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Device and method for fixing carbon dioxide by utilizing biomineralization of spirulina platensis in seawater system

A technology of Spirulina platensis and carbon dioxide, applied in biochemical cleaning devices, biochemical equipment and methods, and methods based on microorganisms, can solve the problems of huge manpower and material resources, unstable pressure storage technology, and high cost of pressure storage technology , to achieve the effect of low cost

Inactive Publication Date: 2013-08-21
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of pressure storage technology is too high, and the manpower and material resources required are particularly huge. Pressure storage technology is unstable. If the pressure is reduced, these solid carbon dioxide will be released again

Method used

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  • Device and method for fixing carbon dioxide by utilizing biomineralization of spirulina platensis in seawater system
  • Device and method for fixing carbon dioxide by utilizing biomineralization of spirulina platensis in seawater system
  • Device and method for fixing carbon dioxide by utilizing biomineralization of spirulina platensis in seawater system

Examples

Experimental program
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Effect test

Embodiment example 1

[0026] (1) Take 100mL of sterilized simulated seawater culture medium and place it in a 250mL volumetric flask, inoculate 10mL of Spirulina platensis stock solution, and put it into a light incubator for cultivation. The light intensity is 3000lux, the temperature is 35°C, and the light-to-dark ratio is 12: 12. After 5 days of culture, a small amount of inoculation was performed, and then the culture was continued under the same conditions, that is, the second expansion culture. This solution is used as the inoculation solution for subsequent experiments; take 10 ml of the second-generation expanded culture solution and inoculate it into a 5L conical flask filled with simulated seawater culture solution, and inoculate and expand the three-generation Spirulina platensis cyanobacteria according to the above method Illumination culture, when the biomass of the bacterial liquid reaches OD560nm of 0.6 or more, the bacterial liquid is connected to a 5-stage parallel continuous reacto...

Embodiment example 2

[0032] (1) Take 100mL of sterilized simulated seawater culture medium and place it in a 250mL volumetric flask, inoculate 10mL of Spirulina platensis stock solution, and put it into a light incubator for cultivation. The light intensity is 3000lux, the temperature is 35°C, and the light-to-dark ratio is 12: 12. After 5 days of culture, a small amount of inoculation was performed, and then the culture was continued under the same conditions, that is, the second expansion culture. This solution is used as the inoculation solution for subsequent experiments; take 10 ml of the second-generation expanded culture solution and inoculate it into a 5L conical flask filled with simulated seawater culture solution, and inoculate and expand the three-generation Spirulina platensis cyanobacteria according to the above method Illumination culture, when the biomass of the bacterial liquid reaches OD560nm above 0.6, the bacterial liquid is connected to a 5-stage parallel continuous reactor, an...

Embodiment example 3

[0036] (1) Take 100mL of sterilized simulated seawater culture medium and place it in a 250mL volumetric flask, inoculate 10mL of Spirulina platensis stock solution, and put it into a light incubator for cultivation. The light intensity is 3000lux, the temperature is 35°C, and the light-to-dark ratio is 12: 12. After 5 days of culture, a small amount of inoculation was performed, and then the culture was continued under the same conditions, that is, the second expansion culture. This solution is used as the inoculation solution for subsequent experiments; take 10 ml of the second-generation expanded culture solution and inoculate it into a 5L conical flask filled with simulated seawater culture solution, and inoculate and expand the three-generation Spirulina platensis cyanobacteria according to the above method Illumination culture, when the biomass of the bacterial liquid reaches OD560nm and is above 0.6, the bacterial liquid is connected to a 5-stage parallel continuous reac...

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Abstract

The invention relates to a device and a method for fixing carbon dioxide by utilizing biomineralization of spirulina platensis in a seawater system, and belongs to the field of environment engineering environment conservation. The method comprises the following steps of: separately filling spirulina platensis which is subjected to enlarged cultivation for three times into solutions similar to seawater; introducing three types of carbon dioxide with different concentrations into the three solutions to detect the change of the content of carbonate in the solutions; and promoting the formation of carbonate biomineralization precipitate while the growth of the spirulina platensis is improved, the life cycle is prolonged and the biomass is increased so that the aim of fixing carbon dioxide is fulfilled. According to the device and the method, the used experiment condition is simple, the resources are rich, and the experiment is carried out at constant temperature under constant pressure, the load to environment is eliminated, and meanwhile, the experiment complies with the law of the natural carbon cycle. The carbon dioxide is fixed by carbonation of microorganisms, so that the cost is greatly reduced, the fixed carbon dioxide can be security stored, and the device and the method have wide application prospect and good economic benefit.

Description

[0001] Technical field [0002] The invention is the field of environmental engineering and environmental protection, which involves a device and method and method for the use of blunt -top spiral algae carbonate biochemization in the seawater system. [0003] Background technique [0004] The sharp increase in carbon dioxide caused and accelerating the global greenhouse effect. Carbon dioxide mainly comes from the combustion of fossil fuels such as petroleum and coal, such as the emissions of the steel plant, the exhaust of petrochemical enterprises and automobile emissions.Faced with increasingly increasing carbon dioxide gas, the exploration and innovation of carbon dioxide capture and fixed methods has attracted widespread attention from the world, and it is expected that it can achieve effective application. [0005] The current reduction CO 2 The methods of separation and recycling, such as adsorption method, membrane separation method; resource -based utilization technolog...

Claims

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Application Information

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IPC IPC(8): C12M1/00B01D53/84B01D53/62C12R1/01
CPCY02A50/20Y02P20/59
Inventor 李宏煦刘彬彬毛亚琪王媛媛李超陈雨张祉倩
Owner UNIV OF SCI & TECH BEIJING
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