Concept for slurry separation and biogas production

A technology of biogas and biogas fermentation, which is used in products, educts, biological sludge treatment, etc.

Inactive Publication Date: 2004-01-28
GFE PATENT AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These conditions are not met in conventional biogas plants

Method used

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  • Concept for slurry separation and biogas production
  • Concept for slurry separation and biogas production
  • Concept for slurry separation and biogas production

Examples

Experimental program
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Effect test

Embodiment Construction

[0195] The invention relates to a number of independent aspects as described below.

[0196] The first aspect (disinfection)

[0197] The first aspect includes a system consisting of a first device, a stable or stall for housing animals including livestock such as pigs and cattle, and / or a second device primarily for stripping ammonia and pretreating substrates. device and / or a third device consisting primarily of an energy device for improving energy production from a substrate.

[0198] The system preferably consists of an animal stable, a stripping tank and a biogas reactor. Other components may include for adding CaO or Ca(OH) to the slurry 2 plants, absorption towers operating on eg sulfuric acid, storage tanks for ammonia concentrate and storage tanks for digested slurries.

[0199] The biogas produced can ideally be used to generate electricity and heat in gas engines and generators, preferably to sell the electricity to the grid, and preferably use the heat to heat ...

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Abstract

The present invention concerns an anaerobic digestion of animal manures, energy crops and similar organic substrates. The process is capable of refining nutrients comprised in the digested biomass to fertilizers of commercial quality. The invention also provides a method for processing animal carcasses or fractions thereof including meat and bone meal etc., with the objective of providing an alternative means for processing the organic waste material of animal origin while at the same time facilitating the production of fertilizers. The risk of spreading BSE prions or any other prions to animals or humans is thus substantially reduced if not eliminated. The biogas and slurry separation system according to the present ivnention is preferably integrated with the operations of animal husbandries into a total concept in which the internal and external performances of animal husbandries are optimised. The internal performances concern quality aspects related to the management of the animalhouses and include industrial hygiene, animal welfare, gaseous and dust emissions and food safety. The external performances concern mainly energy production and emissions to the environment of nutrients and greenhouse gases and the sale of high quality food product.

Description

technical field [0001] A first aspect of the invention relates to anaerobic digestion of animal manure, energy crops and similar organic substrates. The method enables the refining of nutrients contained in digested biomass into industrial-grade fertilizers. It is preferable to integrate the biogas and slurry separation system of the present invention with the operation of the livestock industry into an overall solution capable of optimizing the internal and external behavior of the livestock industry. [0002] Another aspect of the invention is the potential application of animal waste in the form of animal carcasses, slaughterhouse waste, meat and bone meal, and the like. The waste is refined at the factory into fertilizer, which is applied to the fields. Even if BSE prions or other prions cannot be completely eliminated in the whole process, the possible content of BSE prions or other prions can be greatly reduced. In the solution of the present invention, the animal pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C3/00A01C3/02A61L2/00A61L2/04A61L2/16A61L2/18A61L11/00B01D53/14C02F1/20C02F1/58C02F1/66C02F11/00C02F11/02C02F11/04C02F11/18C05B7/00C05B15/00C05C3/00C05D1/00C05F1/00C05F1/02C05F3/00C05F3/06C05F11/00C05F17/00C10L3/06
CPCC02F2103/22Y02E50/343C02F1/20A01C3/00C12M23/36A61L2/04C05F17/0018C02F11/185A61L2/16C02F11/04C02F1/66C12M21/04C05F17/0027A61L2/0023C05F3/00A61L11/00A61L2/0082C12M45/06C12M47/02C05F17/009Y02P20/145C05F17/80C05F17/40C05F17/50Y02A40/20Y02E50/30Y02P20/129Y02P20/133Y02W10/20Y02W30/40C05F11/00
Inventor 托本·A·邦德拉斯·J·佩德森
Owner GFE PATENT AS
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