METHOD FOR PRODUCING SOLID LIGNIN

EPO Patent Application EP 3156/409 A1
Application Date: Apr. 19th, 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):
Inventor(s):
ENQVIST, Eric
TARVO, Ville
TIKKA, Panu
WITTMANN, Tobias
WALLMO, Henrik
LITTORIN, Anders
Application Number:
16397529.5
International Classification:
C07G 1/00 (20110101); C08H 7/00 (20110101)
No Pictures Available

CLAIMS

What is claimed is:

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 a aqueous acidic suspension having a consistency of 10- 25 wt-%;- heating the aqueous acidic suspension to a temperature in...

DESCRIPTION

Field of the invention

The present invention relates to a method for producing solid lignin from a starting material containing lignin.
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