METHOD FOR PRODUCING PULP AND AT LEAST ONE ORGANIC LIQUID OR LIQUEFIABLE VALUABLE MATERIAL WITH EXHAUST GAS RECYCLING

WIPO Patent Application WO/2011/138355

A3

The present invention relates to an integrated method for producing pulp and at least one organic liquid or liquefiable valuable material, in which a) a lignocellulosic starting material is prepared and subjected to disruption with an aqueous-alkaline treatment medium, b) from the disrupted material a cellulose-enriched fraction and a cellulose-depleted black liquor are isolated, c) the black liquor is subjected to a treatment with at least one organic liquid or liquefiable valuable material and at least one exhaust gas stream being obtained, d) at least one of the exhaust gas streams of step c) is recirculated to the method for producing pulp and utilized.

PROCHAZKA ROMAN (DE)
BITTERLICH STEFAN (DE)
DEUERLEIN STEPHAN (DE)
MACHHAMMER OTTO (DE)
KLINGLER DIRK (DE)
PANTOUFLAS EMMANOUIL (DE)

PCT/EP2011/057098

January 12, 2012

May 04, 2011

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BASF SE (DE)
PROCHAZKA ROMAN (DE)
BITTERLICH STEFAN (DE)
DEUERLEIN STEPHAN (DE)
MACHHAMMER OTTO (DE)
KLINGLER DIRK (DE)
PANTOUFLAS EMMANOUIL (DE)

D21C3/02; C10G1/00; C10G1/02; C10G1/06

WO2010026244A1	2010-03-11
WO1990006964A1	1990-06-28
WO1982001902A1	1982-06-10
WO2009135999A1	2009-11-12
WO2010037178A1	2010-04-08

US20090218061A1	2009-09-03
US3762989A	1973-10-02
US4420644A	1983-12-13
US20060201641A1	2006-09-14
GB664811A	1952-01-16

REITSTÖTTER, KINZEBACH & PARTNER (Ludwigshafen, DE)

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