Blar i Master's theses (TN-IMN, 2007-2017) på emneord "vann"
Viser treff 1-20 av 23
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Anaerobic Treatment of Industrial Wastewater under Psychrophilic Conditions (10 °C ) using Upflow Anaerobic Sludge Blanket (UASB) reactor, Lab Studies.
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-06-15)The main objective of this study was to investigate the performance of UASB reactors for their efficiency of removing COD and producing methane gas at psychrophilic temperature, 10 °C by treating high strength municipal ... -
Chemical precipitation and treatment control parameters in wastewater treatment
(Masteroppgave/UIS-TN-IMN/2014;, Master thesis, 2014-06-30)The requirements for discharges from urban wastewater treatment plants are for BOD5 at 20 °C a maximum of 25 mg/l O2; for COD a maximum of 125 mg/l O2; and for Total Suspended Solids the maximum concentration allowed is ... -
Effect on solids separation from wastewater with varying aeration and mixing conditions
(Masteroppgave/UIS-TN-IKBM/2018;, Master thesis, 2018-06-15)The main objective of this review was to analyze the effect on the separation of solids from wastewater with different conditions of aeration and mixing in order to compare their efficiency when both processes act ... -
Effect studies of different oil and dispersant exposures on keystone pelagic zooplankton species in arctic environments
(Masteroppgave/UIS-TN-IMN/2013;, Master thesis, 2013)Expanding petroleum activities into northern marine areas have resulted in need for tools that specify Arctic specific characteristics when assessing environmental risks for these regions. In order to estimate the environmental ... -
Evaluation and testing of different pre-treatment procedures for making sludge liquor suitable as a nutrient source for growth of microalgae
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010)The objective for this thesis is to find a proper pre-treatment for sludge liquor for the purpose of growing microalgae in the treated solution. Sludge liquor (also called reject water) is the reject/centrate after the ... -
Evaluation of metal- and PAH toxicity of thermo treated oil-based drill cuttings by the use of DREAM sediment model
(Masteroppgave/UIS-TN-IMN/2015;, Master thesis, 2015-06-28)Dose-related Risk and Exposure Assessment Model (DREAM) is a risk assessment tool used for modulations of offshore waste discharges effects on the marine environment. The model was first developed in order to estimated the ... -
Evaluation of Using Coagulants for Treatment of Highly Viscous Slop Water Containing Xanthan Gum
(Masteroppgave/UIS-TN-IKBM/2018;, Master thesis, 2018-06-13)Exploration and development drilling activities in offshore Oil and Gas industry generates waste streams, which slop water are among the significant wastes. Slop water is formed when wastewater originating from multiple ... -
Improving BOD removal at SNJ wastewater treatment plant by biological treatment at low temperature
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010)Nowadays, the use of microorganisms in wastewater handling known as ‘biological treatment’ becomes more and more popular. Better results can be achieved with this process. SNJ, one of the biggest chemical wastewater ... -
Large Eddy Simulation of buoyant plumes
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-06)Industrial and environmental safety relies on understanding and evaluating risks and failures on the individual processes and operations. Simulating hazardous fluid flows with the use of Computational Fluid Dynamics (CFD) ... -
Model based optimization of biogas production at SNJ plant
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010)The main purpose of this thesis is the acquisition of knowledge and familiarization with the SNJ biogas plant and effects of codigestion. Plant operation and performance was monitored in order to understand and evaluate ... -
Monitoring sediment bound cadmium in sømme bay, Hafrsfjord, Norway
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010)Cadmium is considered to be a very toxic heavy metal for organisms at all levels of organisation. Therefore, careful analysis is made in Sømme bay, Hafrsfjord as this area is a very important marine wetland habitat, ... -
Municipal wastewater treatment using salsnes filter and hollow fiber membrane bioreactor (HMFB)
(Masteroppgave/UIS-TN-IMN/2014;, Master thesis, 2014-07-04)This study investigated the performance of Salsnes Filter (SF) as a primary treatment prior to hollow fiber membrane bioreactor (HFMB) for nitrogen removal. The objective was to determine whether influent particle size ... -
Passive Solar Driven Water Treatment of Contaminated Water Resources
(Masteroppgave/UIS-TN-IMN/2015;, Master thesis, 2016-07-15)Freshwater, being vital for mankind survival, has become a very serious concern for the public especially living in countries with limited water, energy and economic resources. Freshwater generation is an energy-intensive ... -
Performance of sequencing batch reactors for nutrient removal using salsnes filter fine mesh sieves as a primary treatment
(Masteroppgave/UIS-TN-IMN/2013;, Master thesis, 2013)This study investigated the performance of sequencing batch reactors (SBR) for nitrification and denitrification. Bench scale Salsnes Filter (SF) was used as a primary treatment to provide wastewater with different organic ... -
Potential Nutrient Removal and/or Recovery Using Controlled Struvite Precipitation in Reject Water from IVAR Grødaland
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-06-15)The main focus of this study was to investigate the possibilities to control struvite precipitation in IVAR Grødaland, Norway, by determining the optimum conditions for struvite to precipitate. A laboratory scale experiment ... -
Pre-Treatment Of Drill Cuttings
(Masteroppgave/UIS-TN-IMN/2016;, Master thesis, 2016-06)The need for more environmental and economical solutions to treat drilling waste offshore led Norwegian-Group AS to develop a novel technology. This technology is based on microwave processing of drilling waste. The ... -
Prevalence, distribution and environmental factors associated with Perkinsus marinus infections in eastern oyster, Crassostrea virginica, in Apalachicola Bay, Florida, USA
(Masteroppgave/UIS-TN-IMN/2013;, Master thesis, 2013)Perkinsus marinus is a protozoan parasite causing Dermo disease in the Eastern Oyster, Crassostrea virginica. The parasite spreads from oyster to oyster through the water column, and can cause extensive oyster mortalities, ... -
Progress in the total synthesis of hazardiadione
(Masteroppgave/UIS-TN-IMN/2010;, Master thesis, 2010) -
Removal of MBBR Biofilm Solids by Salsnes Filter Fine Mesh Sieves
(Masteroppgave/UIS-TN-IMN/2012;, Master thesis, 2012)Biological wastewater treatment is often used in conjunction with primary treatment to reduce the constituents in wastewater. It is normally necessary to separate the biomass from the treated wastewater in order to meet ... -
Retention and biological uptake of phosphorous in the Leikvollbekken constructed wetland
(Masteroppgave/UIS-TN-IMN/2017;, Master thesis, 2017-06-15)Phosphorous is the limiting nutrient for primary production in freshwater systems and excessively applied as inorganic fertilizer in agriculture. Elevated phosphorous concentrations in recipients can cause eutrophication ...