Method and device for the anaerobic fermentation of organic material

An organic material, anaerobic fermentation technology, applied in the direction of organic chemistry, biochemical equipment and methods, waste fuel, etc., can solve the problem of renewable energy loss, etc., and achieve the effect of effectively killing microorganisms and high biological activity

Active Publication Date: 2008-06-18
ORGANIC WASTE SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

resulting in a loss of renewable energy

Method used

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  • Method and device for the anaerobic fermentation of organic material
  • Method and device for the anaerobic fermentation of organic material
  • Method and device for the anaerobic fermentation of organic material

Examples

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[0048] Fermenter 1 has 2000m 3 (usable volume) of the total fermentation room filled with fermented organic material, 100m 3 of fresh organic materials and 300m 3 part of the fermented material that was used as a spoiling agent during the daily supply. It can be assumed that the supply of water and / or steam required to obtain the desired content of dry matter in the mixing pump is equal to the generated wet biogas tonnage.

[0049] In this way, 300m 3 Part of the fermented material is removed daily from the fermenter 1 via the return opening 12 and the recovery line 13 . Since the recovery line 13 opens at a height above the outlet 9 in the tank 1, the spoilage agent is formed from partially fermented material rich in active bacteria, and the organic material is completely decomposed when it is taken out of the fermenter 1 via the outlet 9 , For this reason the bacteria have become rather less active than in the case.

[0050] The fresh material and modificator are furthe...

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PUM

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Abstract

Method for the anaerobic fermentation of organic material, whereby the organic material to be fermented is put in a fermentation tank (1) together with an inoculant and moves or is moved from an inlet (6) of the fermentation tank (1) to an outlet (9) thereof, whereby the fermented material is removed from the tank (1) via the outlet (9), characterized in that a fraction of the fermenting material which is situated between the inlet (6) and the outlet (9) is removed from the fermentation tank (1) via a return opening (12) and is used as an inoculant, while the fermenting material between the return opening (12) and the outlet (9) is still after-fermented for a certain while before it is removed from the fermentation tank (1) via the outlet (9).

Description

technical field [0001] The present invention relates to a method for the anaerobic fermentation of biodegradable organic material, whereby fresh organic material is mixed for anaerobic fermentation with a quantity of partially fermented material as active modifier. Background technique [0002] In this case, organic material is a biodegradable non-liquid material, especially a variety of agricultural crops, or not specially grown for energy production, or the organic components of household waste, similar industrial waste or other organic components, such as water treatment Equipment sludge, paper mill sludge, green waste, garden waste, organic waste streams from crops to generate bioenergy, or other biodegradable components that contain at least 15% dry matter or can be piled up. [0003] In general, there are different methods of anaerobic fermentation. Thus, the organic stream can be mesophilic (approx. °C) or thermophilic (approximately 50 to 60 °C) conditions. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/107C02F11/04C07G99/00
CPCY02E50/343C12M21/04C12M29/18Y02E50/30
Inventor L·A·O·M·德巴尔P·L·M·斯米斯J·R·G·斯米斯
Owner ORGANIC WASTE SYST
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