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. 11, 2024
Filed:
Dec. 20, 2022
Valmet Technologies Oy, Espoo, FI;
Juha-Pekka Huhtanen, Tampere, FI;
Tuomo Aho, Tampere, FI;
VALMET TECHNOLOGIES OY, Espoo, FI;
Abstract
The invention relates to a system of producing MFC (micro fibrillated cellulose) having a process device () of a pulper, a refiner or a screen configured to process MFC suspension to consistency of 0.5-5%. The system has a continuous pressing means () configured to dry the MFC suspension to a consistency of 6-60%. A method of producing MFC has at least one process stage () which processes a MFC suspension to a consistency of 0.5-5% by a process device (). In the process stage the MFC suspension is pulped in a pulping stage in a pulper and/or refined in a refining stage by a refiner and/or screened in a screening stage by a screen. The MFC suspension having the consistency of 0.5-5% is dried in a drying stage of continuous pressing () by continuous a pressing device () to a consistency of 6-60%.