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Avaliação do emprego de processos de separação por membranas em uma central de tratamento de efluentes galvânicos
(2018-09-11)
The galvanotechnical industry is responsible for generating effluents containing heavy metals and recalcitrant substances. The restrictions on the quality of effluent discharge have intensified. An alternative to this ...
Avaliação das propriedades protetivas e de blindagem eletromagnética de um sistema de pintura a base de tinta poliuretânica com nanotubos de carbono aplicados sobre a liga de alumínio AA7075
(2018-12-10)
The use of AA7075 aluminum alloys in the aerospace industry is increasing due to its good mechanical, corrosive and thermal resistance and is ideal for parts that suffer from high stress. An efficient method in the corrosion ...
Produção de aerogel a partir de nanofibras de celulose obtidas de resíduos da indústria moveleira (Pinus elliottii var. elliottii) para sorção de óleos
(2018-02-01)
Petroleum is a feedstock of great economic value. Due to the aim for non-renewable feedstocks substitution, vegetable oils have been used ever more as a feedstock for fuels and polymers. Spills during oil handling are ...
Desenvolvimento e caracterização de placas aglomeradas de resíduos de polieuretano "skin", com diferentes retardantes de chama
(2018-03-12)
The polymeric materials are widely used in many application areas, such as in civil construction, automotive, packaging, general industry, among others, replacing metals, ceramics and wood in a versatile and efficient way ...
Remoção de compostos nitrogenados de água utilizando processos de separação por membranas
(2018-08-22)
The presence of nitrogen compounds in their different oxidation states is an indicator of contamination of water resources and possible unsatisfactory sanitary conditions for the population that consumes this water. Nitrite ...
Obtenção e caracterização de filmes protetivos e bioativos aplicados sobre liga de titânio com potencial aplicação como biomaterial
(2018-12-19)
The alloy Ti-6Al-4V is widely used as a biomaterial. However, it has some disadvantages such as bioinert behavior and susceptibility to corrosion, which leads to the release of aluminum and vanadium ions. Corrosion occurs ...
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 ...