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Mostrando ítems 21-30 de 181
Uso de argilominerais e diatomita como adsorvente de fenóis em águas produzidas na indústria de petróleo
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia do PetróleoPesquisa e Desenvolvimento em Ciência e Engenharia de Petróleo, 2008-10-06)
The oil production in Brazil has been increasing each year. Consequently, increasing volumes of water produced are generated with large quantities of contaminants, which brings many problems in disposing of these waters. ...
Síntese de zeólita A a partir de diatomita como fonte de aluminossilicato
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia de MateriaisProcessamento de Materiais a partir do Pó; Polímeros e Compósitos; Processamento de Materiais a part, 2011-11-25)
The synthesis of zeolites from natural sources of silicon and aluminum are promising alternative routes to obtain porous or zeolite MCM family. Such materials are typically used in catalytic processes and / or adsorption ...
Using TiO2-Diatomite for photodisinfection in contaminated wastewater
(Sociedade Brasileira de Bioqu??mica e Biologia Molecular - SBBq, 2023)
Obtenção e Caracterização de Fitas Cerâmicas a Base de Diatomita/TiO2/Nb2O5 Para Tratamento de Água
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia de MateriaisDepartamento de Engenharia de Materiais, 2022-02-09)
Over the past years, water pollution phenomena have become more and more frequent, and freshwater scarcity is becoming a global challenge due to its limited availability. Studies indicate that several diseases are caused ...
Treatment of subterranean mining water through filtration using ceramic bilayer membranes based of recycled diatomites and kaolin
(Contemporary Engineering SciencesSofia , Bulgaria, 2018-10-22)
The treatment of underground wastewater is presented. Used at the San Martín 5
mine in the San Roque sector of the municipality of Sardinata (Norte de SantanderColombia); through the process of filtration through bilayer ...
Treatment of subterranean mining water through filtration using ceramic bilayer membranes based of recycled diatomites and kaolin
(Contemporary Engineering SciencesSofia , Bulgaria, 2018-10-22)
The treatment of underground wastewater is presented. Used at the San Martín 5
mine in the San Roque sector of the municipality of Sardinata (Norte de SantanderColombia); through the process of filtration through bilayer ...
Formulação e caracterização de pastas espumadas por incorporação de ar e estabilizantes minerais
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia do PetróleoPesquisa e Desenvolvimento em Ciência e Engenharia de Petróleo, 2011-02-08)
Cementing operations may occur at various stages of the life cycle of an oil well since
its construction until its definitive abandonment. There are some situations in which the
interest zones are depleted or have low ...
Diatom assemblages from the Camastro Diatomite, Costa RicaDiatom assemblages from the Camastro Diatomite, Costa Rica
(Universidad de Costa Rica, 2015)