Browsing Environmental Engineering by Title
Now showing items 21-40 of 50
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HARVESTING OF CHLORELLA SP. MICROALGAE BY DIELECTROPHORETIC FORCE USING TITANIUM DIOXIDE (TiO2) INSULATED ELECTRODES
(2022 , Master Thesis)The harvesting of microalgae using conventional technologies suffers from biomass contamination, high energy consumption and long processing time. In this study, titanium dioxide (TiO2) insulated stainless steel electrodes ... -
HIGH PRESSURE CO2/N2 AND CO2/CH4 SEPARATION USING DENSE POLYSULFONE SUPPORTED IONIC LIQUID MEMBRANES (DPSILMS)
(2016 , Master Thesis)The separation of carbon dioxide from different sources (e.g. natural gas, flue gas, etc.) has become an important area of research. Some conventional methods of CO2 separation were used over the years including adsorption ... -
INFLUENCE OF METAL OXIDE COATINGS ON THE PERFORMANCE OF HIGH-VOLTAGE LiNi0.5Mn1.5O4 (LNMO) CATHODE MATERIALS FOR RECHARGEABLE LITHIUM-ION BATTERIES (LIBS)
(2023 , Master Thesis)Lithium-ion batteries (LIBs) have been publicized as suitable candidates for their utilization in portable electronics and electric vehicles (EVs). This move has been made in the past decade to address global warming and ... -
Influence of Polyelectrolyte’s Architecture On the Electro Kinetics and Rheological Behavior of Industrial Membrane Bioreactor Activated Sludge
(2019 , Master Thesis)Membrane bioreactor (MBR) is a recent biological treatment process in many industrial and municipal industries that has been implemented to overcome the current difficulties of activated sludge (AS) processes for ... -
Inhibition of Inorganic Oilfield Scales: Theoretical Investigation
(2021 , Master Thesis)Scale deposition is a critical issue in the oil and gas exploration and production processes causing significant blocking in the tubing and consequently flow assurance and economic losses. Most studies addressing the scale ... -
An investigation into fouling, wetting and their mitigation using commercial Antiscalant in membrane distillation desalination
(2017 , Master Thesis)An experimental investigation into membrane fouling and loss of hydrophobicity was carried out in direct contact membrane distillation (DCMD) desalination of high salinity seawater. The membrane used was a commercial ... -
AN INVESTIGATION INTO HYDROPHOBIC MEMBRANE FOULING IN DESALINATION USING MEMBRANE DISTILLATION TECHNOLOGY
(2015 , Master Thesis)Demand for freshwater supplies is continuously increasing globally to the extent where some parts of the world became highly water stressed. In particular, the Arabian Gulf states rely heavily on seawater desalination for ... -
Kinetics of CO2 Reaction with Amino-Butanol and Piperazine Using Stopped-Flow Apparatus
(2023 , Master Thesis)This research project focuses on the kinetics of CO2 reaction with Amino-butanol (AB) and Piperazine (PZ) for carbon capture. The study examines the CO2 reaction rate of different concentrations of the AB-PZ solution (0.2, ... -
MEASURING GEOMETRICAL TORTUOSITY OF POROUS MEDIA FROM 3D COMPUTED TOMOGRAPHY IMAGES
(2017 , Master Thesis)Tortuosity is an important parameter that has a significant impact on many environmental processes and applications. Flow in porous media, diffusion of gases in complex pore structures, and transmembrane flux in water ... -
MODELLING AND OPTIMIZATION OF A MULTI-POPULATION, SINGLE-CHAMBER MICROBIAL FUEL CELL OPERATING IN A CONTINUOUS FLOW MODE AT STEADY-STATE
(2022 , Master Thesis)There is no doubt that energy demand has been increased in the last decade due to the economic revolution. However, this revolution is based on the fossils fuel which are going to be depleted. Microbial fuel cells are one ... -
MODIFIED WALNUT SHELLS FOR THE REMOVAL OF MERCURY
(2024 , Dissertation)Mercury, a highly toxic heavy metal, poses a significant threat to both the environment and human health. Mercury pollution can negatively impact wildlife and infiltrate the food chain, ultimately affecting humans. Exposure ... -
A New Electrocoagulation Electrode Configuration for The Treatment of Secondary Treated Wastewater
(2019 , Master Thesis)Electrocoagulation (EC) is an effective method that is applied to treat a wide range of wastewater. A new electrode configuration is being proposed with the application of the Dielectrophoresis (DEP) force which is expected ... -
Novel Adsorbents For The Removal Of Oil From Produced Water
(2019 , Master Thesis)Produced water is water that is brought up to the surface of the well during oil and gas operations. Almost all oil and gas wells generate huge amounts of produced water as part of the production process. These large volumes ... -
A Novel Electrocoagulation System For Produced Water Treatment
(2018 , Master Thesis)Produced water, which is generated from the Oil & Gas industries, is becoming a global concern due to its complex composition and large volumes. This thesis introduces a novel electrocoagulation system for the treatment ... -
A NOVEL HYBRID ELECTRO-COAGULATION/ FORWARD OSMOSIS MEMBRANE SYSTEM FOR TREATMENT OF PRODUCED WATER
(2018 , Master Thesis)Large volumes of fresh water are consumed in the process of oil and gas exploration, producing even larger volumes of highly contaminated produced water (PW) which exhibits a major environmental problem. This work ... -
OPTIMIZING AND EVALUATING THE EFFECTIVENESS OF VIBRATORY SHEAR ENHANCED PROCESS FOR THE SUSTAINABLE MANGEMENT OF COOLING WATER BLOWDOWN
(2023 , Master Thesis)In this work, the implementation of vibratory shear enhanced process (VSEP) as an emerging membrane technology for the treatment of cooling water blowdown (CWBD) was investigated. VSEP offer the advantage of reducing the ... -
Photobioreator technology for carbon capture and nutrients removal
(2017 , Master Thesis)Carbon dioxide concentration in the atmosphere is increasing significantly worldwide. Many are debating the influence of increasing carbon dioxide concentration on global climate, but most scientists agreed that the ... -
Pilot-Scale Investigation of Osmotic Concentration for Reducing Wastewater Injection Volumes in Qatari Gas Fields
(2020 , Master Thesis)In the past 10 years, forward osmosis (FO) has been capturing the attention as a low-energy membrane technology for wastewater reclamation. FO relies on the osmosis phenomenon from osmotic pressure difference across ... -
Relating Representative Elementary Volume of Tortuosity to That of Porosity as Revealed from Computed Tomography Images
(2019 , Master Thesis)Tortuosity and porosity are significant micro-scale parameters that have a major impact on many environmental processes and engineering applications that are usually implemented at a macroscopic scale. Thus, it is ... -
RIGOROUS SIMULATION AND OPTIMIZATION OF THE COLD SECTION IN A REAL LNG PLANT: UPFRONT NITROGEN REMOVAL AS PROCESS ENHANCING CONCEPT
(2023 , Master Thesis)The global demand for LNG is expected to continue increasing over the next decays. Qatar, as one of the largest LNG exporters with a 22% global share, announced in 2020 a plan to increase the production capacity by more ...