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System and method for preparing novel biomass carbon source through enhanced anaerobic fermentation of organic garbage

A biomass carbon source, organic waste technology, applied in fermentation, organic fertilizer, fatty material recovery and other directions, can solve the problems of low effective COD equivalent, poor product stability, high production cost, and achieve convenient optimization and product additional High-value, adaptable effects

Pending Publication Date: 2021-08-31
SOUND ENVIRONMENTAL RESOURCES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on the problems existing in the prior art, the purpose of the present invention is to provide a system and method for preparing a new type of biomass carbon source by enhanced anaerobic fermentation of organic waste, which can solve the problem of low effective COD equivalent of the carbon source prepared by the prior art and the product Poor stability and relatively high production costs

Method used

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  • System and method for preparing novel biomass carbon source through enhanced anaerobic fermentation of organic garbage
  • System and method for preparing novel biomass carbon source through enhanced anaerobic fermentation of organic garbage
  • System and method for preparing novel biomass carbon source through enhanced anaerobic fermentation of organic garbage

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Embodiment 1

[0068] see image 3 , this embodiment provides a method for preparing a new type of biomass carbon source by enhanced anaerobic fermentation of organic waste, using the system of the present invention, including:

[0069] Food waste (100t / d, solid content 10%~15%) is fed and pretreated by ultra-high pressure extrusion equipment to make pulp, and impurities (20t / d) are removed by the impurity remover, and the slurry is transported Go to the high-temperature cooking tank for cooking. The heating method is heated by a steam (10t / d) injector. The heating temperature reaches about 70-80°C, and it is kept in the high-temperature cooking tank for 2 hours; The separator separates three phases of solid (12t / d), liquid (74t / d) and oil (4t / d), and the separated crude oil is transported to a biodiesel factory as raw material; the obtained 56t liquid phase organic slurry is used for Biogas is produced by anaerobic fermentation, and the steam produced by the gas-fired boiler is used for sy...

Embodiment 2

[0071] see Figure 4 , this embodiment provides a method for preparing a new type of biomass carbon source by enhanced anaerobic fermentation of organic waste, using the system of the present invention, including:

[0072] Food waste (100t / d, solid content 8%~12%) is fed into organic slurry by gradient extrusion pretreatment of ultra-high pressure extrusion equipment, and then removed by impurity remover to remove impurities (20t / d), the prepared slurry is transported to a high-temperature cooking tank for cooking, steam (10t / d) is used as an external heat source, and the cooked slurry (90t / d) is separated into solid (12t / d) and liquid ( 74t / d) and oil (4t / d) are separated in three phases, the proposed crude oil is sold outside, and the solid phase is used for black soldier fly breeding; the liquid phase (74t / d) enters the directional fermentation tank, and at the same time, 5% to 10 % acetic acid fermentation bacteria, etc., adjust the pH in the directional fermenter to be ...

Embodiment 3

[0074] see Figure 5 , this embodiment provides a method for preparing a new type of biomass carbon source by enhanced anaerobic fermentation of organic waste, using the system of the present invention, including:

[0075] Kitchen waste (100t / d, solid content 10% to 25%) is fed into the slurry by ultra-high pressure extrusion equipment in a gradient extrusion method, and then removed by the impurity remover to remove impurities (10t / d) , the prepared slurry (90t / d) directly enters the saccharification tank, adds 10% cellulase to the saccharification tank for saccharification, enters the directional fermenter after saccharification, and adds 5% acetic acid fermenting bacteria After fermentation, the fermentation liquid is obtained, and the pH in the directional fermentation tank is adjusted between 4.5 and 6, and the fermentation temperature is 25 to 35°C. After the fermentation liquid is separated and purified by a separation and purification device, the concentrated liquid co...

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Abstract

The invention discloses a system and a method for preparing a novel biomass carbon source through enhanced anaerobic fermentation of organic garbage. The system comprises ultrahigh pressure extrusion equipment, an impurity removal machine, three-phase separation equipment, a directional fermentation tank and a separation and purification device, wherein the ultrahigh pressure extrusion equipment is provided with an organic garbage inlet and a discharge port, and the discharge port is sequentially connected with the impurity removal machine, a high-temperature cooking tank, centrifugal separation equipment, the directional fermentation tank and the separation and purification device; and the separation and purification device is provided with a biomass carbon source outlet. By arranging the ultrahigh pressure extrusion equipment, the impurity removal machine, the high-temperature cooking tank, the three-phase separation equipment, the directional fermentation tank and the separation and purification device which are connected in sequence, a system capable of sequentially carrying out extrusion, impurity removal, three-phase separation, fermentation and separation and purification treatment on the organic garbage to prepare a biomass carbon source product is formed. The system has the advantages of high fermentation efficiency, high added value of products, energy conservation, environmental protection, convenience in optimization, high adaptability and the like.

Description

[0001] This application claims the priority of the Chinese patent application submitted to the China Patent Office on March 16, 2021, with the application number 202110282859.6, and the title of the invention is "System and method for preparing new biomass carbon source by enhanced anaerobic fermentation of organic waste", and Request the priority of the Chinese patent application submitted to the China Patent Office on March 16, 2021, with the application number 202120543450.0, and the utility model name "System for the preparation of new biomass carbon sources by enhanced anaerobic fermentation of organic waste", the entire content of which Incorporated in this application by reference. technical field [0002] The invention relates to the field of organic waste treatment, in particular to a system and method for preparing a novel biomass carbon source through enhanced anaerobic fermentation of organic waste. Background technique [0003] At present, the common treatment m...

Claims

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Application Information

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IPC IPC(8): C12P5/02C12P7/56C12P7/54C12P7/52C11B13/00C05F9/02A01K67/033A23K10/26A23K10/37A23K50/90
CPCC12P5/023C12P7/56C12P7/54C12P7/52C11B13/00C05F9/02A01K67/033A23K10/26A23K10/37A23K50/90Y02W30/74Y02P60/87Y02A40/20Y02E50/30
Inventor 刘峰贺北平吴朝锋冯立浩刘洋王笑毛友泽申欢马洪杰
Owner SOUND ENVIRONMENTAL RESOURCES
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