C - Chemistry – Metallurgy – 23 – G
Patent
C - Chemistry, Metallurgy
23
G
C23G 1/08 (2006.01) C23F 1/00 (2006.01) C23F 1/16 (2006.01) C23F 1/28 (2006.01) C23G 1/02 (2006.01)
Patent
CA 2235976
The invention relates to a method of pickling or surface treating a metal in an aqueous solution containing nitric acid wherein hydrogen peroxide is supplied to decrease the formation of nitrous fumes. At least a portion of the hydrogen peroxide is supplied by spraying or flushing an aqueous solution thereof directly on the metal through one or several separate nozzles (18a, 18b, 19a, 19b).
L'invention concerne une méthode de dérochage ou de traitement de surface d'un métal dans une solution aqueuse contenant de l'acide nitrique. La méthode consiste à fournir du peroxyde d'hydrogène pour diminuer la formation de vapeurs nitreuses. Au moins une partie du peroxyde d'hydrogène est fournie par pulvérisation ou injection d'une solution aqueuse correspondante directement sur le métal par une ou plusieurs buses distinctes (18a, 18b, 19a, 19b).
Berglind Troy
Frestad Arne
Akzo Nobel N.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
Method of treating a metal does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of treating a metal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of treating a metal will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1845524