Environmental Science
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Sustainable environmental geotechnics practices for a green economy
(2022-04)The revitalisation of the global economy after the Covid-19 era presents environmental geotechnics with the opportunity to reinforce the need for a change in paradigm towards a green, circular economy and to promote ... -
Parametric finite element analysis to investigate flexural behavior of BFRP-FRC beams
(2022-04)Recently, most of researchers are focusing on the use of ecofriendly and natural fibers for reinforcement in concrete. One of the most recent materials that is being used is Basalt fiber due to its low cost and exceptional ... -
Enviro-Economic Assessment of HHO–CNG Mixture Utilization in Spark Ignition Engine for Performance and Environmental Sustainability
(2022-11)Road transportation has received the attention of researchers due to its higher carbon footprint. Alternative fuels present major advantages in terms of environmental sustainability. For this reason, an enviro-economic ... -
Exposure Assessment of Aflatoxin B1 through Consumption of Rice in the United Arab Emirates
(2022-11)Rice is one of the most consumed staple foods worldwide and a major part of the diet for half of the global population. Being primarily cultivated in countries with warm and humid environments increases rice’s susceptibility ... -
Understanding employees’ voluntary pro-environmental behavior in public organizations – an integrative theory approach
(2022-12)Abstract Purpose – This paper aims to investigate the impact of situational factors and internal psychological states on employees’ decisions to perform voluntary pro-environmental behavior. This study used a model ... -
Board gender diversity and corporate social responsibility: A bibliometric analysis
(2023-01)The objective of this study to analyze developments in relating to board gender diversity (BGD) and corporate social responsibility (CSR) research and provide future researchers with new avenues for research in the field. ... -
The evolution of feed spacer role in membrane applications for desalination and water treatment: A critical review and future perspective
(Elsevier, 2023-03)The membrane research community has witnessed a significant research growth on feed spacers since 2010, both in quantity and scope. Increasingly novel spacer geometries and spacer chemistries are being reported in literature ... -
Transforming wastewater ammonia to carbon free energy: Integrating fuel cell technology with ammonia stripping for direct power production
(Separation and Purification Technology, 2022-05)The transformation of ammonia from pollutant to energy rich carbon free fuel presents an opportunity for the transition of wastewater services to net zero. However, there is only limited knowledge of how the product quality ... -
CO2 absorption into aqueous ammonia using membrane contactors: Role of solvent chemistry and pore size on solids formation for low energy solvent regeneration
(Elsevier, 2022-06)Solids formation can substanitally reduce the energy penalty for ammonia solvent regeneration in carbon capture and storage (CCS), but has been demonstrated in the literature to be difficult to control. This study examines ... -
Feedstock Availability, Composition, New Potential Resources for Biohydrogen, Biomethane, and Biobutanol Production via Biotechnological Routes
(Springer International Publishing, 2017-03)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 ... -
Utilizing Buckingham Pi theorem and multiple regression analysis in scaling up direct contact membrane distillation processes
(Elsevier, 2022-04)Predicting the performance of a full-scale direct contact membrane distillation (DCMD) module based on experimental lab-scale results is rather difficult, since the DCMD performance is dependent on many different process ... -
Downscaling reverse osmosis for single-household wastewater reuse: towards low-cost decentralised sanitation through a batch open-loop configuration
(IWA Publishing, 2022-04)There is a significant demand for water recycling in low-income countries. However, wastewater infrastructure is primarily decentralised, necessitating the development of affordable household-scale reclamation technology. ... -
Hybrid NF and UF membranes tailored using quaternized polydopamine for enhanced removal of salts and organic pollutants from water
(Elsevier, 2022-10)In this work, a quaternized polydopamine (QSiPD) nanohybrid was synthesized via condensation reaction between the silicon hydroxyl moieties of the hydrolyzed QSiP and hydroxyl moieties of polydopamine (PDA) and applied for ... -
Impacts of feed spacer design on UF membrane cleaning efficiency
(Elsevier, 2020-12)In this study, the impacts of three feed spacer design parameters; thickness, porosity and architecture, on the cleaning efficiency of ultrafiltration (UF) membranes were studied, both in backwash and relaxation cleaning ... -
Multifunctional hybrid UF membrane from poly (ether sulfone) and quaternized polydopamine anchored reduced graphene oxide nanohybrid for water treatment
(Elsevier, 2021-12)In this study, a new quaternized polydopamine anchored reduced graphene oxide (QSiPD-rGO) nanohybrid was prepared through a one-step mussel-inspired tailoring of GO using a quaternized silica precursor and dopamine. The ... -
Comparative assessment of the effects of 3D printed feed spacers on process performance in MD systems
(Elsevier, 2021-05)In this study, process enhancements achieved by the use of 3D printed feed spacers based on triply periodic minimal surfaces (TPMS) were comparatively assessed using the two most common membrane distillation (MD) configurations: ... -
Polydopamine-coated graphene oxide nanosheets embedded in sulfonated poly(ether sulfone) hybrid UF membranes with superior antifouling properties for water treatment
(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 ... -
Antiscaling 3D printed feed spacers via facile nanoparticle coating for membrane distillation
(Elsevier, 2021-02)Surface modification of feed spacers rather than membranes may hold more merit as an antiscaling strategy in membrane distillation (MD), as it avoids compromising the functionality of MD membrane. In this work, an antiscaling ... -
3D printed photocatalytic feed spacers functionalized with β-FeOOH nanorods inducing pollutant degradation and membrane cleaning capabilities in water treatment
(Elsevier, 2022-01)A novel 3D printed photocatalytic feed spacer was developed for use in membrane-based water and wastewater filtration systems. The spacer fulfilled two new functions; degradation of membrane-permeating pollutants in the ... -
3D printed spacers based on TPMS architectures for scaling control in membrane distillation
(Elsevier, 2019-07)In this study, the performance of novel 3D printed spacers was investigated for scaling control in direct contact membrane distillation (DCMD). The spacers, designed as triply periodic minimal surfaces (TPMS), were tested ... -
Mass transfer analysis of ultrafiltration using spacers based on triply periodic minimal surfaces: Effects of spacer design, directionality and voidage
(Elsevier, 2018-09)An ideal feed spacer balances high flux and low pressure drop while minimizing fouling. In this work, several feed spacer with complex triply periodic minimal surface (TPMS) geometries were designed and fabricated using ... -
3D printed spacers for organic fouling mitigation in membrane distillation
(Elsevier, 2019-08)3D printing offers the flexibility to achieve favorable spacer geometrical modification. The role of 3D printed spacers for organic fouling mitigation in direct contact membrane distillation (DCMD) is evaluated. Compared ... -
3D printed feed spacers based on triply periodic minimal surfaces for flux enhancement and biofouling mitigation in RO and UF
(Elsevier, 2018-01)In this proof of concept study, 3D printed feed spacers with complex geometries based on triply periodic minimal surfaces (TPMS) were designed and tested in reverse osmosis (RO) and ultrafiltration (UF) processes. The ... -
3D printed triply periodic minimal surfaces as spacers for enhanced heat and mass transfer in membrane distillation
(Elsevier, 2018-10)3D printing is utilized to create different feed channel spacer designs aimed at enhancing the spacer performance specifically for membrane distillation (MD) application. The novelty is the use of mathematically developed ... -
Membrane distillation research & implementation: Lessons from the past five decades
(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 ... -
SOLS: A scheme for outsourced location based service
(Academic Press, 2015-10)Due to the high demand on computation and storage, location based service (LBS) providers prefer to outsource their data and services to powerful cloud service providers (CSPs). However, this mechanism brings three challenging ... -
Recent developments in hazardous pollutants removal from wastewater and water reuse within a circular economy
(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 ... -
Three‐dimensional graphene/MWCNT-MnO2 nanocomposites for high‐performance capacitive deionization (CDI) application
(Elsevier, 2022-05)Surface area and the conductivity of the electrode materials are crucial in achieving high desalination performance in capacitive deionization (CDI) applications. In this study, we have successfully fabricated 3D ... -
Fouling mechanisms in ultrafiltration under constant flux: Effect of feed spacer design
(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 ... -
Feedstock Availability, Composition, New Potential Resources for Biohydrogen, Biomethane, and Biobutanol Production via Biotechnological Routes
(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 ... -
Polydopamine-coated graphene oxide nanosheets embedded in sulfonated poly (ether sulfone) hybrid UF membranes with superior antifouling properties for water treatment
(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 ... -
Covalent surface entanglement of polyvinylidene fluoride membranes with carbon nanotubes
(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 ... -
Synthesis of polydopamine coated tungsten oxide@ poly (vinylidene fluoride-co-hexafluoropropylene) electrospun nanofibers as multifunctional membranes for water applications
(Elsevier, 2022-01)In this work, electrospun poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) nanofiber membranes were loaded with tungsten oxide (WO3) nanoparticles, surface coated with polydopamine (PDA) hierarchical structures, ... -
Activation of PVDF membranes through facile hydroxylation of the polymeric dope
(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 ... -
Exploiting the interplay between liquid-liquid demixing and crystallization of the PVDF membrane for membrane distillation
(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 ... -
Synergistic effect of humic acid on alkali pretreatment of sugarcane bagasse for the recovery of lignin with phenomenal properties
(Pergamon, 2020-03)Lignin forms a recalcitrant structure in lignocellulosic biomass and hence huge amount of enzymes are required for disintegrating it into their subsequent components, like glucose and other by-products. Thus, the pretreatment ... -
Nanoporous hollow fiber polyethersulfone membranes for the removal of residual contaminants from treated wastewater effluent: Functional and molecular implications
(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 ... -
CNT/PVP blend PVDF membranes for the removal of organic pollutants from simulated treated wastewater effluent
(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 ... -
Functional groups docking on PVDF membranes: Novel Piranha approach
(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 ... -
Tackling membrane fouling in microalgae filtration using nylon 6, 6 nanofiber membrane
(Academic Press, 2018)Microalgae technology, if managed properly, has promising roles in solving food-water-energy nexus. The Achilles' heel is, however, to lower the costs associated with cultivation and harvesting. As a favorable technique, ... -
Thin film deposition techniques for polymeric membranes–A review
(Elsevier, 2020-09)Thin film deposition (TFD) allows for precise tuning of the chemical and physical properties of a membrane to improve performance, including the selectivity, flux, chemical resistance, and antifouling and antimicrobial ... -
On the effect of fumed silica particles on the structure, properties and application of PVDF membranes
(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 ... -
PVDF/magnetite blend membranes for enhanced flux and salt rejection in membrane distillation
(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 ... -
Assessment and rationalization of water quality monitoring network: a multivariate statistical approach to the Kabbini River (India)
(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 ... -
Shrinkage, defect and membrane distillation performance of composite PVDF membranes
(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 ... -
Leaching of PVP from PVDF/PVP blend membranes: Impacts on membrane structure and fouling in membrane bioreactors
(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. ... -
Fabrication of blend polyvinylidene fluoride/chitosan membranes for enhanced flux and fouling resistance
(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) ... -
Reversing membrane wetting in membrane distillation: comparing dryout to backwashing with pressurized air
(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 ... -
Photocatalytic hollow fiber membranes for the degradation of pharmaceutical compounds in wastewater
(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 ... -
Brine management in desalination industry: From waste to resources generation
(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 ...
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