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Dissertations / Theses on the topic 'Plant biomass waste'

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1

Kolokolova, Olga. "Biomass Pyrolysis and Optimisation for Bio-bitumen." Thesis, University of Canterbury. Chemical and Process Engineering, 2013. http://hdl.handle.net/10092/8822.

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Biomass waste has been recognised as a promising, renewable source for future transport fuels. With 1.7 million hectares of pine plantation forests and 12 million cubic meters of annual residue produced by sawmills and the pulp and paper industries, New Zealand presents a prime location where utilisation of these resources can take the next step towards creating a more environmentally friendly future. In this research, the process of fast pyrolysis was investigated using a laboratoryscale, nitrogen-blown fluidised bed pyrolyser at CRL Energy. This equipment can process 1–1.5 kg/h of woody biom
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2

Serrano, Diego Machado Carrion. "Avaliação do potencial de produção e exportação de pellets combustivelno polo florestal da região Sul do Brasil." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263794.

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Orientador: Arnaldo Cesar da Silva Walter<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-14T20:09:17Z (GMT). No. of bitstreams: 1 Serrano_DiegoMachadoCarrion_M.pdf: 3723453 bytes, checksum: 7b7e13e42962bface6ba8a38c221ba08 (MD5) Previous issue date: 2009<br>Resumo: O pellets é um bioenergético de uso relativamente difundido em países desenvolvidos de clima temperado, tendo sido nos últimos anos empregado de forma crescente como fonte de energia em aquecimento residencial e na geração de energia elétrica e
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3

Al, Hamrani Emad, and Nils Grönberg. "Sustainable flue-gas quench : For waste incineration plants within a water-energy-environment nexus perspective." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-36707.

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The function of a flue-gas quench is to remove additional contaminants from flue-gas and to reduce the wastewater from a waste incineration plant. The aim of this degree project is to find how the system is affected by using a quench and what factors limits the performance. This is done by modelling and simulating a waste incineration plant in Aspen Plus. Data and plant schematics were obtained by a study visit to Mälarenergi Plant 6 situated in Västerås, Sweden, which were used as model input and for model validation. The results have shown that the amount of wastewater can be reduced by more
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Alipour, Yousef. "High temperature corrosion in a biomass-fired power boiler : Reducing furnace wall corrosion in a waste wood-fired power plant with advanced steam data." Licentiate thesis, KTH, Yt- och korrosionsvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-121155.

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The use of waste (or recycled) wood as a fuel in heat and power stations is becoming more widespread in Sweden (and Europe), because it is CO2 neutral with a lower cost than forest fuel. However, it is a heterogeneous fuel with a high amount of chlorine, alkali and heavy metals which causes more corrosion than fossil fuels or forest fuel. A part of the boiler which is subjected to a high corrosion risk is the furnace wall (or waterwall) which is formed of tubes welded together. Waterwalls are made of ferritic low-alloyed steels, due to their low price, low stress corrosion cracking risk, high
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5

Zemanová, Kateřina. "Možnosti zpracování kalu z výroby papíru a celulózy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228159.

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The contens of diploma thesis is description of paper and pulp production and analysis of contemporary problems with disposal of sludges rising on industrial waste water treatment plant. Accent is focuses on description of waste water treatment technique, characteristics of rising sludge and the ways of his liquidation in particular plant for pulp production. Fundamental part of this project is evaluation of power and economics balance of current sludge technology in company Biocel Paskov a.s. and suggested sludge management technology. Balances are based on data gained from measurement in lab
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6

MAZZARI, ALESSANDRO. "LA VALORIZZAZIONE ENERGETICA DELLA BIOMASSA RESIDUALE IN IMPIANTI DI PICCOLA TAGLIA: SVILUPPO DI UN PROTOTIPO INNOVATIVO DI GASSIFICATORE." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3423706.

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To prevent the most severe impacts of climate change the European Union has set itself targets for reducing greenhouse gas emissions produced by human activities. The mission is to transform Europe into a highly energy-efficient, low carbon economy, by reducing emissions from the main sectors (power generation, industry, transport, buildings and construction, as well as agriculture) in the order of 40% by 2030 and 60% by 2040. Energy production from renewable sources is one of the main pillars in the European ("Europe 2020", the new climate-energy package for 2030 and "Energy Roadmap 2050"),
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7

Valentis, Georgios. "Epuration par cultures fixées sur support géotextile." Marne-la-vallée, ENPC, 1988. http://www.theses.fr/1988ENPCA009.

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Les travaux présentés relatent la mise au point d’un procédé d’épuration aérobie en lit immergé par bactéries fixées sur support géotextile. Ce matériau facilite la réalisation et l’exploitation des installations par rapport aux lits immergés granulaires. La bibliographie et les expériences préliminaires menées sur différents géotextiles démontrent que les critères de choix pour les matériaux de fixation sont indissociables de leur mise en œuvre. Pour la suite de cette étude le géotextile ENKAMAT et utilisé. La colonisation du support sélectionné est réalisée dans un pilote industriel à l’inté
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8

ORSINI, ROSELY dos R. "Estudo do aproveitamento do resíduo da lavoura cafeeira como fonte de biomassa na produção de hidrogênio." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10145.

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Made available in DSpace on 2014-10-09T12:35:15Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:42Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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9

GORI, MANUELA. "Characterization and treatment options of residues from waste-to-energy plants." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1255.

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Le bottom ash (BA) rappresentano il residuo solido prodotto in maggior quantità dagli impianti di trattamento termico dei rifiuti. Molti paesi europei consentono il riutilizzo di questi materiali nell’industria dei materiali da costruzione, in quella siderurgica e nel settore di sottofondi stradali. A causa del rischio legato al possibile rilascio di specie contaminanti, le scorie possono porre problemi una volta reimmesse nell’ambiente. Tali materiali, pertanto, prima di essere posti in discarica o proposti per un eventuale recupero, possono necessitare di un idoneo pretrattamento. I trattam
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10

VIEIRA, LUDMILA C. "Aplicação de macrófitas como biossorventes no tratamento de rejeitos radioativos líquidos." reponame:Repositório Institucional do IPEN, 2016. http://repositorio.ipen.br:8080/xmlui/handle/123456789/26939.

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Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2016-12-22T11:28:11Z No. of bitstreams: 0<br>Made available in DSpace on 2016-12-22T11:28:11Z (GMT). No. of bitstreams: 0<br>O rejeito radioativo como qualquer outro tipo de resíduo, precisa receber tratamento adequado. É necessário considerar suas características físico-químicas e radiológicas para a escolha da ação apropriada para o tratamento e a deposição final do rejeito. Muitas técnicas de tratamento utilizadas hoje são economicamente dispendiosas, inviabilizando muitas vezes o seu uso e impulsionando o estudo de outras
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11

Moulin, Lionel. "Transferts de masse parietaux dans un ecoulement turbulent a surface libre : application a un processus d'auto-epuration par biomasse fixee dans une galerie d'evacuation d'effluents de stations d'epuration." Paris 7, 1987. http://www.theses.fr/1987PA077039.

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Proposition d'un modele et d'un code de calcul pour suivre l'evolution longitudinale de la concentration en matiere organique dissoute dans une galerie d'evacuation au rhone des effluents des stations d'epuration de chambery et d'aix-les bains, la pollution organique etant consommee par un film biologique fixe sur les parois du canal
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12

YEN, PEI-JU, and 顏. 珮. 如. "Biomass Waste Biogas Generation Plant Feasibility Assessment : a case study of Yunlin County." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/75224208754337010278.

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碩士<br>國立臺灣大學<br>環境工程學研究所<br>102<br>Yulin is the prominence of developing animal husbandry of Taiwan. And pig farming provides most of Yulin County’s agricultural income. But the waste water of pig farming not only causes the soil and water contamination and has serious influences of local citizens’ life. The topic of this thesis is to make a research of biodegradable waste reuse. By transforming swine manure into biomass energy, the pollution can be solved. To assess the project of biogas electricity generation, we can get the best result which is both good for our economy and environment. Thi
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13

Parillo, Rita. "Chestnut green waste "in situ" composting for sustainable forest management: biomass composting monitoring, microbiota dynamics, and plant defence induction." Tesi di dottorato, 2015. http://www.fedoa.unina.it/10377/1/parillo_rita_27.pdf.

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Abstract The product of the chestnut wood cleaning was placed in aerated static piles, composed directly in the wood and consisting of fresh shoots, chipboard, mowing the undergrowth and leaves and curly dry. The composting process and mature compost was sampled and characterized for physic-chemical parameters and microbiological composition. The present doctorate thesis enlightens the composting process of biomass from chestnut woods handling. Physical, chemical parameters and their interaction with biological aspects were examined. Bacterial and fungal populations were detected and charac
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14

Carlin, Nicholas T. "Optimum usage and economic feasibility of animal manure-based biomass in combustion systems." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-05-759.

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Manure-based biomass (MBB) has the potential to be a source of green energy at large coal-fired power plants and on smaller-scale combustion systems at or near confined animal feeding operations. Although MBB is a low quality fuel with an inferior heat value compared to coal and other fossil fuels, the concentration of it at large animal feeding operations can make it a viable source of fuel. Mathematical models were developed to portray the economics of co-firing and reburning coal with MBB. A base case run of the co-fire model in which a 95:5 blend of coal to low-ash MBB was burned at an exi
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15

Penniall, Chris. "Feasibility study into the potential for gasification plant in the New Zealand wood processing industry : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering in Chemical and Process Engineering, University of Canterbury /." 2008. http://hdl.handle.net/10092/2159.

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16

Van, Zuydam Jason Peter. "Development of a bioreactor system using a pine bark matrix for the removal of metal ions from synthetic aqueous solutions." Thesis, 2013. http://hdl.handle.net/10413/9912.

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Many industries use, or produce, metal-containing solutions which must be treated for reuse or discharge to sewer. One such treatment is biological and both living and dead materials have been investigated for the abstraction of metal ions from solution. Studies on systems containing only a single biosorbent are well documented, and mostly involve optimisation of biosorption capacities and metal uptake rates through modification of Biological Support Particle (BSP) size and surface characteristics. Literature on dual biosorbent studies is sparse. The commercial application of biosorption techn
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17

Chakravarty, M. N. "Techno economic evaluation of steam based power plants fuelled by biomass waste and solar thermal energy." Thesis, 2004. http://localhost:8080/xmlui/handle/12345678/6127.

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18

Michael, Okoro Nnanna-jnr. "Biomass waste to energy: investigating syngas production from pyro-gasification of sawdust blends of invasive alien plants and tropical tree species." Thesis, 2020. https://hdl.handle.net/10539/31289.

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A thesis submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in fulfilment of the requirement for the degree of Doctor of Philosophy in Engineering, 2020<br>Conventional biomass gasification is associated with technical issues which limit its scale-up to full commercialization. These issues include but are not limited to high tar composition in the syngas produced, low syngas yield, and expensive and inefficient tar cleaning procedures. Biomass pyro-gasification can be defined as a hybrid or multi-stage integration of pyrolysis and gasific
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19

Peterseim, JHM. "Enabling concentrating solar power in Australia : an investigation of the benefits and potential role of concentrating solar power and non-conventional fuel hybrid plants in Australia's transition to a low-carbon energy future." Thesis, 2014. http://hdl.handle.net/10453/30341.

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University of Technology, Sydney. Institute for Sustainable Futures.<br>After decades of stability the Australian electricity market is undergoing changes. Current government targets aim to reduce greenhouse gas emissions by 5% and raise renewable electricity production to 45 TWh by 2020. In addition, increases to natural gas prices, aging generation assets and falling electricity demand have had an impact in recent years. Uncertainties exist around current policies, including the carbon pricing mechanism and the renewable energy target, but in light of Australian and international ambitions
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