Browsing by Subject "Water treatment"
Now showing items 1-20 of 51
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A boost converter-based ringing circuit with high-voltage gain for unipolar pulse generation
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)High-Voltage pulse generators are commonly used in biotechnology, medicine, industrial applications, food processing and drinking water purification. The dc-dc boost converter has been used before in pulsed applications ... -
A comprehensive review of electrocoagulation for water treatment: Potentials and challenges
( Academic Press , 2017 , Article Review)Electrocoagulation is an effective electrochemical approach for the treatment of different types of contaminated water and has received considerable attention in recent years due its high efficiency in dealing with numerous ... -
A dual-isolation-forests-based attack detection framework for industrial control systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)The cybersecurity of industrial control systems (ICSs) is becoming increasingly critical under the current advancement in the cyber activity and the Internet of Things (IoT) technologies, and their direct impact on several ... -
A Full-Bridge Submodule-Based Modular Unipolar/Bipolar High-Voltage Pulse Generator with Sequential Charging of Capacitors
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Repetitive high pulsed electric field (PEF) is an effective method to kill microorganisms and bacteria in water treatment applications. The PEF can be generated by applying high-power electromagnetic pulse across the sample ... -
A high voltage pulse-generator based on DC-to-DC converters and capacitor-diode voltage multipliers for water treatment applications
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)Pulsed electric field (PEF) can be used effectively in water treatment applications by passing infected water through two electrodes excited from a high voltage pulsed power supply which guarantees killing the harmful ... -
AC-powered multi-module high-voltage pusle-generator with sinusoidal input current for water treatment via underwater pulsed arc discharge
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)The underwater pulsed arc discharge is one of the effective methods in water treatment applications. In pulsed arc discharge, a pulsed output in the range of 1-10 kV is typically applied across the water treatment chamber ... -
Adsorption as a process for produced water treatment: A review
( MDPI AG , 2020 , Article Review)Produced water (PW) is a by-product of oil and gas operations, and its production is foreseen to increase in the upcoming years. Such an increase is justified by various entities through their projection of the expected ... -
Advanced degradation of organic substance in water using no-ferric Fenton reaction on Titania nanotube
( Qatar University Press , 2020 , Poster)Highly reactive OH radicals facilitate advanced oxidation processes (AOPs) [1]. AOPs are irreplaceable in environmental remediation including but not limited to pollutant degradation [2]. H2O2 leading to OH radicals in ... -
Bio-Inspired Fabrication of Ultrafiltration Membranes incorporating Polydopamine Functionalized Graphene Oxide Nanoparticles
( Qatar University Press , 2021 , Poster)Novel PSF composite UF membranes incorporating low loadings of polydopamine-functionalized graphene oxide particles (rGO-PDA) were fabricated and investigated. The functionalization was confirmed using FTIR-UATR, Raman ... -
Ceramic membrane filtration of produced water: Impact of membrane module
( Elsevier B.V. , 2016 , Article)Produced water (PW) generated from oil exploration requires rigorous removal of suspended matter (free oil and particulate solids) as tertiary treatment (downstream of hydrocyclone and gas flotation) if it is to be re-injected ... -
Comparative study between adsorption and membrane technologies for the removal of mercury
( Elsevier B.V. , 2021 , Article)Mercury is one of the most detrimental by-products of industrial activities, such as mining and fossil fuel combustion. What differentiates this contaminant from other pollutants is its bioaccumulation and rapid distribution ... -
Destabilization and treatment of produced water-oil emulsions using anionic polyacrylamide with electrolyate of aluminum sulphate and ferrous sulphate
( Society of Petroleum Engineers , 2016 , Conference Paper)Surfactant and polymer flooding technology can greatly enhance the oil recovery through the expansion of sweeping and displacing efficiency. The recovered oil from surfactant and polymer flooding emulsifies the residual ... -
Development of novel nano-γ-Al2O3 adsorbent from waste aluminum foil for the removal of boron and bromide from aqueous solution
( Elsevier , 2022 , Article)The current study deals with the synthesis of nano-gamma-alumina (nano-γ-Al2O3) from waste aluminum foil and its application for the removal of boron and bromide from an aqueous solution. The physical characteristic of ... -
Effective removal of phenol from wastewater using a hybrid process of graphene oxide adsorption and UV-irradiation
( Elsevier B.V. , 2022 , Article)The focus of this work is the removal of phenol from water by graphene oxide (GO) nanoparticles, prepared by two different methods, through a hybrid adsorption?UV-irradiation process. The GO1 and GO2 were prepared using ... -
Efficient Turbidity Removal Using a New Gel Filtration Process
( Qatar University Press , 2023 , Conference Paper)The removal of turbidity is a prime objective in the treatment of seawater, especially in the production of potable water. The water turbidity exists because of the colloidal particles or large-weight molecules that remain ... -
Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate
( Elsevier , 2020 , Article)Sunlight-driven water-energy nexus technologies are receiving increasing attention. This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst ... -
Functionalized cellulose nanocrystals extracted from date pits as agricultural waste for the efficient remediation of molybdenum from groundwater: Performance and mechanistic studies
( Elsevier , 2024 , Article)The adsorption technique has proven to be an excellent option for treating contaminated water. This work was designed to investigate the efficient remediation of molybdenum (Mo(VI)) from groundwater by using a novel adsorbent ... -
Graphene-based membrane techniques for heavy metal removal: A critical review
( Elsevier , 2021 , Article)As good quality water is becoming increasingly scarce, efficient methods for water recovery, recycling, and reuse must be developed to ensure a reliable water supply. This endeavor may take into account other water supplies ... -
Heavy metal removal from aqueous solution by advanced carbon nanotubes: Critical review of adsorption applications
( Elsevier , 2016 , Article Review)The scarcity of water, especially in arid and semi-arid regions of the world is exerting great pressure on resources and establishing more need to provide good quality water for human and other consumptions. Water ... -
High voltage pulse generator based on DC-to-DC boost converter with capacitor-diode voltage multipliers for bacterial decontamination
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)High voltage pulse generators can be used effectively in water treatment applications, as applying a pulsed electric field on the infected sample guarantees killing of harmful germs and bacteria. In this paper, a new high ...