Method for completely dissolving lignocellulose biomass, device and application thereof

Method for completely dissolving lignocellulose biomass, device and application thereof

  • CN 101,235,095 A
  • Filed: 08/03/2007
  • Published: 08/06/2008
  • Est. Priority Date: 08/03/2007
  • Status: Active Grant
First Claim
Patent Images

1. the method for a completely dissolving lignocellulose biomass may further comprise the steps:

  • (1) lignocellulose biomass being placed weight concentration is 1.9%~

    10% alkaline aqueous solution, and the solid-liquid volume ratio is 0.003~

    1.1;

    1;

    (2) pure water is heated to 329~

    367 ℃

    ;

    (3) mixing step (1) and (2) gains place reactor, biomass concentration is 0.1%~

    35.1%, regulate mixed material pH value>

    11.4, setting pressure is 14~

    106Mpa, quickly heat up to 329~

    367 ℃

    , heating rate is 7~

    16 ℃

    /s, gets final product completely dissolving lignocellulose biomass in 0.7~

    2 second.

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