Browsing by Author "Yasir, Ahmed T."
Now showing items 1-7 of 7
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Evaluation of ultrafiltration and multimedia filtration as pretreatmeprocess for forward osmosis
Hawari, Alaa H.; Hafiz, Mhdammar; Yasir, Ahmed T.; Alfahel, Radwan; Altaee, Ali ( Desalination Publications , 2020 , Article)In order to reduce scaling in a multistage flash (MSF) desalination plant, the brine reject can be diluted using forward osmosis (FO) before recycling. In this FO process, the brine is used as the draw solution (DS) and ... -
Impact of high turbidity on reverse osmosis: Evaluation of pretreatment processes
Hafiz, Mhd Ammar; Hawari, Alaa H.; Yasir, Ahmed T.; Alfahel, Radwan; Hassan, Mohammad K.; Altaee, Ali... more authors ... less authors ( Desalination Publications , 2020 , Article)This study evaluates the performance of sand filtration (SF) and ultra-filtration (UF) as pretreat-ment processes for reverse osmosis (RO) for seawater with turbidities of 4.8, 23.2, and 99.7 NTU. For seawater with a ... -
Poly (amido amine) dendrimer based membranes for wastewater treatment - A critical review
Yasir, Ahmed T.; Benamor, Abdelbaki; Hawari, Alaa H.; Mahmoudi, Ebrahim ( Elsevier , 2023 , Article Review)Membrane based wastewater treatment technologies in which polymeric membranes are most commonly used have been extensively applied in water/wastewater treatment to help address the issue of water shortage through ... -
Steel slag promoted electrocoagulation process for the treatment of produced water
Hawari, Alaa H.; Al-Ghoul, Mustafa; Hafiz, Mhd Ammar; Yasir, Ahmed T.; Aljaml, Khaled; Ltaief, Amina... more authors ... less authors ( Desalination Publications , 2020 , Article)Produced water is a by-product produced from the oil and gas industry. It poses a significant threat to the environment due to its high salinity and high pollutant concentration. In this paper, steel slag was used to enhance ... -
The impact of electric field on the demulsification efficiency in an electro-coalescence process
Yasir, Ahmed T.; Hawari, Alaa H.; Talhami, Mohammed; Baune, M.; Thöming, J.; Du, Fei... more authors ... less authors ( Elsevier , 2023 , Article)In this study, the influence of the electric field and its determining parameters such as voltage, inter-electrode distance and frequency on the demulsification efficiency of a water-in-oil emulsion was studied. The numerical ... -
Unlocking the application potential of electrocoagulation process through hybrid processes
Almukdad, Abdulkarim; Hafiz, MhdAmmar; Yasir, Ahmed T.; Alfahel, Radwan; Hawari, Alaa H. ( Elsevier , 2021 , Article Review)Electrocoagulation (EC) has attracted attention during the recent years due to its ease of use and high removal rate of organic and inorganic pollutants. It was found that using EC as a pretreatment process can decrease ... -
Utilizing Steel Slag in the Removal of Suspended Solids from Dewatered Construction Water
Al Hawari, Alaa; Tariq, Abdelrahman; Yasir, Ahmed T.; Ayari, Mohamed A. ( Qatar Univesrity Press , 2020 , Conference Paper)Construction dewatering is an operation used to remove shallow groundwater that infiltrates construction sites. After recovering this water from the construction sites, the water is either discharged to the sea, injected ...