CN105483001A - Photobioreactor system used for air purification - Google Patents
Photobioreactor system used for air purification Download PDFInfo
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- CN105483001A CN105483001A CN201510946118.8A CN201510946118A CN105483001A CN 105483001 A CN105483001 A CN 105483001A CN 201510946118 A CN201510946118 A CN 201510946118A CN 105483001 A CN105483001 A CN 105483001A
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- air
- substratum
- temperature
- reactor chamber
- chlorella
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/26—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pH
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/06—Means for regulation, monitoring, measurement or control, e.g. flow regulation of illumination
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/59—Biological synthesis; Biological purification
Abstract
The invention relates to a photobioreactor system used for air purification used for air purification. The invention provides a system used for reducing the concentration of carbon dioxide in air in regions with subtropical to temperate climates and a method for using the system to reduce the concentration of carbon dioxide.
Description
The cross reference of related application
According to 35U.S.C § 119 (e), the application is the application number that requirement is submitted on December 16th, 2014 is 62/124,348, exercise question is the non-provisional of the U.S. Provisional Patent Application rights and interests of " the microalgae photobiological reactor design in decontamination chamber and outdoor Hong Kong air ", by the mode quoted in full, the disclosure of this U.S. Provisional Patent Application is contained in this.
Technical field
The present invention relates to purifying air.Especially, the present invention relates to a system utilizing the photosynthetic micro-algae in fresh water or ocean to reduce the gas concentration lwevel in air.The present invention is particularly useful for medial temperature in the subtropics of 15 DEG C to 30 DEG C and temperate climate area.
Background technology
Discharge from vehicle and industrial greenhouse gases is one of main predisposing factors of Global warming and causes global warming to rise.Carbonic acid gas (CO
2) account for 68% of the greenhouse gases of mankind's activity discharge.Variously seal CO up for safekeeping
2method be extensively studied, its object is to reduce CO
2be disposed in air.Usually, the CO in air
2caught by the method for physics or chemistry.Such as, with ammonia soln washing then at high temperature solvent reclamation with utilize the physical solvent of high pressure and be separated.The CO caught
2transported offshore geological reservoir (Gibbinsetal, 2008).
Compared to traditional chemistry and physical method, purifying air with biological method is be considered to better alternative method at present.Biological method needs gentle condition.The high temperature, high pressure and the environmentally harmful solvent that use in traditional method is eliminated in biological method.Biological method is also more continuable.Biological method utilizes photosynthesis by unwanted CO
2be converted into oxygen, therefore do not need physical storage space to store CO
2.In addition to oxygen, CO is removed by biological method
2precious biomass can also be produced.These biomass may be used for the production of biofuel, fish meal, fertilizer and healthcare products and food (Chisti, 2007).
But local weather can affect the performance that bioreactor removes carbonic acid gas.Therefore, a kind of photo-bioreactor system adapting to local climate and environmental factors is expected to provide to remove carbonic acid gas in air efficiently.
Summary of the invention
Among numerous biomass organism, the photosynthetic efficiency of freshwater microalgae class Yin Qigao and be considered to the most suitable photosynthetic organism (Perrineetal, 2012) being applied in purifying air photo-bioreactor system.
Correspondingly, the invention provides a system using microalgae to purify air, particularly purify the system of subtropics to temperate climate area air.
A first aspect of the present invention provides the photo-bioreactor system of the carbonic acid gas in a kind of air for reducing subtropics to temperate climate area, and described system comprises:
Reactor chamber, for holding the micro-algae culture medium that temperature is 15-30 DEG C, wherein, in described micro-algae culture medium, the starting point concentration of chlorella (Chlorellaspecies) is 1000000 ~ 1500000cell/ml;
Inlet mouth, enters described system for making air;
Air pump, gas pressure regulator and sprinker, for by air with the form of small bubbles, flow to described substratum with the flow velocity of 0.1 ~ 20L/min;
Temperature regulator, for regulating the temperature of described substratum, makes it the temperature be in needed for work;
Light source is 50 ~ 500 μm of olm for providing intensity for described substratum
-2s
-1the light of PPFD; And air outlet, leave described system for making to comprise the Purge gas reducing gas concentration lwevel.
According to first embodiment of the invention, having subtropics to Temperate Region in China described in is South East Asia.
According to another embodiment of the invention, described area is Hong Kong.
According to another embodiment of the invention, the temperature of described substratum is controlled in 15 ~ 30 DEG C.
According to another embodiment of the invention, the pH of described substratum is maintained at 7-9.
According to another embodiment of the invention, described light source comprises photodiode, luminescent lamp, sunlight or above three.
A second aspect of the present invention, for providing a method reducing the carbonic acid gas in the air of subtropics to temperate climate area, comprising:
Bioreactor system is provided;
Be transported in described bioreactor system by needing processed air by inlet mouth;
Regulate the temperature needed for the temperature of described substratum to work;
By needing processed air with the form of small bubbles, be delivered to described substratum with the flow velocity of 0.1-20L/min.
With existing any bio-reactor unlike, in order to remove carbonic acid gas efficiently, photo-bioreactor system of the present invention and the method utilizing described bioreactor to purify air are applicable to subtropics to temperate climate.
Accompanying drawing explanation
In further detail embodiments of the invention are described hereinafter with reference to accompanying drawing, wherein,
Fig. 1 is the schematic diagram being applied to the tabular bioreactor of indoor air purification of the present invention.
Fig. 2 is the schematic diagram being applied to the bioreactor of the tubulose of indoor air purification of the present invention.
Fig. 3 is the schematic diagram being applied to outside air purification and comprising the photo bio system of six tubular light bio-reactors of the present invention.
Fig. 4 is display first embodiment of the invention CO under different time
2the graphic representation of consumption.
Fig. 5 is display second embodiment of the invention CO under different time
2the graphic representation of consumption.
Fig. 6 is display third embodiment of the invention CO under different time
2the graphic representation of consumption.
Embodiment
In order to structure of the present invention and advantage are described, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, photo-bioreactor system of the present invention comprises the panel-shaped reactor groove 110 for holding substratum.Reactor chamber of the present invention can be transparent, translucent, or reflection, thus light can also arrive through reactor chamber the micro-algae be accommodated therein, thus realize photosynthesis.The material of described reactor chamber of the present invention can be glass, acrylplastics, polyacrylic plastics or other transparent materials.Micro-algae culture medium comprises the chlorella (Chlorellaspecies) that starting point concentration is 1000000-1500000cell/ml.Be applicable to chlorella of the present invention and include but not limited to chlorella (Chlorellasp), Chlorella pyrenoidesa (Chlorellapyrenoidosa) and Chlorella vulgaris (Chlorellavulgaris) etc.Described reactor chamber can by or do not separated by multiple separating part 111, thus arrange different internal flow pattern.Such as, described multiple separating part 111 is by alternately forming from the separating part that described reactor chamber opposite side is outstanding.In one embodiment of the invention, described reactor chamber does not arrange any separating part.In another embodiment of the present invention, described reactor chamber comprises two separating parts divided equally and forms a gas lift flow pattern.Photo-bioreactor system of the present invention also comprises one or more inlet mouth 130 and carries the air that will be processed to enter described micro-algae culture medium.By the method that in sprinker or this area, any other is suitable for, treated air is transported to described substratum as bubble.In one embodiment of the invention, inlet mouth extends to bottom from the top of described reactor chamber, and with the flow velocity of 0.1-2.0L/min to described substratum conveying air.In another embodiment of the present invention, processed air directly forms bubble by inlet mouth in the bottom of described substratum, and enters described substratum with the flow velocity of 0.1-2.0L/min.The temperature of described substratum is controlled in 15-30 DEG C.Water-bath or any other temperature controlling system used in the art can be used in system of the present invention to control the temperature of reactor chamber.In one embodiment, the temperature of described substratum is maintained at 15-30 DEG C.In another embodiment, described substratum is identical with the temperature of processed air.Described photo-bioreactor system comprises the temperature regulator (not marking in Fig. 1) temperature of described reactor chamber remained in the temperature range of expectation.For cultivating the substratum that the substratum of micro-algae can be any kind being suitable for micro algae growth.Also mixed culture medium can be used.In one embodiment, described substratum is BBM substratum (Bold ' sbasalmedium).In another embodiment, described substratum is Bu Shi substratum (Bristol ' smedium).The pH value of described substratum is maintained at pH7-9.When described bioreactor continuous firing, described substratum, by the fresh substratum removing micro algae biomass and change in reactor chamber, makes the density of described substratum be maintained at 1000000-1500000cells/ml and pH by stable maintenance.In one embodiment, the operational cycle of described photo-bioreactor system is two weeks.The density of described substratum is diluted back the starting point concentration of 1000000-1500000cell/ml, and fresh substratum is by reactor chamber described in add-back.Optionally can gather in the crops algae bio amount from described substratum.
Purge gas after described photo-bioreactor system also comprises gas concentration lwevel reduction leaves the air outlet 140 of described reactor chamber.In one embodiment, described air outlet is placed on the top of described bioreactor.Processed gas to be sparging in the bottom of reactor chamber in described substratum and to be purified by micro-algae culture medium, and the Purge gas then reducing carbon dioxide content rises to the top of described reactor chamber and leaves through described air outlet.The carbonic acid gas that chlorella in substratum consumes in processed air carries out photosynthesis.Carbon dioxide conversion is oxygen by described substratum.Therefore, be cleaned by reducing the content of carbonic acid gas with the air of described medium treatment.
Photo-bioreactor system of the present invention also comprises for described substratum photosynthesis provides the light source of light.In one embodiment, described light source adopts the form with the lamp house 120 of the LED array being positioned at the outside surrounding of described reactor chamber 110.Also luminescent lamp can be used, high-pressure mercury lamp, fluorescent mercury lamps, sun lamp or sunlight.In one embodiment, for effectively removing carbonic acid gas and the light intensity being applied to described substratum is 50-500 μm of olm
-2s
-1pPFD.In a typical embodiment, described LED array or other light sources can be positioned on the position perpendicular to described multiple separating part 111 direction, thus improve photosynthetic rate by making the light of substratum in arrival reactor chamber 110 maximize.
Fig. 2 shows another embodiment of described bioreactor, and wherein, reactor chamber 210 is tubulose.The diameter of described reactor chamber is 1:5 to 1:10 with the ratio (fineness ratio) of height.As shown in the figure, LED array 220 is arranged vertically along tubular reactor tank, and the bottom that inlet mouth 230 extends to described reactor chamber enters described substratum to carry air, and air outlet is placed on the top of described reactor chamber.Described photo-bioreactor system also comprises for monitoring temperature in described reactive tank, gas flow rate, the inductor block of light intensity and pH value, use corresponding control method by temperature simultaneously, light intensity, gas flow rate and pH value maintain desirable scope, remove carbonic acid gas with this efficiently in subtropics to temperate climate.In the present embodiment, temperature regulator 250 is used to the temperature of monitoring described micro-algae culture medium, and when this temperature is different from ideal working temperature, regulates the temperature of described substratum.
The present invention also provides a kind of method for reducing Carbon Dioxide in Air to temperate climate area in subtropics, the method comprises: provide photo-bioreactor system of the present invention, also comprise and deliver air to described bioreactor system, temperature controlling system.The method that minimizing carbonic acid gas of the present invention purifies air comprises maintenance micro-algae culture medium concentration at 1000000-1500000cells/mL, temperature is at 15-30 DEG C, the temperature of described substratum is regulated to make it consistent with ideal working temperature, air to be processed is inputted described substratum with the flow velocity of 0.1-2.0L/min, the Purge gas of the gas concentration lwevel with reduction is discharged described photo-bioreactor system, and optionally collects any biomass of producing during photosynthesis of substratum.
Fig. 3 shows another embodiment of described bioreactor, and wherein, reactor chamber 310 is tubulose and the application purified for outside air.The diameter of described reactor chamber is 1:5 to 1:10 with the ratio (fineness ratio) of height.The material of reactor chamber described in the present invention can be glass, acrylplastics, any other transparent material in acrylic plastering or this area.In one embodiment, the sequence comprising six tubular reactor tanks is placed by vertical alignment and is purified air.The bottom that inlet mouth 320 is arranged on each reactor chamber enters described micro-algae culture medium for carrying air, and any other diverting device conventional in several sprinkers or this area is used to the air carrying out processing through described reactor chamber on average to disperse.Air outlet 330 is arranged on the top of described reactor chamber.Described photo-bioreactor system also comprises multiple sensor for monitoring temperature in described reactor chamber, humidity, gas flow rate, light intensity, and inlet mouth and air outlet CO
2concentration, and by corresponding control method, gas flow rate is maintained desirable scope, in subtropics to temperate climate, remove carbonic acid gas with this efficiently.In the present embodiment, natural sunlight is by the light source as illumination, and the temperature of this bioreactor system equals subtropics to the envrionment temperature in temperate climate.
The present invention also provides a kind of method for reducing Carbon Dioxide in Air to temperate climate area in subtropics, the method comprises: provide photo-bioreactor system of the present invention, also comprise and deliver air to described bioreactor system, average dispersion enters the air of described photo-bioreactor system.The method that minimizing carbonic acid gas of the present invention purifies air comprises maintenance micro-algae culture medium concentration at 1000000-1500000cells/mL, air to be processed is inputted described substratum with the flow velocity of 1-20L/min, the Purge gas reduced than air inlet gas concentration lwevel is discharged described photo-bioreactor system, and optionally collects any biomass of producing during photosynthesis of substratum.
Described photo-bioreactor system describes in subtropics to thermal climate area purifying carbon dioxide efficiently.To micro-algae kind, substratum concentration, temperature, gas flow rate and light intensity are selected, for carrying out purifying carbon dioxide efficiently in subtropics to temperate climate area.These areas have high temperature, moist summer and usually gentle winter.Specifically, these regional monthly mean temperatures are between 15 DEG C to 30 DEG C.Photo-bioreactor system of the present invention is that South East Asia is carried out efficient purifying carbon dioxide and designed.Photo-bioreactor system of the present invention is that the area of Hong Kong or similar weather is carried out efficient purifying carbon dioxide and designed.
Providing three examples below utilizes micro-algae to carry out the operation of air evolution to demonstrate the present invention in Hong Kong, and it can reduce the CO in air significantly
2concentration.
Example 1
Implement embodiments of the invention shown in Fig. 1 and purify CO
2the air polluted.Reactor is the panel-shaped reactor with a single separating part.The capacity of described reactor is 4L.Described reactor is in office work.In modified BBM, the starting point concentration of chlorella (Chlorellasp) is 1200000 microalgae cells/ml matrix.The temperature of reactor chamber is 30 DEG C.The continuous light intensity of LED matrix is 400 μm of ol/m
2s
-1. the cycle of work is two weeks.The CO of inlet mouth
2concentration is 490ppm, and flow velocity is 1000ml/min.After 24 hours, the CO of air outlet
2the observed value of concentration is 146ppm, consumes the CO of 70%
2.Described reactor, in the work period of two weeks, can remain above the CO of 70%
2consumption.Graphic representation in Fig. 4 shows CO in two weeks under-stream periods
2consumption performance.
Example 2
Implement the embodiment of the present invention shown in Fig. 2 and purify CO
2the air polluted.The tubular reactor of reactor to be capacity be 1000ml.The diameter of reactor and the ratio of height are 1:10.Described reactor is in office work.In modified BBM, the starting point concentration of chlorella is 1200000 microalgae cells/ml matrix.The temperature of reactive tank is 30 DEG C.The continuous light intensity of LED matrix is 400 μm of ol/m
2s
-1. the CO of inlet mouth
2concentration is 450ppm, and flow velocity is 1000ml/min.After 24 hours, air outlet CO
2the observed value of concentration is 90ppm, consumes the CO more than 80%
2.Described reactor, in the working hour of 250 hours, can maintain the CO of more than 80%
2consumption.CO in curve display in Fig. 5 two weeks under-stream periods
2consumption performance.
Example 3
Implement the embodiment of the present invention shown in Fig. 3 and purify CO
2the air polluted.The tubular reactor of reactor to be capacity be 100L.The diameter of reactor and the ratio of height are 1:5.Six reactors are placed on a row.Described reactor is placed on outside work.In modified BBM, the starting point concentration of chlorella is 1200000 microalgae cells/ml matrix.Sunlight provides natural lighting for described substratum.The CO of inlet mouth
2concentration is 400ppm, and flow velocity is 10L/min.Through 72 hours, the CO of air outlet
2concentration measurement is 45ppm, consumes the CO more than 80%
2.Described reactor can maintain the CO of more than 80% within the working hour of 18 days
2consumption, within the working hour of 30 days, can maintain the CO of 40%
2consumption.CO in curve display in Fig. 6 working hour of one month
2consumption performance.
Be more than describe goal of the invention of the present invention, this is not that all the elements of the present invention or the present invention are not limited to disclosed clear and definite form.For various amendment of the present invention and distortion be all apparent for those skilled in the art.
To select and the embodiment described is to explain principle of the present invention and practical application better, and make others skilled in the art understand the present invention and the amendment being applicable to various embodiment and making according to specific environment for use.Its intention is to limit scope of invention by following claims and equivalent thereof.
Annex
Bu Shi substratum
Bu Shi A
| Chemical name | Amount |
| SODIUMNITRATE (NaNO 3) | 20-25g/L |
| Dipotassium hydrogen phosphate (K 2HPO 4) | 6-7.5g/L |
| Potassium primary phosphate (KH 2PO 4) | 14-17.5g/L |
| Sodium-chlor (NaCl) | 2-2.5g/L |
Bu Shi B
| Chemical name | Amount |
| Calcium chloride (CaCl 2) | 1.5-2g/L |
Bu Shi C
| Chemical name | Amount |
| Magnesium sulfate heptahydrate (MgSO 4.7H 2O) | 6-7.5g/L |
Above-mentioned Bu Shi A, Bu Shi B and Bu Shi C is through diluting the solution as work after 100 times.Trace nutrient solution
Trace 1 (alkaline EDTA)
| Chemical name | Amount |
| Ethylenediamine tetraacetic acid (EDTA) (EDTA) | 40-50g/L |
| Potassium hydroxide (KOH) | 25-31g/L |
Trace 2 (trace-metal)
| Chemical name | Amount |
| Zinc Sulphate Heptahydrate (ZnSO 4.7H 2O) | 7.05-8.82g/L |
| Four chloride hydrate manganese (II) (MnCl 2.4H 2O) | 1.15-1.44g/L |
| Sodium orthomolybdate (Na 2MoO 4) | 0.95-1.19g/L |
| Salzburg vitriol (II) (CuSO 4.5H 2O) | 1.25-1.57g/L |
| Cobalt chloride hexahydrate (II) (CoCl 2.6H 2O) | 0.32-0.40g/L |
Trace 3 (acidifying acid)
| Chemical name | Amount |
| Seven ferric sulfate hydrates (II) (FeSO 4.7H 2O) | 3.98-4.98g/L |
| Sulfuric acid (H 2SO 4) | 0.8-1mL/L |
Trace 4 (boric acid)
| Chemical name | Amount |
| Boric acid (H 3BO 3) | 9.14-11.42g/L |
Trace 1, trace 2, trace 3 and trace 4 dilute the solution as work after 1000 times.
Claims (21)
1., for reducing a photo-bioreactor system for the carbonic acid gas in the air of subtropics to temperate climate area, comprising:
Reactor chamber, for holding the substratum comprising chlorella vulgaris;
Inlet mouth, for described system input air;
Air pump, for controlling the flow velocity of described air;
Gas pressure regulator, for controlling the air pressure of described air;
Sprinker, for being transported to described substratum by described air with the form of small bubbles;
Temperature regulator, for detecting the temperature of described substratum and regulating the temperature of described substratum to ideal temperature;
Multiple CO
2concentration inductor block, for monitoring CO
2concentration;
Light intensity controls, for perception and controlled light intensity;
PH meter, for monitoring the pH value of described substratum;
Relative humidity inductor block, for monitoring the relative humidity of described air; With
Air outlet, for discharging system by having the Purge gas reducing gas concentration lwevel.
2. system according to claim 1, is characterized in that, described area is South East Asia or Hong Kong.
3. system according to claim 1, it is characterized in that, described chlorella comprises chlorella (Chlorellasp), Chlorella pyrenoidesa (Chlorellapyrenoidosa), Chlorella vulgaris (Chlorellavulgaris) or its combination.
4. system according to claim 1, is characterized in that, described substratum is Bu Shi substratum.
5. system according to claim 1, is characterized in that, described reactor chamber is plate.
6. system according to claim 5, is characterized in that, described reactor chamber by multiple partitioned portion being used for being formed multiple internal flow pattern every.
7. system according to claim 1, is characterized in that, described reactor chamber is tubulose.
8. system according to claim 7, is characterized in that, the diameter of described reactor chamber is 1:5 to 1:10 with the ratio of height.
9. system according to claim 7, is characterized in that, multiple reactor chamber is lined up vertical row.
10. system according to claim 1, is characterized in that, described CO
2concentration inductor block comprises at least one CO
2inlet concentration inductor block and at least one CO
2exit concentration inductor block.
11. systems according to claim 1, is characterized in that, the pH value of described substratum is 7 to 9.
12. systems according to claim 1, is characterized in that, the material of described reactor chamber is glass, acrylplastics or polyacrylic plastics.
13. systems according to claim 1, is characterized in that, the flow velocity of described air is 0.1L/min to 20L/min.
14. systems according to claim 1, is characterized in that, the temperature of described substratum is 15 DEG C to 30 DEG C.
15. systems according to claim 1, is characterized in that, described intensity of illumination is 50 μm of olm
-2s
-1pPFD is to 500 μm of olm
-2s
-1pPFD.
16. 1 kinds of methods utilizing the system described in claim 1 to reduce the carbonic acid gas in the air in subtropics to temperate climate area, comprising:
Described system is entered by inlet mouth conveying air;
Regulate the temperature of substratum to ideal working temperature;
With the intensity set as described substratum provides illumination;
Under preset flow rate, carry described air to enter into described substratum with the form of small bubbles;
Air is purified from air outlet; With
Preset all after dates by the concentration dilution of described substratum to starting point concentration.
17. methods according to claim 16, is characterized in that, also comprise the biomass of collecting and producing in photosynthetic process.
18. methods according to claim 16, is characterized in that, described area is South East Asia or Hong Kong.
19. methods according to claim 16, it is characterized in that, chlorella comprises chlorella (Chlorellasp), Chlorella pyrenoidesa (Chlorellapyrenoidosa), Chlorella vulgaris (Chlorellavulgaris) or its combination.
20. methods according to claim 16, is characterized in that, described substratum is Bu Shi substratum.
21. methods according to claim 16, is characterized in that, the described default cycle is two weeks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213851.4A CN112961771A (en) | 2014-12-16 | 2015-12-16 | Photobioreactor system for air purification |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462124348P | 2014-12-16 | 2014-12-16 | |
| US62/124,348 | 2014-12-16 | ||
| US14/968,931 | 2015-12-15 | ||
| US14/968,931 US20160166985A1 (en) | 2014-12-16 | 2015-12-15 | Photobioreactor system for air purification by using microalgae |
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| CN110257221A (en) * | 2019-06-24 | 2019-09-20 | 王晨 | A kind of microalgae bioreactor purifying air and the sunshading board based on the microalgae bioreactor |
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