TCC Técnico em Química

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https://repositorio.ifal.edu.br/handle/123456789/294

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Navegando TCC Técnico em Química por Assunto "Álcool"

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    Aproveitamento dos subprodutos da indústria sucroalcooleira
    (Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2022-04-27) Ferreira, Edenilson Guimarães; Leitão, Ana Laura Oliveira de Sá; Leitão, Ana Laura Oliveira de Sá; Rocha, Martha Suzana Rodrigues dos Santos; Cunha, Simonise Figueiredo Amarante
    The planting of sugarcane is related to the history and economic development of Brazil. This cultivation, since colonial times, has undergone tremendous agronomic and industrial development. The cultivation of sugarcane in Brazil kick-started a great business due to the main products obtained from this plant: sugar and ethyl alcohol (ethanol). The sugar alcohol complex is considered the most modern in the world, with Brazil taking a leading position in the production of ethanol. On the other hand, this sector is responsible for environmental impacts, both due to the intense use of natural resources and the large amount of waste generated, the latter being one of the main problems faced by the sugar alcohol industry. For this reason, the present work aims to present which are the by-products of the sugar and alcohol industry and their respective forms of use. Therefore, a bibliographic research was carried out, through articles, monographs, dissertations and theses, on sites such as Google Scholar and SciELO and it was observed that the reuse of by-products of the sugar alcohol industry can be of great interest, both profitable and socio-environmental
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    Processo produtivo de etanol de segunda geração
    (Instituto Federal de Educação Ciência e Tecnologia de Alagoas, 2022-04-26) Teles, Emilly Cristhiny Silvino; Rocha, Martha Suzana Rodrigues dos Santos; Rocha, Martha Suzana Rodrigues dos Santos; Leitão, Ana Laura Oliveira de Sá; Vianna, Eliza da Silva
    Due to the advance of environmental damage, accumulated in recent decades by fossil fuels, biofuels have been growing more and more. In this way, bioethanol has been gaining space and importance. Second-generation ethanol (E2G), whose raw material is lignocellulosic biomass, has been drawing the industry's attention, with a forecast of higher growth until 2026. E2G brings many advantages, such as the low cost of raw materials, lower emission of polluting gases, etc. This work presents, the production of ethanol from lignocellulosic biomass, showing the structure of this biomass and the production step by step. The work was developed through a bibliographic review, based on articles, websites, theses, etc. The process is different from conventional ethanol, first-generation, as it contains the additional steps of pre-treatment and hydrolysis, followed by fermentation and distillation. Such steps are essential for a good ethanol yield at the end of the process. It is verified that there are some disadvantages and challenges to be overcome. In the production of E2G, important differences are pointed out, compared to the first generation, due to the characteristics of the biomass, being necessary to use highly specific enzymes. which currently have a high cost, which still makes the feasibility of the process difficult, among other problems, such as inhibitors that may appear in the hydrolysis and fermentation stages. It is expected that over the years bioethanol will grow more and more and Brazil will stand out in the use of this technique, expanding its processing in the industry.