Resources Contact Us Home
System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process

Image Number 9 for United States Patent #8057639.

A system has been developed for pretreating cellulosic biomass feed stock including: a first pressurized reactor receiving the feed stock, wherein the feed stock undergoes hydrolysis in the first pressurized reactor; a sealing device having a first pressurized coupling to a feedstock discharge port of the first pressurized reactor, and a second pressurized coupling to a second pressurized reactor; a drain for a liquid including dissolved hemi-cellulosic material extracted from the feed stock in at least one of the first pressurized reactor and the sealing and extraction device; the second pressurized reactor assembly receiving the pressurized feed stock from the sealing device at a pressure substantially greater than the pressure in the first pressurized reactor, wherein cells of the feed stock are infused with water in the second pressurized reactor, and an expansion device downstream of the second pressurized reactor assembly, wherein the expansion device rapidly releases the pressure of the feed stock discharged from the second pressurized reactor such that the feed stock undergoes a steam explosion reaction.

  Recently Added Patents
Cationic polymers for antimicrobial applications and delivery of bioactive materials
Self-service channel marketplace
Method for etched cavity devices
Information processing apparatus, non-transitory computer-readable recording medium, and information processing method
Recombinant vectors for use in position-independent transgene expression within chromatin
Methods and apparatus to provide haptic feedback
Soybean cultivar CL0911444
  Randomly Featured Patents
Registered microperforated films for modified/controlled atmosphere packaging
Optical information recording medium
System, method, and product for dynamically propagating translations in a translation-memory system
Aqueous dispersion of epoxy groups-bearing multi-stage polymeric particles
Racemic compound and anti-ferroelectric liquid crystal composition containing the compound
Method of forming a microelectronic device having a cavity smaller than lithographic tolerances
Storage unit and storage unit subsystem
Multilayer balun transformer structure
Methods for solving the traveling salesman problem
Method of producing semiconductor member and method of producing solar cell