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Ph.D. Theses: Recent submissions

Toplam kayıt 26, listelenen: 1-20

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Analysis of CO2 emissions resulting from electricity sector in Turkey by using Boğaziçi University Energy Modeling System (BUEMS) modeling framework

Kalkan, Emre. (Thesis (Ph.D.) - Bogazici University. Institute of Environmental Sciences, 2022., 2022)

Due to factors such as industrialization, increase in population and economic growth electricity demand has shown a significant increase at global scale. This increase has put forward discussions concerning electricity ...
Optimization of ultrasonic reactors for bacterial and organic matter decay

Kıdak, Rana. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2005., 2005.)

Public concern for the environment has taken on a new prominence with wastemanagement becoming a priority. As a consequence, new and environmental friendly methods for pollutant degradation are vastly investigated. Advanced ...
Electrocoagulation and advanced oxidation as intermediate effluent treatment steps for water reuse in a textile dyeing plant

Alaton, Gilbert İzzet. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2005., 2005.)

Dyehouse effluents are highly colored and contain significant amounts of dissolved and suspended solids so that in most cases the use of membrane separation technologies as a final treatment stage becomes inevitable to ...
Ultrasonic destruction of trihalomethanes: optimization of system parameters

Ercümen, Yonca. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2006., 2006.)

Disinfection of drinking waters is a major public health triumph of our age. However, while the pathogenic microorganisms provide the primary health risk from drinking water, chemical disinfection by-products also introduce ...
Application of mechanical vapor recompression (MVR) evaporator system on industrial wastewater treatment

Ashraf, Muhammad. (Thesis (Ph.D.)-Bogazici University. Institute of , 2005., 2005.)

As a principle "recycling should be preferred over treatment wherever possible". In line with this, a multipurpose Mechanical Vapor Recompression (MVR) evaporator pilot plant was designed, fabricated and tested at a pilot ...
Cometabolic degration of trichloroethylene (TCE) and 1,2-dichloroethane (1,2-DCA) in nitrification systems

Kocamemi, Bilge Alpaslan. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2005., 2005.)

Public concern for the environment has taken on a new prominence with wastemanagement becoming a priority. As a consequence, new and environmental friendlymethods for pollutant degradation are vastly investigated. Advanced ...
Degradability of synthetic dyestuff by acoustic cavitation: impacts of system conditions and physical /chemical agents

Güyer, Gökçe Tezcanlı. (Thesis (Ph.D.)-Bogazici University. Institute of for Environmental Science, 2003., 2003.)

The use of ultrasound in environmental applications is a novel advanced oxidation process that is currently being investigated as a method to degrade refractory organic wastes, which can not be degraded by conventional ...
Elucidation of Ammonia inhibition in anaerobic treatment process by using 16S rRNA /DNA based microbial identification techniques

Çallı, Barış. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences,2003., 2003.)

A high ammonia landfill leachate was anaerobically treated for more than 1000 days in laboratory scale two different anaerobic reactors configured as sludge blanket and hybrid bed. Effects of high ammonia concentrations ...
Identification of micropollutants in Ergene river and their biotransformation potential under anaerobic conditions

Emadian, SeyedMehdi. (Thesis (Ph.D.) - Bogazici University. Institute of Environmental Sciences, 2019., 2019.)

Ergene River spans Thrace from northeast to southwest and joins to Maritsa River, then falls to Aegean Sea at Turkey-Greece border. The river suffers pollution from different sources such as industrial and urban discharges, ...
Removal of organics in reverse osmosis concentrate by advanced treatment

Birben, Nazmiye Cemre. (Thesis (Ph.D.) - Bogazici University. Institute of Environmental Sciences, 2020., 2020.)

Due to its effective and reliable purification performance, reverse osmosis technology is one of the practical and affordable ways to produce high quality recycled water. However, a major drawback of reverse osmosis is ...
Cake filtration at high biomass nitrogen removing systems

Özdemir, Burcu. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2013., 2013.)

Pilot scale cake filtration biological reactor (CFBR) and membrane bioreactor (MBR) were operated (capacity: 100 m3/d) for 26 months. The system was evaluated according to conventional cake filtration theory using its plots ...
Toxicity-oriented control of advanced oxidation processes a case study on phenol derivatives

Karcı, Akın. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2013., 2013.)

Advanced oxidation processes are expected to be carefully operated and monitored based on their ecotoxicological impact because the partial oxidation of organic contaminants may result in the formation of intermediates ...
Photocatalytic oxidation of humic acid in heterogeneous aqueous systems: a comparative investigation between montmorillonite and kaolinite

Şen, Sibel. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2013., 2013.)

Humic acids representing the major fraction of the naturally occurring humic substances are composed of highly functionalized carbon rich polydisperse organic fractions. Clay minerals which are responsible for the transport ...
Rapid detection and identification of bacterial pathogens in drinking water sources using DNA-BASED methods and immunoimmobilization technology

Çelikkol Aydın, Şükriye. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2013., 2013.)

Clean water is a basic requirement for the survival of the planet and is essential for human health. Water-borne pathogens and the diseases they cause have been a serious threat to public health. Drinking water is a major ...
Evaluation of different waste streams as fermentation substrates for microbial biopolymer production

Küçükaşık, M. Faruk. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2010., 2010.)

The growing reliance on synthetic polymers has raised a number of environmental and human health concerns. Most plastic materials are derived from nonrenewable resources and not biodegradable. Their distinguishing properties ...
Analysis of microbial communities associated with anaerobic solvent degradation in sequencing batch reactors by traditional and molecular tools

Öz, Nilgün Ayman. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2008., 2008.)

In recent years, discharges of the organic solvents have been subjected to stringent environmental regulations because of their undesirable effect on living organisms in aquatic environments and human health. Organic ...
Life cycle management of agricultural and animal wastes through integrated energy systems for a particular region

Şişman, Figen. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2011., 2011.)

Life cycle management is very essential to sustainable development which aims a balance between environmental, social and economic dimensions over products’ life cycle. Life cycle management consists of methods to quantify ...
A simple method for small scale wastewater treatment plants for the thickening of sludges: mesh filter and foam filter

Gökyay, Orhan. (Thesis (Ph.D.)-Bogazici University. Environmental Sciences, 2008., 2008.)

The ultimate disposal of wastewater sludge (biosolids) continues to be one of the most difficult and expensive problems in the field of wastewater engineering. Wastewater treatment plants generate different sludges, like ...
Effect of high concentration granients on hydrodynamic dispersion

Sarıoğlu, Murat Savaş. (Thesis (Ph.D.)-Bogazici University. Institute of Environmental Sciences, 2011., 2011.)

The hydrodynamic dispersion of contaminants in the subsurface is commonly described by Fick's Law which expresses the dispersive mass flux as a linear function of the concentration gradient with a constant dispersion ...
Oxidation of aqueous humic substances by ozonation

Kerç, Aslıhan. (Thesis (Ph.D) - Bogazici University. Institute of Environmental Sciences, 2002., 2002.)

Chemical oxidation techniques have been used in water treatment for the removal of natural organic matter, which produce halogenated organic compounds upon chlorination. Although being a powerful oxidant, ozone is known ...

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