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Now showing items 1-20 of 107

Reuse of textile dyebaths by treatment with advanced oxidation

Tezcanlı, Gökçe. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 1998., 1998.)

The urgent need to conserve, recycle, and reuse the limited water resources of the earth has forced mankind to research and develop new methods and technologies for treating and managing used waters from process, cooling ...
Powdered activated carbon addition to activated sludge in the treatment of landfill leachate

Aktaş, Özgür. (Thesis (M.S.) - Bogazici University. Institute of Environmental Engineering, 1999., 1999.)

Powdered activated carbon (PAC) addition to activated sludge is a convenient method in the treatment of wastewaters that contain high amounts of nonbiodegradable and inhibitory organics. In the biological treatment of ...
Deretmination of the remaining stabilization potential of landfilled solid waste by sludge addition

Güleç, Şükran Başak. (Thesis (M.S.)- Bogazici University. Institute of Environmental Technology, 1999., 1999.)

Research activities on the innovative landfill management techniques are becoming attractive research areas in the last decades due to increasing amounts of solid waste by increasing industrialization and urbanization. In ...
Evaluation of in situ leachate management alternatives on municipal solid waste stabilization in sanitary landfills

San, İrem. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 1999., 1999.)

An alternative approach for treating municipal solid waste involves the treatment of the waste after landfilling by addition of moisture to the waste. Increasing attention is being given to municipal solid waste landfill ...
In situ immobilization of the selected heavy metals by sulfide compounds in landfills under methanogenetic conditons

Erses, Aliye Suna. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2001., 2001.)

Co-disposal is a technique for the controlled disposal of hazardous wastes together with municipal solid waste. Co-disposal of industrial wastes including heavy metals and disposal of household hazardous substances such ...
Surfactant sorption & desorption on soil surfaces of varying clay content

Küçükaşık, M. Faruk. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2001., 2001.)

In this research, sorption and desorption behavior of selected surfactants were investigated on a soil sample that was mixed with different clays at different ratios. The surfactants investigated were a cationic surfactant ...
An state-of-the-art design technique in landfill engineering :|a case study

Aykan, S. Birkan. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2001., 2001.)

Disposal of solid wastes, the final functional element of the solid waste management system. is a major problem throughout the industrialized world. Sanitary landfilling is today widely recognized as the most common and ...
Effect of powered activated carbon addition on substrate removal and sludge characteristics in leachate treatment

Kılıç, Emel. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2001., 2001.)

The performance of activated sludge process depends on substrate removal efficiency and a good separation of biomass from the supernatant. Powdered Activated Carbon (PAC) addition to activated sludge is a promising method ...
Microbial population dynamics in an anaerobic completely stirred tank reactor treating a pharmaceutical wastewater

Öz, Nilgün Ayman. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2001., 2001.)

In this study, effects of a chemical synthesis based pharmaceutical wastewater on performance of an anaerobic completely stirred tank reactor (CSTR) and activity of acetoclastic methanogens, number and composition of ...
Soil metal interactions and investigation of extractive metal removal pathways

Özkaraova, Emre Burcu. (Thesis (Ph.D.) - Bogazici University. Institute of Environmental Sciences, 2001., 2001.)

The aim of this work was to interprete the interaction of zinc with soils varying in composition and investigate methods for the removal of zinc from soil. The adsorption behaviour of zinc was evaluated with isotherms, ...
Land use change analysis of Erdemli-Kız Kalesi region by using GIS methodology

Oral, Hasan Volkan. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2002., 2002.)

According to scientific authorities in the year of 2025, the majority of the world's population around 5 billion people will be living in urban areas. As human settlements expand, prime agricultural land and habitats such ...
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 ...
Effect of radical scavengers on the performance of advanced oxidation processes

Gültekin, Işıl. (Thesis (M.S.) - Bogazici University. Institute of Environmental Sciences, 2002., 2002.)

Advanced Oxidation Processes (AOPs) rely on the generation of short-lived, powerful and non-selective hydroxyl radicals (·OH) that are responsible for the destruction of a wide range of contaminants in wastewaters. The ...
Modeling of SO2 emissions from Yatağan power plant

İm, Ulaş. (Thesis (M.S.)-Bogazici University. Institute of Environmental Sciences, 2003., 2003.)

The meteorological model, CALMET, and its plume dispersion model, CALPUFF, were used in order to simulate the dispersion of SO2 emitted from Yatağan Power Plant and its effect on Yatağan district in the episodic event on ...
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 ...
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 ...
Mathematical modeling of a biogas recovery system at the İZAYDAŞ, Kocaeli sanitary landfill

Cıngır, Alper. (Thesis (M.S.)-Bogazici University. Institute of Environmental Sciences, 2004., 2004.)

The purpose of this study is to asses the potential of landfill gas generation and recovery from Lot 7 of the İZAYDAŞ solid waste disposal site in Izmit, Turkey. A multi-step model is developed to evaluate the performance ...
Effects of ozonation, photocatalystic oxidation, and sequential oxidation on coagulation of humic acids

Şen, Sibel. (Thesis (M.S.)-Bogazici University. Institute of Environmental Sciences, 2004., 2004.)

In this study, coagulation behavior of untreated and treated humic acids with two different types of metal coagulant and two types of polyelectrolyte as coagulant aid were investigated. The aim of this study was to understand ...
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 ...
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 ...

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