BR8703705A - Processo para utilizacao de escoria de alto forno na retencao de oleos sobrenadantes em aguas correntes
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Processo para utilizacao de escoria de alto forno na retencao de oleos sobrenadantes em aguas correntes
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Publication number
BR8703705A
BR8703705ABR8703705ABR8703705ABR8703705ABR 8703705 ABR8703705 ABR 8703705ABR 8703705 ABR8703705 ABR 8703705ABR 8703705 ABR8703705 ABR 8703705ABR 8703705 ABR8703705 ABR 8703705A
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Application filed by Siderurgica Nacional SafiledCriticalSiderurgica Nacional Sa
Priority to BR8703705ApriorityCriticalpatent/BR8703705A/pt
Publication of BR8703705ApublicationCriticalpatent/BR8703705A/pt
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Y02A20/20—Controlling water pollution; Waste water treatment
Y02A20/204—Keeping clear the surface of open water from oil spills
BR8703705A1987-07-151987-07-15Processo para utilizacao de escoria de alto forno na retencao de oleos sobrenadantes em aguas correntes
BR8703705A
(pt)
Processo aperfeicoado para substituir refrigerantes contendo pcb em aparelhos de inducao eletrica por refrigerantes dieletricos substancialmente livres de pcb