Title:
DEVICE FOR WATER SAVING AND EMISSION REDUCTION TECHNOLOGY OF ALKALI-PRETREATED LIGNOCELLULOSE ENZYMOLYSIS AND SACCHARIFICATION
Document Type and Number:
WIPO Patent Application WO/2019/095698
Kind Code:
A1
Abstract:
A device for a water saving and emission reduction technology of alkali-pretreated lignocellulose enzymolysis and saccharification comprises an alkaline liquid storage tank (1), a first metering pump (3), a pretreatment tank (2), a first centrifuge (6), an enzymolysis tank (7), a second metering pump (9) and an enzyme liquid storage tank (8) that in sequential communication. A liquid outlet (6.3) of the first centrifuge (6) is in communication with a pretreatment waste liquid storage tank (13), a primary washing wastewater storage tank (14), a secondary washing wastewater storage tank (15) and a third washing wastewater storage tank (16) in parallel by means of pipelines and valves. Bottom liquid outlets of the pretreatment waste liquid storage tank (13) and the primary washing wastewater storage tank (14) are in communication with the pretreatment tank (2) respectively by means of a third metering pump (17), so as to form a circulation loop. Bottom liquid outlets of the secondary washing wastewater storage tank (15) and the third washing wastewater storage tank (16) are in shakeproof communication with the first centrifuge (6) respectively by means of a third centrifugal pump (18), so as to form a circulation loop. The device implements efficient enzymolysis saccharification and water saving and emission reduction of alkali-pretreated lignocelluloses, reduces the water consumption of the lignocelluloses pretreatment residue washing process, decreases waste liquid discharge, and reduces operation costs.
Inventors:
WANG WEN (CN)
ZHUANG XINSHU (CN)
TAN XUESONG (CN)
WANG QIONG (CN)
QI WEI (CN)
YU QIANG (CN)
YUAN ZHENHONG (CN)
WANG ZHONGMING (CN)
ZHUANG XINSHU (CN)
TAN XUESONG (CN)
WANG QIONG (CN)
QI WEI (CN)
YU QIANG (CN)
YUAN ZHENHONG (CN)
WANG ZHONGMING (CN)
Application Number:
PCT/CN2018/092738
Publication Date:
May 23, 2019
Filing Date:
June 26, 2018
Export Citation:
Assignee:
GUANGZHOU INST ENERGY CONVERSION CAS (CN)
International Classes:
C12M1/00; C12P19/14
Foreign References:
| CN108048297A | 2018-05-18 | |||
| CN105838756A | 2016-08-10 | |||
| CN102251428A | 2011-11-23 | |||
| CN105000742A | 2015-10-28 | |||
| CN105296568A | 2016-02-03 | |||
| US20130017585A1 | 2013-01-17 |
Other References:
WANG, WEN ET AL.: "High Conversion of Sugarcane Bagasse into Monosaccharides Based on Sodium Hydroxide Pretreatment at Low Water Consumption and Wastewater Generation", BIORESOURCE TECHNOLOGY, vol. 218, 21 July 2016 (2016-07-21), pages 1230 - 1236, XP029686606, DOI: doi:10.1016/j.biortech.2016.07.074
Attorney, Agent or Firm:
GUANGZHOU KEYUE I.P. LAW OFFICE (CN)
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