Browsing Civil & Architectural Engineering by Author "Hawari, Alaa H"
Now showing items 21-40 of 43
-
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 ... -
Organic fouling in forward osmosis: A comprehensive review
Yadav, Sudesh; Ibrar, Ibrar; Bakly, Salam; Khanafer, Daoud; Altaee, Ali; Padmanaban, V. C.; Samal, Akshaya K.; Hawari, Alaa H.... more authors ... less authors ( MDPI AG , 2020 , Article Review)Organic fouling in the forward osmosis process is complex and influenced by different parameters in the forward osmosis such as type of feed and draw solution, operating conditions, and type of membrane. In this article, ... -
Performance of the pressure assisted forward osmosis-msf hybrid desalination plant
Khanafer, Daoud; Yadav, Sudesh; Ganbat, Namuun; Altaee, Ali; Zhou, John; Hawari, Alaa H.... more authors ... less authors ( MDPI AG , 2021 , Article)An osmotically driven membrane process was proposed for seawater pretreatment in a multi-stage flashing (MSF) thermal plant. Brine reject from the MSF plant was the draw solution (DS) in the forward osmosis (FO) process ... -
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 ... -
Predicting the performance of multi-media filters using artificial neural networks
Hawari, Alaa H.; Alnahhal, Wael ( IWA Publishing , 2016 , Article)The impact of flow rate and turbidity on the performance of multi-media filtration has been studied using an artificial neural network (ANN) based model. The ANN model was developed and tested based on experimental data ... -
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 ... -
A study to investigate the energy recovery potential from different macromolecules of a low-lipid marine Tetraselmis sp. biomass through HTL process
Aljabri, Hareb; Das, Probir; Khan, Shoyeb; AbdulQuadir, Mohammad; Thaher, Mahmoud; Hawari, Alaa H.; Al-Shamary, Noora Mahmoud... more authors ... less authors ( Elsevier , 2022 , Article)This study investigated the hydrothermal liquefaction (HTL) of extracted major macromolecules from Tetraselmis sp. biomass. The carbohydrate fraction was first recovered from Tetraselmis biomass using pressurized heated ... -
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 ...