High-temperature hydrogen production and microalgae oil production coupling capacity method

Active Publication Date: 2020-10-13
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problems that the existing hydrogen production and microalgae coupling oil production method is complex in operation, cannot realize continuous flow production, is not suitable for industrial production, and has high costs for biological hydrogen production and microalgae oil production, the present invention provides an energy-free A method for coupling production capacity of high-temperature hydrogen production and microalgae oil production, which has the advantages of low cost, no energy consumption, high substrate utilization rate and high production efficiency

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0037] This example provides a method for coupling production capacity of high-temperature hydrogen production and microalgae oil production, which is carried out according to the following steps:

[0038] Step 1: Using the CSTR anaerobic reactor as a high-temperature hydrogen production reactor, pass wastewater into the high-temperature hydrogen production reactor and inoculate the sludge from the secondary sedimentation tank after high-temperature acclimation and cultivation. Continuous high-temperature hydrogen production reaction under the condition of oxygen;

[0039] Step 2: During the high-temperature hydrogen production reaction, the fermentation broth that has been separated and treated by the CSTR anaerobic reactor is continuously transported to the microalgae growth reactor through a peristaltic pump as a microalgae culture fluid, and will be separated and treated by the CSTR anaerobic reactor During the continuous delivery of the final fermentation broth to the mic...

Embodiment 2

[0045] This example provides a method for coupling production capacity of high-temperature hydrogen production and microalgae oil production, which is carried out according to the following steps:

[0046] Step 1: Using the CSTR anaerobic reactor as a high-temperature hydrogen production reactor, pass the wastewater into the high-temperature hydrogen production reactor and inoculate the sludge from the secondary sedimentation tank after high-temperature acclimation and cultivation. Continuous high-temperature hydrogen production reaction under the condition of oxygen;

[0047] Step 2: During the high-temperature hydrogen production reaction, the fermentation broth that has been separated and treated by the CSTR anaerobic reactor is continuously transported to the microalgae growth reactor through a peristaltic pump, and the fermentation broth that has been separated and treated by the CSTR anaerobic reactor is continuously During the process of transporting to the microalgae g...

Embodiment 3

[0052] This example provides a method for coupling production capacity of high-temperature hydrogen production and microalgae oil production, which is carried out according to the following steps:

[0053] Step 1: Using the CSTR anaerobic reactor as a high-temperature hydrogen production reactor, pass wastewater into the high-temperature hydrogen production reactor and inoculate the sludge from the secondary sedimentation tank after high-temperature acclimation and cultivation. Under the condition of continuous high temperature hydrogen production reaction;

[0054] Step 2: During the high-temperature hydrogen production reaction, the fermentation broth that has been separated and treated by the CSTR anaerobic reactor is continuously transported to the microalgae growth reactor through a peristaltic pump, and the fermentation broth that has been separated and treated by the CSTR anaerobic reactor is continuously During the process of transporting to the microalgae growth react...

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PUM

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Abstract

The invention discloses a high-temperature hydrogen production and microalgae oil production coupling capacity method, and belongs to the technical field of biological energy. The method comprises thestep of introducing wastewater into a CSTR anaerobic reactor, inoculating secondary sedimentation tank sludge subjected to high-temperature domestication culture to carry out a continuous high-temperature hydrogen production reaction, and continuously conveying a fermentation liquor separated by the CSTR anaerobic reactor into a microalgae growth reactor during the high-temperature hydrogen production reaction, continuously conveying carbon dioxide and hydrogen generated in a high-temperature hydrogen production reactor to a position below the liquid level of the fermentation liquor in the microalgae growth reactor, after continuously introducing a fermentation product generated in the high-temperature hydrogen production reactor into the microalgae growth reactor for one day, inoculatingmicroalgae into the microalgae growth reactor, and culturing the microalgae; and then conveying the cultured microalgae fermentation liquor into a microalgae oil production reactor for circular oil production culture, collecting microalgae subjected to oil production culture, collecting hydrogen, and extracting grease in the microalgae. The method can realize continuous flow operation and is suitable for industrial production.

Description

technical field [0001] The invention relates to a method for coupling production capacity of high-temperature hydrogen production and microalgae oil production, and belongs to the technical field of bioenergy. Background technique [0002] High-temperature biohydrogen production as a stable biohydrogen production technology will also be more widely used. However, the current dark fermentation hydrogen production technology also has the problems of low hydrogen production efficiency, high hydrogen production cost, low substrate utilization rate, and secondary pollution caused by fermentation products. Therefore, the dark fermentation biohydrogen production technology still needs to be continuously improved to promote the industrial application of biohydrogen production. [0003] Today, the bottleneck problem restricting the scale of microalgae biodiesel is the expensive production cost, which also depends on the oil content of microalgae species. Therefore, reducing the cos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P3/00C12N1/12C12P7/64
CPCC12P3/00C12N1/12C12P7/6463Y02P20/59Y02P20/133Y02E50/10
Inventor 刘冰峰殷天名杜健曹广丽谢国俊邢德峰
Owner HARBIN INST OF TECH
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