METHOD AND AN APPARATUS FOR FORMING A LIGNIN FRACTION, A LIGNIN COMPOSITION AND ITS USE

USPTO Patent Application US 2018/0162891 A1
Application Date: Jun. 14th, 2018

ABSTRACT

The invention relates to a method and an apparatus for forming a lignin fraction from crude lignin which has been processed by means of a treatment step selected from enzymatic...
Application Number:
15/577,624
International Classification:
C07G 1/00 (20060101); B01J 37/36 (20060101); C08H 7/00 (20060101); B01J 31/00 (20060101)
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CLAIMS

What is claimed is:

1. A method for forming a lignin fraction from crude lignin which has been processed using enzymatic treatment, treatment with ionic liquid, or the combination thereof, wherein the method comprises: treating the crude lignin by a lignin liberation in at least one lignin liberation step; andseparating a lignin fraction in at...

DESCRIPTION

FIELD OF THE INVENTION

The invention relates to a method and an apparatus for forming a lignin fraction. Further, the invention relates to a lignin composition and its use.
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