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Method of utilizing wastewater of marigold fermentation and dehydration to produce fertilizers

The technology of marigold and waste liquid is applied in the directions of liquid fertilizer, chemical instrument and method, fertilizer made of biological waste, etc. It can solve the problems of high cost of treatment of marigold fermentation dehydration waste liquid, etc. The effect of increasing crop yields

Pending Publication Date: 2018-12-18
BIOLOGY INST OF HEBEI ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the technical problem mainly solved by the present invention is to provide a fertilization utilization method of marigold fermentation and dehydration waste liquid, which can solve the problem of high treatment cost of marigold fermentation and dehydration waste liquid at present, and can turn waste into wealth and make full use of it. Effective components such as lactic acid and amino acids in the waste water of marigold fermentation and dehydration

Method used

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  • Method of utilizing wastewater of marigold fermentation and dehydration to produce fertilizers
  • Method of utilizing wastewater of marigold fermentation and dehydration to produce fertilizers
  • Method of utilizing wastewater of marigold fermentation and dehydration to produce fertilizers

Examples

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Effect test

Embodiment 1

[0019] Embodiment 1 Fertilization utilization method of marigold fermentation dehydration waste liquid according to the present invention

[0020] The treatment method was introduced by taking the batch waste liquid with lactic acid content of 3.28g / L and total amino acid content of 1.06g / L in the fermentation dehydration waste liquid of marigold as an example.

[0021] (1) Use a graduated cylinder to measure 100ml, 200ml, 500ml, 800ml, 1000ml of marigold fermentation dehydration waste liquid into a beaker, neutralize with quicklime (CaO) solid until the pH is 7.0; repeat the neutralization three times, the average amount of quicklime The values ​​are as follows:

[0022] Table 1 The average dosage of CaO as neutralizer

[0023]

[0024] According to the above-mentioned data, take the marigold dehydration liquid volume (ml) as the abscissa, and take the average amount of CaO (g) as the ordinate, and calculate the linear equation of the neutralization reaction as Y=5.4507 w...

Embodiment 2

[0028] Example 2 Application of fertilization nutrient solution of marigold fermentation dehydration waste liquid in corn pot experiment

[0029] The corn variety "Xingnong 998" used for testing was used. Corn seeds of the same size and plumpness were taken, soaked in sterile water, stirred with a glass rod, and soaked for two hours so that the red coat was washed off. Sow seeds at 3-4cm from the surface of the pot soil, 4 plants per pot. When the first true leaf grows, irrigate with clear water as the control group (CK), irrigate the marigold fermentation and pressing dehydration liquid (dehydration liquid) as the comparison group, and fertilize the fertilization nutrient solution of the marigold fermentation dehydration waste liquid obtained in Example 1 Dilute 2-fold watering to be the test group, start to water the corn seedlings of different groups respectively, water 200ml in each pot, 10 pots in each group, water once every 15 days, and water continuously twice.

[003...

Embodiment 3

[0033] Example 3 Application of fertilization nutrient solution from marigold fermentation dehydration waste liquid in corn field experiment

[0034] The corn variety to be tested was "Xingnong 998". One month after sowing, a 5m×5m area was randomly selected in a 10-mu corn field with uniform growth and normal management. The fertilization nutrient solution obtained from the fertilization and dehydration waste liquid of marigold obtained in Example 1 was diluted 5 times, and then the experimental area was irrigated, and the remaining areas were irrigated with clear water as a control group (CK). One month later, the effects of two groups of different treatment methods on the plant height, stem diameter, chlorophyll and other indicators of corn were measured, and it was found that the stem diameter of the Wanshou fermentation dehydration waste liquid fertilization and utilization nutrient solution obtained by using the present invention was 15.12% higher than that of the control...

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Abstract

The invention relates to a method of utilizing wastewater of marigold fermentation and dehydration to produce fertilizers. The method comprises steps such as linear equation establishment, neutralization system amplification, and the like. The problem that the cost for treating the wastewater of marigold fermentation and dehydration is high is solved. The wastes are converted into valuable resources. The effective components of wastewater of marigold fermentation and dehydration such as lactic acid, amino acids, and the like, are fully utilized. The provided method can solve the pollution problem, effectively solves the problem that the cost for treating wastes is high, provides an efficient liquid fertilizer for local crops, and greatly increases the crop output.

Description

technical field [0001] The invention relates to a method for fertilizing waste liquid, in particular to a method for fertilizing waste liquid from fermentation and dehydration of marigolds, and belongs to the technical field of sewage treatment and environment-friendly fertilizers. Background technique [0002] Marigold is the main raw material for extracting lutein. Lutein plays a variety of important functions in the prevention and treatment of diseases in the human body. In addition to being used as a colorant, marigold lutein is widely used in food, medicine, health products, Feed and other industries. In 2016, the total national production of marigold flowers was about 2.6 million tons. Due to the broad market prospect of marigold processed products, coupled with the characteristics of low investment, high benefit and simple planting technology, marigold industry has been listed as a local agricultural pillar industry and poverty alleviation industry in many areas. ...

Claims

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Application Information

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IPC IPC(8): C05G3/00C02F1/00
CPCC02F1/00C05D9/02C05G5/20C05F5/006C05F11/00C05G3/00
Inventor 刘洪伟张丽萍王雅娜郑利艳赵雯雅程辉彩崔冠慧张飞燕
Owner BIOLOGY INST OF HEBEI ACAD OF SCI
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