The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2015
Filed:
Apr. 23, 2012
Herbert Britz, Berg, DE;
Delphine Delmas, Onetle Chateau, FR;
Herbert Britz, Berg, DE;
Delphine Delmas, Onetle Chateau, FR;
Voith Patent GmbH, Heidenheim, DE;
Abstract
The invention relates to a method for removing solid matter, in particular impurities, by means of flotation from a fibrous material suspension (S), wherein the fibrous material suspension (S) is mixed with gas (L), and wherein in at least two flotation chambers (″″) flotation foam () is formed that collects solid matter and removes it from the flotation chamber. The flotation foam () of at least one flotation chamber (″″) is at least partially conducted into at least one other flotation chamber (), in particular in the flotation foam () formed therein. According to the method, the complexity can be reduced, even with high requirements regarding effect and yield.