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A culture medium for cultivating astaxanthin-producing microalgae, a culture method and application of economical astaxanthin-producing microalgae

A culturing method and a technology for inoculating a culture medium are applied in the culture of economical astaxanthin-producing microalgae and in the field of culture medium for astaxanthin-producing microalgae, and can solve the problems of high cost of culture medium and high cost of astaxanthin production , to achieve the effect of reducing production costs and solving the problem of market gaps

Active Publication Date: 2021-05-18
中宇嘉轩(北京)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

Some microalgae can produce astaxanthin, which is one of the sources of astaxanthin synthesis. However, the cost of culture medium for culturing microalgae for astaxanthin production is high, and various nutrients such as carbon, nitrogen, phosphorus, and trace elements need to be added. , making the production cost of astaxanthin higher

Method used

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  • A culture medium for cultivating astaxanthin-producing microalgae, a culture method and application of economical astaxanthin-producing microalgae
  • A culture medium for cultivating astaxanthin-producing microalgae, a culture method and application of economical astaxanthin-producing microalgae
  • A culture medium for cultivating astaxanthin-producing microalgae, a culture method and application of economical astaxanthin-producing microalgae

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preparation example Construction

[0029] In the present invention, the water is preferably aerated tap water. Tap water is fully aerated in the sun to remove residual chlorine and increase dissolved oxygen, which is beneficial to the growth of microalgae. In the present invention, the method for preparing aerated tap water preferably includes the following steps: taking a certain amount of tap water, placing it in sunlight, and using a small aerator to aerate. In the present invention, the aeration time per 1L of tap water is preferably 1 to 3 hours, more preferably 2 hours.

[0030] The urine sewage in the present invention refers to the urine sewage directly collected. Due to the individual differences of the collected population, there are certain differences in the content of nutrient elements in the urine sewage. The urine sewage of the present invention refers to the urine sewage produced by a healthy human body (no renal dysfunction, diabetes, etc.), and the average content of the main elements of the ...

Embodiment 1

[0053] Take 200mL tap water, pass it through a 0.22μm filter membrane after aeration for 1 hour, and set aside; take 10mL of urine sewage (source A) produced by a healthy human body and pass it through a 0.22μm filter membrane, set aside; pass the filtered urine sewage and aerated tap water according to Mixed at a volume ratio of 1:99 to obtain a culture medium for astaxanthin-producing microalgae.

Embodiment 2

[0055] Take 200mL tap water, pass it through a 0.22μm filter membrane after aeration for 1 hour, and set aside; take 10mL of urine sewage (source A) produced by a healthy human body and pass it through a 0.22μm filter membrane, set aside; pass the filtered urine sewage and aerated tap water according to Mixed at a volume ratio of 1:124 to obtain a medium for astaxanthin-producing microalgae.

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Abstract

The invention provides a culture medium for cultivating astaxanthin-producing microalgae, a culture method and application of economical astaxanthin-producing microalgae, and relates to the field of environmental science and technology. 1:99~199 is composed of urine sewage and water. Urine sewage is yellow water in domestic sewage, which can provide nutrients such as nitrogen, phosphorus and potassium required for cultivating astaxanthin-producing microalgae without additional additions, effectively reducing production costs. The present invention also provides a method for cultivating economical astaxanthin-producing microalgae. After the astaxanthin-producing microalgae are inoculated in the culture medium described in the above technical scheme, the astaxanthin-producing microalgae are treated by changing the light time. After the cultivation is completed, astaxanthin can be extracted and water quality can be simultaneously purified, which is of positive significance for solving the market gap problem of astaxanthin produced by Haematococcus pluvialis and the difficulties faced in yellow water treatment.

Description

technical field [0001] The invention relates to the field of environmental science and technology, in particular to a medium for cultivating astaxanthin-producing microalgae, an economical astaxanthin-producing microalgae cultivating method and applications thereof. Background technique [0002] In recent years, the problem of water resource pollution has been particularly serious, among which urban domestic sewage is one of the important sources of water resource pollution. With the continuous development of China's economy and the continuous advancement of urbanization, urban domestic sewage has become the main source of China's increasing wastewater discharge. According to the source classification of domestic sewage, domestic sewage can be divided into black water (referring to toilet fecal sewage) and gray water (referring to sewage from household kitchens, laundry, bathing and washing), among which black water can be divided into yellow water ( urine sewage) and brown...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/12C02F3/32
CPCC02F3/322C12N1/12
Inventor 洪喻于明然马冠秋
Owner 中宇嘉轩(北京)环保科技有限公司