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(11)    Patent No :    AP 2242   
(21)    Application No :    AP/P/2007/004142   
(22)    Filing Date :    13.02.2006   
(24)    Date of Grant &    03.06.2011   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
EP    05075352.4    11.02.2005

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 

(73) Applicant(s)

STICHTING DIENST LANDBOUWKUNDIG ONDERZOEK,

Costerweg 50, 6701 Wageningen,
The Netherlands

NEDERLANDSE ORGANISATIE VOOR
TOEGEPASTNATUURWETENSCHAPPELIJK ONDERZOEK

TNO, Schoemakerstraat 97, NL- 2628 VK Delft,
The Netherlands
(72) Inventors
TECHNO INVENT INGENIEURSBUREAU VOOR BAKKERMILIUTECHNIEKRobert,Reurd,B.V .Christophor,MipelgaardeThe12, NL-2723 BG NetherlandsZoetermeer,
The Netherlands
HAZEWINKEL Jacob Hendrik Obbo, The
Netherlands

VAN GROENESTIJN Johannes Wouterus, The
Netherlands

et al

(74) Representative

HONEY & BLANCKENBERG
 

(51)    International  Classification   D21C11/00 (2006.01)
(54)    Title

Process and apparatus for conversion of biomass

(57)    Abstract

The invention is directed to a process for the conversion of cellulosic biomass, in particular lignocellulose-containing biomass into fermentable sugars. The invention is further directed to apparatus suitable for carrying out such processes. According to the invention biomass is converted into fermentable sugars by contacting in a reactor said biomass with an acid, while passing an inert gas stream capable of taking up water through said reactor, by which the pH in said reactor can be controlled.

(56)    Documents Cited :    WO 94/23071 A    US 6 239 198 B1

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