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:
Jun. 25, 1985
Filed:
Feb. 06, 1984
Applicant:
Inventor:
Sture Eriksson, Karlstad, SE;
Assignee:
Armerad Betong Vagforbattringar Aktiebolag, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10F / ; C10F / ; C10F / ;
U.S. Cl.
CPC ...
44 32 ; 44 30 ; 44 33 ; 37-3 ; 110263 ; 431-2 ;
Abstract
A cake of biomass, preferably a peat cake, is dewatered by being pressed at a temperature above 90.degree. C., whereby the water in the cake is displaced by warmer water under successively increased pressure. An apparatus designed as a closed wash press is then used, in which the cake is subjected to dewatering, washing or displacement by warmer water and consequently heating as well as roller pressing.