Physico Chemistry Process
Mostrando 1-4 de 4 artigos, teses e dissertações.
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1. Extraction in chemistry: humic substances in soils and copper in cachaça / Estratégias de extração em química : substâncias húmicas em solos e cobre em cachaça
The goal of the extraction strategies here developed was to obtain final products with efficiency and reliability in a time interval as short as possible. The proposed methods are inexpensive and easily applied for different samples. The first extraction strategy proposed deals with humic substances, HS, removal in peat soils aiming the development of an ext
Publicado em: 2009
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2. Post-treatment of stabilisation pond effluent by physico-chemistry process. / Pós-tratamento de efluente de lagoa de estabilização através de processo físico-químico.
Neste trabalho estudou-se o pós-tratamento de efluente de lagoa anaeróbia e lagoa facultativa por processo físico-químico à base de coagulação, floculação e separação sólido-líquido. A motivação principal para o desenvolvimento da pesquisa foi a dificuldade que os sistemas de lagoas de estabilização apresentam para atender aos limites de qua
Publicado em: 2006
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3. Obtenção de antioxidante a partir de derivados do LCC
Cashew-nut-shell-liquid (CNSL) is a phenolic oil that hás been due its their antioxirsion properties for use in fuels. The present work develops a method to the conversion of hidrogenated cardanol, that is the main component of the CNSL, in a compound with similar chacteristics to antioxidants used in products from petroleum. The antioxidants wasd obtained
Publicado em: 2000
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4. Production and properties of ethoxylated fatty alcohols with a narrow oligomer distribution / Produção e propriedades de álcoois graxos etoxilados com distribuição estreita de oligômeros
In the present work, developed in an association between University and Industry, different catalysts were evaluated, such as aluminum isopropoxide and Aliso B, for ethoxylation of laurilic alcohol, aiming to obtain narrowly distributed oligomers. The experiments were carried out in a pilot plant and the influence of temperature, catalyst concentration and m
Publicado em: 1997