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US20080028675: Biomass treatment of organic waste materials in fuel production processes to increase energy efficiency

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Filing Information

Inventor(s) Robert Clifford · John Mills · Michael Gratz ·
Assignee(s) NBE,LLC ·
Correspondent Mark A. Litman & Associates, P.A.;York Business Center ·
Application Number US11881145
Filing date 07/25/2007
Publication date 02/07/2008
Predicted expiration date 05/10/2025
U.S. Classifications 44/605  · 435/170  · 422/119  ·
International Classifications C10L308  ·
Kind CodeA1
32 Claims, 2 Drawings


Abstract

A method, system, apparatus and program extracts energy from organic residual materials produced by the manufacturing of biofuels. Energy is extracted from the biofuels residuals using anaerobic bioconversion to produce a fuel for use in the manufacturing process for producing synthetic biofuel or as an additional energy product for sale comprises: providing at least one bioconversion tank for conversion of organic waste material, the bioconversion tank containing an active biomass comprising at least one bacteria that decomposes organic material; providing at least one inlet to the bioconversion for organic material; a processor that receives and stores information on: the status of chemical oxygen demand of the active biomass; and the oxygen provision capability of any organic material that can be fed into the bioconversion tank through an inlet; a mass flow control system controlled by the processor which feeds at least one organic material through an inlet at a rate based at least in part upon the status of chemical oxygen demand in the bioconversion tank as recognized by the processor.

Independent Claims | See all claims (32)

  1. 1. A method of bioconversion of organic waste material from a synthetic fuel manufacturing process that requires energy input in the performance of the synthetic fuel manufacturing process, the method comprising: providing a tank for bioconversion of organic waste material, at least some of which organic waste material is derived from a synthetic fuel manufacturing process, the tank containing an active biomass comprising at least one bacteria that decomposes organic material; providing one or more inlets to the bioconversion tank, comprising an inlet for organic material from the synthetic fuel manufacturing process a processor receiving and storing information automatically or manually input to the processor on: the status of chemical oxygen demand and/or biological oxygen demand of the active biomass; and the oxygen provision capability of an organic material that can be fed into the bioconversion tank through any inlet; the processor exercising control over a mass flow control system which feeds the at least one organic material through an inlet, the processor directing mass flow at a rate based at least in part upon the status of chemical oxygen demand in the bioconversion tank as recognized by the processor from received information; a stream carrying combustible gases from the biomass; and the stream providing at least some of the energy input in the performance of the synthetic fuel manufacturing process.
  2. 3. (canceled)
  3. 6. (canceled)
  4. 7. (canceled)
  5. 8. (canceled)
  6. 9. (canceled)
  7. 10. (canceled)
  8. 11. (canceled)
  9. 12. An organic bioconversion system for providing energy to a synthetic biofuel manufacturing process comprising: a) at least a first organic material storage tank for a first organic material; b) an aqueous stream input source; c) a bioconversion tank having a controlled input connection from a) and a controlled input connection from b), and containing an active biomass that comprises bacteria capable of decomposing the first organic material from the first organic material storage tank; d) a processor that controls the input connections from a) and from b); e) a sensing system that determines the chemical oxygen demand of the active biomass in the bioconversion tank and controls flow of at least the first organic material through the input connection from a) to provide oxygen from the first organic material is provided to the active biomass in the bioconversion tank at a rate sufficient to support health of the bacteria in the bioconversion tank; f) an aqueous stream outlet from the bioconversion tank; and g) a gaseous stream outlet from the bioconversion tank that is stored and then fed or directly fed to an oxidizing system that produces energy for the synthetic biofuel manufacturing process having a nutrient sensing system that detects levels of nutrients in at least one of the biomass in the bioconversion tank and an aqueous stream passing into or through the aqueous stream output and information from the nutrient sensing system to the processor, and the processor determines levels of nutrients that should be provided to the active biomass in the bioconversion tank, and wherein the processor may contain software that determines levels of nutrients that should be provided to the active biomass in the bioconversion tank from sensed data from the nutrient sensing system and controls flow of nutrients into the bioconversion tank to provide nutrients in a quantity determined by the software, and wherein nutrients sensed may comprise at least one nutrient selected from the class consisting of available nitrogen and available phosphorous and wherein the gaseous stream outlet may be connected to a gas stream separation system that can increase the concentration of methane in a first concentrated stream and can increase the concentration of carbon dioxide in a second concentrated stream.
  10. 13. (canceled)
  11. 14. (canceled)
  12. 15. (canceled)
  13. 17. (canceled)
  14. 18. (canceled)
  15. 20. (canceled)
  16. 22. (canceled)
  17. 23. (canceled)
  18. 24. (canceled)
  19. 25. A method of reducing total external energy requirements input into the operation of a system requiring energy input comprising: providing organic materials to a bioconversion process; performing a bioconversion process on the organic materials; producing combustible volatile organic material from the bioconversion process; and providing input energy to the operation of the system by oxidizing the combustible volatile organic material from the bioconversion process, and wherein the organic material may comprise at least 10% by weight water during the bioconversion process and at least some water is added with the organic materials provided to provide a total water content during the bioconversion, and wherein water may be added with the organic material at an average rate over time and wherein over periods of time the average rate water added with the organic material may be decreased by recirculation of residual water from the bioconversion process.
  20. 26. (canceled)
  21. 27. (canceled)
  22. 28. (canceled)
  23. 29. (canceled)
  24. 30. (canceled)
  25. 31. (canceled)

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