Browsing Environmental Science by Author "Mavukkandy, Musthafa O"
Now showing items 1-20 of 26
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Activation of PVDF membranes through facile hydroxylation of the polymeric dope
Gharabli, Samer Al; Mavukkandy, Musthafa O; Kujawa, Joanna; Nunes, Suzana P; Arafat, Hassan A (Cambridge University Press, 2017-11)A method comprising a two-step alkali/acid treatment of poly (vinylidene fluoride) (PVDF) polymer is developed for the fabrication of flat-sheet PVDF membranes functionalized with labile hydroxyl groups. This method involves ... -
Assessment and rationalization of water quality monitoring network: a multivariate statistical approach to the Kabbini River (India)
Mavukkandy, Musthafa O; Karmakar, Subhankar; Harikumar, PS (Springer Berlin Heidelberg, 2014-09)The establishment of an efficient surface water quality monitoring (WQM) network is a critical component in the assessment, restoration and protection of river water quality. A periodic evaluation of monitoring network is ... -
Brine management in desalination industry: From waste to resources generation
Mavukkandy, Musthafa O; Chabib, Chahd M; Mustafa, Ibrahim; Ghaferi, Amal Al; ETAL. (Elsevier, 2019-12)Desalination brine has high salinity and contains various chemical contaminants and its disposal causes a major concern for desalination around the world. Environmentally friendly and economically feasible methods are ... -
CNT/PVP blend PVDF membranes for the removal of organic pollutants from simulated treated wastewater effluent
Mavukkandy, Musthafa O; Zaib, Qammer; Arafat, Hassan A (Elsevier, 2018)In this work, we established a simple and effective way of immobilizing CNT onto polyvinylidene fluoride (PVDF) membrane by casting dual-layer membranes. We explored two different methods of dual-layer casting: (i) layer ... -
Covalent surface entanglement of polyvinylidene fluoride membranes with carbon nanotubes
Gharabli, Samer Al; Kujawa, Joanna; Mavukkandy, Musthafa O; Agbaje, Taofeeqah A; ETAL. (Pergamon, 2018-03)Polyvinylidene fluoride (PVDF) membranes play a key role in several industrial applications. Tuning the properties of these membranes enables a sharp selectivity for the target application. The goal of this work is to ... -
Exploiting the interplay between liquid-liquid demixing and crystallization of the PVDF membrane for membrane distillation
Nawi, NIM; Bilad, MR; Nordin, NAHM; Mavukkandy, Musthafa O; Putra, ZA; ETAL. (Hindawi, 2018)Membrane distillation (MD) purifies water by transporting its vapor through a hydrophobic membrane. An ideal MD membrane poses high water flux and high fouling, scaling, and wetting resistances. In this study, we develop ... -
Fabrication of blend polyvinylidene fluoride/chitosan membranes for enhanced flux and fouling resistance
Baeza Elizalde, Cynthia Noemi; Gharabl, Samer Al; Kujawa, Joanna; Mavukkandy, Musthafa O; ETAL. (Elsevier, 2018-01)The fabrication of polyvinylidene fluoride (PVDF) membranes was studied using chitosan as a hydrophilic additive for flux enhancement and stability. Chitosan (CS) was blended with PVDF at 0.5, 1.0, 1.5, 2.0 and 2.5% (w/w) ... -
Feedstock Availability, Composition, New Potential Resources for Biohydrogen, Biomethane, and Biobutanol Production via Biotechnological Routes
Thomas, Navya; Mavukkandy, Musthafa O; Farrell, Eanna; Arafat, Hassan A; Chakraborty, Sudip (Springer, 2017)Booming population, higher standard of living, and growing industrialization continue to exert a demand for energy. The continuous and unlimited use of fossil fuels to meet the growing energy demand would deplete the finite ... -
Fouling mechanisms in ultrafiltration under constant flux: Effect of feed spacer design
Sreedhar, Nurshaun; Mavukkandy, Musthafa O; Aminabhavi, Tejraj M; Hong, Seungkwan; ETAL. (Elsevier, 2020-09)The impact of feed spacer design on membrane fouling mechanism in ultrafiltration (UF) process under constant flux mode was systematically investigated. Thecombined intermediate pore blocking and cake filtration model was ... -
Functional groups docking on PVDF membranes: Novel Piranha approach
Gharabli, Samer Al; Kujawa, Joanna; Mavukkandy, Musthafa O; Arafat, Hassan A (Pergamon, 2017-11)Polyvinylidene fluoride (PVDF) membranes play a key role in several industrial applications due to their favorable properties, including their high chemical stability. Tuning the properties of PVDF membranes enables a sharp ... -
Leaching of PVP from PVDF/PVP blend membranes: Impacts on membrane structure and fouling in membrane bioreactors
Mavukkandy, Musthafa O; Bilad, Muhammad R; Giwa, Adewale; Hasan, Shadi W; ETAL. (Springer US, 2016-05)Polyvinylidene fluoride (PVDF) membranes are widely used in membrane industry, especially for membrane bioreactors (MBRs). Many PVDF membranes contain residual polyvinyl pyrrolidone (PVP) that acts as a pore-forming additive. ... -
Membrane distillation research & implementation: Lessons from the past five decades
Thomas, Navya; Mavukkandy, Musthafa O; Loutatidou, Savvina; Arafat, Hassan A (Elsevier, 2017-12)Research on membrane distillation (MD) experienced a slow growth from the 1970s through 90s but has gained revived interest recently. Despite recent developments, MD still has to overcome several hurdles to pave its path ... -
Nanoporous hollow fiber polyethersulfone membranes for the removal of residual contaminants from treated wastewater effluent: Functional and molecular implications
Giwa, Adewale; Chakraborty, Sudip; Mavukkandy, Musthafa O; Arafat, Hassan A; ETAL. (Elsevier, 2017-12)Hollow fiber membranes consisting of polyethersulfone (PES) reformed with high proportions of single bondOH, aryl-N and alkyl-F groups in nonsolvent additives were compared for the removal of residual Cr (VI), COD, and ... -
On the effect of fumed silica particles on the structure, properties and application of PVDF membranes
Mavukkandy, Musthafa O; Bilad, MR; Kujawa, J; Gharabli, S Al; Arafat, HA (Elsevier, 2017-10)This study explored the impact of hydrophobic fumed silica (FS) particles as an inorganic additive in the preparation of polyvinylidenefluoride (PVDF) membranes using the phase inversion technique. PVDF membranes were ... -
Photocatalytic hollow fiber membranes for the degradation of pharmaceutical compounds in wastewater
Chakraborty, Sudip; Loutatidou, Savvina; i Palmisano, Giovann; Kujawa, Joanna; Mavukkandy, Musthafa O; ETAL. (Elsevier, 2017-10)In this research, the degradation by heterogeneous photocatalysis of organic pharmaceutical waste compounds using TiO2 nanoparticles immobilized on polymeric commercial hollow fiber (HF) ultrafiltration membranes was ... -
Polydopamine-coated graphene oxide nanosheets embedded in sulfonated poly (ether sulfone) hybrid UF membranes with superior antifouling properties for water treatment
Kumar, Mahendra; Sreedhar, Nurshaun; Thomas, Navya; Mavukkandy, Musthafa O; ETAL. (Elsevier, 2022-04)A novel high-performance hybrid ultrafiltration (UF) membrane was fabricated by blending polydopamine-coated graphene oxide (PDGO) nanosheets with sulfonated poly(ether sulfone) (SPES) via phase inversion method and tested ... -
PVDF/magnetite blend membranes for enhanced flux and salt rejection in membrane distillation
Agbaje, Taofeeqah A; Gharabli, Samer Al; Mavukkandy, Musthafa O; Kujawa, Joanna; Arafat, Hassan A (Elsevier, 2018-06)This study reports on the enhancement of direct contact membrane distillation (DCMD) performance by incorporating magnetite nanoparticles (NP) in polyvinylidene fluoride (PVDF) membranes to render the membrane bulk hydrophilic ... -
Recent developments in hazardous pollutants removal from wastewater and water reuse within a circular economy
Ahmed, Menatalla; Mavukkandy, Musthafa O; Giwa, Adewale; Elektorowicz, Maria; Katsou, vina (Nature Publishing Group, 2022-04)Recent advances in wastewater treatment processes have resulted in high removal efficiencies for various hazardous pollutants. Nevertheless, some technologies are more suitable for targeting specific contaminants than ... -
Reversing membrane wetting in membrane distillation: comparing dryout to backwashing with pressurized air
Warsinger, David M; Servi, Amelia; Connors, Grace B; Mavukkandy, Musthafa O; ETAL. (Royal Society of Chemistry, 2017)The critical failure mode for membrane distillation (MD) desalination is wetting through the pores of the hydrophobic membrane, which allows the saline solution to leak through and contaminate the permeate. The standard ... -
Shrinkage, defect and membrane distillation performance of composite PVDF membranes
Bilad, Muhammad R; Burrieza, E Guillen; Mavukkandy, Musthafa O; Marzooqi, Faisal A Al; ETAL. (Elsevier, 2015-11)This study addresses the importance of non-woven support (NWS) during the preparation of polyvinylidene fluoride (PVDF) membranes for membrane distillation (MD). Five different NWSs were investigated as substrate materials ...