Process and plant to extract and concentrate tannins from...

Details Process and plant to extract and concentrate tannins from... Process and plant to extract and concentrate tannins from...

2006-12-05

2006-12-05

Owens, Amelia A. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

07145031

ABSTRACT:
Process and a plant to extract and concentrate tannins from wood and from other solid natural products containing it characterized in that the solid products are subjected to an extraction (1) by percolation with water and/or steam and the thus obtained tannin solution is subjected to nanofiltration (5).

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