Search
Now showing items 61-70 of 130
Análise termodinâmica do sistema ternário água/ácido clorídrico/poliamida 66
(2014-07-10)
The starting point for the preparation of polymer membranes by phase inversion is having a
thermodynamically stable solution. The Flory-Huggins theory guided the construction of the
ternary diagrams for water/formic ...
Estudos de tratabilidade dos efluentes da refinaria do Vale da Paraíba (REVAP)
(2014-07-10)
The association of bioreactors and membranes (MBR) is extremely attractive for the
treatment of oil refinery wastewater aiming the removal of organic materials and ammonia. This
treatment technology is relatively recent ...
Avaliação do processo de eletrocoagulação aplicado a efluentes cianídricos da indústria galvânica
(2014-11-24)
The growing need for preservation and/or maintenance of water available for human consumption generates an endless search for alternative and efficient methods for the treatment of industrial effluents. The aim of the ...
Desenvolvimento e caracterização de uma tinta em pó base poliéster contendo montmorilonita funcionalizada com silano
(2014-08-25)
Among the methods used for corrosion protection of metal materials the organics coatings
have been widely used due to their ease of application and reasonable costs. The barrier
property of the organic coatings can be ...
Emprego de membrana na separação de células de Zymomonas mobilis em bioprocessos associados para a produção de etanol e ácido lactobiônico
(2014-11-24)
Zymomonas mobilis, anaerobic bacteria, metabolize glucose, fructose or sucrose generating equimolar amounts of CO2 and ethanol. Glucose behave as an inducer of glucose - fructose oxidoreductase (GFOR) and glucono -- ...
Pirólise de madeira tratada com CCA em reator de leito fixo
(2015-12-04)
Wooden poles of the electricity distribution network are treated with preservatives to increase their shelf life. Among the various types of wood preservatives available on the market, the most used is the chromated copper ...
Gaseificação em leito fluidizado da fração polimérica contida no rejeito (FPR) proveniente da triagem de resíduos sólidos urbanos (RSU)
(2019-02-15)
The worldwide solid waste composition indicates that polymeric materials account for, approximately, 10% of municipal solid waste (MSW). The MSW after sorting still contain a plastic fraction (FPR) made of recyclable waste, ...
Avaliação dos efeitos do metal de adição no processo de solda a arco elétrico sobre um aço patinável
(2018-12-19)
The welding process is present in about 90% of the industries, metalworking, civil construction, oil and gas. Among the diverse range of processes, MIG / MAG welding is distinguished, which is the first option for most of ...