Добірка наукової літератури з теми "Ethanol of second generation"

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Дисертації з теми "Ethanol of second generation"

1

Maitan-alfenas, Gabriela Piccolo. "Enzymatic hydrolysis of lignocellulosic biomass for second generation ethanol production." Universidade Federal de Viçosa, 2014. http://www.locus.ufv.br/handle/123456789/6684.

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Анотація:
Submitted by Amauri Alves (amauri.alves@ufv.br) on 2015-11-16T11:43:38Z No. of bitstreams: 1 texto completo.pdf: 3547883 bytes, checksum: d0ecea27278208d99b9477d7546e1251 (MD5)<br>Made available in DSpace on 2015-11-16T11:43:38Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3547883 bytes, checksum: d0ecea27278208d99b9477d7546e1251 (MD5) Previous issue date: 2014-11-18<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>A produção de etanol de segunda geração apresenta grande potencial para ser uma realidade sustentável, especialmente no Brasil que prossui grandes quantida
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Hilares, Ruly Terán. "Hydrodynamic cavitation as a new approach for sugarcane bagasse pretreatment aiming to second generation ethanol production." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/97/97131/tde-07082018-153234/.

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Анотація:
Renewable energy sources have been proposed as a viable option to mitigate the consumption and the dependence of fossil fuels. Among the available alternatives, lignocellulosic biomass has shown great potential for bioenergy generation, and biofuels as ethanol can be obtained by fermentation from sugars present in cellulosic and hemicellulosic fractions of biomass. However, for the efficient release of fermentable sugars during the enzymatic hydrolysis step, a pretreatment process is required to modify the material in its structure and composition. In this context, hydrodynamic cavitation (HC)
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3

Basso, Thalita Peixoto. "Improvement of Saccharomyces cerevisiae by hybridization for increased tolerance towards inhibitors from second-generation ethanol substrate." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11138/tde-29042015-132341/.

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Global climate change and volatility of petroleum price have driven the necessity to reduce fossil fuel utilization and replace it by renewable energy. Bioethanol production in the United States and Brazil from cornstarch and sugarcane, respectively, is already established. However, the bioethanol industry appears unsustainable in view of the potential stress that its production places on food commodities. In contrast, second-generation biofuels produced from cheap and abundant lignocellulosic biomass, has been viewed as one plausible solution to this \"food versus fuel\" problem. Sugarcane ba
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4

Carvalho, Danila Morais de. "Some factors affecting the production of second generation ethanol from eucalyptus, sugarcane bagasse and sugarcane straw." Universidade Federal de Viçosa, 2016. http://www.locus.ufv.br/handle/123456789/8390.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2016-08-25T17:49:22Z No. of bitstreams: 1 texto completo.pdf: 4509982 bytes, checksum: 1ddc3e8d6d2fd98d0186c187ff37a974 (MD5)<br>Made available in DSpace on 2016-08-25T17:49:22Z (GMT). No. of bitstreams: 1 texto completo.pdf: 4509982 bytes, checksum: 1ddc3e8d6d2fd98d0186c187ff37a974 (MD5) Previous issue date: 2016-02-22<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O etanol tem sido considerado um promissor biocombustível para substituir combustíveis fósseis. O uso estratégico de eucalipto, bagaço e palha
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5

Silverio, Manuella Souza. "Disgestão anaeróbia de vinhaça 2G para produção de biogás." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/11/11138/tde-18052017-172607/.

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Анотація:
A expansão do setor sucroenergético favoreceu o desenvolvimento da tecnologia de etanol de segunda geração (2G). No entanto, este é um processo que leva à geração de altíssimos volumes de resíduos, bem como o processo de primeira geração (1G). O principal deles é a vinhaça, que também apresenta elevado potencial poluidor. Nesse contexto, vê-se, portanto, a necessidade de se dar uma finalidade adequada ao resíduo. A digestão anaeróbia se tornou uma tecnologia muito disseminada e valorizada em outros países. Isso se deve às vantagens em gestão de resíduos e na geração de energia proporcionadas p
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6

Samuel, Victor. "Environmental and socioeconomic assessment of rice straw conversion to ethanol in Indonesia : The case of Bali." Thesis, KTH, Energi och klimatstudier, ECS, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-127807.

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The vast rice production in some developing Asian countries like Indonesia raises expectation on poverty alleviation and energy diversification through second generation biofuel production from rice residues, specifically rice straw. This work attempts to estimate the potential environmental and socioeconomic benefits of rice straw-to-ethanol project in Indonesia. Literature research and interviews are performed to quantify several environmental and socioeconomic indicators that are considered as the major concerns inimplementing an energy project. Assuming all the technically available rice s
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7

Silva, Amanda Alves. "Caracterização bioquímica da Beta-Xilosidase II de Caulobacter crescentus visando a degradação da biomassa lignocelulósica para aplicações biotecnológicas." Universidade Estadual do Oeste do Parana, 2015. http://tede.unioeste.br:8080/tede/handle/tede/5.

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Анотація:
Made available in DSpace on 2017-05-12T14:36:23Z (GMT). No. of bitstreams: 1 DISSERTACAO AMANDA ALVES MESTRADO EM CIENCIAS FARMACEUTICAS _UNIOESTE 2015.pdf: 10598736 bytes, checksum: 51f0f3eb83858fee62392b7892930766 (MD5) Previous issue date: 2015-12-07<br>Lignocellulosic biomass are the raw material most abundant and promising as a natural and renewable resource. These plant materials are complex carbohydrate polymer composed mainly of cellulose, hemicellulose and lignin, which are linked by covalent bonds and can be transformed into value-added products, such as biofuels. The degradation o
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8

Bronzato, Giovana Roberta Francisco [UNESP]. "Investigação da biomassa de Eichhornia crassipes (aguapé) para a obtenção de etanol de segunda geração como um processo mitigatório da poluição aquática." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/141985.

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Submitted by GIOVANA ROBERTA FRANCISCO BRONZATO null (giba_roberta@hotmail.com) on 2016-07-30T22:47:31Z No. of bitstreams: 1 Dissertação8.pdf: 3329976 bytes, checksum: 1e0d85f78fcf14b969e03a86c3ce4b3e (MD5)<br>Approved for entry into archive by Ana Paula Grisoto (grisotoana@reitoria.unesp.br) on 2016-08-02T14:18:50Z (GMT) No. of bitstreams: 1 bronzato_grf_me_bot.pdf: 3329976 bytes, checksum: 1e0d85f78fcf14b969e03a86c3ce4b3e (MD5)<br>Made available in DSpace on 2016-08-02T14:18:50Z (GMT). No. of bitstreams: 1 bronzato_grf_me_bot.pdf: 3329976 bytes, checksum: 1e0d85f78fcf14b969e03a86c3ce4b3
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Mello, Bruno Luan Soares Paula de. "Identificação e caracterização da primeira exoxilanase da família 11 de hidrolase de glicosídeo a partir do estudo do metatranscriptoma de um consórcio derivado da compostagem." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-21092017-104026/.

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Анотація:
O uso de resíduos agrícolas como fonte de carbono para a geração de energia renovável parece uma solução promissora para reduzir nossa dependência em combustíveis fósseis. Na natureza, como na compostagem, comunidades microbianas formam redes metabólicas complexas que degradam eficientemente a biomassa disponível através de um conjunto de enzimas sinérgicas. Entretanto, a desconstrução da lignocelulose continua uma desafio para a indústria devido a natureza recalcitrante do substrato e a baixa atividade das enzimas, aumentando o preço do biocombustível produzido. Estudos de metagenômica e meta
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10

Van, Der Westhuizen Willem Andries. "A Techno-economic evaluation of integrating first and second generation bioethanol production from sugarcane in Sub-Saharan Africa." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85611.

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Анотація:
Thesis (MScEng)-- Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Climate change that results from greenhouse gases (GHG’s) released from the burning of fossil fuels, together with the rising price of oil, have sparked interest in renewable biofuels. The production of biofuels also presents potential socio-economic benefits. There are two types of technologies for bioethanol production: · First generation bioethanol is produced from food feedstocks such as juice of sugarcane. · Second generation bioethanol is produced from non-food feedstocks (lignocellulosic materials). This projec
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