CN110711479A - Method for improving indoor air quality by utilizing chromococcus - Google Patents
Method for improving indoor air quality by utilizing chromococcus Download PDFInfo
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- CN110711479A CN110711479A CN201910758298.5A CN201910758298A CN110711479A CN 110711479 A CN110711479 A CN 110711479A CN 201910758298 A CN201910758298 A CN 201910758298A CN 110711479 A CN110711479 A CN 110711479A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/175—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using biological materials, plants or microorganisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2251/00—Reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D2257/504—Carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention discloses a method for improving indoor air quality by utilizing chromococcus, which comprises the following steps of preparing an initial culture solution of algae seeds, and adding NH into deionized water4NO3、K2SO4And K2HPO4(ii) a Adding chromococcus algae seeds with the algae concentration of more than 10E6 into the algae seed initial culture solution, and uniformly stirring to form chromococcus algae diluent; culturing the chromococcus dilution for 2-3 days to enable the diluted chromococcus to grow in the initial stage; bubbling air bubbles in the chromococcus dilution; the air bubbles contact the chromococcus algae or mature chromococcus algae in the chromococcus algae diluent, and the soluble organic matter is dissolved in the chromococcus algae diluent, so that the chromococcus algae absorbs the dioxygen in the chromococcus algae diluent through photosynthesisThe carbon is transformed, and oxygen is released. The method can improve the indoor air quality and is easy to popularize.
Description
Technical Field
The invention relates to a method for improving air quality, in particular to a method for improving indoor air quality by utilizing chromococcus.
Background
The air quality is used as a comprehensive measure of the environmental quality and the health quality, and is related to the daily life health of people. Indoor CO2The (carbon dioxide) concentration is an important index reflecting the air quality and is commonly used to indicate the amount of fresh air and the degree of ventilation. In winter in northern China, outdoor air pollution is serious, and in addition to indoor heating, doors and windows are usually closed, air circulation is poor, and indoor CO is caused2The concentration is seriously out of limits. Meanwhile, in small closed places such as classrooms and dormitories, people are dense, and indoor CO is generated2The daily average concentration exceeding rate reaches 20 percent, and CO in the air2Concentration has become an important factor threatening human health indoors. If the patient is in an environment with excessive carbon dioxide concentration for a long time, a series of symptoms such as dizziness, headache, tinnitus, somnolence, dyspnea, general weakness and the like can appear.
Disclosure of Invention
The invention aims to provide a method for improving indoor air quality by utilizing chromococcus, which is simple and convenient to operate and can effectively improve the indoor air quality under the condition of reasonable utilization.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for improving indoor air quality by utilizing Chroococcum comprises the following steps:
preparing culture solution for initial stage of algae strain, adding NH into deionized water4NO3(ammonium nitrate) K2SO4(Potassium sulfate) and K2HPO4(dipotassium hydrogen phosphate);
adding chromococcus algae seeds with the algae concentration of more than 10E6 into the algae seed initial culture solution, and uniformly stirring to form chromococcus algae diluent;
culturing the chromococcus dilution for 2-3 days to enable the diluted chromococcus to grow in the initial stage;
bubbling air bubbles in the chromococcus dilution; during the cultivation of the diluted chromococcus algae solution and the air purification by the mature chromococcus algae, air bubbles need to be intermittently blown in the chromococcus algae solution, the blown air bubbles contain soluble organic matters (such as formaldehyde) in the air, the soluble organic matters contained in the air bubbles can be dissolved in the chromococcus algae solution, and the soluble organic matters (such as formaldehyde) dissolved in the chromococcus algae solution can be degraded by the chromococcus algae, so that the soluble organic matters (such as formaldehyde) in the indoor air can be reduced, and the indoor air can be purified.
The air bubbles are blown out to enable the chromococcus algae seeds or the mature chromococcus algae in the chromococcus algae diluent to contact with the air in the air bubbles, soluble organic matters are dissolved in the chromococcus algae diluent, the chromococcus algae seeds absorb carbon dioxide in the chromococcus algae diluent through photosynthesis and release oxygen, the oxygen forms oxygen bubbles in the chromococcus algae diluent, the oxygen bubbles gradually rise to the liquid level of the chromococcus algae diluent and then explode, and then the oxygen in the oxygen bubbles is released into the indoor air.
During the initial growth period of the chromococcus algae, carbon dioxide in the chromococcus algae diluent is absorbed through photosynthesis, and oxygen is released into indoor air.
After the initial growth period of the chromococcus algae, the mature chromococcus algae is utilized to absorb carbon dioxide in the chromococcus algae diluent through photosynthesis so as to continuously release oxygen into the indoor air, and therefore, the method can continuously and effectively improve the indoor air quality.
In the method for improving indoor air quality by utilizing Chroococcus, the NH is4NO3The concentration of (A) is 50mg/L to 100 mg/L.
In the method for improving the indoor air quality by using the chromococcus, the K is characterized in that2SO4The concentration of (A) is 100mg/L to 200 mg/L.
In the method for improving the indoor air quality by using the chromococcus, the K is characterized in that2HPO4The concentration of (A) is 100mg/L to 150 mg/L.
In the method for improving indoor air quality by using chromococcus, the step of bubbling air in the chromococcus dilution comprises the step of generating air bubbles in the chromococcus dilution by stirring the chromococcus dilution.
In the method for improving the indoor air quality by using the chromococcus, the bubble amount of the bubbles blown out of the chromococcus dilution is 3L/min to 4L/min, and the bubble density is 2L/min to 3L/min.
The method for improving indoor air quality by using Chroococcus is characterized in that the step of culturing the Chroococcus diluent comprises the step of irradiating Chroococcus for 2-3 days under the full spectrum with the color rendering index of 80-90 and the irradiation intensity of 2-4 Wan Lex.
In the method for improving indoor air quality by using chromococcus, the culture temperature of the culture chromococcus dilution is 20-30 ℃.
Compared with the prior art, the invention has the following beneficial effects: the chromococcus algae with wide temperature range is adopted, so that the chromococcus algae can be particularly suitable for cold climates in winter in the north, can efficiently increase the indoor oxygen concentration and reduce the carbon dioxide concentration, and is not easily influenced by other algae bacteria, thereby greatly improving the indoor air quality (particularly the indoor air quality in winter in the north of China); the growth advantage of the chromococcus can block the growth of other algae, and the unicity of the algae is maintained to a great extent; when the chromococcus is over-bred, only the precipitated chromococcus is needed to be fished out, and the maintenance is simple.
Drawings
FIG. 1 is a graph showing a change in carbon dioxide concentration in example 4 of the present invention;
FIG. 2 is a graph showing a variation in concentration of carbon dioxide in example 4 of the present invention;
FIG. 3 is a graph showing a change in concentration of carbon dioxide in example 4 of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1 of the invention:
a method for improving indoor air quality by utilizing Chroococcum comprises the following steps: step S01, preparing the initial culture solution of algae, adding NH with concentration of 50mg/L into 3L of deionized water4NO3K at a concentration of 100mg/L2SO4And K at a concentration of 100mg/L2HPO4(ii) a Step S02, adding 13ml of chromococcus algae seeds with the algae concentration of more than 10E6 into the initial culture solution of the chromococcus algae, and uniformly stirring to form chromococcus algae diluent; step S03, culturing the chromococcus dilution for 2 days to make the diluted chromococcus grow in the initial stage; the chromococcus was irradiated for 2 days with a full spectrum with a color rendering index of 80 at an irradiation intensity of 2 million Muller, and the culture temperature was 20 ℃. Step S04, bubbling air bubbles in the chromococcus dilution; the bubble amount of the blown bubbles was 3L/min, and the bubble density was 2L/min. And step S05, enabling the chromococcus algae seeds or mature chromococcus algae in the chromococcus algae diluent to contact with the air in the air bubbles through the blown air bubbles, dissolving soluble organic matters in the chromococcus algae diluent, absorbing carbon dioxide in the chromococcus algae diluent through photosynthesis to release oxygen, forming oxygen bubbles in the chromococcus algae diluent through the oxygen, gradually rising the oxygen bubbles to the liquid level of the chromococcus algae diluent, exploding the oxygen bubbles, and then releasing the oxygen in the oxygen bubbles to the indoor air. Wherein, the step S02 of blowing out bubbles in the diluted chromococcus dilution is to generate bubbles in the diluted chromococcus dilution by stirring the diluted chromococcus dilution.
Example 2 of the invention:
method for improving indoor air quality by utilizing chromococcusThe method comprises the following steps: step S01, preparing initial culture solution of algae, adding 100mg/L NH into 4L deionized water4NO3K at a concentration of 200mg/L2SO4And a concentration of K of 150mg/L2HPO4(ii) a Step S02, adding 15ml of chromococcus algae seeds with the algae concentration of more than 10E6 into the initial culture solution of the chromococcus algae seeds, and uniformly stirring to form chromococcus algae diluent; step S03, culturing the chromococcus dilution for 3 days to make the diluted chromococcus grow in the initial stage; the chromococcus was irradiated for 3 days with a full spectrum having a color rendering index of 90 at an irradiation intensity of 4 Muller Kers and a culture temperature of 30 ℃. Step S04, bubbling air bubbles in the chromococcus dilution; the bubble amount of the blown-out bubbles was 4L/min, and the bubble density was 3L/min. And step S05, enabling the chromococcus algae seeds or mature chromococcus algae in the chromococcus algae diluent to contact with the air in the air bubbles through the blown air bubbles, dissolving soluble organic matters in the chromococcus algae diluent, absorbing carbon dioxide in the chromococcus algae diluent through photosynthesis to release oxygen, forming oxygen bubbles in the chromococcus algae diluent through the oxygen, gradually rising the oxygen bubbles to the liquid level of the chromococcus algae diluent, exploding the oxygen bubbles, and then releasing the oxygen in the oxygen bubbles to the indoor air. Wherein, the step S02 of blowing out bubbles in the diluted chromococcus dilution is to generate bubbles in the diluted chromococcus dilution by stirring the diluted chromococcus dilution.
Example 3 of the invention:
a method for improving indoor air quality by utilizing Chroococcum comprises the following steps: step S01, preparing the initial culture solution of algae, adding 60mg/L NH into 3.5L deionized water4NO3130mg/L of K2SO4And 120mg/L of K2HPO4(ii) a Step S02, adding 14ml of chromococcus algae seeds with the algae concentration of more than 10E6 into the initial culture solution of the chromococcus algae, and uniformly stirring to form chromococcus algae diluent; step S03, culturing the chromococcus dilution for 2.5 days to make the diluted chromococcus grow in the initial stage; subjecting Chroococcus to full-spectrum irradiation with color rendering index of 85 for 2.5 days at an irradiation intensity of 3 Muller g and a culture temperature ofAt 25 ℃. Step S04, bubbling air bubbles in the chromococcus dilution; the bubble amount of the blown-out bubbles was 3.5L/min, and the bubble density was 2.5L/min. And step S05, enabling the chromococcus algae seeds or mature chromococcus algae in the chromococcus algae diluent to contact with the air in the air bubbles through the blown air bubbles, dissolving soluble organic matters in the chromococcus algae diluent, absorbing carbon dioxide in the chromococcus algae diluent through photosynthesis to release oxygen, forming oxygen bubbles in the chromococcus algae diluent through the oxygen, gradually rising the oxygen bubbles to the liquid level of the chromococcus algae diluent, exploding the oxygen bubbles, and then releasing the oxygen in the oxygen bubbles to the indoor air. Wherein, the step S02 of blowing out bubbles in the diluted chromococcus dilution is to generate bubbles in the diluted chromococcus dilution by stirring the diluted chromococcus dilution.
Example 4 of the invention:
a method for improving indoor air quality by utilizing Chroococcum comprises the following steps: step S01, preparing initial culture solution of algae, adding NH with concentration of 80mg/L into deionized water of 3.54NO3K at a concentration of 150mg/L2SO4K at a concentration of 140mg/L2HPO4(ii) a Step S02, adding 15ml of chromococcus algae seeds with the algae concentration of more than 10E6 into the initial culture solution of the chromococcus algae, and uniformly stirring to form chromococcus algae diluent; step S03, culturing the chromococcus dilution for 3 days to make the diluted chromococcus grow in the initial stage; the chromococcus was irradiated for 2 days with a full spectrum with a color rendering index of 88 at an irradiation intensity of 3.5 Wanlux and a cultivation temperature of 28 ℃. Step S04, bubbling air bubbles in the chromococcus dilution; the bubble amount of the blown-out bubbles was 3.8L/min, and the bubble density was 2.8L/min. Step S05, the air in the bubbles is contacted with the chromococcus algae seeds or mature chromococcus algae in the chromococcus algae diluent through the blown bubbles, and the soluble organic matter is dissolved in the chromococcus algae diluent, the chromococcus algae seeds absorb the carbon dioxide in the chromococcus algae diluent through photosynthesis to release oxygen, the oxygen forms oxygen bubbles in the chromococcus algae diluent, the oxygen bubbles gradually rise to the liquid level of the chromococcus algae diluent and then explode, and then the oxygen in the oxygen bubbles is releasedInto the indoor air. Wherein, the step S02 of blowing out bubbles in the diluted chromococcus dilution is to generate bubbles in the diluted chromococcus dilution by stirring the diluted chromococcus dilution.
In order to ensure the science, the reasonability and the effectiveness of the technical scheme of the invention, the inventor carries out at least the following experimental research.
Experiment one: the method of the present invention is used in an incubator with relatively low carbon dioxide concentration to measure the carbon dioxide concentration at different environmental temperatures, and the carbon dioxide concentration variation curve is obtained as shown in fig. 1, and it is found that the carbon dioxide concentration in the incubator can be reduced in the incubator with relatively low carbon dioxide concentration, and the carbon dioxide concentration in the incubator can be maintained in a lower range for at least 7 hours.
To further prove that the method of the present invention can be applied to a room with a relatively large space, the inventors further conducted the following experiments.
Experiment two: measuring the carbon dioxide concentration in a room (the volume is about 270 cubic meters) without using the method of the invention, and obtaining a carbon dioxide concentration change curve as shown in figure 2; the carbon dioxide concentration was measured in a room in the same environment by the method of the present invention, and the change curve of the carbon dioxide concentration was obtained as shown in FIG. 3. Comparing fig. 2 and fig. 3, it was found that the carbon dioxide concentration values measured in the room not using the method of the present invention at the same time point were higher than those measured in the room using the method of the present invention, and that the carbon dioxide concentration in the room using the method of the present invention could be maintained in a relatively low range of 468ppm to 562ppm for a long period of time.
Through the two groups of experiments, the method can effectively reduce the indoor carbon dioxide concentration and maintain the indoor carbon dioxide concentration within a lower range value, thereby achieving the purpose of effectively improving the indoor air quality.
Claims (9)
1. A method for improving indoor air quality by utilizing Chroococcum, which is characterized by comprising the following steps:
preparing culture solution for initial stage of algae strain, adding NH into deionized water4NO3、K2SO4And K2HPO4；
Adding chromococcus algae seeds with the algae concentration of more than 10E6 into the algae seed initial culture solution, and uniformly stirring to form chromococcus algae diluent;
culturing the chromococcus dilution for 2-3 days to enable the diluted chromococcus to grow in the initial stage;
bubbling air bubbles in the chromococcus dilution;
the air bubbles are blown out to enable the chromococcus algae seeds or the mature chromococcus algae in the chromococcus algae diluent to contact with the air in the air bubbles, soluble organic matters are dissolved in the chromococcus algae diluent, the chromococcus algae seeds absorb carbon dioxide in the chromococcus algae diluent through photosynthesis and release oxygen, the oxygen forms oxygen bubbles in the chromococcus algae diluent, the oxygen bubbles gradually rise to the liquid level of the chromococcus algae diluent and then explode, and then the oxygen in the oxygen bubbles is released into the indoor air.
2. The method as claimed in claim 2, wherein the NH is added to the air4NO3The concentration of (A) is 50mg/L to 100 mg/L.
3. The method as claimed in claim 2, wherein the K is a compound of K and K is a compound of K2SO4The concentration of (A) is 100mg/L to 200 mg/L.
4. The method as claimed in claim 2, wherein the K is a compound of K and K is a compound of K2HPO4The concentration of (A) is 100mg/L to 150 mg/L.
5. The method of claim 1, wherein the bubbling air through the Haematococcus dilution comprises bubbling air through the Haematococcus dilution by agitating the Haematococcus dilution.
6. The method as claimed in claim 1, wherein the amount of bubbles blown out of the chromacoccus dilution is 3L/min to 4L/min and the bubble density is 2L/min to 3L/min.
7. The method as claimed in claim 1, wherein the cultivating of the Haematococcus dilution comprises subjecting the Haematococcus to full spectrum irradiation with a color rendering index of 80-90 for 2-3 days at an intensity of 2-4 Wan Lex.
8. The method as claimed in claim 1, wherein the culture temperature of the dilution solution for culturing chromococcus is 20-30 ℃.
9. The method as claimed in claim 1, wherein the soluble organic substance is formaldehyde.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453514A (en) * | 2002-04-24 | 2003-11-05 | 李恒光 | Method and apparatus for improving indoor air quality with microbes |
| CN102978117A (en) * | 2012-11-05 | 2013-03-20 | 溧阳市天目湖保健品有限公司 | Chroococcus culture medium formula |
| CN203395991U (en) * | 2013-08-20 | 2014-01-15 | 甘肃富民生态农业科技有限公司 | Ecological system for improving indoor air quality |
| US20140220652A1 (en) * | 2011-06-28 | 2014-08-07 | Cybel Holding S.A. | Methods And Systems For Absorbing CO2 And Converting Same Into Gaseous Oxygen By Microorganisms |
| CN104633778A (en) * | 2015-03-04 | 2015-05-20 | 昆山清旭环境科技有限公司 | Air purifier with PM2.5 (particulate matter 2.5) removing function on basis of micro-algae |
| CN206157161U (en) * | 2016-11-14 | 2017-05-10 | 烟台藻安环保科技有限公司 | Little algae air purification device of indoor usefulness |
-
2019
- 2019-08-16 CN CN201910758298.5A patent/CN110711479A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1453514A (en) * | 2002-04-24 | 2003-11-05 | 李恒光 | Method and apparatus for improving indoor air quality with microbes |
| US20140220652A1 (en) * | 2011-06-28 | 2014-08-07 | Cybel Holding S.A. | Methods And Systems For Absorbing CO2 And Converting Same Into Gaseous Oxygen By Microorganisms |
| CN102978117A (en) * | 2012-11-05 | 2013-03-20 | 溧阳市天目湖保健品有限公司 | Chroococcus culture medium formula |
| CN203395991U (en) * | 2013-08-20 | 2014-01-15 | 甘肃富民生态农业科技有限公司 | Ecological system for improving indoor air quality |
| CN104633778A (en) * | 2015-03-04 | 2015-05-20 | 昆山清旭环境科技有限公司 | Air purifier with PM2.5 (particulate matter 2.5) removing function on basis of micro-algae |
| CN206157161U (en) * | 2016-11-14 | 2017-05-10 | 烟台藻安环保科技有限公司 | Little algae air purification device of indoor usefulness |
Non-Patent Citations (1)
| Title |
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| 蒋高明: "《中国生态六讲》", 31 May 2016, 中国科学技术出版社 * |
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