Abstract

The present invention provides a method for treatment of lignocellulosic organic waste or biomass, by which the carbohydrates are rendered more available for subsequent hydrolysis, e.g. by means of addition of enzymes or direct fermentation to one or more desired products. The invention more specifically relates to a method comprising a combination of the following …

Legal parties

Party
Inventors (applicants): Birgitte Kiær Ahring, Jens Munck
Assignees (initial): Cambi Bioethanol APS (Copenhagen NV, DK)
Agents: B. Aaron Schulman, Esq. (attorney), Stites & Harbison, PLLC. (attorney)

The application was examined by David M Brunsman (USPTO dept. 1732)

Claims

  • 1. Method for treatment of a material consisting of biomass or organic waste containing lignocellulosic …
  • 2. Method according to claim 1 , wherein the method is carried out as a batch …
  • 3. Method according to claim 1 or 2 , wherein the material contains more …

International priority data

DK: 2004 01459 / Sep. 24, 2004 (national)

Cited documents

Patents

  • Moses et al. US 2690425 A, Sep. 1, 1954
  • Foody US 4461648 A, Jul. 1, 1984
  • Holtzapple et al. US 5865898 A, Feb. 1, 1999
  • WO WO 00/01420 A1, Jan. 1, 2000
  • JP 2002126794, May. 1, 2002
  • Holtzapple et al. US 5171592 A, Dec. 1, 1992
  • Ahring et al. US 6555350 B2 / 435/162, Apr. 1, 2003
  • Wingerson US 6419788 B1 / 162/14, Jul. 1, 2002
  • JP 2003039045, Feb. 1, 2003

Drawings

Brief Description of the Drawings

FIG. 1 is a graph showing the relationship between pressure and temperature in the treatment of straw. FIG. 2 is a graph showing the COD fraction resulting from the oxidation …

Description

Introduction

Within the last few decades focus on renewable resources has increased considerably. The complex chemical structure of biomass and other organic materials, primarily the bonds between lignin, cellulose and hemicellulose …

Combined Thermal Hydrolysis, Wet Oxidation (Hydrogen Peroxide) and Wet Explosion of Straw

Experiments were carried out with 0%, 2%, 4%, 6%, 12% and 18% hydrogen peroxide respectively at temperatures of 170° C. The experiments were carried out so that on the day before …

Effect of Temperature

In order to evaluate the effect of the temperature in relation to the glucose, xylose and ethanol yields, experiments were conducted with straw pellets utilizing 25 bar of atmospheric air as the oxidizing …

More details about Method for Treating Biomass and Organic Waste With the Purpose of Generating Desired Biologically Based Products

Miscellaneous patent data

The application number is 11/575,868 (U.S.), invented by Birgitte Kiær Ahring et al., the recorded applicant's name is Munck Jens, similar documents are classified under Glucose, Glucose-containing syrups, obtained by saccharification of starch or raw materials containing starch, Settling or flotation, Sugars not otherwise provided for in this class, Miscellaneous, Seeding, Acid reagent followed by precipitant, Apparatus, Lactose, Crystallisation, assigned to a foreign company or corporation, the known inventor's name is Jens Munck, the term of the patent was extended by 1158 days, the application publication date is Sep. 23, 2005, the grant date is Aug. 13, 2013 (publication date), illustrated by 5 drawings, explained by 5 figures, the claim 1 is exemplary as chosen by the examiner, the known agent's organization is Stites & Harbison, PLLC., the exemplary patent drawings are Graph showing the yield of glucose, Method for Treating Biomass and Organic, Graph showing the COD fraction, Graph showing the total yield, the invention is named Method for Treating Biomass and Organic Waste With the Purpose of Generating Desired Biologically Based Products, categorized under Cellulose material as a primary classification, located in Copenhagen NV (DK), the assignee company is Cambi Bioethanol APS, claims 1-13 comprise the invention scope, the examination was conducted by David M Brunsman (primary examiner, 1732 USPTO department), the grant number is 08506716 (publication number), particularly claims method for treatment of a material consisting of biomass or organic waste…

Invention classification information

The invention is classified under Cellulose material, obtained by saccharification of cellulosic materials. The designated search classifications include Sugar manufacture and refining, Defibration by projection or explosion, Chemical treatment, Hydrolysis of carbohydrates, Per-compound, Cellulose material, Extracting from solid material, Counterflow, Oxygen, ozone or air.

Patent details
Publication number 08506716
Publication date Aug. 13, 2013
Kind code B2
Application number 11/575,868
Application date Sep. 23, 2005
Application type U
Application series code 11
Int. pub. country WO
Int. pub. number WO2006/032282
Int. publication Mar. 30, 2006
Int. filing country WO
Int. filing PCT/DK2005/000603
Filed internationally Sep. 23, 2005
National stage date Nov. 23, 2007
Extension term 1158
National classification 127/37
Total number of claims 13
Exemplary claims 1
Number of drawings 5
Number of figures 5
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