Navegando Teses e dissertações por assunto "Secagem"

Itens para a visualização no momento 1-20 of 39

    • Análise do desempenho do leito vibrofluidizado na secagem de pasta 

      Costa, Ariany Binda Silva (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 05/05/2017)
      The agitation promoted by the vibrofluidized bed allows the incorporation of several unitary operations such as granulation, coating of particle, drying of grains, and the drying of pasty materials. However, it is necessary ...

    • Secagem de materiais pastosos e granulares no leito de jorro mecânico e convencional 

      Sousa, Robson Costa de (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 02/06/2017)
      This study had the objective to assess the behavior of a mechanically spouted bed compared to a conventional spouted bed through attrition of particulate matter, thermal and mass analysis during water evaporation and through ...

    • Secagem de cevada: análise da anatomia e do meio de transporte 

      Felizardo, Marcos Paulo (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 23/03/2018)
      Despite the recent motivations for application in the food industry, the characterization of polished barley grains is still scarce in the literature. In this way, the objective of this work was the experimental analysis ...

    • Acúmulo, elutriação e recuperação do produto na secagem de pasta em leito de jorro 

      Barros, João Pedro Alves de Azevedo (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 09/03/2018)
      One of the equipment that has been highlighting mainly in the drying of pastes and solutions is the spouted bed. In this type of equipment some factors that can make it impossible to use are operational problems caused by ...

    • Secagem convectiva de folhas de hortelã: análise baseada no ajuste de correlações empíricas, superfícies de respostas e redes neurais 

      Costa, Ariany Binda Silva (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 15/03/2013)
      Mentha x villosa H. is a species of mint popularly known as regular mint. Besides being widely used as a spice, their leaves yield an essential oil with many healthy compounds that are commonly used in formulation of ...

    • Contribuições ao estudo da secagem da borra de café em leito vibrofuidizado 

      Rocha, Thalyne de Almeida Ferreira (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 15/03/2019)
      Brazil is the largest producer of coffee in the world, half of this production is destined to the soluble coffee industry, that generates a amount of waste. The spent coffee grounds leave the fabrication processo f the ...

    • Síntese de hidróxido duplo lamelar: efeitos do processo de secagem 

      Silva Neto, Luiz Daniel da (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 20/02/2020)
      Because of its chemical versatility, ionic exchange and regeneration capacity, Layered Double Hydroxides (LDHs), have recently been recognized as a promising material due to their many application areas. Drying is an ...

    • Avaliação da secagem convectiva de resíduos da indústria cervejeira 

      Pinto, Guilherme Henrique Alves (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 05/03/2020)
      Brazil is the third largest beer producer in the world, with an estimated production of 14.1 billion liters of the product for the year 2018, generating several co-products throughout the process, being brewer’s spent grain ...

    • Síntese de zeólita FAU com cristais nanométricos para fins de adsorção 

      Massula, Lívia Maciel (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 17/03/2014)
      Significant investments have been made in the development of technologies that enable the drying process of natural gas. The molecular sieves are highlighted in this context, due to features such as ion exchange capacity, ...

    • Secagem de pimenta dedo-de-moça (Capsicum baccatum var. pendulum) em secador convectivo horizontal 

      Véras, Antonio Onias Mesquita (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 28/05/2010)
      The cultivation of pepper is widespread in Brazil since its colonization. This plant, besides being much appreciated in the cuisine has proven pharmacological effects such as lowering cholesterol, inhibiting appetite and ...

    • Secagem de sementes de Arachis hipogae L. com capa protetora 

      Nascimento, Bruna de Souza (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 20/02/2009)
      Arachis hipogae L. peanut is an orthodox seed that must go through a drying process to become free from aflatoxin. The fruit is formed by a system made up by a nucleus and a resistant involucre that constitutes a heterogeneous ...

    • Secagem de pimenta-do-reino preta (Piper nigrum L.) em secador de leito fixo 

      Alves, Danilo Aparecido Serafim (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 27/08/2015)
      The black pepper is the most important spice commercialized globally, with Brazil being one of the main producers in the world. Yet few studies to optimize the production of this commodity process have been found in the ...

    • Secagem em leito fixo de sementes com mucilagem. 

      Prado, Manoel Marcelo do (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 06/04/2004)
      Attempting to contribute with the studies on mucilaginous seeds drying, the objective of this work is to study the simultaneous heat and mass transfer during drying in fixed bed of papaya seeds with and without mucilage. ...

    • Estudo fluidodinâmico e térmico no transportador pneumático com alimentador tipo jorro 

      Sousa, Robson Costa de (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 05/08/2009)
      The pneumatic conveyor using a spouted bed as a particle feeding method has been studied in the past years in the Centro de Secagem/DEQ/UFSCar. In the literature there are some studies related to the fluid dynamics behavior ...

    • Secagem de gel ágar. 

      Moreira, Marcos Flávio Pinto (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 29/02/2000)
      Agar-agar is a hydrofilic colloid extracted from seaweed, mainly from algae Gelidium. It s used as culture medium in microbiology and as emulsificant, stabilizer and gelling in foods. Drying is an important operation in ...

    • Estudo da secagem de sementes de embaúba em leito fluidizado 

      Corrêa, Luciano Jacob (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 08/03/2012)
      Due to the importance of conservation of ecosystems and having Cecropia glaziovi.S as a pioneer species of the Tropical Forests, this plant becomes indispensable in reforestation areas altered wild. The drying operation ...

    • Desenvolvimento, caracterização e secagem de sementes com cobertura artificial. 

      Ferreira, Margarete Martins Pereira (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 11/12/2003)
      The studies on the preparation and drying of seeds with artificial coat covering promote the integration of the referring research lines for drying of seeds and gel. Thus, the aim of this research were carried out a ...

    • Secagem de cenoura (Daucus carota L.) em microondas 

      Rosa, Juliana Gomes (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 18/03/2010)
      Carrot is a root plant of the same name, Daucus carota L.. This vegetable has a high consumption and its use as an ingredient in the formulation of industrial products has increased in recent years. The main appeal of the ...

    • Avaliação das condições operacionais na taxa de evaporação de água em leito de jorro 

      Bitti, Maisa Tonon (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 09/03/2012)
      In this work, the influence of operating conditions on the evaporation rate of water was analyzed for drying in a spouted bed. Experiments were done for two different inlet air geometries and inert particles loads for ...

    • Sensor virtual para estimativa de umidade e temperatura na fase sólida durante processo de secagem em leito de jorro 

      Paula, Eduardo Rodrigues de (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 23/04/2019)
      Control systems are used to suppress the influence of external disturbances, to guarantee operational stability and to optimize the performance of chemical processes. Whatever the purpose, the means of controlling a chemical ...