“…In Volpi et al [125], the researchers report methane production by AcD from vinasse, cachaça, and deacetylation liquor using a semi-continuous stirred tank reactor. AD of sugarcane vinasse in two stages (acidogenic/methanogenic) and one stage (methanogenic) was used under extreme temperature conditions in structured-bed reactors to produce methane and acetic acid [126]. In Magrini, de Almeida, da Maia Soares, Fuentes, et al [127], the authors used vinasse as a substrate in microbiological processes to obtain hydrogen and volatile fatty acids through DF.…”
Vinasse is a toxic pollutant if it is poured into the ecosystem indiscriminately; despite this, it integrates components that make it valuable in nutrients and water. However, its use has been questioned due to the costs involved in its purification. This systematic review focuses on the valorization of vinasse from the studies performed for its post-industrial use. Trends in vinasse management and bioproduct development were analyzed. The PRISMA statement was used as a formal guide for collecting and analyzing 131 studies from 2018 to 2022. We determined that biological processes are the most used to obtain the benefits of vinasse, obtaining up to three post-industrial bioproducts. While it is true that there is a predominant trend of studies focused on the generation of biofuels, it must be noted that the beginning of the sucro-alcohol chain was the agricultural field. In this sense, we determine that 14% of the studies treat vinasse for agricultural reuse purposes, so, under Circular Economy principles, the reincorporation of vinasse into the agricultural field to take advantage of its goodness in nutrients and minerals as a sustainable and eco-efficient alternative should be a research trend that accelerates the consumption of vinasse generated in alcohol distilleries.
“…In Volpi et al [125], the researchers report methane production by AcD from vinasse, cachaça, and deacetylation liquor using a semi-continuous stirred tank reactor. AD of sugarcane vinasse in two stages (acidogenic/methanogenic) and one stage (methanogenic) was used under extreme temperature conditions in structured-bed reactors to produce methane and acetic acid [126]. In Magrini, de Almeida, da Maia Soares, Fuentes, et al [127], the authors used vinasse as a substrate in microbiological processes to obtain hydrogen and volatile fatty acids through DF.…”
Vinasse is a toxic pollutant if it is poured into the ecosystem indiscriminately; despite this, it integrates components that make it valuable in nutrients and water. However, its use has been questioned due to the costs involved in its purification. This systematic review focuses on the valorization of vinasse from the studies performed for its post-industrial use. Trends in vinasse management and bioproduct development were analyzed. The PRISMA statement was used as a formal guide for collecting and analyzing 131 studies from 2018 to 2022. We determined that biological processes are the most used to obtain the benefits of vinasse, obtaining up to three post-industrial bioproducts. While it is true that there is a predominant trend of studies focused on the generation of biofuels, it must be noted that the beginning of the sucro-alcohol chain was the agricultural field. In this sense, we determine that 14% of the studies treat vinasse for agricultural reuse purposes, so, under Circular Economy principles, the reincorporation of vinasse into the agricultural field to take advantage of its goodness in nutrients and minerals as a sustainable and eco-efficient alternative should be a research trend that accelerates the consumption of vinasse generated in alcohol distilleries.
“…Este achado é interessante do ponto de vista de extração de metabólitos líquidos após a etapa de acidogênese. No entanto,Niz et al (2021) relataram que o aumento da temperatura para valores na faixa hipertermofílica (70 °C) foi prejudicial à produção de metano a partir de vinhaça em um e dois estágios. Então, nesta etapa adicional foi verificado se a co-digestão de vinhaça e glicerina em diferentes combinações de temperatura, especialmente as na faixa hipertermofílica, apresentaria efeito deletério à produção de metano em um e dois estágios.5.4.1 Efeito do aumento da temperatura no desempenho do RALF-ATO aumento na temperatura operacional de 55 °C para 60 °C com concentração total de glicerol e vinhaça fixa em 10 g DQO L -1 e TDH de 4 h resultou em menores eficiências de conversão de carboidratos (de 40,3% a 17,2%) e glicerol (de 54,3% a 35,2%) no RALF-AT(Tabela 35, Figura 63).…”
Dedico a ti tudo que fui, tudo que serei e tudo que sou.Tu tens meu maior amor e minha eterna gratidão.
AGRADECIMENTOSAgradeço ao professor Dr. Edson Luiz Silva por sempre ter se preocupado com minha formação. Por ter me possibilitado crescer e evoluir como profissional. Obrigada pela orientação, os conselhos, e mais ainda, o exemplo.
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