Blar i Faculty of Science and Technology på emneord "vann"
Viser treff 1-20 av 43
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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 ... -
Anaerobic Treatment of Municipal Wastewater at Mesophilic and Psychrophilic Temperatures Using Bench Scale Upflow Anaerobic Sludge Blanket (UASB) Reactors
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-06-15)The limitation of high TSS wastewater treatment is hydrolysis. At low temperatures, the hydrolytic rate limitation is exacerbated. This project investigates the operational conditions required to improve the hydrolytic ... -
Analysis of the Antibiotic Ampicillin in Activated Sludge: Method Development and Adsorption Studies
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-06)The presence of antibiotics in wastewater treatment plants is a concern, both because of potential release to natural water systems, and connected to the spread of antibiotic resistance genes. In this thesis, the focus is ... -
Biogas Potential of Municipal Wastewater Treatment using Up-Flow Anaerobic Sludge Blanket (UASB) reactors under Psychrophilic Condition
(Masteroppgave/UIS-TN-IKBM/2018;, Master thesis, 2018-06)The operation of two laboratory scale of Up-flow Anaerobic Sludge Blanket (UASB) reactors on treating medium to high strength wastewater (i.e. 500 – 1200 mg COD/l) under psychrophilic conditions (5.5°C) were studied. The ... -
Biological effects of pharmaceuticals around a marine wastewater outfall – a case study in Rogaland, Norway
(Masteroppgave/UIS-TN-IKBM/2020;, Master thesis, 2020-01)In this thesis, farmed Mytilus edulis were caged and deployed at three locations at the coastline of the North Sea to monitor the potential biological effect related to the presence of pharmaceuticals in the marine ... -
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 ... -
Colloid transport in a single fracture-matrix system: Gravity effects, influence of colloid size and density
(Journal article; Peer reviewed, 2018-10)A numerical model was developed to investigate the influence of gravitational force on the transport of colloids in a single horizontal fracture–matrix system. Along with major transport phenomena, prominence was given to ... -
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 ... -
Engineered methanotrophic syntrophy in photogranule communities removes dissolved methane
(Peer reviewed; Journal article, 2021-06)The anaerobic treatment of wastewater leads to the loss of dissolved methane in the effluent of the treatment plant, especially when operated at low temperatures. The emission of this greenhouse gas may reduce or even ... -
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 Biogas Production Potential of Glycol-Containing Industrial Waste from Kårstø Processing Plant
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-07-06)This research has been carried out to investigate the potential for methane gas production from untreated glycol containing industrial waste water from Kåstrø gas refinery, Tysvær Norway. Biogas methane potential (BMP) has ... -
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 TOC concept in industrial wastewater at SART AS
(Masteroppgave/UIS-TN-IKM/2011;, Master thesis, 2011)Approximately 98 % of the industrial wastewater that SART receives comes from offshore activities. Unlike municipal waste water, this wastewater contains relatively high Total Organic Carbon (TOC), and very little Nitrogen ... -
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 ... -
Implication of forms and distribution of phosphorous in sediments of three Stavanger lakes and ponds of constructed wetland on the potential for sedimentary phosphorous release and future eutrophication.
(Masteroppgave/UIS-TN-IKBM/2018;, Master thesis, 2018-07-27)Excess of bioavailable phosphorus in fresh-water systems results in algal blooms and subsequent biogeochemical activities which in turn as positive feedback can escalate eutrophication and significantly reduce water quality. ... -
Improving and evaluating methods of the analysis of microplastics from environmental samples
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-06-15)The objective of this thesis was to improve the methodology in the studies of the microplastics (MPs) in the laboratory and from environmental samples. The main application for this purpose was by the use of a quality ... -
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 ... -
Investigating phosphate release from EBPR sludge and associated possibility of controlled struvite precipitation at SNJ wastewater treatment plant
(Masteroppgave/UIS-TN-IKBM/2018;, Master thesis, 2018-06)The main treatment stage at SNJ Wastewater Treatment Plant was recently upgraded from chemical treatment to mechanical-biological treatment with Enhanced Biological Phosphorous Removal (EBPR). The implementation of EBPR ... -
Investigation of Enhanced Biological Phosphorus Removal (EBPR) Process Performance at SNJ Wastewater Treatment Plant (IVAR)
(Masteroppgave/UIS-TN-IKBM/2019;, Master thesis, 2019-06-15)This study has investigated the efficiency of phosphorus (P) removal and optimization the function of the Enhanced Biological Phosphorus Removal (EBPR) at SNJ (Sentralrenseanlegg Nord-Jæren), owned by IVAR (Interkommunalt ...