METHOD FOR PRODUCING SOLID LIGNIN

USPTO Patent Application US 2017/0101430 A1
Application Date: Apr. 13rd, 2017

ABSTRACT

Lignin-rich starting material is suspended in a first medium, which is acidic and aqueous, to form a aqueous acidic suspension, which is heated and allowed to form two continuous phases,...
Assignee(s):
Application Number:
15/292,079
International Classification:
C07G 1/00 (20060101)
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CLAIMS

We claim:

1. A method for producing solid lignin from lignin-rich starting material, especially lignin precipitate, characterized by suspending the starting material in a first medium, which is acidic and aqueous, to form an aqueous acidic suspension having a consistency of 10-25 weight percent;heating the aqueous acidic suspension to a temperature in the...

DESCRIPTION

CROSS REFERENCES TO RELATED APPLICATIONS

This application claims priority on Finnish Application No. 20155728, Filed Oct. 13, 2015, the disclosure of which is incorporated by reference herein.
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