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Method for cultivating chlorella with methane waste liquor

A biogas waste liquid, chlorella technology, applied in microorganism-based methods, biochemical equipment and methods, single-cell algae, etc., can solve the problems of increasing culture cost, trouble in preparation, etc., and achieve reduced culture cost and high economic value. , the effect of good economic and social benefits

Inactive Publication Date: 2010-09-08
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because there are many nutrients and trace elements in the culture medium, it is not only troublesome to prepare, but also increases the cost of culture

Method used

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  • Method for cultivating chlorella with methane waste liquor
  • Method for cultivating chlorella with methane waste liquor
  • Method for cultivating chlorella with methane waste liquor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 1 L of filtered biogas waste liquid, add 25 mg of sodium nitrate, 1.5 mg of potassium dihydrogen phosphate, 3 mg of sodium silicate, 1 mg of ferric citrate, and then add 10 mg of Chlorella pyrenoidosa species, at 20°C, pH 5, A large amount of Chlorella pyrenoidosa can be obtained by culturing under the light of 05000LX for 10 days.

Embodiment 2

[0023] Take 1L of filtered biogas waste liquid, add 0mg of sodium nitrate, 0mg of potassium dihydrogen phosphate, 0mg of sodium silicate, 0mg of ferric citrate, and then add 2mg of Chlorella pyrenoidosa species, at 0°C, pH3, light A large amount of Chlorella pyrenoidosa can be obtained by culturing at 5000LX for 5 days.

Embodiment 3

[0025] Take 1 L of filtered biogas waste liquid, add 50 mg of sodium nitrate, 3 mg of potassium dihydrogen phosphate, 6 mg of sodium silicate, 2 mg of ferric citrate, and then add 5 g of Chlorella pyrenoidosa species. A large amount of Chlorella pyrenoidosa can be obtained by culturing at 20000LX for 30 days.

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Abstract

The invention discloses a method for cultivating chlorella with methane waste liquor, comprising the following steps: preparing the methane waste liquor into mixed culturing liquid, cultivating pyrenoid chlorella, etc. In the invention, methane waste liquor is used as main material of culturing liquid, thereby remarkably reducing cultivation cost, purifying methane waste liquor, obtaining pyrenoid chlorella with high economic value, and having better economic and social benefits.

Description

technical field [0001] The invention relates to a method for cultivating chlorella by using biogas waste liquid, in particular to a method for cultivating chlorella by using biogas waste liquid. Background technique [0002] Biogas wastewater is rich in nitrogen, phosphorus and other nutrient elements and organic matter. Its excess and excessive discharge are an important factor causing eutrophication of water bodies and environmental pollution of surrounding waters. Although many treatments for biogas wastewater have been developed technology and equipment, but because the relevant technology is not perfect and mature enough, as well as high operating costs and energy consumption, the actual application effect is not ideal. [0003] Chlorella pyrenoidosa is a single-celled algae widely distributed all over the world and is an important bait for aquatic organisms. At the same time, it has a high content of protein, fat and carbohydrates, and has a variety of vitamins, so it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/12C12R1/89
Inventor 郑江郝聚敏王博陆斌
Owner JIMEI UNIV
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