Browsing by Author "Ashfaq M.Y."
Now showing items 1-10 of 10
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Effect of concentration of calcium and sulfate ions on gypsum scaling of reverse osmosis membrane, mechanistic study
Ashfaq M.Y.; Al-Ghouti M.A.; Da'na D.A.; Qiblawey H.; Zouari N. ( Elsevier Editora Ltda , 2020 , Article)In seawater reverse osmosis, membrane scaling is one of the major issues affecting its widespread application in the desalination industry. In this paper, the effect of concentration of calcium and sulfate ions from 20 to ... -
Functionalized cellulose nanocrystals as a novel adsorption material for removal of boron from water
Wahib S.A.; Da'na D.A.; Ashfaq M.Y.; Al-Ghouti M.A. ( Elsevier Ltd , 2021 , Article)This study aims to prepare a novel adsorbent containing cellulose nanocrystals (CNC) isolated from date pits (DP) and ionic liquid (IL). The prepared composite of CNC and IL was then loaded onto the DP to prepare IL-CNC@DP ... -
Investigating the effect of temperature on calcium sulfate scaling of reverse osmosis membranes using FTIR, SEM-EDX and multivariate analysis
Ashfaq M.Y.; Al-Ghouti M.A.; Da'na D.A.; Qiblawey H.; Zouari N. ( Elsevier B.V. , 2020 , Article)Membrane fouling is one of the major hurdles in widespread use of seawater reverse osmosis (SWRO) in desalination industry. There are various factors that affect the inorganic fouling or scaling of Reverse osmosis (RO) ... -
Investigating the microorganisms-calcium sulfate interaction in reverse osmosis systems using SEM-EDX technique
Ashfaq M.Y.; Al-Ghouti M.A.; Al Disi Z.A.; Zouari N. ( Elsevier Ltd , 2020 , Article)Membrane fouling affects the performance of membrane technologies such as reverse osmosis (RO), in water treatments and desalination industries. The membrane fouling is a multifaceted phenomenon and various components of ... -
Isolation, differentiation and biodiversity of ureolytic bacteria of Qatari soil and their potential in microbially induced calcite precipitation (MICP) for soil stabilization
Bibi S.; Oualha M.; Ashfaq M.Y.; Suleiman M.T.; Zouari N. ( Royal Society of Chemistry , 2018 , Article)Biomineralization plays a key role in modifying the geological properties of soil, thereby stabilizing it against wind erosion, especially in areas characterized by harsh weather and harsh soil (calcareous and arid); i.e. ... -
Isolation, identification and biodiversity of antiscalant degrading seawater bacteria using MALDI-TOF-MS and multivariate analysis
Ashfaq M.Y.; Al-Ghouti M.A.; Qiblawey H.; Rodrigues D.F.; Hu Y.; Zouari N.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)Seawater reverse osmosis (SWRO) is a commonly used desalination technique owing to its lesser environmental and economic impacts as compared to thermal desalination techniques. Antiscalants are used in SWRO to reduce ... -
Laundry wastewater treatment using ultrafiltration under different operating conditions
Ashfaq M.Y.; Qiblawey H. ( American Institute of Physics Inc. , 2018 , Conference Paper)The laundry wastewater of one of the hospitals in Qatar was selected and studied. It was found that hospital laundry is releasing considerable amount of wastewater i.e. 1800 - 2500 liters/cycle while washing 40 - 50 kg of ... -
Produced water characteristics, treatment and reuse: A review
Al-Ghouti M.A.; Al-Kaabi M.A.; Ashfaq M.Y.; Da'na D.A. ( Elsevier Ltd , 2019 , Article Review)In oil and gas industry, produced water is considered as the largest waste stream, which contains relatively higher concentration of hydrocarbons, heavy metals and other pollutants. Due to the increase in industrial ... -
Removal of Toxic Elements and Microbial Contaminants from Groundwater Using Low-Cost Treatment Options
Da'ana, D.A.; Zouari, N.; Ashfaq, M. Y.; Abu-Dieyeh, M.; Khraisheh, Majeda; Hijji ,Y.M.; Al-Ghouti, M. A.... more authors ... less authors ( Springer Science and Business Media Deutschland GmbH , 2021 , Article)Purpose of Review: This paper reviews various low-cost treatment techniques such as adsorption, permeable reactive barrier, and biological techniques for the simultaneous removal of chemical and microbial contaminants from ... -
The integrated/hybrid membrane systems for membrane desalination
Ashfaq M.Y.; Da?a D.A.; Wahib S.A.; Al-Ghouti M.A. ( Elsevier , 2021 , Book chapter)Freshwater scarcity is a global issue that is further exacerbated by both economic and population growth. Membrane desalination possesses the potential to address water stress issues, but membrane fouling has affected its ...