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Method for treating fermentation waste liquid of marigold flowers

A technology of fermentation waste liquid and treatment method, which is applied to fertilizers, applications, and organic fertilizers made of biological waste, and can solve problems such as crop death, large sewage treatment costs, and complex components.

Inactive Publication Date: 2017-11-03
FUZHOU LYUZHOU BIOCHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of fermenting marigold flowers to extract natural lutein, the amount of waste liquid discharged is very huge, which has become the biggest constraint factor for the development of this industry, and may even lead to the decline of this industry
The pH value of this waste liquid is generally 4.0-6.0, and it also contains a large amount of various macromolecular organic substances with complex components. Direct discharge will pollute the soil and cause the death of crops.
If the traditional sewage treatment method is used to treat the waste liquid into standard water and discharge it, on the one hand, a large amount of potential organic nutrients and mineral nutrients in the waste liquid will be wasted; Huge pressure came, and even made it difficult for enterprises to sustain production

Method used

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  • Method for treating fermentation waste liquid of marigold flowers
  • Method for treating fermentation waste liquid of marigold flowers
  • Method for treating fermentation waste liquid of marigold flowers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] like figure 2 As shown, the treatment method of marigold flower fermentation waste liquid:

[0023] (1) take by weighing each component on the basis of the weight of the marigold flower fermentation waste liquid to be treated: 100t marigold flower fermentation waste liquid (water content 95.0%, water-soluble organic matter content is 3.0%, pH=4.0), take by weighing 0.2t organic carbon bacteria liquid, 0.5t potassium hydroxide and 0.002t Bacillus coagulans inoculum;

[0024] (2) above-mentioned marigold flower fermentation waste liquid, organic carbon bacteria liquid, potassium hydroxide and bacillus coagulans inoculum are mixed to obtain mixed solution;

[0025] (3) under the condition of room temperature, in the above-mentioned mixed solution, uniformly and continuously pass into the air with the ventilation rate of 0.030L / L*min and stop the ventilation after 8d treatment to obtain the treated liquid;

[0026] (4) liquid is carried out solid-liquid separation with a...

Embodiment 2

[0029] like figure 2 As shown, the treatment method of marigold flower fermentation waste liquid:

[0030] (1) take by weighing each component on the basis of the weight of the marigold flower fermentation waste liquid to be treated: 100t marigold flower fermentation waste liquid (water content 97.0%, water-soluble organic matter content is 1.5%, pH=5.0), take by weighing 0.15t organic carbon bacteria liquid, 0.4t potassium hydroxide and 0.002t Bacillus coagulans inoculum;

[0031] (2) above-mentioned marigold flower fermentation waste liquid, organic carbon bacteria liquid, potassium hydroxide and bacillus coagulans inoculum are mixed to obtain mixed solution;

[0032] (3) under room temperature conditions, in the above-mentioned mixed solution, uniformly and continuously pass into the air with the ventilation rate of 0.025L / L*min and stop the ventilation after 7d treatment to obtain the treated liquid;

[0033] (4) liquid is carried out solid-liquid separation with above-...

Embodiment 3

[0036] like figure 2 As shown, the treatment method of marigold flower fermentation waste liquid:

[0037] (1) take by weighing each component on the basis of the weight of the marigold flower fermentation waste liquid to be treated: 100t marigold flower fermentation waste liquid (water content 99.0%, water-soluble organic matter content is 1.0%, pH=6.0), take by weighing 0.1t organic carbon bacteria liquid, 0.3t potassium hydroxide and 0.002t Bacillus coagulans inoculum;

[0038] (2) above-mentioned marigold flower fermentation waste liquid, organic carbon bacteria liquid, potassium hydroxide and bacillus coagulans inoculum are mixed to obtain mixed solution;

[0039] (3) under the condition of room temperature, in the above-mentioned mixed solution, uniformly and continuously pass into the air with the ventilation rate of 0.020L / L*min and stop the ventilation after 6d treatment to obtain the treated liquid;

[0040] (4) liquid is carried out solid-liquid separation with a...

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Abstract

The invention discloses a method for treating fermentation waste liquid of marigold flowers. The method comprises the following steps: (1) weighing the components based on the weight of the fermentation waste liquid of marigold flowers to be treated; (2) evenly mixing the fermentation waste liquid of the marigold flowers, an organic carbon bacteria solution, potassium hydroxide and a bacillus coagulans bacterial agent to obtain mixed liquid; (3) uniformly and continuously introducing air into the mixed liquid at a temperature of 5 to 40 DEG C and at a ventilation ratio of 0.018 to 0.033L / L*min for treatment for 5 to 10 days, thereby obtaining treated liquid; (4) performing solid-liquid separation on the treated liquid to obtain an organic carbon nutrient solution. According to the invention, macromolecular organic substances in the fermentation waste liquid of the marigold flowers are digested and transformed into micromolecular water-soluble organic substances which can be directly absorbed by plants, a harmless effect is realized, soil can be fertilized, crops can be supplemented with organic carbon nutrients and mineral nutrients, so that yield and quality of the crops can be increased.

Description

technical field [0001] The invention belongs to the technical field of environmental protection fertilizers, and in particular relates to a method for treating the fermentation waste liquid of marigold flowers. Background technique [0002] Marigold flowers are the production raw materials for extracting natural lutein. With the increasing international demand for natural lutein, the scale of planting and processing of marigold flowers is also expanding year by year. However, in the process of fermenting marigold flowers to extract natural lutein, the amount of waste liquid discharged is very large, which has become the biggest restriction factor for the development of the industry, and may even lead to the decline of the industry. The pH value of this waste liquid is generally 4.0-6.0, and it also contains a large amount of various macromolecular organic substances with complex components. Direct discharge will pollute the soil and cause the death of crops. If the traditio...

Claims

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Application Information

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IPC IPC(8): C05G1/00
CPCC05D1/00C05F5/008C05F11/08
Inventor 李瑞波陈其发李艺勇
Owner FUZHOU LYUZHOU BIOCHEM CO LTD
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