Browsing by Author "Hafiz, Mhdammar"
Now showing items 1-11 of 11
-
A hybrid nf-fo-ro process for the supply of irrigation water from treated wastewater: Simulation study
Hafiz, MhdAmmar; Alfahel, Radwan; Hawari, Alaa H.; Hassan, Mohammad K.; Altaee, Ali ( MDPI AG , 2021 , Article)Municipal treated wastewater could be considered as a water source for food crop irrigation purposes. Enhancing the quality of treated wastewater to meet irrigation standards has become a necessary practice. Nanofiltration ... -
Comparison of nanofiltration with reverse osmosis in reclaiming tertiary treated municipal wastewater for irrigation purposes
Hafiz, MhdAmmar; Hawari, Alaa H.; Alfahel, Radwan; Hassan, Mohammad K.; Altaee, Ali ( MDPI AG , 2021 , Article)This study compares the performance of nanofiltration (NF) and reverse osmosis (RO) for the reclamation of ultrafiltered municipal wastewater for irrigation of food crops. RO and NF technologies were evaluated at different ... -
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 ... -
Fabrication of fouling resistant Ti3C2Tx (MXene)/cellulose acetate nanocomposite membrane for forward osmosis application
Alfahel, Radwan; Azzam, Reem S.; Hafiz, MhdAmmar; Hawari, Alaa H.; Pandey, Ravi P.; Mahmoud, Khaled A.; Hassan, Mohammad K.; Elzatahry, Ahmed A.... more authors ... less authors ( Elsevier Ltd , 2020 , Article)In this study, Ti3C2Tx (MXene) was used to enhance the fouling resistance of FO flat-thin film membranes. Mixed-matrix Ti3C2Tx (MXene)/ cellulose acetate (CA) membranes with different (wt%) loading of MXene were fabricated ... -
Harvesting of Chlorella sp. microalgae by dielectrophoretic force using titanium dioxide (TiO2) insulated electrodes
Mussa, Afnan; Hafiz, Mhd Ammar; Das, Probir; Hawari, Alaa H. ( Elsevier , 2022 , Article)The harvesting of microalgae using conventional technologies suffers from biomass contamination, high energy consumption and long processing time. In this study, titanium dioxide insulated stainless steel electrodes were ... -
Impact of Draw Solution Concentration on Forward Osmosis Process: A Simulation Study
Alfahel, Radwan; Hafiz, MhdAmmar; Hawari, Alaa H. ( Qatar Univesrity Press , 2020 , Conference Paper)In this study, a simulation model was used to evaluate the performance of forward osmosis process. A solution of low salinity was used as the feed solution in forward osmosis to dilute saline solution (i.e. draw solution) ... -
Nanoparticles functionalized ceramic membranes: fabrication, surface modification, and performance
Ewis, Dina; Ismail, Norhan Ashraf; Hafiz, MhdAmmar; Benamor, Abdelbaki; Hawari, Alaa H. ( Springer Science and Business Media Deutschland GmbH , 2021 , Article Review)Membrane technologies are used intensively for desalination and wastewater treatment. Water filtration using ceramic membranes exhibited high performance compared with polymeric membranes due to various properties such as ... -
Optimization of magnetic nanoparticles draw solution for high water flux in forward osmosis
Hafiz, Mhdammar; Talhami, Mohammed; Ba-Abbad, Muneer M.; Hawari, Alaa H. ( MDPI , 2021 , Article)In this study, bare iron oxide nanoparticles were synthesized using a co-precipitation method and used as a draw solute in forward osmosis. The synthesis conditions of the nanoparticles were optimized using the Box-Behnken ... -
Recovery of rare earth elements from waste streams using membrane processes: An overview
Elbashier, Elkhansa; Mussa, Afnan; Hafiz, MhdAmmar; H. Hawari, Alaa ( Elsevier , 2021 , Article)Recovery of rare earth elements (REEs) has become an attractive process owing to the high costs and limited availabilities of REEs. In addition, the recovery of REEs has become a necessity because of their high toxicity ... -
Techno-economic assessment of forward osmosis as a pretreatment process for mitigation of scaling in multi-stage flash seawater desalination process
Hafiz, MhdAmmar; Alfahel, Radwan; Altaee, Ali; Hawari, Alaa H. ( Elsevier , 2023 , Article)Thermal desalination processes suffer from the formation of scalants on the heat exchangers of the evaporator unit which negatively affect the process efficiency. This study evaluated the technical and economic feasibility ... -
Treatment of Wastewater Using Reverse Osmosis for Irrigation Purposes
Hafiz, MhdAmmar; Hawari, Alaa H.; Alfahel, Radwan ( Qatar Univesrity Press , 2020 , Conference Paper)This work investigates the performance of reverse osmosis (RO) for the reclamation of treated sewage effluent (TSE) to be used as irrigation water for food crops. The feed water used in this study was a real sample of ...