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Dissertations / Theses on the topic 'Simulated wastewater'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Anar, Mohammad Jahidul. "Attenuation of Nitrate from Simulated Agricultural Wastewater Using an Immobilized Anaerobic Biofilm." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26522.

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A number of methods are currently in use for attenuating nitrates from wastewater with varying degrees of efficiency. Bioremediation using bacteria may be an efficient and cost effective method. In an anaerobic bioremediation system, nitrate can replace carbon dioxide as an electron acceptor and aids in nitrate attenuation by assimilatory reduction. The purpose of this study was to investigate nitrate attenuation in a hyperfiltration system using a pure culture of strictly anaerobic, facultative Methanobrevibacter ruminantium bacteria. Filtration experiments were conducted using amalgamated Na

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2

Zhang, Zhenhua. "Plant growth and nutrient removal in simulated secondary-treated municipal wastewater in wetland microcosmos." University of Western Australia. School of Earth and Geographical Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0141.

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[Truncated abstract] The use of constructed wetlands for tertiary purification of municipal wastewater has received increasing attention around the world because direct discharge of secondary-treated municipal wastewater to water bodies has caused eutrophication. Plant species selection and vegetation management may enhance nutrient removal efficiency in constructed wetlands. However, there is a lack of knowledge on the relations between plant growth and nutrient removal efficiency in constructed wetlands. The objective of this study is to better understand how plant growth and resource alloca

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3

Rehman, Abdul. "Lagooning and bio-consortium optimisation for secondary level remediation of simulated sugar factory wastewater." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/14578/.

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Sugar factories are a significant source of water pollution, particularly in developing countries such as Pakistan, where the sugar industry is the second largest after tanneries. The wastewater is disposed of untreated to the environment, since traditional wastewater treatment processes are capital-intensive, energy-demanding and complex in operation. The common approach is to use waste stabilization ponds or lagoons mostly operated on complete retention basis. This work is an attempt to highlight the possibility of effectively applying wastewater lagooning process utilizing the inherent orga

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4

Van, der Merwe Hendrik Christoffel. "Chitosan membranes for the removal of zinc from simulated wastewater / Hendrik Christoffel van der Merwe." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1462.

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5

Dykstra, Christine M. "Fate of phytosterols in pulp and paper wastewater treated in a simulated aerated stabilization basin." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52209.

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Phytosterols are steroid chemicals produced by plants for the purposes of membrane function and hormone production. Phytosterols can cause endocrine disruption in aquatic species at very low concentrations and are suspected of contributing to endocrine disruption linked to pulp and paper effluent. Wastewater from the pulp and paper industry is often treated biologically in aerated stabilization basins (ASBs) that expose phytosterols to a range of redox zones. Phytosterol removal in ASBs varies and stigmasterol has even been shown to increase across the treatment system. Little is known about t

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6

Gilbert, Christopher Donald. "Non-Newtonian conversion of emulsion liquid membranes in the extraction of lead and zinc from simulated wastewater." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/10911.

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7

Afolabi, Wasiu Olalekan. "The effectiveness of vitis vinifera (grape) leaf litter to remove U.S. EPA priority phenols from simulated and industrial wastewaters." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/750.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Chemistry in the Faculty of Applied Sciences at the Cape Peninsula University of Technology<br>This study sought to prepare and characterise activated carbons from Vitis vinifera (grape) leaf litter, and assess the efficiency and potential application of the adsorbent for the removal of four phenolic compounds (phenol (P), 2-nitrophenol (2-NP), 4-nitrophenol (4-NP) and 2-chlorophenol (2-CP)) from synthetic and industrial wastewaters. Vitis vinifera (grape) leaf litter (GL) was obtained locally, and washe

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8

Gibbs, Shawn Glen. "Cross-Connections in Potable Water Distribution Systems: The Fate of Wastewater Microbes Introduced into a Distribution System Simulator." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1029349273.

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9

Čížová, Veronika. "Energetická optimalizace provozu ČOV." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-239970.

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The reduction in energy consumption is nowadays of increasing importance also within the field of waste water treatment. In combination with increasing requirements for the WWTP (waste water treatment plant) outlet quality, the energy optimization becomes very challenging for the plants operators. This thesis presents possible approaches to the energy optimization and summarizes technologies and measures, where some of them are in the research phase while others are already implemented successfully. In particular, the contribution of the activation tanks aeration process to the overall energy

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10

Wang, Hung-Chih, and 王鴻志. "Decontamination of Simulated Wastewater Containing Acetic Acid by Continuous Supercritical Water Oxidation." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/28653783493532462527.

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碩士<br>逢甲大學<br>環境工程與科學所<br>93<br>Supercritical water oxidation (SCWO) represents an innovative technology for its complete and efficient characteristic to the destruction of hazardous waste without generation of harmful by-products. Organic compounds and oxygen are completely soluble in water above its critical point of 374℃ and 218atm, which provides a single-phase medium for rapid oxidation of organic to CO2 and H2O with the destruction removing efficient (DRE) over 99% in a short residence time. In the past decade, Japan, America and Europe countries prompted research to develop the SCWO te

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11

"Fate and Biological Effects of Engineered Nanomaterials during Simulated Wastewater Treatment Processes." Master's thesis, 2012. http://hdl.handle.net/2286/R.I.14617.

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abstract: As engineered nanomaterials (NMs) become used in industry and commerce their loading to sewage will increase. However, the fate of widely used NMs in wastewater treatment plants (WWTPs) remains poorly understood. In this research, sequencing batch reactors (SBRs) were operated with hydraulic (HRT) and sludge (SRT) retention times representative of full-scale biological WWTPs for several weeks. NM loadings at the higher range of expected environmental concentrations were selected. To achieve the pseudo-equilibrium state concentration of NMs in biomass, SBR experiments needed to operat

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12

chuang, hwei-lin, and 莊慧伶. "A Study on Dissolved Air Flotation (DAF) of Copper(II) Ion From Simulated Wastewater." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/03649518682015049312.

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13

Lee, Cheng Hsien, and 李政憲. "REMOVAL OF COBALT NUCLIDES FROM SIMULATED NUCLEAR LIQUID WASTEWATER USING HEMATITE MODIFIED ULTRAFILTRATION MEMBRANES." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/68831626247892259856.

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碩士<br>國立清華大學<br>核子工程與科學研究所<br>104<br>Ultrafiltration membrane can’t filtrate particles of ion level, but after modification it can reach the ability of rejection as high as the nanofiltration membrane. In view of the research publish by others I know there are three kind of effect will occur and had action to the ion in the solution when modifying membrane in different situation, respectively absorption, attractive force and repulsion. I use membrane modified in different pH and use different pH solution which has Co2+ to conduct our experiments by realizing the permeate flux and rejection. La

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14

Torano, Aniela Zarzar. "Chemical Modifications of Hollow Silica Microspheres for the Removal of Organic Pollutants in Simulated Wastewater." Thesis, 2017. http://hdl.handle.net/10754/623473.

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Aqueous industrial effluents containing organic pollutants, such as textile dyes and crude oil, represent environmental and human health concerns due to their toxicity and possible carcinogenic effects. Adsorption is the most promising wastewater treatment method due to its efficiency, ease of operation, and low cost. However, currently used adsorbents have either high regeneration costs or low adsorption capacities. In this work, new organic/inorganic hybrids based on hollow silica microspheres were successfully synthesized, and their ability to remove Methylene Blue from wastewater and crude

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15

Tseng, Yu-Hui, and 曾玉惠. "The Study of Simulated Domestic wastewater treatment Using A Membrane Bioreactor:The effect of Nitrogen Concentrations." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/64e65v.

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碩士<br>國立中興大學<br>環境工程學系所<br>101<br>The Membrane Bioreactor (MBR) is a combination of Activated Sludge Process and physical filtration process. The membranes can substitute for secondary sedimentation to solid-liquid separation, and can improve MBR sludge concentration and microbial activity. MBR can also operate at longer sludge retention time that is advantageous for nitrification. MBR technique can be applied in the treatment of domestic wastewater, industrial wastewater, semiconductor industry wastewater, and now has become an attractive and competitive choice. In this study, the PVDF memb

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16

Lin, Pei-Yu, and 林珮瑜. "The Study of Simulated Food Processing wastewater treatment Using A Membrane Bioreactor：The effect of Nitrogen Concentrations." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/s9qygd.

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碩士<br>國立中興大學<br>環境工程學系所<br>101<br>Traditionally, the activated sludge system can be used to treat high nitrogen-containing wastewater, such as food processing wastewater. However, nitrifier is not the dominant species in an activated sludge system. In this study, a MBR (Membrane Bioreactor) was employed to treat high nitrogen-containing simulated food processing wastewater, because MBR demonstrated some important advantages, such as high MLSS, high SRT, better sludge separation, high volumetric loading, and low F/M, that could overcome the disadvantage of using activated sludge to have nitrifi

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17

LO, Fang-Ting, and 羅芳婷. "The Study of Simulated Domestic wastewater treatment Using A Membrane Bioreactor : The effect of BOD and COD Concentrations." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/5ckk73.

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碩士<br>國立中興大學<br>環境工程學系所<br>101<br>In Taiwan, domestic wastewater is usually treated with activated Sludge processes. MBR, however, is a promising alternative wastewater treatment process for the advantages of lower land usage and better pollutants removal efficiency. This study focused on the application of MBR treating simulated domestic wastewater.MBR system was operated with a continuous aeration module. The HRT of MBR system was controlled at 48 hours. The simulated wastewater containing BOD of 195 mg/L was continuously fed into the MBR aeration lank at 300 L/day. The F/M ratios for BOD an

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18

Chauque, Eutilério Felizardo Crisino. "Monitoring of physico-chemical parameters and the behaviour of zinc oxide nanoparticles in a simulated wastewater treatment plant." Thesis, 2014. http://hdl.handle.net/10210/11321.

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M.Sc. (Chemistry)<br>In this study the stability as well as the fate and behavior of ZnO engineered nanoparticles (ENPs) in municipal wastewater systems were investigated. The first part of the study examined the influence of pH and ionic strength on the stability of ZnO ENPs in domestic wastewater to elucidate the dynamic changes on the ENPs physicochemical characteristics (e.g. aggregation or dissolution). The ZnO ENPs obtained commercially were characterized using transmission electron microscopy (TEM), X-ray diffraction spectroscopy (XRD), dynamic light scattering (DLS), BET surface area d

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19

Liang, Shih-Min, and 梁世旻. "The Study of Simulated Food Processing wastewater treatment Using A Membrane Bioreactor: The effect of BOD and COD Concentrations." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/ekkwpv.

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碩士<br>國立中興大學<br>環境工程學系所<br>101<br>This study used Membrane Bioreactor (MBR) to treat the simulated food processing wastewater. The influent and effluent of MBR tank were collected for BOD, COD, and SS analysis. This study used submerged MBR (SMBR) system equipped with PVDF membrane at pore size of 0.03 μm. The glutamic acid and sucrose were used as influent substrate to simulate the soluble organic pollutants in the food processing wastewater. The MBR system was operated at HRT of 48-hours, that was higher then the HRT of a traditional activated sludge system. The effluent of MBR tank was samp

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20

Chen, Chun-Hung, and 陳俊宏. "Online monitoring of cake layer thickness variation in submerged membrane modules for the simulated wastewater using photo-interrupt sensors." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/82974992703243268992.

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碩士<br>中原大學<br>化學工程研究所<br>100<br>The cake formation in submerged membrane modules was investigated using an in-situ optical device. However, the fouling behavior depends on wastewater components. Purposes of this research were emphasized on the effects of simulated wastewater concentrations (TiO2 and humic acid), permeate rate and aeration on the growth of fouling cake layer thickness for using photo-interrupt sensors. In order to verify the validity of this method, the effect of membrane material (PVDF and PTFE), voltage (10-12 V) and humic acid concentration (0-15 ppm) on sensor signal were e

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21

Obidike, Lawrence Ikechukwu. "Behaviour of selected anti-retrovirals’ active pharmaceutical ingredients and the assessment of their bacterial viability in a simulated wastewater treatment plant." Thesis, 2020. https://hdl.handle.net/10539/30080.

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A thesis submitted to School of Chemical and Metallurgical Engineering, Faculty of Engineering and the Built Environment, University of the Witwatersrand, 2020<br>The release of micropollutants into the environment via wastewater treatment plants (WWTP) is one of the issues which has long been considered a major source of environmental contamination due to the ineffectiveness of WWTPs in eliminating them. In these releases, a wide range of compounds is measured in trace amounts (ng/L to μg/L) such as pharmaceutical residues and hormones (PPHs), pesticides, phthalates, artificial sweeteners, ch

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22

Chen, Ming-Yin, and 陳明茵. "Rice-Husk-Derived Silica Catalyst Modified with Copper Containing Wastewater for Control of Hg0 and NO from Simulated Coal-Combustion Flue Gases." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ysqjnk.

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碩士<br>國立臺灣大學<br>環境工程學研究所<br>105<br>Air pollution is receiving more and more public concern in recent years. Since coal-fired power plants (CFPPs) is one of the major stationary sources, the air pollutants emitted from CFPPs have attracted many attentions. Mercury (Hg) and NOx emitted from CFPPs have both received special concern owing to the high toxicity and long retention time in the environment of Hg and the formation of acid rain, photocatalytic smog, and secondary PM2.5 from NOx. In this study, a series of CuOx-CeOx/SiO2 catalysts were prepared via rice-husk-derived silica modified with c

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23

Lamprea, Cala Andres. "Investigation of the Effect of Operational Parameters on the Fouling Development and Control in an Algal Membrane Photobioreactor for the Treatment of Simulated Secondary Wastewater." Thesis, 2018. http://hdl.handle.net/10754/628049.

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The release of water effluents rich in nutrients such as nitrogen and phosphorus without adequate treatment represents environmental and human health concerns. Growing concerns about these impacts have resulted in increasingly stringent water quality regulations that encouraged the adoption of advanced treatment processes. Microalgae-based advanced wastewater treatment has gained momentum owing to its well-known advantages for advanced wastewater treatment, including the recovering of nutrients for the production of fertilizers, biofuels and fine chemical from microalgal biomass. Nevertheless,

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24

Jian-Jung, Liou, and 劉建忠. "REMOVAL OF HEAVY METALS IN SIMULATE ELECTROPLATING INDUSTRIAL WASTEWATER BY CHEMICAL COAGULATION." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/56453124207077869109.

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碩士<br>大同工學院<br>化學工程研究所<br>86<br>Electroplating industry is a branch of metal surface treatment industry, which can improve the surface luster and erosion resistance of electroplate to increase its value. But the wastewater discharge from electroplating process usually contains a large quantity of toxic heavy metals such as Cu, Cr, Pb, Fe, Ni, Zn, etc. If we discharge the wastewater without proper treatment, these heavy metals will do damage to the natural environment and pollute the drinking water source and endanger our health. The heavy metals in electroplating industrial wastewater can be r

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25

Musser, Jonathan. "Integration of Ozone and Ultrasound Activated Sludge Pre-Treatments into a Wastewater Treatment Whole-Plant Simulator." Thesis, 2010. http://hdl.handle.net/10012/4948.

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Modern wastewater treatment provides great benefit to society by reducing the transmission of disease. In recent years computer simulation of whole plants has allowed for improved design and more economical consideration of alternatives. One new alternative for wastewater treatment is the pre-treatment of sludges, although this technology has not yet been adapted for computer simulation. This thesis describes research which was conducted to describe pre-treatments in terms appropriate for whole-plant computer models. Pre-treatment shows promise in terms of reducing sludge, a waste product the

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