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Liquid ammonia explosion treatment of wood fibers

  • US 20030150065A1
  • Filed: 07/30/2002
  • Published: 08/14/2003
  • Est. Priority Date: 12/30/1998
  • Status: Abandoned Application
First Claim
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1. A process comprising:

  • providing a cellulosic fibrous material, said fibrous material having been processed such that the lignin content has been reduced therein;

    charging a vessel with a composition comprising said cellulosic fibrous material;

    charging the vessel with ammonia at a pressure sufficient to cause the ammonia to penetrate cellulosic fibers in the cellulosic fibrous material; and

    rapidly depressurizing the fibrous material.

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