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.

Date of Patent:
Dec. 31, 2013

Filed:

Nov. 21, 2011
Applicants:

Rodolfo Romero, Clifton Park, NY (US);

Bertil Stromberg, Diamond Point, NY (US);

Inventors:

Rodolfo Romero, Clifton Park, NY (US);

Bertil Stromberg, Diamond Point, NY (US);

Assignee:

Andritz Inc., Glens Falls, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C13K 1/02 (2006.01); D21B 1/36 (2006.01); D21C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method to treat a lignocellulosic material including: performing a steam explosion reaction on the lignocellulosic material and discharging a slurry from the; adding an alkali material to the slurry in a first conveyor; transferring the slurry with the alkali material from the first conveyor to a second conveyor; adding an enzyme solution to the slurry while in, entering or at the discharge of the second conveyor; transferring the slurry with the enzyme solution from the second conveyor slurry to a mixer; mixing the slurry in the mixer, wherein a second portion of the enzyme solution is added to the slurry during the mixing, and transferring the slurry with the enzyme solution from the mixer to a first reactor vessel wherein the slurry in the first reactor vessel undergoing enzymatic hydrolysis such that the viscosity of the slurry is reduced in the first reactor vessel.


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