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Dissertations / Theses on the topic 'Grease trap'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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1

Wang, Jingjing. "Feasibility Study for a Community Scale Conversion of Trap Grease to Biodiesel." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1330024170.

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2

Tu, Qingshi. "Fats, Oils and Greases to Biodiesel: Technology Development and Sustainability Assessment." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1448037796.

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3

Gasperi, Renata de Lima Pereira de. "Caracterização de resíduos de caixas de gordura e avaliação da flotação como alternativa para o pré-tratamento." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-12062013-145456/.

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Caixas de gordura são dispositivos para retenção de material gorduroso, de origem animal e vegetal, proveniente de pias de cozinha. Sua instalação é exigida por muitos municípios para liberação de ligações de esgoto, visando reduzir as concentrações de óleos e graxas (OG) lançadas no sistema público de coleta e tratamento. Um fator primordial para que estas caixas cumpram suas funções é o estabelecimento de rotinas de manutenção envolvendo inspeção e limpeza periódica. A instalação de locais para recebimento e pré-tratamento dos resíduos retirados das caixas de gordura pode incentivar boas prá
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4

Gojkovic, Živan. "Studium přípravků do odlučovačů tuků." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2009. http://www.nusl.cz/ntk/nusl-216490.

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Diploma thesis was concentrated at testing of a single commercial product designed as a lipid residue removal agent, applicable in grease trap vessel. Concept was, that product is to be tested for possible content of viable microbial culture with ability to utilize various kinds of vegetable oils and animal fats, by producing functional lipase. Four types of vegetable oils were used, and two fats of animal origin: olive oil, palm oil, rapeseed oil, sunflower oil, lard and beef fat. Determined fat characteristics were: point of the saponification, the acid value, the ester value and the peroxid
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5

Artýszková, Jana. "Odbourávání tuků v odpadech." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2011. http://www.nusl.cz/ntk/nusl-216793.

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Submitted master’s thesis is focused on the study of possibilities of lipids degradation in particular wastewaters originating in food industry or restaurants. The effort is given to the employment of lipolytic activity presenting microorganisms. In the literature review, wastewater treatment with aim on the sludge management and fat separators are described, as a way how to pre-treat these wastewaters. In this part the enzymes lipases of microbial origin are researched from point of view of their production conditions and possible applications. The experimental part is dedicated to the resear
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6

Lundgren, Johan, and Hultqvist William. "Fett i de kommunala avloppssystemen – matavfall på fel plats." Thesis, KTH, Byggteknik och design, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231591.

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Tidigare undersökningar visar att fettproblematiken i de kommunala ledningsnäten är ökande. Fettet som hamnar i avloppen leder till drift- och underhållskostnader, men leder även till problem för att nå de lagar och regler som ställs på VA-huvudmännen. Vad gör huvudmännen åt detta problem? Är användningen av bioteknik en lösning? Vilka åtgärder finns mot hushållen? I denna uppsats har en litteraturstudie genomförts om fett i avlopp, en enkätstudie för att undersöka privatpersoners kunskap om matavfallssortering och även intervjuer med personer från företag inom VA. Resultaten visar att det fin
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7

Pizzatto, Gabriele. "Tecnologia alternativa para tratamento seletivo de efluentes domésticos." Universidade Estadual do Oeste do Parana, 2012. http://tede.unioeste.br:8080/tede/handle/tede/1833.

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Made available in DSpace on 2017-07-10T18:07:58Z (GMT). No. of bitstreams: 1 Gabriele Pizzatto.pdf: 2509942 bytes, checksum: 2ced823abdb0d261ba88e1b1559d76a3 (MD5) Previous issue date: 2012-02-24<br>The effluent from the kitchen sink, dishwasher, tank/washing machine, toilet bowl, shower, sink and tub when not covered are the source of many environmental problems and public health. The current management models based on conventional technologies still present technical and economic limitations. In this context, the study aimed to develop and propose a new model of management of domestic sewa
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8

NOCKA, THEODHORA. "AUTOMATED TRANSIT TRIP PLANNING SYSTEM IN SOUTHERN CALIFORNIA AND ITS APPLICATION IN THE GREATER CINCINNATI AREA." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin994693516.

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9

Nakov, Anton. "Essays on the Liquidity Trap, Oil Shocks, and the Great Moderation." Doctoral thesis, Universitat Pompeu Fabra, 2007. http://hdl.handle.net/10803/7360.

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The thesis studies three distinct issues in monetary economics using a common dynamic general equilibrium approach under the assumptions of rational expectations and nominal price rigidity.<br/> The first chapter deals with the so-called "liquidity trap" - an issue which was raised originally by Keynes in the aftermath of the Great Depression. Since the nominal interest rate cannot fall below zero, this limits the scope for expansionary monetary policy when the interest rate is near its lower bound. The chapter studies the conduct of monetary policy in such an environment in isolation from
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10

Lindsay, Heather Schofield. "Exposure to Dietary Selenium and Soy Isoflavones in Utero Provides Greater Protection Against Prostate Cancer Risk Factors in TRAMP Mice than Exposure Beginning at 6 Weeks." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3228.

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Prostate cancer is the second most commonly occurring cancer in men in the United States. Generally, an extended period of time is needed for a mutation to develop into a full scale tumor. Because of this long latency period, lifestyle and environmental factors, such as diet, may play an important role in the development and progression of the disease. Diet is one factor that has been implicated in the risk for developing prostate cancer. We previously showed that diets high in soy isoflavones and selenium (Se) decreased androgen receptor expression and expression of androgen regulated genes i
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11

Schen-Langenheim, Greta Katherine. "Evaluation of Semiochemical Strategies for the Protection of Whitebark Pine Stands Against Mountain Pine Beetle Attack Within the Greater Yellowstone Ecosystem." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/572.

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High-dose verbenone, verbenone plus nonhost volatiles (NHVs), and both semiochemicals in combination with aggregant-baited funnel traps were tested for stand- level protection against mountain pine beetle attack for two consecutive years (2004-2005) at three seral high elevation whitebark pine sites in the Greater Yellowstone Ecosystem. In 2004, two 0.25-hectare treatments comprised of 25 high-dose verbenone pouches or verbenone pouches combined with single baited funnel traps were tested in a push-pull strategy. In 2005, 25 high-dose verbenone and 25 NHV pouches, or verbenone and NHV in com
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12

Sanches, Mateus Alvarenga [UNESP]. "A CUT e a reforma sindical do Fórum Nacional do Trabalho: posições e divergências." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/88810.

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Made available in DSpace on 2014-06-11T19:23:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-02-28Bitstream added on 2014-06-13T20:11:10Z : No. of bitstreams: 1 sanches_ma_me_mar.pdf: 723844 bytes, checksum: 388fff6493837e2a50731e2104817071 (MD5)<br>A história da CUT conheceu seu mais recente capítulo com a vitória eleitoral da candidatura Lula em 2002. Esse segmento do movimento sindical brasileiro sempre esteve acostumado a relacionar-se com sucessivos governos que não apresentavam vínculos com setores do sindicalismo. Logo que assumiu o governo, Lula organizou um Fórum onde seri
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13

Souza, Marcio Santos. "Avaliação ambiental e econômica do uso de bioaumentação em caixas de gordura de restaurantes da região de Jacarepaguá – Rio De Janeiro." Universidade Federal Fluminense, 2015. https://app.uff.br/riuff/handle/1/1806.

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Submitted by Marcia Silva (marcia@latec.uff.br) on 2016-06-06T19:49:35Z No. of bitstreams: 1 Dissert Marcio Santos Souza.pdf: 1968058 bytes, checksum: 6661d62ea17eb9024d2a910ec3540c20 (MD5)<br>Made available in DSpace on 2016-06-06T19:49:35Z (GMT). No. of bitstreams: 1 Dissert Marcio Santos Souza.pdf: 1968058 bytes, checksum: 6661d62ea17eb9024d2a910ec3540c20 (MD5) Previous issue date: 2015-12-09<br>A Região de Jacarepaguá concentra atualmente 237 estabelecimentos classificados na categoria RESTAURANTES, segundo dados obtidos na RAIS, gerando milhões de litros de gorduras oriundas do proc
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14

Oliveira, Jairo Pinto de. "Estudo da geração de biodiesel a partir de resíduos oleosos do saneamento ambiental." Universidade Federal do Espírito Santo, 2012. http://repositorio.ufes.br/handle/10/6135.

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Made available in DSpace on 2016-12-23T14:04:28Z (GMT). No. of bitstreams: 1 Jairo Pinto de Oliveira.pdf: 2727767 bytes, checksum: 3b1352014d87848112176e085bb84c8d (MD5) Previous issue date: 2012-12-10<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Effluents are released daily into water bodies without any treatment with high levels of oil and grease (OG) and are a huge environmental problem. These residues are potentially available may be used for energy recovery, such as oil usage for the production of biodiesel. As the biggest barrier to the production of biodiesel in
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15

Yalcinkaya, Sedat. "Mesophilic anaerobic co-digestion of municipal wastewater sludge and un-dewatered grease trap waste." Thesis, 2014. http://hdl.handle.net/2152/28347.

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Fat, oil, and grease residues, food particles, solids and some kitchen wastewaters are collected in grease traps which are separate from the municipal wastewater stream. Grease traps are emptied periodically and grease trap waste (GTW) is hauled for treatment. This dissertation focuses on anaerobic co-digestion of un-dewatered (raw) GTW with municipal wastewater treatment sludge (MWS) at wastewater treatment plants. In particular, this research focuses on the biochemical methane potential of un-dewatered GTW as well as the stability and performance of anaerobic co-digestion of MWS and un-dewat
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16

Danylo, Nataliya. "Estudo de avaliação e optimização do potencial de biogás das lamas mistas da ETAR de Chelas." Master's thesis, 2009. http://hdl.handle.net/10400.5/1660.

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Mestrado em Engenharia do Ambiente - Instituto Superior de Agronomia<br>In the last few years, the number of municipal wastewater treatment plants (WWTP) in Portugal increased significantly resulting in the production of large quantities of “mixed sludge” (primary sludge + activated sludge) that should undergo stabilization. Aerobic stabilization of “mixed sludge” has been shown to cause poorer dewatering properties and, at the same time, increases the biopolymer needs. Anaerobic digestion of sewage sludge has been applied to WWTP for decades. It is a well known, efficient and environmentally
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17

Marzoughi, Reihane. "Beyond the Work Trip: Teen Travel in the Greater Toronto Area (GTA) and Policy Implications." Thesis, 2010. http://hdl.handle.net/1807/26511.

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Conventional transportation demand management approaches have had limited success in reducing automobile dependency. As a result, it has become increasingly important to understand the decision-making processes involved in determining travel behaviour. The purpose of this dissertation is to extend research on urban form and travel behaviour beyond adult travel by examining teen travelers aged 13-19 in the Greater Toronto Area. Data from the Transportation Tomorrow Survey (TTS) survey are used to study four main research questions: 1) How has teen mode choice changed from 1986 to 2006? 2) How d
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18

Crosby, Jonquil. "Amphibian Occurrence on South Okanagan Roadways: Investigating Movement Patterns, Crossing Hotspots, and Roadkill Mitigation Structure Use at the Landscape Scale." Thesis, 2014. http://hdl.handle.net/10012/8538.

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Road expansion and increased traffic likely exacerbates barriers to amphibian migration and dispersal. Within British Columbia’s south Okanagan valley there is particular concern that the COSEWIC-listed blotched tiger salamander (Ambystoma mavortium melanostictum) and Great Basin spadefoot (Spea intermontana) are vulnerable to road effects in their annual movements from upland overwintering habitat to lowland breeding areas. My study utilizes a before after control impact approach to assess amphibian movement and population threats across this highway-bisected landscape. Throughout the spring
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