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Dissertations / Theses on the topic 'Fertilizer treatment'

Author: Grafiati

Published: 5 June 2025

Last updated: 15 July 2025

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1

Fortuin, Jordache. "Desktop study on Novel Treatment techniques to treat industrial fertilizer effluent." Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29878.

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Fertilizer production is a massive global industry with the global consumption of the three main fertilizer nutrients, nitrogen, phosphate and potassium estimated at 187 million tonnes in 2016 with an anticipated annual growth of approximately 2% for the foreseeable future. In 2016 the global fertilizer market was estimated to have an overall market value of 141 billion US dollars. Fertilizer production produces significant liquid waste as process water used for the various separations, cleaning, emulsifying and dilution processes absorbs various nutrients and contaminants from these productio

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2

Katugampalage, Lalith Gamini Perera Usanee Uyasatian. "Utilization of sludge from Biyagama common wastewater treatment plant as fertilizer and soil conditioner in Sri Lanka /." Abstract, 2007. http://mulinet3.li.mahidol.ac.th/thesis/2550/cd399/4837460.pdf.

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Mlambo, Patricia Zanele. "Exploring the fertiliser potential of biosolids from algae integrated wastewater treatment systems." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013342.

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High rate algae oxidation ponds (HRAOP) for domestic wastewater treatment generate biosolids that are predominantly microalgae. Consequently, HRAOP biosolids are enriched with minerals, amino acids, nutrients and possibly contain plant growth regulator (PGR)-like substances, which makes HRAOP biosolids attractive as fertiliser or PGR. This study investigated HRAOP biosolids as a starting material for a natural, cost-effective and readily-available eco-friendly organic fertiliser and/or PGRs. Various HRAOP extract formulations were prepared and their effect on plant growth and development was e

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Nordin, Andreas. "Heavy metal removal from sewage sludge by pyrolysis treatment." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-8807.

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Sewage sludge is the product from wastewater treatment that mostly is considered as a waste material. However, it contains several nutrients, especially phosphorus, potassium and nitrogen which are excellent fertilizers. The downside is the harmful content it also carries with pathogens, heavy metals and a variety of organic pollutants that in many cases have unknown effects on the ecosystem. A possible solution to this problem could be to pyrolyse the sewage sludge and by that decrease the levels of heavy metals and also render both pathogens and organic pollutants harmless. In this thesis pr

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5

Wong, Joseph. "Environmental, health and handling impacts of using chemical assisted sedimentation on land application of sludge from Cronulla Sewage Treatment Plant." Thesis, The University of Sydney, 1997. https://hdl.handle.net/2123/27560.

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Quality and handling costs are considerations for agricultural usage of sewage sludge. These considerations were studied in three parts when CAS was trialled at Cronulla STP: (1) for its effect on the raw sludge in (a) the % total and volatile solids, (b) production volume variants, (c) the variants in the levels of Al, As, Bo, Ca, Cd, Cr, Co, Cu, Fe, Hg, K, Mg, Mo, Mn, Na, Ni, P, Pb, Se and Zn. Groups (a), (b) and (c) were measured by dried and ashed weights, sludge hydraulic volumes, ICP—AES and ICP—MS assays, respectively. The quality control of the measurements for groups (a) and

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6

Guaya, Caraguay Diana Elizabeth. "Evaluation of phosphate and ammonium removal and valorization from urban waste waters by impregnated metal hydrated oxides inorganic natural zeolites." Doctoral thesis, Universitat Politècnica de Catalunya, 2017. http://hdl.handle.net/10803/461091.

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Phosphate and ammonium removal from waste water by adsorption using inorganic natural sorbents has been identified as a promising technology. The advantages of this methodology are associated with its availability and effective low cost. Some natural and synthetic zeolite materials have been used for the individual phosphate and ammonium removal from aqueous solutions. The zeolites revealed high affinity for ammonium removal. However, some modifications stages are indispensable to enhance their oxyanionic sorption capacity to achieve high phosphate removal ratios. So, it is highly desirable t

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7

Aguiar, Rosa Helena 1952. "Utilização de esgotos tratados em reatores anaeróbios no cultivo de girassol." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256777.

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Orientadores: Durval Rodrigues de Paula Junior, Sylvio Luis Honório<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-23T17:03:06Z (GMT). No. of bitstreams: 1 Aguiar_RosaHelena_D.pdf: 2411611 bytes, checksum: cc0a7bb404d742457c915d8126132bf5 (MD5) Previous issue date: 2013<br>Resumo: O saneamento além de ser importante para a preservação dos recursos naturais representa uma ação preventiva eficaz para a melhoria do bem estar e da qualidade de vida da população nas questões relacionadas à saúde pública. A prática d

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8

Costa, Antonio Marcos Tubiana de. "Codigestão anaeróbia de resíduos bovinos e suínos: caracterização química e produção de biofertilizante para uso em cultura de milho." Universidade Tecnológica Federal do Paraná, 2014. http://repositorio.utfpr.edu.br/jspui/handle/1/1116.

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Ao abordar o tema contaminação ambiental, logo se recorda a quantidade de resíduos domésticos e urbanos, que são gerados nas cidades e metrópoles, os quais muitas vezes não recebem nenhum tipo de tratamento. Porém, problemas de contaminação ambiental também estão vinculados à agricultura, onde são gerados resíduos orgânicos com elevados potenciais poluidores. Dessa forma, o projeto objetivou estudar o processo de codigestão anaeróbia de dejetos bovinos e suínos oriundos de sistemas de produção de suínos e atividade pecuária leiteira, como alternativa para tratamento destes tipos de matrizes, a

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9

Adler, Anneli. "Accumulation of elements in Salix and other species used in vegetation filters with focus on wood fuel quality /." Uppsala : Dept. of Crop Production Ecology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200706.pdf.

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10

Pettersson, Hanna, and Elin Törnvall. "Efterbehandling av biogödsel : Ett försök med avskiljning och uppsamling av kväve och vatten genom ammoniakstripping i en efterhygieniseringsprocess." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-38018.

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During this master thesis, the possibility of ammonia removal from digestate in combination with after hygienization has been investigated. The aim of the work was to see how much ammonia that could be removed but also the properties of other process parameters such as TS/VS content, pH and alkalinity of the digestate. It was also of interest to study the energy balances for a process that combines ammonia stripping with after hygienization. The purpose of hygienization in a biogas plant is to kill pathogens. To study ammonia stripping combined with after hygienization, a prototype of an ammon

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11

Adogla-Bessa, Tsatsu. "Enzyme treatment of whole-crop wheat silage." Thesis, University of Reading, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278039.

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12

Owen, Gordon Thomas. "Energy analysis of various tillage and fertilizer treatments on corn silage production." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63267.

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13

Oebker, N. F., W. T. Molin, and R. Gibson. "Effect of Methanol Treatments on Chile Pepper and Seedless Watermelon Production in Central Arizona, 1993." College of Agriculture, University of Arizona (Tucson, AZ), 1994. http://hdl.handle.net/10150/214716.

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14

Peters, Curtis Lee 1958. "SURFACE RESPONSE OF ONIONS TO CULTURAL TREATMENTS." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/276358.

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15

Trenholm, Leif. "Effects of water table depths and fertilizer treatments on yield and quality of tomatoes." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22818.

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A field lysimeter experiment was conducted during 1993 and 1994 using 4 water table depths (WTD) (0.3, 0.6, 0.8, and 1.0 m), 13 treatment levels of calcium (0, 1500, and 2500 kg/ha) and potassium (0, 160, and 400 kg/ha), to determine their effects on tomato quality and yield. Plant parameters measured included: yield (fruit/plant), fruit height, maximum and minimum equatorial width, degree of catfacing (scale of 1 to 5), and sunscald (scale of 0 to 2).<br>Water table treatment was usually highly significant for the parameters measured at harvest. Largest height, equatorial width and yield of t

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Duffield, Simon John. "Spatial dynamics of invertebrate recovery in cereals following treatment with the insecticide dimethoate." Thesis, University of Southampton, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306256.

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17

Sherwood, R. P. "On-farm treatment of barley straw with urea to improve digestibility and intake by sheep." Thesis, University of Reading, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371458.

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18

Rademacher, Janet Hogan 1961. "GROWTH RESPONSE TO TWO JOJOBA (SIMMONDSIA CHINENSIS (LINK) SCHNEIDER) CLONES TO SIX PHOSPHORUS TREATMENTS." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/291248.

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19

Rance, Logan T. "Understanding Student Perceptions of Biosolids and Other Fertilizers in Central Ohio." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587657377716495.

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20

Shepherd, Jessica Grace. "Ochre and biochar : technologies for phosphorus capture and re-use." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28907.

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Despite recent instability in the global supply of phosphate-rock derived fertiliser and the potential for this to continue into the future, the recovery of phosphorus (P) from wastewater treatment systems, where P is abundant and accessible, is well below maximum potential. Considerable resource is spent on removing P from wastewater in order to comply with environmental standards and to protect aquatic ecosystems from eutrophication, yet there is little emphasis on capturing the P in a way that is optimised for re-using it as agricultural fertiliser. To address this lack of innovation in the

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21

Karunarathna, Mudugamuwe Hewawasam Jayan Savinda. "Photochemistry of iron(III) with carboxylate-containing polysaccharides for sustainable materials." Bowling Green State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1586468303760847.

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22

Hudson, Donna. "Analysis of the effects of treatments on non-linear models for nitrogen response curves, with implications for design." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360011.

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23

Elving, Josefine. "Pathogen inactivation and regrowth in organic waste during biological treatment /." SLU : Dept. of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, 2009. http://epsilon.slu.se/11652700.pdf.

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24

Orndorff, Zenah Wilson. "Phosphorus adsorption on sandy mine tailings : a comparison of treatments with fertilizers, wood ash, and compost /." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-08142009-040609/.

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25

Leon, Johanna-Louise, and Stephanie Gellberg. "Information om fertilitet och risk för infertilitet vid en cancerbehandling : En litteraturstudie om kvinnors upplevelse." Thesis, Högskolan i Halmstad, Akademin för hälsa och välfärd, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-42106.

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Bakgrund: Cancerbehandlingar kan medföra konsekvenser hos kvinnor så som skador på äggstocksvävnaden vilket kan leda till medicinsk infertilitet. Fertilitetskonservering är en metod för att bevara könsceller vid risk för infertilitet som bör erbjudas till kvinnor vid ett cancerbesked beroende på cancertyp, cancerbehandling och relationsstatus. Syfte: Litteraturstudiens syfte var att belysa kvinnors upplevelse av information om fertilitet och risk för infertilitet relaterat till sin cancerbehandling. Metod: Litteraturstudien genomfördes och grundades på åtta resultatartiklar, fem kvalitativa oc

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26

Elliot, Alexander Dean. "An investigation into the hydrothermal processing of coal fly ash to produce zeolite for controlled release fertiliser applications." Thesis, Curtin University, 2006. http://hdl.handle.net/20.500.11937/1698.

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During the year that concluded prior to the commencement of this PhD (2001) 11.7 million tonnes of fly ash was produced in Australia, of which only 32% was utilised is some way, near its conclusion, the latest statistics (2004), reveal that 12.5 million tonnes was produced with only 35% utilised in some way (ADAA 2006), with the remainder being accumulated in landfills and ash dams. This low level of ash utilisation in Australia is inevitable due to the combination of inherently high transport costs, and relatively low value products. This situation argues for more value-added utilisation of c

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L'Espérance, Audrey. "Fertilize-this: Framing Infertility in Quebec, Ontario and England Between 1990 and 2010." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24288.

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Infertility politics implies a role for the state in regulating the relationships between different parties involved in the medicalized process of reproduction, namely would-be-parents (infertile couples or individuals), gamete donors, surrogate mothers, fertility specialists, etc. Policies adopted by the Canadian federal government in 2004 as regards assisted reproductive technologies (ARTs) were largely inspired by British regulations. Despite this similar start, Canadian policies never lead to implementation; the province of Quebec rapidly contested the federal Assisted Human Reproduction A

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28

Pim, Vanderlei. "Caracterização de iodo de esgotos de lagoa anaeróbia acondicionado em bags visando a sua disposição : estudo de caso - ETE Pedregulho/SP." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257806.

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Orientadores: Edevar Luvizotto Junior, Bruno Coraucci Filho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo<br>Made available in DSpace on 2018-08-21T12:01:23Z (GMT). No. of bitstreams: 1 Pim_Vanderlei_M.pdf: 7573689 bytes, checksum: d7840f9ac209c660c1efa3ccb0efc04f (MD5) Previous issue date: 2012<br>Resumo: As preocupações com o adequado destino dos lodos de esgotos fizeram da reciclagem uma alternativa de grande perspectiva de evolução no Brasil. O presente estudo visa avaliar o lodo da lagoa anaeróbia da ETE Pedregulho/

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Francisco, Eros Artur Bohac. "Fosfatos aluminosos do grupo da crandallita como fonte alternativa de fósforo para a cultura do arroz." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-20092006-171830/.

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O fósforo (P) tem sido um dos fatores mais limitantes da produção agrícola em solos de exploração recente, bem como nos solos há tempo utilizados e cuja fertilidade não é mantida. Tradicionalmente, o uso de fontes de P de elevada solubilidade tem auxiliado no aumento da fertilidade desses solos proporcionando acréscimos na produtividade das culturas. No entanto, o processo de fabricação desses fertilizantes requer o uso de rochas fosfáticas com baixa quantidade de impurezas metálicas como ferro e alumínio. Essa exigência tem levado as indústrias a descartarem quantidades elevadas de resíduo fo

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30

Chen, Wen-pin, and 陳文彬. "The development of a rapid organic fertilizer apparatus for poultry''s excrement treatment process." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/39230880269504577948.

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碩士<br>國立高雄第一科技大學<br>機械與自動化工程研究所<br>100<br>The excrement treatment is a deficient process of livestock automation. In this study we newly design and fabricate a rapid composting equipment of organic fertilizer for poultry''s excrement treatment. The price of import compost equipment is very expensive, and the maintenance is also problematic. The proposed design improves the above-mentioned problems. This equipment can deal with excrement amount of 120,000 chickens and finish fermenting on the same day. It also solves the problems of flies, stench, pollution of water, piling up the are

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31

Cooke, IB. "Pasture as a treatment system for high rate application of effluent." Thesis, 1985. https://eprints.utas.edu.au/18888/1/whole_CookeIanBrian1986_thesis.pdf.

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The basic aim of this project was to study the effectiveness of pasture as an aerobic treatment system for high rate piggery effluent application. Two management systems were compared. The first was year round applicaLion of effluent and the second employed separation of the effluent into particulate matter and supernatant then application of the sludge to pasture and storage of the supernatant during those months where the pasture cannot accept extra hydraulic loading. The stored supernatant was applied to pasture during the summer months when the soil water levels were low. Separat

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32

Vertonha, Maria Thais. "Valorization of leached waters through conversion in liquid fertilizers." Master's thesis, 2018. http://hdl.handle.net/10198/21034.

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Dupla diplomação com a UTFPR - Universidade Tecnológica Federal do Paraná<br>An unprecedented demographic explosion occurred in the last decades at a global level. The negative impacts of this event stand out, affecting the social, economic and mainly environmental spheres. In the environmental aspect, an important consequence is the growing production of solid wastes, due partially to the population increase. However, the development of effective technologies for the treatment of these wastes did not accompany such growth, and currently the most used method for this is landfill disposal. Even

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33

Adadzi, Patrick Cudjoe. "Deep row trenching of pit latrine and waste water treatment works sludge : water and nutrient fluxes in forest plantations." Thesis, 2012. http://hdl.handle.net/10413/10034.

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The deep row trenching of ventilated improved pit-latrine (VIP) and waste water treatment works (WWTW) sludge is a unique alternative cost effective land application method that will prevent odour and health problems and may permit higher application rates than surface application. The goal of this research is to assess the environmental consequences of employing deep row incorporation of VIP and WWTW sludge to forest plantation lands for the production of Eucalyptus dunnii. The objectives are to monitor, define and quantify the fluxes of nutrients (nitrate and phosphorus) from the buried slud

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Sibiko, Kenneth Waluse. "Economics of Weather Index-Based Insurance: Analysis of Smallholder Farmers' Preferences and the Impact of Insurance on Productivity in Kenya." Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-002B-7CC0-2.

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35

Sousa, Catarina Viegas de. "BIOREMEDIATION OF AGRO-INDUSTRIAL EFFLUENTS MEDIATED BY MICROALGAE." Doctoral thesis, 2022. http://hdl.handle.net/10362/134504.

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Every year, large amounts of agro-industrial effluents are produced all over the world and its sustainable management is still a technological challenge. This thesis addresses the remediation of four agro-industrial effluents (aquaculture, cattle, swine, and poultry) and an industrial effluent (landfill leachate) by treatment with biomass ash and microalgae. The pre-treatment with biomass ash allowed the partial precipitation of total solids, reduction of the turbidity and microbial load of the effluents, resulting in a partially treated effluent and a precipitate rich in mineral and organic c

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36

"Bioestimulant and fertilizers associated at the treatment corn and soybean seeds." Tese, BIBLIOTECA CENTRAL DA UFLA, 2006. http://bibtede.ufla.br/tede//tde_busca/arquivo.php?codArquivo=219.

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37

Chen-Yue and 陳玥. "Heavy metals uptake of paddy rice on serpentine soils with different fertilizer treatments." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/12162590572668287305.

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碩士<br>國立屏東科技大學<br>環境工程與科學系所<br>101<br>Serpentinitic soils are high in Cr and Ni which may have the potential risk to crop growth and eco-environment, and groundwater contamination. This study used 2 serpentinitic soil samples (WR and TA) from eastern Taiwan to cultivate paddy rice by pot experiment amended with different fertilizer treatments in the open field. All treatments included control (blank), 120-60-60 kg/ha (NH4)2SO4 1.47 g, CaHPO4 0.17 g, and KCl 0.14 g per pot), 120-90-60 kg/ha ((NH4)2SO4 1.47 g, CaHPO4 0.26 g, KCl 0.14 g per pot), and 120-120-60 kg/ha ((NH4)2SO4 1.47 g, CaHPO4 0.3

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Jing-Han, Wu, and 吳景翰. "Soluble heavy metal and rice uptake from a serpentine soil with different fertilizer treatments." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/21455469282064113522.

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碩士<br>國立屏東科技大學<br>環境工程與科學系所<br>97<br>Serpentinitic soils are concentrated in the eastern areas of Taiwan, which are rich in heavy metal such as Cr, Ni, and Co with potential risk to crop growth and the eco-environment. This study used a serpentinitic Vertisol for the pot experiment by paddy rice (Kaohsiung No. 45) amended with different fertilizer treatments in the open field. All treatments were: unfertilized control (Blank), full recommended dose of chemical fertilizer (CF), half recommended dose of chemical fertilizer + 2.5 ton ha-1 oilseed compost (1/2 CF + 2.5 OC), 5.0 ton ha-1 oilseed co

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Hsu, Chih-Cheng, and 許志誠. "The Nitrogen Balance of Different Fertilizer Treatments in a Long-Term Corn-Rice Rotation Soil System for Six Years." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/07097180091890058682.

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碩士<br>國立臺灣大學<br>農業化學研究所<br>92<br>Corn and rice plants are commonly for staple food production .To supply optimum amount of effective nitrogen through fertilizer during the growth period of the crop plants is very important. This study deal with an field experiment of sixth year of a long-term corn-rice rotation, which aimed at studing the nitrogen blance of differently fertilized treatment in corn-rice rotation. The field experiment was carried out at the Taiwan Agriculture Research Institute. The spring crop was rice plant and the autumn crop was corn plant. The application rates of fertiliz

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vanAkker, Lara. "The effects of fertilizer treatments on the resin canal defenses of spruce and incidence of attack by the white pine weevil, Pissodes strobi." Thesis, 2002. http://hdl.handle.net/2429/13331.

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The white pine weevil, Pissodes strobi (Peck), is a serious pest of regenerating spruce (Picea spp.) in British Columbia. On the coast, damage by this weevil results in such severe stem defects and growth losses in Sitka spruce (Picea sitchensis), that planting this species is not currently recommended in high weevil hazard areas. In the interior of the province, hundreds of millions of interior spruce seedlings (Picea glauca x englemanii) are currently in weevil susceptible age classes. Past attempts to control this weevil have been unsuccessful. Current research is focused on identifyi

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(6623615), Jesse A. Haarmann. "The Effect of Herbicide Respray Treatments and Timings on Regrowth of Four Weed Species." Thesis, 2019.

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<p>Control of weeds that have survived a postemergence (POST) herbicide often need to be controlled in order to prevent seed production and interference with crops. The most efficacious herbicides and timings used for respray applications has not been determined in many problematic weed species. Previous research has demonstrated that weeds clipped to simulate a failed herbicide application responded differently to herbicide applications to regrowth based on herbicide used and weed species. Other research is conflicting as to the optimum timing of an herbicide respray application with various

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