CN101020890B - Photobiological hydrogen producing reactor with built-in light conducting scatterer - Google Patents
Photobiological hydrogen producing reactor with built-in light conducting scatterer Download PDFInfo
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- CN101020890B CN101020890B CN2007100782757A CN200710078275A CN101020890B CN 101020890 B CN101020890 B CN 101020890B CN 2007100782757 A CN2007100782757 A CN 2007100782757A CN 200710078275 A CN200710078275 A CN 200710078275A CN 101020890 B CN101020890 B CN 101020890B
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- leaded light
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- scattering post
- light
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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
- C12M31/00—Means for providing, directing, scattering or concentrating light
- C12M31/08—Means for providing, directing, scattering or concentrating light by conducting or reflecting elements located inside the reactor or in its structure
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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
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
Abstract
The photobiological hydrogen producing reactor with built-in light conducting and scattering column consists of one reactor box with liquid inlet and liquid outlet; and one light accepting plate covering the top of the reactor box. It features that the light accepting plate has at least two light conducting and scattering columns fixed perpendicular to the light accepting plate and at least two parallel baffle plates perpendicular to the columns. The light accepting plate and the light conducting and scattering columns are made of organic glass or transparent resin. The present invention has the advantages of low cost, high hydrogen producing rate, etc, and may be used widely in environment protection, energy source and other industry.
Description
Technical field
The present invention relates to biological hydrogen production reactor, be specifically related to utilize photosynthetic bacterium to realize the light biological hydrogen producing reactor of the built-in light conducting scattering post of biological hydrogen production.
Background technology
Utilize photosynthetic bacteria hydrogen production to be considered to biological hydrogen production one of the most promising mode (Debabrata Das, et al.Hydrogen production by biologicalprocesses:a survey of literature.International Journal ofHydrogen Energy 26 (2001) 13-28.).This mainly be because: hydrogen production with photosynthetic bacteria has higher photochemical transformation rate in theory; It can avoid the problem of oxygen quenching; This method has the ability of utilization than wide spectral range; This method has the ability of the organic pollutant that removal produced in wastewater treatment process.
At present, existing light biological hydrogen producing reactor has tubular type, board-like, three types of (Harun Kokua of stirring pot type, Inci Eroglua, Ufuk Gunduzb, Aspects of themetabolism of hydrogen production by Rhodobacter sphaeroides, International Journal of Hydrogen Energy 27 (2002) 1315-1329;
Li Peng, Long Minnan, photobiological hydrogen production progress, Xiamen University's journal (natural science edition) in August, 2004;
Liu Zhiwei, Yu Ruoqian, Guo Yong, the bioreactor that little algae is cultivated, modern chemical industry in December, 2000), wherein, the system sealing of tubular type bioreactor is good, be connected with miscellaneous equipment easily, but for the light-receiving area that improves unit volume and the intensity of illumination in the reactor, the caliber of reactor is (Murtuza A.Syed too greatly, Paul F.Henshaw.Effect of tubesize on performance of a fixed-film tubular bioreactor forconversion of hydrogen sulfide to elemental sulfur.WaterResearch 37 (2003) 1932-1938.), yet adopt the size and the manufacturing process difficulty of little caliber meeting augmenting response device, increase tooling cost, cause simultaneously reactor plugs easily, cause reactor efficiency to reduce, even (the Baker Zabut that lost efficacy, Kamal El-Kahlout, MeralY ü cel, Hydrogen gas production by combined systems of Rhodobactersphaeroides O.U.001 and Halobacterium salinarum in aphotobioreactor, International Journal of Hydrogen Energy 31 (2006) 1553-1562;
John?R.Benemann，Hydrogen?production?by?microalgae，Journalof?Applied?Phycology?12：291-300，2000；
M.Yetis，U.?
z，I.Eroglu，Photoproduction?ofhydrogen?from?sugar?refinery?wastewater?by?Rhodobactersphaeroides?O.U.001，International?Journal?of?Hydrogen?Energy25(2000)1035-1041；
M.Modigell, N.Holle, Reactor development for a biosolarhydrogen production process, Renewable Energy Vol.14.Nos.1-4,421-426,1998.); Flat bioreactor dimming capability is very strong, can guarantee that effective liquid layer fully is subjected to light, strengthens luminous energy and absorbs conversion.But the surface-area that shortcoming is the microorganism of unit reactor floor space can adhere to is less, limited the cell volume of holding in the reactor, be unfavorable for the immobilization of cell, produce not high (the Ida Akkerman of hydrogen rate, Marcel Janssen, Jorge Rocha, Photobiological hydrogen production:photochemical efficiencyand bioreactor design, International Journal of Hydrogen Energy27 (2002) 1195-1208;
Hiroo?Takabatake，Kiyohiko?Suzuki，In-Beom?Ko，Characteristicsof?anaerobic?ammonia?removal?by?a?mixed?culture?of?hydrogenproducing?photosynthetic?bacteria，Bioresource?Technology?95(2004)151-158；
Sebastiaan?Hoekema，Martijn?Bijmans，Marcel?Janssen，Apneumatically?agitated?flat-panel?photobioreactor?with?gasre-circulation：anaerobic?photoheterotrophic?cultivation?of?apurple?non-sulfur?bacterium，International?Journal?of?HydrogenEnergy?27(2002)1331-1338；
Xu Bo, Wang Changhai, the flat bioreactor high-density culture of little algae, 2003 1 phases of food and fermentation industries;
Zhang Quanguo, You Xifeng etc., the Study on influencing factors of sun power photosynthetic organism hydrogen generation phototranstormation efficiency, Agricultural University Of He'nan's journal in March, 2004).Stirring the pot type photoreactor is on the basis of traditional microorganism fermentation tank, increasing illumination is used for the photosynthetic bacterium cultivation and produces hydrogen, its advantage is that bigger nutrient solution volume is arranged in limited floor space, shortcoming is that light will could arrive microorganism by liquid, light intensity attenuation is big, the photochemistry efficiency of conversion is low, stir the shearing force meeting cell growth inhibiting and the damaging cells that produce, the mode of cell suspension culture unit method realizes the product hydrogen technology of Continuous Flow in addition, also be mixed with losing issue (the Michael Herrenbauer of bacterial classification simultaneously, Iris Perner, Karsten Schmidt, Design of a photo-bioreactor for modellingpurposes, Chemical Engineering and Processing 38 (1999) 517-523;
Tang Guilan, Sun Zhenjun, the present Research of bio-hydrogen production technology and development, biotechnology in February, 2007).
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of extinction ability strong, and photochemical transformation efficient height utilizes photosynthetic bacterium to realize the light biological hydrogen producing reactor of the built-in light conducting scattering post of biological hydrogen production.
In order to solve the problems of the technologies described above, a technical scheme of the present invention is, a kind of light biological hydrogen producing reactor of built-in light conducting scattering post, by being subjected to tabula rasa, the reactor casing, liquid inlet, liquid outlet constitutes, described liquid inlet and liquid outlet are separately positioned on the two ends up and down of reactor casing, liquid inlet is used to add bacteria suspension or organic nutrient solution for cultivating or organic waste water, liquid outlet is used for being connected with exterior line, get rid of hydrogen and raffinate, be subjected to be fixed with on the tabula rasa at least two be subjected to the vertical leaded light scattering of tabula rasa post, leaded light scattering post imports light in the reactor, again as the solid attaching substratum of microorganism, microorganism growth and breeding on leaded light scattering post forms microbial film simultaneously; Simultaneously, the light that is imported reactor by leaded light scattering post need not directly act on attached to the microorganism outside the leaded light scattering post by liquid, make the microorganisms biochemical reaction, organic produce hydrogen in the degraded solutions, thereby reach light intensity uniform distribution in reactor, improve the purpose of the intensity of illumination that arrives microorganism;
On leaded light scattering post, be with at least two be parallel to each other and with the vertical traverse baffle of leaded light scattering post, the size of described traverse baffle is consistent with the inner chamber of reactor casing with shape, end at traverse baffle has the breach that makes the liquids and gases circulation, gapped between adjacent two traverse baffles, and breach is crisscross arranged; Traverse baffle has the guide functions to liquid, can change the flow direction of liquid, makes it form horizontal the flowing of leaded light scattering post cluster of plunderring, and improve the velocity of flow of liquid simultaneously, thereby organism is to biomembranous mass transfer in the enhance liquid, improves hydrogen generation efficiency;
The described tabula rasa that is subjected to covers upper surface at the reactor casing, leaded light scattering post and traverse baffle are placed in the inner chamber of reactor casing, described tabula rasa and the leaded light scattering post of being subjected to made with synthetic glass or transparent resin, be convenient to passing through and in reactor and biomembranous transmission, increasing the intensity of illumination that arrives microbial film place light in the reactor of light.
Described light biological hydrogen producing reactor is owing to be provided with leaded light scattering post, improved uniform distribution degree and the propagation distance of light in reactor, increased the light intensity that arrives microorganism, make microorganism have enough attaching surfaces long-pending, increase biomembranous specific surface area in the reactor, thereby increased the photosynthetic bacterium volume of holding in the reactor, be beneficial to cell fixation, photochemical transformation efficient height has improved the wastewater treatment ability and the hydrogen production potential of reactor thus.
In the preferred version of the present invention, described leaded light scattering post is evenly arranged, fork row or in-line arrangement distribute between adjacent two row's leaded light scattering posts, under the horizontal operation scheme of plunderring leaded light scattering post cluster of Continuous Flow, can increase the fluidic disturbance greatly, thereby promote the uniform distribution of concentration of substrate in reactor, and then reduced the resistance to mass transfer in the reactor.
In the preferred version of the present invention, described leaded light scattering post is cylindrical.
In the preferred version of the present invention, described liquid inlet is arranged on the position of reactor casing near the bottom, liquid outlet is arranged on the position of reactor casing near the top, the breach of the traverse baffle of close liquid inlet is arranged on the opposite of liquid inlet, and the breach of the traverse baffle of close liquid outlet is arranged on the opposite of liquid outlet.
In the preferred version of the present invention, described being subjected to is connected by fastening piece between tabula rasa and the reactor casing.
The beneficial effect of the light biological hydrogen producing reactor of built-in light conducting scattering post of the present invention is, because the introducing of leaded light scattering post has improved uniform distribution degree and the propagation distance of light in reactor, has increased the intensity of illumination that arrives microorganism; Make microorganism that the long-pending formation of enough attaching surfaces microbial film be arranged, thereby increased the photosynthetic bacterium volume of holding in the reactor, increased biomembranous specific surface area in the reactor; In addition, because leaded light scattering post is the row of pitching or in-line arrangement layout evenly, after arranging traverse baffle, the fluid Continuous Flow is horizontal plunders under the operation scheme of leaded light scattering post bundle can increase the fluidic disturbance greatly, thereby promote the uniform distribution of concentration of substrate in reactor, and then reduced the resistance to mass transfer in the reactor; The wastewater treatment ability and the hydrogen production potential of reactor have been improved thus.It is low, easy to operate that this invention simultaneously has a cost, is convenient to clean, and the reactor floor space is little, and unit volume is produced hydrogen rate advantages of higher, both can be used for biological membrane type photosynthetic organism hydrogen generation reactor, also can be used for the biochemical reactor of photosynthetic organism suspension culture.Therefore light biological hydrogen producing reactor of the present invention can be widely used in industries such as environmental protection, the energy, food, feed, has a good application prospect.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the assembly relation synoptic diagram of the light biological hydrogen producing reactor of built-in light conducting scattering post of the present invention.
Fig. 2 is the structural representation of the light biological hydrogen producing reactor of built-in light conducting scattering post of the present invention.
Fig. 3 is a fork row distribution schematic diagram between adjacent two row's leaded light scattering posts 1.
Fig. 4 is an in-line arrangement distribution schematic diagram between adjacent two row's leaded light scattering posts 1.
Embodiment
Embodiment 1: referring to Fig. 1, Fig. 2 and Fig. 3, the light biological hydrogen producing reactor of built-in light conducting scattering post of the present invention, by leaded light scattering post 1, be subjected to tabula rasa 2, reactor casing 3, liquid inlet 4, liquid outlet 5, traverse baffle 6 constitutes, the bottom sealing of described reactor casing 3, open topped, the length of described leaded light scattering post 1 is slightly less than the inner chamber height of reactor casing 3, described liquid inlet 4 is arranged on the position of reactor casing 3 near the bottom, liquid outlet 5 is arranged on the position of reactor casing 3 near the top, liquid inlet 4 is used to add bacteria suspension or organic nutrient solution for cultivating or organic waste water, liquid outlet 5 is used for being connected with exterior line, get rid of hydrogen and raffinate, be subjected to tabula rasa 2 to be provided with 25 equally distributed manholes, fork row distributes between adjacent two exhausting holes, the quantity in hole is consistent with the quantity of leaded light scattering post, certainly, the quantity in hole also can be other natural numbers, need only traverse baffle 6 and can bear by tabula rasa 2, the size in hole is convenient to become wringing fit with leaded light scattering post, leaded light scattering post 1 expands and is subjected in the manhole of tabula rasa 2, the size of described traverse baffle 6 is consistent with the inner chamber of reactor casing 3 with shape, in the present embodiment, the quantity of traverse baffle 6 is 4, certainly, the quantity of traverse baffle 6 also can be other natural numbers, end at traverse baffle 6 has the breach that makes the liquids and gases circulation, gapped and breach is crisscross arranged between adjacent two traverse baffles 6, the breach of the traverse baffle 6 of close liquid inlet 4 is arranged on the opposite of liquid inlet 4, and the breach of the traverse baffle 6 of close liquid outlet 5 is arranged on the opposite of liquid outlet 5; Equally, traverse baffle 6 is provided with through hole, the quantity in hole is consistent with the quantity of leaded light scattering post 1, the size in hole is slightly larger than leaded light scattering post 1, the position in hole be subjected to tabula rasa 2 on the position of the through hole that is provided with corresponding, leaded light scattering post 1 passes the through hole that is provided with on the traverse baffle 6, simultaneously with the fixing traverse baffle 6 of glue, the described tabula rasa 2 that is subjected to covers upper surface at reactor casing 3, leaded light scattering post 1 and traverse baffle 6 are placed in the inner chamber of reactor casing 3, described being subjected to is connected by fastening piece 7 between tabula rasa 2 and the reactor casing 3, such as connecting with flange or bolt, the described tabula rasa 2 and leaded light scattering post 1 usefulness synthetic glass or transparent resin of being subjected to made, and wherein transparent resin can be selected transparent polyethylene or materials such as polypropylene or nylon or ABS for use.
Embodiment 2: referring to Fig. 1, Fig. 2 and Fig. 4, the structural relation of the light biological hydrogen producing reactor of described built-in light conducting scattering post is with embodiment 1, difference is: at the equally distributed manhole that is subjected to be provided with on the tabula rasa 2, in-line arrangement distributes between adjacent two exhausting holes, assurance leaded light scattering post 1 expands and is subjected in the manhole of tabula rasa 2, becomes in-line arrangement to distribute between adjacent two row's leaded light scattering posts 1.
In specific embodiments of the invention, can select to be subjected to the thickness of tabula rasa 2 is 5～10mm, cylindrical leaded light scattering post 1 diameter 8～20mm, spacing is 2～10mm between the cylindrical leaded light scattering post 1, the quantity of described cylindrical leaded light scattering post 1 is determined according to the intracavity diameter of reactor casing 3, the thickness of described traverse baffle 6 is got 5～20mm, and when the quantity of cylindrical leaded light scattering post 1 is many more, the thickness of traverse baffle 6 is got big more; Simultaneously, between two traverse baffles 6 spacing between the intracavity diameter of reactor casing 3 1/2～1 between, the quantity of traverse baffle 6 is determined according to the inner chamber height of reactor casing 3, however embodiments of the invention are not limited only to this embodiment.
When the light biological hydrogen producing reactor of built-in light conducting scattering post of the present invention is used to produce hydrogen, at first bacteria suspension is added in the reactor by liquid inlet 4, can in bacteria suspension, add organic carbon source, nitrogen, phosphorus, nutritive substances such as potassium, rayed is subjected to tabula rasa 2 and imports light in the reactor and be passed to by leaded light scattering post 1 to be attached to the outer microorganism of leaded light scattering post 1, improved the degree of uniformity of light distribution in the reactor, strengthened the intensity of illumination of the light that is delivered to microorganism, leaded light scattering post 1 provides the microorganic adhesion solid substrate simultaneously, photosynthetic bacterium adheres on leaded light scattering post, growth, form microbial film, generally need 30 days the biofilm phase of 20 ∽, during biofilm, owing in the bacteria suspension a lot of leaded light scattering posts 1 are arranged, make microorganism have enough attaching surfaces long-pending, thereby the biomembranous surface-area of photosynthetic bacterium in the unit volume reactor and the volume of holding of photosynthetic bacterium have been increased, after the film forming, add organic waste water by liquid inlet 4 again, microorganism in reactor on the microbial film is the metabolism organism under the effect of light, produce hydrogen simultaneously, because the traverse baffle 6 that horizontal positioned has polylith to be parallel to each other in the inner chamber of reactor casing 3, end at traverse baffle has breach, breach between adjacent two traverse baffles is crisscross arranged, traverse baffle 6 provides guide functions for bacteria suspension or organic waste water and hydrogen, bacteria suspension or organic waste water and hydrogen are flowed out from liquid outlet along the fixed runner, and isolate hydrogen and raffinate by the external hydrogen separating device.
When the light biological hydrogen producing reactor with built-in light conducting scattering post of the present invention is used to produce bacterium, different with aforesaid way is: at first bacteria suspension and organic nutrient solution for cultivating are added in the reactor by liquid inlet 4 simultaneously, can in bacteria suspension and organic nutrient solution for cultivating, add nitrogen, phosphorus, nutritive substances such as potassium, rayed is subjected to tabula rasa 2 and imports light in the reactor by leaded light scattering post 1, leaded light scattering post 1 provides the cell attachment solid substrate simultaneously, bacterium adheres on leaded light scattering post, growth, in nutrient solution, breed simultaneously, because the traverse baffle 6 that horizontal positioned has polylith to be parallel to each other in the inner chamber of reactor casing 3, end at traverse baffle has breach, breach between adjacent two refracting plates is crisscross arranged, traverse baffle 6 provides guide functions for bacteria suspension or organic nutrient solution for cultivating and hydrogen, make bacteria suspension, organic nutrient solution for cultivating and hydrogen flow out from liquid outlet along the fixed runner, through and isolate hydrogen and raffinate by the external hydrogen separating device, the raffinate reusable edible adds in the reactor by liquid inlet 4 once more.
Claims (5)
1. the light biological hydrogen producing reactor of a built-in light conducting scattering post, by constituted by tabula rasa (2), reactor casing (3), liquid inlet (4), liquid outlet (5), described liquid inlet (4) and liquid outlet (5) are separately positioned on the two ends up and down of reactor casing (3), liquid inlet (4) is used to add bacteria suspension or organic nutrient solution for cultivating or organic waste water, liquid outlet (5) is used for being connected with exterior line, get rid of hydrogen and surplus liquid, it is characterized in that:
Be subjected to be fixed with on the tabula rasa (2) at least two be subjected to tabula rasa (2) vertical leaded light scattering post (1), leaded light scattering post (1) imports light in the reactor, again as the solid attaching substratum of microorganism, microorganism growth and breeding on leaded light scattering post forms microbial film simultaneously;
On leaded light scattering post (1), be with at least two be parallel to each other and with the vertical traverse baffle of leaded light scattering post (1) (6), the size of described traverse baffle (6) is consistent with the inner chamber of reactor casing (1) with shape, end at traverse baffle (6) has the breach that makes the liquids and gases circulation, gapped between adjacent two traverse baffles (6), and breach is crisscross arranged;
The described tabula rasa (2) that is subjected to covers in the upper surface of reactor casing (3), and leaded light scattering post (1) and traverse baffle (6) are placed in the inner chamber of reactor casing (3), and described tabula rasa (2) and the leaded light scattering post (1) of being subjected to made with synthetic glass or transparent resin.
2. the light biological hydrogen producing reactor of built-in light conducting scattering post according to claim 1 is characterized in that: described leaded light scattering post (1) arranges that evenly fork row or in-line arrangement distribute between adjacent two row's leaded light scattering posts (1).
3. the light biological hydrogen producing reactor of built-in light conducting scattering post according to claim 2 is characterized in that: described leaded light scattering post (1) is cylindrical.
4. according to the light biological hydrogen producing reactor of claim 1 or 2 or 3 described built-in light conducting scattering posts, it is characterized in that: described liquid inlet (4) is arranged on the position of reactor casing (3) near the bottom, liquid outlet (5) is arranged on the position of reactor casing (3) near the top, the breach of the traverse baffle (6) of close liquid inlet (4) is arranged on the opposite of liquid inlet (4), and the breach of the traverse baffle (6) of close liquid outlet (5) is arranged on the opposite of liquid outlet (5).
5. the light biological hydrogen producing reactor of built-in light conducting scattering post according to claim 4 is characterized in that: described being subjected to is connected by fastening piece (7) between tabula rasa (2) and the reactor casing (3).
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| CN2007100782757A CN101020890B (en) | 2007-03-12 | 2007-03-12 | Photobiological hydrogen producing reactor with built-in light conducting scatterer |
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| CN2007100782757A CN101020890B (en) | 2007-03-12 | 2007-03-12 | Photobiological hydrogen producing reactor with built-in light conducting scatterer |
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| CN101020890B true CN101020890B (en) | 2010-12-01 |
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| CN103114037B (en) * | 2013-01-25 | 2015-04-22 | 河南农业大学 | Biologic membrane photobiologic hydrogen production drip reactor based on light guide carrier |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4970166A (en) * | 1986-07-03 | 1990-11-13 | Kei Mori | Bioreactor having a gas exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4970166A (en) * | 1986-07-03 | 1990-11-13 | Kei Mori | Bioreactor having a gas exchanger |
Non-Patent Citations (3)
| Title |
|---|
| AN J.Y.等.biological desulfurization in an optical-fiber photobioreactorusing an automatic sunlight collection system.journal of biotechnology第80卷.2000,第80卷摘要及图1. * |
| MIGNOT L.等.a new type of immobilized-cell photobioreactor with internal illumination by optical fibres.biotechnology techniques第30卷 第5期.1989,第30卷(第5期),图1. |
| MIGNOT L.等.a new type of immobilized-cell photobioreactor with internal illumination by optical fibres.biotechnology techniques第30卷 第5期.1989,第30卷(第5期),图1. * |
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