发明名称 |
PROCESS FOR THE PRODUCTION OF OPTIMISED LIQUEFIED LIGNOCELLULOSIC SUBSTRATE |
摘要 |
The present invention concerns a production of liquefied lignocellulosic substrate by enzymatic reaction. 10% to 40% by weight dry matter of pre-treated lignocellulosic substrate is contacted, with water and enzymes at 0.1 to 60 mg of enzymes per gram of cellulose for a period of 1 to 24 hours. Over time, at least the value of one of the rheological characteristics of the reaction medium is measured. If a reduction of the value is detected over time, the following step a) is carried out:
a) the feeding flow rate of pre-treated lignocellulosic substrate is increased, with or without modification of the flow rate of enzymes and/or water;
If an increase of the value is detected over time, a step b) is carried out:
b) the feeding flow rate of water and/or enzymes is increased, with or without modification of the flow rate of pre-treated lignocellulosic substrate. |
申请公布号 |
US2014377812(A1) |
申请公布日期 |
2014.12.25 |
申请号 |
US201214364081 |
申请日期 |
2012.11.29 |
申请人 |
IFP ENERGIES NOUVELLES |
发明人 |
Louret Sylvain;Rousset Romain |
分类号 |
C12P19/14;C12P19/02 |
主分类号 |
C12P19/14 |
代理机构 |
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代理人 |
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主权项 |
1. A process for the production of liquefied lignocellulosic substrate by enzymatic reaction, in which 10% to 40% by weight dry matter of pre-treated lignocellulosic substrate is brought into contact, with agitation, with water and with enzymes at a concentration in the range 0.1 to 60 mg of enzymes per gram of cellulose for a period in the range 1 to 24 hours, said process being characterized in that over time, at least the value of one of the rheological characteristics of the reaction medium is measured and in that if a reduction in said value is detected over time, the following step a) is carried out:
a) the feeding flow rate of pre-treated lignocellulosic substrate is increased, with or without modification of the flow rate of enzymes and/or water; and in that if an increase in said value is detected over time, a step b) is carried out as follows: b) the feeding flow rate of water and/or enzymes is increased, with or without modification of the flow rate of pre-treated lignocellulosic substrate. |
地址 |
RUEIL-MALMAISON CEDEX FR |