Browsing by Author "Hawari, Alaa H."
Now showing items 21-40 of 50
-
Engineering A Fertilizing Draw Solution For Irrigation Using Forward Osmosis / Reverse Osmosis Hybrid System
Hafiz, Mhd Ammar Nabil (2019 , Master Thesis)Large volumes of fresh water are consumed in the human’s daily activities, producing large volumes of highly contaminated wastewater which exhibits a major environmental problem. Wastewater is treated using multiple ... -
Enhancement of Polysulfone Ultrafiltration Membrane Performance for Produced Water Treatment by Incorporation of Graphene oxide/Chitosan/Silicon dioxide Nanocomposite
Yasir, Ahmed. T.; Alshaibi, Nadeen; Ndame, Nchwa; Hawari, Alaa H.; Benamor, Abdelbaki ( Qatar University Press , 2023 , Conference Paper)Oil and gas production is accompanied by generation of large amounts of produced water as usually three barrels of produced water is generated for each barrel of oil. Membrane-based water reclamation technologies have been ... -
Evaluation of forward osmosis as a pretreatment process for multi stage flash seawater desalination
Thabit, Mshael S.; Hawari, Alaa H.; Ammar, Mhd. Hafez; Zaidi, Syed; Zaragoza, Guillermo; Altaee, Ali... more authors ... less authors ( Elsevier B.V. , 2019 , Article)The present study evaluates the feasibility of applying forward osmosis (FO) process for the pretreatment of feed solution to a Multi Stage Flash (MSF) desalination plant. For the first time, real brine reject and real ... -
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 ... -
Fabrication of Fouling Resistant Ti3C2Tx(MXene) Cellulose Acetate Nanocomposite Membrane for Forward Osmosis Application
Alfahel, Radwan Ahmad Firas (2020 , Master Thesis)Forward Osmosis (FO) is one of the promising technologies that can be used to combat growing water scarcity. However, FO membrane fouling hinders the widespread application of this technology by significantly reducing the ... -
Forward osmosis feasibility and potential future application for desalination
Altaee, Ali; Alanezi, Adnan A.; Hawari, Alaa H. ( Elsevier , 2018 , Book chapter)Forward Osmosis has been intensively investigated for seawater desalination in the past decade. However, the application of technology is still limited apart from a number of pilot and small commercial plants. Initially, ... -
Fouling suppression in submerged membrane bioreactors by obstacle dielectrophoresis
Du, Fei; Hawari, Alaa H.; Larbi, Bouthaina; Ltaief, Amina; Pesch, Georg R.; Baune, Michael; Thöming, Jorg... more authors ... less authors ( Elsevier , 2018 , Article)Submerged membrane bioreactor (MBR) is currently believed to be an efficient biological treatment for reusing and recovering wastewater to extenuate the ever increasing water scarcity crisis. To mitigate the main problem, ... -
Fuzzy Logic-Based Model to Predict the Impact of Flow Rate and Turbidity on the Performance of Multimedia Filters
Hawari Alaa H.; Elamin Mazen; Benamor Abdelbaki; Hasan Shadi W.; Ayari Mohamed Arselene; Electorowicz Maria... more authors ... less authors ( American Society of Civil Engineers (ASCE) , 2017 , Article)This paper uses fuzzy logic-based models to predict and evaluate the performance of multimedia filters utilized in wastewater treatment. A fuzzy logic-based model is constructed and trained to predict the operating time ... -
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 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 ... -
Industrial sludge valorization and decontamination via lipid extraction and heavy metals removal using low-cost protic ionic liquid
Abouelela, Aida Rafat; Mussa, Afnan A.; Talhami, Mohammed; Das, Probir; Hawari, Alaa H. ( Elsevier , 2022 , Article)Sludge is a heterogenous organic-rich matter that comprise of highly valuable biopolymers along with various contaminants including heavy metals. Sludge valorization as a renewable resource and inexpensive feedstock is key ... -
Magnetic nanoparticles draw solution for forward osmosis: Current status and future challenges in wastewater treatment
Hafiz, MhdAmmar; Hassanein, Amani; Talhami, Mohammed; AL-Ejji, Maryam; Hassan, Mohammad K.; Hawari, Alaa H.... more authors ... less authors ( Elsevier , 2022 , Article)Forward osmosis is considered as the least energy intensive membrane process since it operates based on the osmotic pressure gradient. However, it is still considered as immature technology mainly due to the elevated cost ... -
Microalgae: A potential bioagent for treatment of emerging contaminants from domestic wastewater
Sanjeet, Mehariya; Das, Probir; Thaher, Mahmoud Ibrahim; Abdul Quadir, Mohammed; Khan, Shoyeb; Sayadi, Sami; Hawari, Alaa H.; Verma, Pradeep; Bhatia, Shashi Kant; Karthikeyan, Obulisamy Parthiba; Zuorro, Antonio; Al-Jabri, Hareb... more authors ... less authors ( Elsevier , 2024 , Article)Water crisis around the world leads to a growing interest in emerging contaminants (ECs) that can affect human health and the environment. Research showed that thousands of compounds from domestic consumers, such as endocrine ... -
Microalgal bioremediation of brackish aquaculture wastewater
Kashem, Abdurahman Hafez Mohammed; Das, Probir; AbdulQuadir, Mohammad; Khan, Shoyeb; Thaher, Mahmoud Ibrahim; Alghasal, Ghamza; Hawari, Alaa H.; Al-Jabri, Hareb... more authors ... less authors ( Elsevier , 2023 , Article)Rapid aquaculture industry development contributed to a major increase in aquaculture wastewater generation. In the context of a circular economy, aquaculture wastewater treatment should simultaneously recover nutrients ... -
Modeling and sensitivity analysis of the forward osmosis process to predict membrane flux using a novel combination of neural network and response surface methodology techniques
Jawad, Jasir; Hawari, Alaa H.; Zaidi, Syed J. ( MDPI AG , 2021 , Article)The forward osmosis (FO) process is an emerging technology that has been considered as an alternative to desalination due to its low energy consumption and less severe reversible fouling. Artificial neural networks (ANNs) ... -
Modeling of forward osmosis process using artificial neural networks (ANN) to predict the permeate flux
Jawad, Jasir; Hawari, Alaa H.; Zaidi, Syed ( Elsevier , 2020 , Article)Artificial neural networks (ANN) are black box models that are becoming more popular than transport-based models due to their high accuracy and less computational time in predictions. The literature shows a lack of ANN ... -
MXene (Ti3 C2 Tx )/Cellulose Acetate Mixed-Matrix Membrane Enhances Fouling Resistance and Rejection in the Crossflow Filtration Process
Azam, Reem S.; Almasri, Dema A.; Alfahel, Radwan; Hawari, Alaa H.; Hassan, Mohammad K.; Elzatahry, Ahmed A.; Mahmoud, Khaled A.... more authors ... less authors ( MDPI , 2022 , Article)Obstacles in the membrane-based separation field are mainly related to membrane fouling. This study involved the synthesis and utilization of covalently crosslinked MXene/cellulose acetate mixed matrix membranes with MXene ... -
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 ...