, and its flexibility and electrical ...
First principle investigation of H2Se, H2Te and PH3 sensing based on graphene oxide
(
Elsevier
, 2020 , Article)
Detecting toxic gases is of great importance to protect our health and preserve the quality of life. In this work, graphene (G) and graphene oxide with three different modifications (G–O, G–OH, and G–O–OH) have been used ...
DFT investigation of H2S adsorption on graphenenanosheets and nanoribbons: Comparative study
(
Elsevier
, 2020 , Article)
Graphenenanosheet (GNS), armchair graphenenanoribbon (AGNR), and zigzag graphenenanoribbon (ZGNR) systems were investigated by first principle calculations using the density functional theory (DFT). The DFT calculations ...
Too big to handle, too important to abandon: Reforming Sudan's Gezira scheme
(
Elsevier
, 2020 , Article)
© 2020 The Authors Participatory irrigation management (PIM) has been broadly promoted by public administrators and donor organizations. The reasons for this push include performance failures of state-controlled irrigation ...
Instruments of energy subsidy reforms in Arab countries — The case of the Gulf Cooperation Council (GCC) countries
(
Elsevier
, 2020 , Conference Paper)
© 2019 Energy subsidies can account for a large share of government expenditures in some GCC countries. In light of fiscal imbalances since 2014, these countries have reiterated their intention to decrease subsidies and ...
Production of Polyhydroxyalkanoates by Two Halophilic Archaeal Isolates from Chott El Jerid Using Inexpensive Carbon Sources
(
MDPI AG
, 2020 , Article)
The large use of conventional plastics has resulted in serious environmental problems. Polyhydroxyalkanoates represent a potent replacement to synthetic plastics because of their biodegradable nature. This study aimed to ...
Comparative Study on Beneficial Effects of Hydroxytyrosol- and Oleuropein-Rich Olive Leaf Extracts on High-Fat Diet-Induced Lipid Metabolism Disturbance and Liver Injury in Rats
(
Hindawi
, 2020 , Article)
Oleuropein and hydroxytyrosol, as major compounds of olive leaves, have been reported to exert numerous pharmacological properties, including anticancer, antidiabetic, and anti-inflammatory activities. The purpose of this ...
Assessing the role and use of recycled aggregates in the sustainable management of construction and demolition waste via a mini-review and a case study
(
SAGE Publications
, 2020 , Article)
Rapid industrial development, mega construction projects and increased immigration are some of the reasons that the State of Qatar has recently generated an unprecedented amount of construction and demolition (C&D) waste ...
Mychonastes homosphaera (Chlorophyceae): A promising feedstock for high quality feed production in the arid environment
(
Elsevier
, 2020 , Article)
Rapid development and drastic population increase in Qatar have led to increasing awareness about food security. Microalgae are considered one of the most promising feedstocks owing to their ability to produce nutrients, ...