Energetic approach of biomass hydrolysis in supercritical water

被引:29
作者
Cantero, Danilo A. [1 ,2 ]
Vaquerizo, Luis [1 ]
Mato, Fidel [1 ]
Dolores Bermejo, M. [1 ]
Jose Cocero, M. [1 ]
机构
[1] Univ Valladolid, Dept Chem Engn & Environm Technol, High Pressure Proc Grp, EII Sede Mergelina, E-47011 Valladolid, Spain
[2] Natl Univ Cordoba, Fac Exact Phys & Nat Sci, Dept Appl & Ind Chem, RA-5000 Cordoba, Argentina
关键词
Biomass; Biorefinery; Glucose; Flash; Steam Injection Gas Turbine; VAPOR-LIQUID-EQUILIBRIUM; CELLULOSE; GLUCOSE; COGENERATION; PRESSURES; FRUCTOSE; FUELS;
D O I
10.1016/j.biortech.2014.12.006
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Cellulose hydrolysis can be performed in supercritical water with a high selectivity of soluble sugars. The process produces high-pressure steam that can be integrated, from an energy point of view, with the whole biomass treating process. This work investigates the integration of biomass hydrolysis reactors with commercial combined heat and power (CHP) schemes, with special attention to reactor outlet streams. The innovation developed in this work allows adequate energy integration possibilities for heating and compression by using high temperature of the flue gases and direct shaft work from the turbine. The integration of biomass hydrolysis with a CHP process allows the selective conversion of biomass into sugars with low heat requirements. Integrating these two processes, the CHP scheme yield is enhanced around 10% by injecting water in the gas turbine. Furthermore, the hydrolysis reactor can be held at 400 degrees C and 23 MPa using only the gas turbine outlet streams. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:136 / 143
页数:8
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