Browsing Teses e dissertações by Title

Now showing items 594-613 of 667

    • 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 ...

    • 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 ...

    • Secagem de folhas de aroeira (Schinus terebinthifolius raddi.) com aquecimento por micro-ondas: avaliação da retenção de cor e qualidade dos extratos etanólicos 

      Santos Júnior, Paulo Sérgio (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 08/03/2023)
      In this study, the drying of aroeira leaves (Schinus terebinthifolius Raddi) with microwave heating was evaluated in order to reduce moisture, color retention and chlorophyll concentration, as well as preserving total ...

    • 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 ...

    • 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 materiais têxteis 

      Caneda, Chaiane Messa (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 08/04/2016)
      The fabrics are derived from fibers, which are divided into to main groups: natural (like cotton) and chemical (such as rayon and polyester). In the processing of the fabric, drying is a major operation, contributing to ...

    • Secagem de pêra em secador a microondas 

      Fumagalli, Fabíola (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 05/08/2003)
      The present work has as main objective the pear drying in three different dryers: convective, microwave and microwave-convective. It is also intended to evaluate the effect of the osmotic dehydration, as pré-treatment, in ...

    • 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 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 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 sementes de gramíneas (Brachiaria brizantha) em leito fluidizado 

      Rizzi Júnior, Antonio Carlos (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 05/12/2008)
      Drying operation is an important stage of the processing that precedes the storage of seeds, since that with low moisture contents, these can retain their power of germination and other qualities for long periods. The ...

    • Secagem de sólidos porosos granulares 

      Perazzini, Hugo (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 18/07/2014)
      In the present work, an experimental study about heat and mass transfer phenomena was carried out during drying of porous media when subjected to an upward flow of heated air. The cylindrical porous media consisted of ...

    • Secagem em leito fixo de materiais granulares com diferentes esfericidades 

      Altino, Heitor Otacílio Nogueira (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 19/02/2019)
      The drying process of particulate biological materials in fixed bed is influenced by several factors associated with the particles and the bed packing. The main objective of this research was to evaluate the drying of ...

    • 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. ...

    • Seleção de suportes e protocolos de imobilização de lipases para a síntese enzimática de biodiesel 

      Mendes, Adriano Aguiar (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 25/05/2009)
      The objective of this thesis was to prepare and select immobilized lipase derivatives with high catalytic activity and thermal stability to mediate the biodiesel synthesis from palm and babassu oils by ethanolic route. The ...

    • Seletividade da Clinoptilolita natural por metais tóxicos em sistemas aquosos. 

      Fernández, Juan Carlos Torres (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 13/12/2004)
      Natural zeolites are the most important inorganic cationic exchangers exhibiting high ion exchange capacity, selectivity and environment compatibility. Heavy metals are well known for toxicity and their disposal is a ...

    • 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 ...

    • Separação adsortiva de misturas etanol-água por processo PSA. 

      Moreira, Alexandre Marques (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 02/03/2005)
      The ethanol is one of the most well-known and diffused fuels sources in nowadays, therefore the domain of its technology has a great importance to the producer countries. Beyond it is in general, lesser expensive than the ...

    • Separação de ampicilina produzida enzimaticamente por reação entre éster metílico de fenilglicina e ácido 6-aminopenicilânico. 

      Vieira, Marcelo Fernandes (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 07/11/2003)
      The separation/concentration process of the products obtained from the enzymatic synthesis of ampicillin (AMP) catalyzed by immobilized penicillin G acylase was the focus of this Thesis. Hydrophobic resin adsorption and ...

    • Separação de compostos com atividade antibacteriana obtidos a partir de cultivos de Streptomyces clavuligerus em meio complexo 

      Bustamante, Maritza Catalina Condori (Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, , 01/09/2009)
      The cephamycin C is a natural cephalosporin produced by Streptomyces clavuligerus, of great importance in the pharmaceutical industry; it is a β-lactam antibiotic that acts as an inhibitor of the cellular wall synthesis. ...