CN104560637A - Rotatable film-forming type microalgae photosynthetic reactor - Google Patents
Rotatable film-forming type microalgae photosynthetic reactor Download PDFInfo
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- CN104560637A CN104560637A CN201510003042.5A CN201510003042A CN104560637A CN 104560637 A CN104560637 A CN 104560637A CN 201510003042 A CN201510003042 A CN 201510003042A CN 104560637 A CN104560637 A CN 104560637A
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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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/02—Photobioreactors
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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
- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/02—Membranes; Filters
- C12M25/04—Membranes; Filters in combination with well or multiwell plates, i.e. culture inserts
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- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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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
- C12M41/42—Means for regulation, monitoring, measurement or control, e.g. flow regulation of agitation speed
Abstract
The invention relates to a rotatable film-forming type microalgae photosynthetic reactor; the rotatable film-forming type microalgae photosynthetic reactor disclosed by the invention is characterized by comprising an algae solution stirring system, an algae solution backflow system, an illumination film-forming system of the reactor main body and a rotatable control system of the reactor; after being uniformly mixed in the algae solution stirring system at first, algae species and a culture medium are fed into the algae solution backflow system through a pump, flow through the illumination film-forming system of the reactor main body under the action of water level difference, and finally back flow into the algae solution stirring system, so that cycling is realized; and the rotatable control system of the reactor controls the illumination film-forming system of the reactor main body to rotate at constant speed. According to the invention, the specific surface area of the microalgae photosynthetic reactor is greatly increased; the vertical space can be sufficiently utilized; the occupation area can be greatly reduced; the illumination uniformity is increased; gas exchange is strengthened; by means of flow design of a culture solution on a film, energy and energy consumption required by material exchange are greatly saved; furthermore, the rotatable film-forming type microalgae photosynthetic reactor is scientific and reasonable in design, simple to operate and convenient to maintain; and the production scale can be expanded by connecting the microalgae photosynthetic reactors in parallel.
Description
Technical field
The invention belongs to biological technical field, be specifically related to a kind of rotatable biofilm and decline algae photosynthetic reactor.
Background technology
Micro-algae large-scale cultivation has good industrialization prospect, but along with to microdisk electrode R&D work deepen continuously, people more and more clearly find the development of micro-algae photosynthetic reactor be restriction micro-algae industrialization an important factor.The research and development of efficient micro-algae photosynthetic reactor are important composition systems of Microalgae biotechnology.Micro-algae photosynthesis physiological target is mainly divided into open algae photosynthetic reactor and and airtight algae photosynthetic reactor two class that declines of declining.
Chinese patent ZL2010101363004 " a kind of device for microalgae mass cultivation and cultural method ", disclose and a kind of to decline algae photosynthetic reactor patent about runway, its drip irrigation device is: open raceway pond is connected with bioreactor by pump, the more open raceway pond formation recycle system is got back in outflow from bioreactor; Install pedal whipping appts additional to realize cultivating circulating of algae liquid.Although this design can directly utilize natural growing environment, easily amplify, the cost of the construction of raceway pond, operation and cleaning is all lower, and the specific surface area of raceway pond is little, utilization rate of carbon dioxide is low; The effect of mutually blocking of frustule makes incident light constantly decay in the process penetrating algae liquid, causes the efficiency of light energy utilization very not high; A large amount of energy consumption is needed to promote nutrient solution flowing; Add the factors such as floor space is large, carry out micro-algae extensive anniversary cultivate so be not suitable for rainy and autumn in summer steam output the is large China's wide geographic area of, energy shortage in short supply in soil, spring and summer.
Chinese patent ZL2013207575123 " the duct type bioreactor that a kind of microalgae mass is cultivated ", disclose a kind of pipeline to decline algae photosynthetic reactor patent, its drip irrigation device is: closed training mode, adopts many group photosynthesis conduits to be composed in series photosynthetic reactor, with CO
2make up system connects and composes the recycle system.Although micro-algae not easily pollutes this design, the ratio that reactor illuminating surface amasss volume is large, CO
2supply is sufficient, but its complex structure, cost compared with high, system is huge, equipment occupation space is large, easily occur that oxygen is piled up, cleaning is difficult, complex operation, operation and maintenance cost is high, becomes the bottleneck problem limiting its commercial application.Be not suitable for the requirement of energy microalgae, the micro-algae low cost of feed, large scale culturing.
The structure of similar film introduced film or be made up of a large amount of threads in the design of micro-algae photosynthetic reactor, make microalgae culture in most time, be in light transmission good and have the surface of the membranaceous object of enough retention abilitys and bioaffinity, greatly can improve algae liquid and evenly accept illumination, promote the efficiency of culture absorbing carbon dioxide, exhalation oxygen.Can make full use of vertical space by extending membranoid substance, the design of slow circumvolve can improve the homogeneity of illumination further, strengthening gaseous interchange.Only a pump handle microalgae culture need be utilized to rise to feed coefficient from low level pond.
Summary of the invention
Object of the present invention is exactly decline algae photosynthetic reactor Problems existing with not enough for the micro-algae photosynthetic reactor of tubular type and runway, provides a kind of rotatable biofilm to decline algae photosynthetic reactor.
The present invention is made up of algae liquid stirring system (I), algae liquid return-flow system (II), reactor body illumination biofilm system (III) and reactor Rotable Control System (IV).
Described algae liquid stirring system (I) comprises micro-algae mixing pit (1), fluid inlet (2), leakage fluid dram (3), agitating vane (4).Micro-algae mixing pit (1) is positioned at the bottom of micro-algae photosynthetic reactor, and the top at micro-algae mixing pit (1) edge is provided with fluid inlet (2), and bottom is provided with leakage fluid dram (3), and agitating vane (4) is located in the middle of micro-algae mixing pit (1).Substratum enters micro-algae mixing pit (1) by fluid inlet (2), and algae kind adds with certain inoculum size cultivates in algae mixing pit in a subtle way, and the micro-algae of high density of acquisition is flowed out by leakage fluid dram (3) again, can be connected with follow-up microalgae harvesting system.In microdisk electrode process, particularly high-density culture, the rotation of agitating vane (4), promotes that microalgae cell is dispersed in the medium, prevents flocculation sediment.
Described algae liquid return-flow system (II) is made up of support (5), pump (6), filter collector (7), upflow tube (8), algae liquid liquid storage tank (9), algae liquid tail pipe (10) and algae liquid drain pipe (11).Support (5) is erected in micro-algae mixing pit (1) side, and algae liquid liquid storage tank (9) is placed on the top of support (5).Be provided with upflow tube (8) in the upper end of algae liquid liquid storage tank (9), the lower outlet of upflow tube (8) is connected to micro-algae mixing pit (1); Be provided with algae liquid drain pipe (11) in the lower end of algae liquid liquid storage tank (9), its exit end is connected to algae liquid divider (13); The top of algae liquid liquid storage tank (9) is located in algae liquid tail pipe (10) outlet, and its other end is connected with filter collector (7) by pump (6), and filter collector (7) is fixed in algae liquid mixing pit (1).Algae liquid in algae liquid mixing pit (1) under the effect of pump (6), by filter collector (7)--algae liquid tail pipe (10), at the uniform velocity sucks in algae liquid liquid storage tank (9).Algae liquid in algae liquid liquid storage tank (9) at the uniform velocity flows out to reactor body illumination biofilm system (III) by algae liquid drain pipe (11), finally gets back to algae liquid mixing pit (1) and realizes circulation.Upflow tube (8) set by the upper end of algae liquid liquid storage tank (9), can get back to algae liquid mixing pit (1) the direct water conservancy diversion of algae liquid exceeding safety level, prevent algae hydrorrhea from going out.
Described reactor body illumination biofilm system (III) is made up of algae liquid distributing reservoir (12), algae liquid divider (13) and biofilm (14).Algae liquid divider (13) point upper and lower two parts, its top is connected to the bottom of algae liquid distributing reservoir (12), and biofilm (14) hangs between upper and lower two parts of algae liquid divider (13) equably.Algae liquid in algae liquid liquid storage tank (9) enters into algae liquid distributing reservoir (12) through algae liquid drain pipe (11) due to action of gravity, each position of biofilm (14) upper end is evenly distributed to by the top of algae liquid divider (13), and under the force of gravity from top to bottom complications flow to the lower end of biofilm (14), enter the bottom of algae liquid divider (13), finally flow back in algae liquid mixing pit (1), realize circulation.
Described reactor Rotable Control System (IV) is made up of step-down gear (15), pull bar (16), small belt pulley (17), belt (18), big belt pulley (19), bearing (20), pipe core (21), central shaft (22) and built-in fitting (23).One end horizontal welding of pull bar (16) is in the upper end of support (5); The other end and central shaft (22) upper end of pull bar (16) are fixed, central shaft (22) lower end is fixed on and is placed on the middle built-in fitting (23) in algae liquid mixing pit (1) bottom; Step-down gear (15) is fixed on pull bar (16), and small belt pulley (17) is fixed in the rotating shaft of step-down gear (15), and small belt pulley (17) is connected with big belt pulley (19) by belt (18); Pipe core (21) is fixed on central shaft (22) by bearing (20), and big belt pulley (19), algae liquid distributing reservoir (12), reactor body illumination biofilm system (III) and agitating vane (4) are fixed on pipe core (21) from top to bottom successively.When reactor Rotable Control System (IV) runs, step-down gear (15) drives small belt pulley (17); Small belt pulley (17) drives big belt pulley (19) by belt (18); Big belt pulley (19) drives the rotation of pipe core (21).Regulate the rotating speed of step-down gear (15) that the rotating speed of reactor body illumination biofilm system (III) and agitating vane (4) can be controlled, realize algae liquid all to have an opportunity evenly to accept illumination at each position of reactor body biofilm system (III), and maintain the Homogeneous phase mixing of microalgae cell and substratum in micro-algae mixing pit, prevent microalgae adherence and sedimentation.
Annexation between four subsystems is: after first algae kind and substratum mix in algae liquid stirring system (I), by being pumped into algae liquid return-flow system (II), at waterhead flows by action through reactor body illumination biofilm system (III), be finally back to algae liquid stirring system (I) and realize circulation.Reactor Rotable Control System (IV) controls reactor body illumination biofilm system (III) and at the uniform velocity rotates.
Micro-for multiple rotating suspension membrane type algae photosynthetic reactor parallel connection, when scale operation, as required, can use by the micro-algae photosynthetic reactor of described rotating suspension membrane type.
Present invention employs membrane structure, substantially increase the specific surface area of micro-algae photosynthetic reactor, make microalgae culture be in printing opacity in most time and there is the surface of the membranaceous object of enough retention abilitys and bioaffinity, greatly can strengthen algae liquid and evenly accept illumination, promote the efficiency of culture absorbing carbon dioxide, exhalation oxygen.Micro-algae photosynthetic reactor of the present invention can make full use of vertical space, greatly reduces floor space; The structure that membranous system for reactor devises slow circumvolve can improve the homogeneity of illumination further, strengthening gaseous interchange.The flowing of nutrient solution on film be segregation drive, greatly saved and promoted energy in photosynthetic reactor, energy consumption needed for exchange of substance.In addition, this reactor design is scientific and reasonable, simple to operate, easy to maintenance, can also be expanded the scale of production by the number increasing similar micro-algae photosynthetic reactor in parallel.
Accompanying drawing explanation
Fig. 1 is the front view of the micro-algae photosynthetic reactor of rotating suspension membrane type.Wherein, 1 is algae liquid mixing pit; 2 is fluid inlet; 3 is leakage fluid dram; 4 is agitating vane; 5 is support; 6 is pump; 7 is filter collector; 8 is upflow tube; 9 is algae liquid liquid storage tank; 10 is algae liquid tail pipe; 11 is algae liquid drain pipe; 12 is algae liquid distributing reservoir; 13 is algae liquid divider; 14 is biofilm; 15 is step-down gear; 16 is pull bar; 17 is small belt pulley; 18 is belt; 19 is big belt pulley; 20 is bearing; Manage centered by 21; Axle centered by 22; 23 is built-in fitting.
Fig. 2 is the side-view of the micro-algae photosynthetic reactor of rotating suspension membrane type.Wherein, I is algae liquid stirring system, and II is algae liquid return-flow system, and III is reactor body illumination biofilm system, and IV is reactor Rotable Control System.
Embodiment
The present invention will be described further by following examples.
Embodiment 1.
The present embodiment is made up of algae liquid stirring system I, algae liquid return-flow system II, reactor body illumination biofilm system III and reactor Rotable Control System IV.
Described algae liquid stirring system I comprises micro-algae mixing pit 1, fluid inlet 2, leakage fluid dram 3, agitating vane 4.Micro-algae mixing pit 1 is positioned at the bottom of micro-algae photosynthetic reactor, and the top at micro-algae mixing pit 1 edge is provided with fluid inlet 2, and bottom is provided with leakage fluid dram 3, and agitating vane 4 is located in the middle of micro-algae mixing pit 1.Substratum enters micro-algae mixing pit 1 by fluid inlet 2, and algae kind adds with certain inoculum size cultivates in algae mixing pit in a subtle way, and the micro-algae of high density of acquisition is flowed out by leakage fluid dram 3 again, can be connected with follow-up microalgae harvesting system.In microdisk electrode process, particularly high-density culture, the rotation of agitating vane 4, promotes that microalgae cell is dispersed in the medium, prevents flocculation sediment.
Described algae liquid return-flow system II is made up of support 5, pump 6, filter collector 7, upflow tube 8, algae liquid liquid storage tank 9, algae liquid tail pipe 10 and algae liquid drain pipe 11.Support 5 is erected in micro-algae mixing pit 1 side, and algae liquid liquid storage tank 9 is placed on the top of support 5.Be provided with upflow tube 8 in the upper end of algae liquid liquid storage tank 9, the lower outlet of upflow tube 8 is connected to micro-algae mixing pit 1; Be provided with algae liquid drain pipe 11 in the lower end of algae liquid liquid storage tank 9, its exit end is connected to algae liquid divider 13; The top of algae liquid liquid storage tank 9 is located in the outlet of algae liquid tail pipe 10, and its other end is connected with filter collector 7 by pump 6, and filter collector 7 is fixed in algae liquid mixing pit 1.Algae liquid in algae liquid mixing pit 1, under the effect of pump 6, by filter collector 7--algae liquid tail pipe 10, at the uniform velocity sucks in algae liquid liquid storage tank 9.Algae liquid in algae liquid liquid storage tank 9 at the uniform velocity flows out to reactor body illumination biofilm system III by algae liquid drain pipe 11, finally gets back to algae liquid mixing pit 1 and realizes circulation.Upflow tube 8 set by the upper end of algae liquid liquid storage tank 9, can get back to algae liquid mixing pit 1 the direct water conservancy diversion of algae liquid exceeding safety level, prevent algae hydrorrhea from going out.
Described reactor body illumination biofilm system III is made up of algae liquid distributing reservoir 12, algae liquid divider 13 and biofilm 14.Algae liquid divider about 13 points two parts, its top is connected to the bottom of algae liquid distributing reservoir 12, and biofilm 14 hangs between algae liquid divider about 13 two parts equably.Algae liquid in algae liquid liquid storage tank 9 enters into algae liquid distributing reservoir 12 through algae liquid drain pipe 11 due to action of gravity, each position of biofilm 14 upper end is evenly distributed to by the top of algae liquid divider 13, and the from top to bottom tortuous lower end flowing to biofilm 14 under the force of gravity, enter the bottom of algae liquid divider 13, finally flow back in algae liquid mixing pit 1, realize circulation.
Described reactor Rotable Control System IV is made up of step-down gear 15, pull bar 16, small belt pulley 17, belt 18, big belt pulley 19, bearing 20, pipe core 21, central shaft 22 and built-in fitting 23.One end horizontal welding of pull bar 16 is in the upper end of support 5; The other end and central shaft 22 upper end of pull bar 16 are fixed, central shaft 22 lower end is fixed on and is placed on built-in fitting 23 middle bottom algae liquid mixing pit 1; Step-down gear 15 is fixed on pull bar 16, and small belt pulley 17 is fixed in the rotating shaft of step-down gear 15, and small belt pulley 17 is connected with big belt pulley 19 by belt 18; Pipe core 21 is fixed on central shaft 22 by bearing 20, and big belt pulley 19, algae liquid distributing reservoir 12, reactor body illumination biofilm system III and agitating vane 4 are fixed on pipe core 21 from top to bottom successively.When reactor Rotable Control System IV runs, step-down gear 15 drives small belt pulley 17; Small belt pulley 17 drives big belt pulley 19 by belt 18; Big belt pulley 19 drives the rotation of pipe core 21.Regulate the rotating speed of step-down gear 15 can control the rotating speed of reactor body illumination biofilm system III and agitating vane 4, realize algae liquid all to have an opportunity evenly to accept illumination at each position of reactor body biofilm system III, and maintain the Homogeneous phase mixing of microalgae cell and substratum in micro-algae mixing pit, prevent microalgae adherence and sedimentation.
Embodiment 2.Application example.
Before starting both culturing microalgae, first preparation is containing the chlorinated lime aqueous solution of reactive chlorine 10mg/L, import algae liquid mixing pit, ejector priming and swivel arrangement run 2 days and kill assorted algae, after zooplankton and worm's ovum thereof, waste liquid is bled off from leakage fluid dram, use the micro-algae photosynthetic reactor of clean water rotating suspension membrane type 2 times again, subsequently can by 5000L micro-algae culture medium, algae liquid mixing pit is imported from fluid inlet, with the inoculum size access chlorella algae kind of 15%, first open algae liquid stirring system 10 minutes, algae liquid is mixed, and then open pump and algae liquid is sent to algae liquid liquid storage tank, regulate upflow tube and algae liquid liquid-inlet pipe valve to suitable position, control flow velocity well, algae liquid automatically flows through main body illumination biofilm system under the force of gravity and gets back to algae liquid mixing pit.Through the Cyclic culture of 6 days, in algae liquid, chlorella dry matter content reached 4.1g/L.
Claims (1)
1. rotatable biofilm declines an algae photosynthetic reactor, it is characterized in that being made up of algae liquid stirring system (I), algae liquid return-flow system (II), reactor body illumination biofilm system (III) and reactor Rotable Control System (IV);
Described algae liquid stirring system (I) comprises micro-algae mixing pit (1), fluid inlet (2), leakage fluid dram (3), agitating vane (4); Micro-algae mixing pit (1) is positioned at the bottom of micro-algae photosynthetic reactor, and the top at micro-algae mixing pit (1) edge is provided with fluid inlet (2), and bottom is provided with leakage fluid dram (3), and agitating vane (4) is located in the middle of micro-algae mixing pit (1);
Described algae liquid return-flow system (II) is made up of support (5), pump (6), filter collector (7), upflow tube (8), algae liquid liquid storage tank (9), algae liquid tail pipe (10) and algae liquid drain pipe (11); Support (5) is erected in micro-algae mixing pit (1) side, and algae liquid liquid storage tank (9) is placed on the top of support (5); Be provided with upflow tube (8) in the upper end of algae liquid liquid storage tank (9), the lower outlet of upflow tube (8) is connected to micro-algae mixing pit (1); Be provided with algae liquid drain pipe (11) in the lower end of algae liquid liquid storage tank (9), its exit end is connected to algae liquid divider (13); The top of algae liquid liquid storage tank (9) is located in algae liquid tail pipe (10) outlet, and its other end is connected with filter collector (7) by pump (6), and filter collector (7) is fixed in algae liquid mixing pit (1);
Described reactor body illumination biofilm system (III) is made up of algae liquid distributing reservoir (12), algae liquid divider (13) and biofilm (14); Algae liquid divider (13) point upper and lower two parts, its top is connected to the bottom of algae liquid distributing reservoir (12), and biofilm (14) hangs between upper and lower two parts of algae liquid divider (13) equably;
Described reactor Rotable Control System (IV) is made up of step-down gear (15), pull bar (16), small belt pulley (17), belt (18), big belt pulley (19), bearing (20), pipe core (21), central shaft (22) and built-in fitting (23); One end horizontal welding of pull bar (16) is in the upper end of support (5); The other end and central shaft (22) upper end of pull bar (16) are fixed, central shaft (22) lower end is fixed on and is placed on the middle built-in fitting (23) in algae liquid mixing pit (1) bottom; Step-down gear (15) is fixed on pull bar (16), and small belt pulley (17) is fixed in the rotating shaft of step-down gear (15), and small belt pulley (17) is connected with big belt pulley (19) by belt (18); Pipe core (21) is fixed on central shaft (22) by bearing (20), and big belt pulley (19), algae liquid distributing reservoir (12), reactor body illumination biofilm system (III) and agitating vane (4) are fixed on pipe core (21) from top to bottom successively.
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Cited By (7)
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|---|---|---|---|---|
| CN107400626A (en) * | 2017-09-19 | 2017-11-28 | 广西大学 | A kind of micro algae culturing device |
| CN107475089A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of tidal type photo-biological culture apparatus |
| CN107475090A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of new tidal type bioreactor |
| CN109439535A (en) * | 2018-12-04 | 2019-03-08 | 南昌大学 | A kind of micro algae culturing device |
| CN110981119A (en) * | 2019-12-31 | 2020-04-10 | 贵州省人民医院 | Microalgae biological reaction device and sewage treatment method |
| CN111808724A (en) * | 2020-07-29 | 2020-10-23 | 重庆大学 | Biological membrane suspension combined type photobioreactor for efficiently purifying biogas slurry by microalgae |
| CN113620516A (en) * | 2021-08-03 | 2021-11-09 | 生态环境部南京环境科学研究所 | Treatment device for purifying farmland drainage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107400626A (en) * | 2017-09-19 | 2017-11-28 | 广西大学 | A kind of micro algae culturing device |
| CN107475089A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of tidal type photo-biological culture apparatus |
| CN107475090A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of new tidal type bioreactor |
| CN109439535A (en) * | 2018-12-04 | 2019-03-08 | 南昌大学 | A kind of micro algae culturing device |
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| CN110981119A (en) * | 2019-12-31 | 2020-04-10 | 贵州省人民医院 | Microalgae biological reaction device and sewage treatment method |
| CN111808724A (en) * | 2020-07-29 | 2020-10-23 | 重庆大学 | Biological membrane suspension combined type photobioreactor for efficiently purifying biogas slurry by microalgae |
| CN111808724B (en) * | 2020-07-29 | 2022-05-10 | 重庆大学 | Biological membrane suspension combined type photobioreactor for efficiently purifying biogas slurry by microalgae |
| CN113620516A (en) * | 2021-08-03 | 2021-11-09 | 生态环境部南京环境科学研究所 | Treatment device for purifying farmland drainage |
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Application publication date: 20150429 |