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Food waste recycling method

A technology of meal waste and biochemical decomposition, applied in chemical instruments and methods, biological sludge treatment, biological water/sewage treatment, etc., can solve the problems of difficult treatment of meal waste, secondary pollution, etc. The effect of bioactive systems, saving land, avoiding the spread of diseases

Inactive Publication Date: 2020-04-14
深圳市星谷环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims at the problems in the prior art that the disposal of food waste is difficult and easily causes secondary pollution, etc., and provides a method for recycling food waste, which can quickly decompose the food waste and obtain recyclable organic fertilizer

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0044] The method for recycling meal waste in the present embodiment includes the following steps:

[0045](1) Concentrated stirring, put 1000kg of meal waste and 50kg of compound biological bacteria preparation into the concentrated stirring tank, make the meal waste and compound biological bacteria preparation react for 2 hours, and keep the temperature in the concentrated stirring tank at 30-35 ℃, Control the oxygen content of food waste in the centralized mixing tank to 5-7g / m 3 .

[0046] (2) Crushing and turning into liquid. After meal waste is concentrated and stirred, it enters the crushing and turning liquid machine, and the meal waste is broken into liquid meal waste liquid in the crushing and turning liquid machine.

[0047] (3) Biochemical decomposition, the liquid meal waste enters the first biochemical tank, and 0.5 kg of compound biological bacteria preparation is added to the first biochemical tank to decompose the liquid meal waste for 7 days, and the tempera...

Embodiment 2

[0061] Example 2 is set on the basis of Example 1. The difference between Example 2 and Example 1 is that in step (4), the first automatic filter, the second automatic filter, the sedimentation tank and the pipeline membrane water purification system Produce concentrated water, add 0.2kg of compound biological bacteria preparation to the produced concentrated water, and react for 10 days. The compound biological bacteria preparation can convert the concentrated water into concentrated liquid microbial organic fertilizer. The organic fertilizer obtained after biochemical treatment of concentrated water in Example 2 was detected, and the results were shown in Table 2.

[0062] Table 2 organic fertilizer test results after biochemical treatment of concentrated water

[0063]

[0064]

[0065] To sum up, the present invention provides a method for recycling meal waste, which utilizes the meal waste treatment solution provided by the present invention in combination with a co...

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Abstract

The invention discloses a food waste recycling method which comprises the following steps: (1) uniformly mixing food waste and a composite biological bacterium preparation for decomposition reaction,and crushing food waste obtained after the reaction to obtain liquid food waste; wherein the composite biological bacterium preparation comprises a photosynthetic bacterium group, a lactic acid bacterium group, a yeast group, an actinomycete group, a bacillus group, a nitrobacteria group, a phosphate-solubilizing bacterium group and a nitrogen-fixing bacterium group; (2) adding the composite biological bacterium preparation into the liquid food waste for rapid biochemical decomposition; and (3) sequentially carrying out filtration, precipitation and water purification treatment on a reaction solution obtained in the step (3), discharging obtained purified water directly into an urban sewage discharge pipe network or for landscaping irrigation. By utilizing the deodorization and purification effects of the biological bacteria, the reduction, harmlessness and recycling of food waste can be directly realized in the treatment process, the land is saved, the spreading of diseases is avoided, and the ecological environment is improved.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and particularly relates to a method for recycling meal waste. Background technique [0002] With the acceleration of urbanization, more and more people choose to live in cities, but urban life will generate a large amount of domestic waste, and meal waste is an important part of urban domestic waste. How to deal with meal waste is a the challenges of urban life. At present, urban meal waste is mainly based on "end treatment", supplemented by "source treatment". The source treatment of meal waste is mainly to minimize the amount of meal waste generated through "Operation CD-ROM" and other measures. At present, the final disposal of meal waste mainly adopts sanitary landfill and composting. [0003] There are still some deficiencies in the existing end-to-end treatment of meal waste. Sanitary landfill requires a lot of land, which needs to be filled at the designated landfill s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F11/02C02F3/34
CPCC02F1/00C02F1/001C02F1/44C02F3/34C02F9/00C02F11/02C02F2001/007C02F2301/08C02F2303/26
Inventor 卢才明卢养
Owner 深圳市星谷环保科技有限公司