CN102787070B - Solar salt bridge electroflocculation device for microalga recovery - Google Patents
Solar salt bridge electroflocculation device for microalga recovery Download PDFInfo
- Publication number
- CN102787070B CN102787070B CN201210323109.XA CN201210323109A CN102787070B CN 102787070 B CN102787070 B CN 102787070B CN 201210323109 A CN201210323109 A CN 201210323109A CN 102787070 B CN102787070 B CN 102787070B
- Authority
- CN
- China
- Prior art keywords
- salt bridge
- salt
- algae
- chamber
- anode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000011084 recovery Methods 0.000 title description 2
- 238000005189 flocculation Methods 0.000 claims abstract description 65
- 230000016615 flocculation Effects 0.000 claims abstract description 60
- 241000195493 Cryptophyta Species 0.000 claims abstract description 56
- 150000003839 salts Chemical class 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000460 chlorine Substances 0.000 claims abstract description 14
- 238000003306 harvesting Methods 0.000 claims abstract description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 12
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 5
- 239000003792 electrolyte Substances 0.000 claims abstract 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000004061 bleaching Methods 0.000 claims abstract 3
- 239000001257 hydrogen Substances 0.000 claims abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract 3
- 239000013049 sediment Substances 0.000 claims abstract 3
- 235000015097 nutrients Nutrition 0.000 claims abstract 2
- 239000012528 membrane Substances 0.000 claims description 47
- 239000000243 solution Substances 0.000 claims description 42
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical group [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 32
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 32
- 229920001817 Agar Polymers 0.000 claims description 20
- 239000008272 agar Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 16
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 125000000129 anionic group Chemical group 0.000 claims description 12
- 239000013535 sea water Substances 0.000 claims description 12
- 125000002091 cationic group Chemical group 0.000 claims description 11
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000012266 salt solution Substances 0.000 claims description 3
- 241001474374 Blennius Species 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 210000004027 cell Anatomy 0.000 claims 1
- 210000003850 cellular structure Anatomy 0.000 claims 1
- 150000003841 chloride salts Chemical class 0.000 claims 1
- 239000003014 ion exchange membrane Substances 0.000 claims 1
- 230000020477 pH reduction Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 23
- 150000002500 ions Chemical class 0.000 description 22
- 230000005611 electricity Effects 0.000 description 21
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 230000003311 flocculating effect Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 230000005518 electrochemistry Effects 0.000 description 8
- 239000005708 Sodium hypochlorite Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000000050 nutritive effect Effects 0.000 description 6
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 159000000003 magnesium salts Chemical class 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000012010 growth Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- UJQGVDNQDFTTLZ-VNHYZAJKSA-N 2-[(2r,4ar,8as)-4a-methyl-8-methylidene-1,2,3,4,5,6,7,8a-octahydronaphthalen-2-yl]prop-2-enoic acid Chemical compound C1CCC(=C)[C@@H]2C[C@H](C(=C)C(O)=O)CC[C@]21C UJQGVDNQDFTTLZ-VNHYZAJKSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 2
- 239000002551 biofuel Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- -1 iron aluminium salt Chemical class 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000016425 Arthrospira platensis Nutrition 0.000 description 1
- 240000002900 Arthrospira platensis Species 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229940082787 spirulina Drugs 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
-
- 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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
-
- 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
-
- 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
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
-
- 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
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/22—Settling tanks; Sedimentation by gravity
-
- 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
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
- C12M43/08—Bioreactors or fermenters combined with devices or plants for production of electricity
-
- 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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/02—Separating microorganisms from the culture medium; Concentration of biomass
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Clinical Laboratory Science (AREA)
- Analytical Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
本发明公开了一种用于微藻采收的太阳能盐桥电絮凝装置，该装置由直流电源系统、控制系统和盐桥系统组成。盐桥系统的盐物质采用含镁离子的电解质，阴电极采用析氢电极网，阳电极采用析氧电极网或析氯电极网。在阳极室内加入合适的电解液，藻池作为阴极室，加入待处理藻液。直流电解足够时间后阴极室的藻液发生絮凝沉降，得到絮凝藻泥，在阳极室得到漂白液或相应的酸。漂白液可用于重复培养时藻池的消毒；得到的酸能够除去絮凝藻泥中的沉淀，得到纯度较高的藻泥；沉淀洗出液可作为盐桥的盐物质重复使用，或作为营养盐广泛使用。本发明能实现环保、高效、低能耗、低成本的藻液絮凝，适用于各类藻液的微藻采收及大规模工业生产。
The invention discloses a solar salt bridge electric flocculation device for harvesting microalgae. The device is composed of a direct current power supply system, a control system and a salt bridge system. The salt material of the salt bridge system adopts the electrolyte containing magnesium ions, the cathode electrode adopts the hydrogen evolution electrode network, and the anode electrode adopts the oxygen evolution electrode network or the chlorine evolution electrode network. Appropriate electrolyte is added to the anode chamber, and the algae pool is used as the cathode chamber, and the algae liquid to be treated is added. After a sufficient time of DC electrolysis, the algae liquid in the cathode chamber flocculates and settles to obtain flocculated algae mud, and bleaching solution or corresponding acid is obtained in the anode chamber. The bleaching solution can be used for the disinfection of the algae pool during repeated cultivation; the obtained acid can remove the sediment in the flocculated algae mud to obtain a higher purity algae mud; the sediment eluate can be reused as the salt substance of the salt bridge, or as a nutrient salt widely used. The invention can realize environmental protection, high efficiency, low energy consumption and low-cost algae fluid flocculation, and is suitable for microalgae harvesting and large-scale industrial production of various algae fluids.
Description
Technical field
The present invention relates to a kind of micro-algae recovering device, relate in particular to a kind of sun power salt bridge electricity flocculation plant of gathering for micro-algae.
Background technology
Along with the day by day exhausted and increasingly serious environmental problem of non-renewable fossil oil, the whole world faces serious energy dilemma and ecocrisis, the exploitation of increasing scholar's active research new forms of energy and the biological restoration of environment.In the exploitation of new forms of energy and the biological restoration of environment, micro-algae becomes study hotspot because possessing some unique features, and these features comprise:
Micro-algae is distributed in the waters such as ocean, lake widely, of a great variety, can directly utilize the simple nutritive substance Fast Growth of the elements such as sunlight, carbonic acid gas and nitrogenous, phosphorus, and in cell synthetic a large amount of greases.Compare with oilseed plants such as soybean, rape and maniocas, the growth cycle of micro-algae is short, and oleaginousness is high, and grease productive rate is high, and unit surface oil offtake is hundreds of times of soybean, and per hectare can be produced several ten thousand per year and rise biofuel.Micro-algae can utilize beach, saltings, desert, and the growths such as underground water of seawater, Desert Area, does not strive ground with farm crop, strives water.Micro-algae fixing great amount of carbon dioxide also in culturing process, according to calculating, 1 ton of micro-algae of every cultivation, can consume approximately 2 tons of carbonic acid gas, therefore, utilizes micro-algae to manufacture the biofuel carbonic acid gas of fixed discharge in a large number.In addition, micro-algae also can utilize the nutritive ingredients such as nitrogen in waste water, phosphorus in light autotrophy culturing process, thus waste water and the city domestic sewage of clean chemical plant emission.
Current micro-algae industry still faces many bottlenecks, as low in the density of micro-algae in algae liquid, and density is less than 10g/L, causes the cost of gathering high.It is reported, micro-algae recovery process middle and lower reaches dehydration technique accounts for the gather 20%-30% of cost of micro-algae.Present stage is applied to technology kind that the micro-algae of industrialization gathers on a large scale centrifugal, filtration, flocculation etc., wherein centrifugal method energy consumption is too high, and filter method is generally only for concentrated or applicable compared with macro-algae, as spirulina, and concentration ratio is lower, still need thereafter centrifugal treating.Flucculation process is effective, and the one, throw out can be effectively separated with substratum, significantly reduces the volume of algae liquid in subsequent disposal, and the 2nd, the floc density after flocculation and particle increase, and are conducive to centrifugal or filter.The flocculation technique of present stage is to add flocculation agent flocculation and the flocculation of anode loss electricity.The flocculation agent of gathering for the flocculation of micro-algae, mainly contains 4 kinds of iron aluminium salt based flocculating agent, organic polymer coargulator, natural synthetic flocculant and alkaline matter flocculation agents.Iron aluminium salt based flocculating agent mainly contains FeCl
3, AlCl
3, Fe
2(SO
4)
3, Al
2(SO
4)
3and derivative etc., after flocculation, iron and aluminum ions residues in algae mud and substratum, thereby causes quality of algal powder reduction and substratum to be difficult to reuse; Organic polymer coargulator, as there is the problem of residual difficult degradation monomer in polyacrylamide, easy contaminate environment; Natural synthetic flocculant as positive starch or chitosan still can not large-scale industrialization be used because cost is too high, and is performed poor in marine alga and the larger algae liquid of algae density; Use the alkali of alkaline matter flocculation agent to lure flocculation still to come with some shortcomings, as the non-nutrition metal ion accumulation of substratum and the loss of trophicity ion after flocculating, and be unfavorable for recycling of substratum.
In addition, existing electric flocculation plant Anodic loss electric flocculation technique is very immature, because conventionally use public network electric energy, energy consumption is higher, the loss entering in algae mud and anode iron plate or aluminium sheet are constantly corroded, makes the algae mud obtaining can not directly apply to the industries such as food, medicine and fishery feed; Thereby the chlorine that electricity flocculation Anodic produces destroys microalgae cell and reduces yield; Substratum non-nutritive metal ion forms generation irreversible change, is unfavorable for the recycling of substratum.Therefore, develop be a kind ofly easy to industrialization, flocculation plant efficient, low-cost, the substratum that can be recycled is significant.
Summary of the invention
The present invention is directed to the drawback of above-mentioned micro-algae harvesting technique, designed and developed a kind of sun power salt bridge electricity flocculation plant of gathering for micro-algae.This device lures 4 kinds of technology such as flocculation integrated in solar power system, electrolysis tech, electrodialysis and alkali, has environmental protection, efficient, less energy-consumption, advantage cheaply.
Sun power salt bridge electricity flocculation plant of gathering for micro-algae disclosed by the invention, is comprised of DC power system, Controlling System and salt bridge system.DC power system is comprised of solar module, AC power, power regulator, wherein solar module, AC power are connected with power regulator respectively, and be connected with microcomputer by power regulator, be subject to Microcomputerizedly, solar module and AC power combined and transform out direct current power; The positive-negative output end of power regulator connects respectively positive electrode and negative electrode, and wherein positive electrode connects the positive terminal of salt bridge, and negative electrode connects the cathode terminal of salt bridge, forms and is subject to Microcomputerized DC power system.When solar energy resources is sufficient, DC power system is exported high-quality direct current power by power regulator under the regulation and control of microcomputer MPPT maximum power point tracking algorithm, for the flocculation of salt bridge system; When solar energy resources is inadequate, it is direct current power that microcomputer and power regulator transform AC power, supplements the deficiency of solar DC electric power.
Controlling System is comprised of microcomputer, pH meter and available chlorine instrument, wherein pH meter inserts and inserts respectively cathode compartment and anolyte compartment, and be connected with microcomputer, available chlorine instrument inserts anolyte compartment and is connected with microcomputer, forms for monitoring the regulator control system of algae pond coagulation and anolyte compartment's state.
Salt bridge system is comprised of salt Biodge device and cathode terminal, positive terminal, and there is closed nut at upper end open place, is used for sealing salt bridge, has tongs to be used for getting rid of the bubble producing while pouring into salts solution.The positive terminal access anolyte compartment of salt bridge, cathode terminal access cathode compartment, adds electrolytic solution in anolyte compartment, and algae pond is cathode compartment, adds pending algae liquid.The salt bridge using is divided into without ion membranous type salt bridge and has two types of ion membranous type salt bridges: the indoor salts solution of directly filling containing 2-3% agar of salt while using without ion membranous type salt bridge, or agar or the sealing of electrochemistry porous diaphragm for salt bridge two ends, at the indoor salts solution of filling not containing agar of salt, and drive away bubble.Any two ends without ion membranous type salt bridge can be as cathode terminal or positive terminal, and the negative electrode that connects salt bridge cathode terminal adopts hydrogen-precipitating electrode net, as common wire netting, low-carbon (LC) steel mesh, stainless (steel) wire.The positive electrode that connects salt bridge positive terminal is determined on a case-by-case basis: when the salt material adding contains, enrich villaumite, as seawater, marine alga liquid, the solution etc. that contains magnesium chloride, industrial crude salt, anolyte compartment pours into seawater and adds excess amount of Ca CO
3during powder, positive electrode connects and adopts the corrosion resistant chloride electrode net of analysing; When the salt material adding is magnesium sulfate or the magnesium nitrate solution that concentration is greater than 0.5mol/L, when anolyte compartment adds the magnesium sulfate of 0.1-0.5mol/L or magnesium nitrate solution, positive electrode adopts the corrosion resistant oxygen electrode net of analysing.When use has ion membranous type salt bridge, sealing is close to agar or electrochemistry porous diaphragm and cationic membrane from the bottom up successively in salt bridge one end, as the cathode terminal of salt bridge; At the salt bridge the other end, use successively from the bottom up Bipolar Membrane and anionic membrane closed port, as the positive terminal of salt bridge; Between Bipolar Membrane and anionic membrane, leave adequate space as sour chamber, the acid producing for depositing electrolytic process, the Wei Yan chamber, space between cationic membrane and anionic membrane, for packing the salt material for throwing out into.Negative electrode adopts hydrogen-precipitating electrode net, as common wire netting, low-carbon (LC) steel mesh, stainless (steel) wire, indoor magnesium sulfate or the magnesium nitrate solution that adds concentration to be greater than 0.5mol/L of salt, while adding the magnesium sulfate of 0.1-0.5mol/L respectively or magnesium nitrate solution in the indoor and anolyte compartment of acid, positive electrode adopts the corrosion resistant oxygen electrode net of analysing.
Under power on condition, salt bridge system can improve constantly the pH value of algae liquid in cathode compartment, thereby causes the flocculation of algae liquid, and the solution generation acidifying simultaneously adding in anolyte compartment, obtains sodium hypochlorite solution or nitric acid, sulfuric acid.The sterilization in algae pond when sodium hypochlorite solution can be used for Cyclic culture, offsets departmental cost, and nitric acid and sulfuric acid can be used for washing away the precipitation in the rear algae mud of flocculation, obtain the algae mud that purity is higher, pH value when also adjustable substratum recycles.Precipitation elutant can be used as salt bridge salt material and reuses, or is widely used as nutritive salt.
Sun power salt bridge electricity flocculation plant of gathering for micro-algae provided by the present invention can guarantee that 2 hours flocculating rate are greater than 90% after electrolysis finishes, after 6 hours, flocculating rate is greater than 95%, subsidence rate is greater than 20cm/h, and concentration ratio is greater than 15 times, and flocculation cost is in 0.19-0.57 unit/kgbiomass left and right.While using the salt material that magnesium salts is salt bridge, the critical pH of flocculation, in 9.8-10.0 left and right, has avoided too high the damaging microalgae cell of pH.The described sun power salt bridge of gathering for micro-algae electricity flocculation plant is easy to amplify or improve, and each integral part is easy to assembly and disassembly.Anodic-cathodic material therefor is all corrosion-resistant, and the life-span is long, and cost is low.In flocculation process, the salt material in salt bridge is loss not, can be recycled, and in flocculation algae mud, there is no throw out, can guarantee algae mud quality.Can produce H
2and Cl
2, the potential possibility of offsetting departmental cost is provided.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, it is characterized in that: under power on condition, by salt bridge systemic effect, improve constantly the pH value of algae liquid in cathode compartment and form the precipitations such as calcium magnesium, thereby cause the flocculation of algae liquid, make the solution generation acidifying adding in anolyte compartment, the sodium hypochlorite solution of algae pond sterilization while obtaining can be used for Cyclic culture, or nitric acid or the sulfuric acid of pH value when obtaining can be used to washing away after flocculation precipitation in algae mud and can be used to regulate substratum to recycle simultaneously; And precipitation elutant to can be used as nutritive salt widely used.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, is characterized in that: in anolyte compartment, add electrolytic solution; Algae pond, as cathode compartment, adds pending algae liquid.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, is characterized in that: the negative electrode that connects salt bridge cathode terminal adopts hydrogen-precipitating electrode net, as common wire netting, low-carbon (LC) steel mesh, stainless (steel) wire; The positive electrode that connects salt bridge positive terminal adopts respectively according to the difference of adopted salt bridge type, salt material and electrolytic solution that anolyte compartment adds corrosion resistantly analyses chloride electrode net or analyses oxygen electrode net.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, is characterized in that: the salt bridge using is divided into without ion membranous type salt bridge and has two types of ion membranous type salt bridges; Salt bridge upper end open place has for sealing the closed nut and the flexible pipe and the tongs that are used for getting rid of bubble of salt bridge.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, is characterized in that: when adopting without ion membranous type salt bridge, and salt material contains and enriches villaumite, as the solution of magnesium chloride or industrial crude salt, seawater, marine alga liquid etc., in anolyte compartment, pour into seawater and add excess amount of Ca CO
3during powder, the positive electrode that connects salt bridge positive terminal adopts the corrosion resistant chloride electrode net of analysing; When adopting without ion membranous type salt bridge, and salt material is magnesium sulfate or magnesium nitrate solution that concentration is more than or equal to 0.5mol/L, and when anolyte compartment adds the magnesium sulfate of 0.1-0.5mol/L or magnesium nitrate solution, positive electrode adopts the corrosion resistant oxygen electrode net of analysing; When employing has ionic membrane salt bridge, indoor magnesium sulfate or the magnesium nitrate solution that adds concentration to be more than or equal to 0.5mol/L of salt, while adding the magnesium sulfate of 0.1-0.5mol/L respectively or magnesium nitrate solution in the indoor and anolyte compartment of acid, positive electrode adopts the corrosion resistant oxygen electrode net of analysing.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, it is characterized in that: the indoor salts solution of directly filling containing 2-3% agar of salt while using without ion membranous type salt bridge, or agar or the sealing of electrochemistry porous diaphragm for salt bridge two ends, at the indoor salt material pouring into not containing agar of salt, and drive away bubble; Any two ends without ion membranous type salt bridge can be as cathode terminal or positive terminal.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, it is characterized in that: use while having ion membranous type salt bridge, sealing is close to agar or electrochemistry porous diaphragm and cationic membrane from the bottom up successively in salt bridge one end, as the cathode terminal of salt bridge; At the salt bridge the other end, use successively from the bottom up Bipolar Membrane and anionic membrane closed port, as the positive terminal of salt bridge; Between Bipolar Membrane and anionic membrane, leave adequate space as sour chamber, the acid producing for depositing electrolytic process; Wei Yan chamber, space between cationic membrane and anionic membrane, for packing the salts solution for throwing out into.
Preferably, the described sun power salt bridge of gathering for micro-algae electricity flocculation plant, is characterized in that: the positive terminal access anolyte compartment of salt bridge, cathode terminal access cathode compartment; Positive electrode connects the positive terminal of salt bridge, and is connected with the positive output end of power regulator; Negative electrode connects the cathode terminal of salt bridge, and is connected with the negative output terminal of power regulator; Available chlorine instrument inserts anolyte compartment, and is connected with microcomputer, and pH meter inserts respectively anolyte compartment and is connected with cathode compartment and with microcomputer, forms for monitoring the regulator control system of algae pond coagulation and anolyte compartment's state.
Accompanying drawing explanation
The schematic diagram of the sun power salt bridge electricity flocculation plant that Fig. 1 gathers for micro-algae flocculation;
Fig. 2 is without the salt bridge apparatus structure schematic diagram of ionic membrane;
Fig. 3 has the salt bridge apparatus structure schematic diagram of ionic membrane;
Voltage and pH value change curve in Fig. 4 example 1 flocculation process;
In Fig. 5 example 1 flocculation process, flocculating rate changes column diagram;
Voltage and pH value change curve in Fig. 6 example 2 flocculation processes;
In Fig. 7 example 2 flocculation processes, flocculating rate changes column diagram.
Embodiment
Below in conjunction with Fig. 1-7, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to specification sheets word.
As shown in Figure 1, the invention provides a kind of sun power salt bridge electricity flocculation plant of gathering for micro-algae, by DC power system, Controlling System and salt bridge system, formed.DC power system forms 3 by solar module 1, AC power 2, power regulator, wherein solar module 1 is connected with power regulator 3 respectively with AC power 2, and be connected with microcomputer 4 by power regulator 3, be subject to microcomputer 4 regulation and control, solar module 1 and AC power 2 combined and transform out direct current power; The positive-negative output end of power regulator 3 connects respectively positive electrode 9 and negative electrode 10, and wherein positive electrode 9 connects the positive terminal of salt bridge 7, and negative electrode 10 connects the cathode terminal of salt bridge 7, forms the DC power system that is subject to microcomputer 4 regulation and control.When solar energy resources is sufficient, DC power system is exported high-quality direct current powers by power regulator 3 under the regulation and control of microcomputer 4 MPPT maximum power point tracking algorithms, for the flocculation of salt bridge system; When solar energy resources is inadequate, it is direct current power that microcomputer 4 transforms AC power with power regulator 3, supplements the deficiency of solar DC electric power.
Controlling System is comprised of microcomputer 4, pH meter 5 and available chlorine instrument 6, wherein pH meter 5 inserts anolyte compartment 8 and cathode compartment 11, and is connected with microcomputer 4, and available chlorine instrument 6 inserts anolyte compartment 8, and be connected with microcomputer 4, form for monitoring the regulator control system of cathode compartment 11 coagulations and anolyte compartment's 8 states.
Salt bridge system is comprised of salt Biodge device 7 and cathode terminal, positive terminal, and there is closed nut 12 at upper end open place, is used for deadend salt bridge, has tongs 15 to be used for getting rid of the bubble producing while pouring into salts solution.The positive terminal access anolyte compartment 8 of salt bridge, cathode terminal access cathode compartment 11, adds electrolytic solution in anolyte compartment 8, and algae pond, as cathode compartment 11, adds pending algae liquid, at pH under higher and sufficient magnesium ion condition, the algae liquid generation flocculating settling layering then of cathode compartment 11.
As shown in Figure 2, making method without ion membranous type salt bridge device, take magnesium salts as salt material be example: in without ionic membrane salt bridge salt chamber 22, pour into and contain the magnesium salt solution that 2-3% melts agar, after solidifying, in the cavity of upper end, add suitable electrolyte solution, and drive away bubble closed port by the tongs 16 on closed nut 12 and flexible pipe 15 thereof; Or at salt bridge two ends, with agar or electrochemistry porous diaphragm 14 sealing two ends, the magnesium salt solution without agar is poured into salt bridge, by the tongs 16 on closed nut 12 and flexible pipe 1 thereof, drive away bubble closed port.The cathode terminal of yin, yang electrode and salt bridge is connected with extremely narrow distance with positive terminal, and area is suitable with salt bridge electrode tip area.Salt bridge material is that PPR pipe fitting is made, and has fixed sturcture at the two poles of the earth port inner wall, can guarantee that agar or porous material or ionic membrane fixedly secure.
As shown in Figure 3, the making method that has ion membranous type salt bridge device: in one end of salt bridge from the bottom up successively with agar or electrochemistry porous diaphragm 14 and cationic membrane 17 closed ports, agar or electrochemistry porous diaphragm 14 and cationic membrane 17 are close to, as the cathode terminal of salt bridge; At the salt bridge the other end, use successively from the bottom up Bipolar Membrane 18 and anionic membrane 19 closed ports, as the positive terminal of salt bridge; Between Bipolar Membrane 18 and anionic membrane 19, leaving adequate space is sour chamber 20; Space in salt bridge between cationic membrane 17 and anionic membrane 19 is as the salt chamber 21 that has ion membranous type salt bridge device.
The using method of salt bridge system has three kinds, comprising: 1) when adopting without ion membranous type salt bridge, the salts solution adding contains and enriches magnesium chloride, as seawater, marine alga liquid, the solution etc. that contains magnesium chloride, industrial crude salt, pours into seawater and add excess amount of Ca CO in anolyte compartment 8
3powder, and give certain stirring, negative electrode adopts hydrogen-precipitating electrode net, and as common wire netting, low-carbon (LC) steel mesh, stainless (steel) wire, positive electrode adopts the corrosion resistant chloride electrode net of analysing.2) when adopting without ion membranous type salt bridge, the salts solution matter adding is magnesium sulfate or the magnesium nitrate solution that concentration is more than or equal to 0.5mol/L, when anolyte compartment 8 adds the magnesium sulfate of 0.1-0.5mol/L or magnesium nitrate solution, negative electrode adopts hydrogen-precipitating electrode net, as common wire netting, low-carbon (LC) steel mesh, stainless (steel) wire, positive electrode adopts the corrosion resistant oxygen electrode net 3 of analysing) use while having ion membranous type salt bridge, sealing is close to agar or electrochemistry porous diaphragm 14 and cationic membrane 17 from the bottom up successively in salt bridge one end, as the cathode terminal of salt bridge.At the salt bridge the other end, use successively from the bottom up Bipolar Membrane 18 and anionic membrane 19 closed ports, as the positive terminal of salt bridge.Between Bipolar Membrane 18 and anionic membrane 19, leave adequate space as sour chamber 20, for depositing the acid that electrolytic process produces, space between cationic membrane 17 and cathodic coating 19 is the salt chamber 21 that has ion membranous type salt bridge device, for packing the salts solution for throwing out into.Negative electrode adopts hydrogen-precipitating electrode net, as common wire netting, low-carbon (LC) steel mesh, stainless (steel) wire, having in the salt chamber 21 of ion membranous type salt bridge device adds concentration to be more than or equal to magnesium sulfate or the magnesium nitrate solution of 0.5mol/L, while adding the magnesium sulfate of 0.1-0.5mol/L respectively or magnesium nitrate solution in acid indoor 20He anolyte compartment 8, positive electrode adopts the corrosion resistant oxygen electrode net of analysing.
The described sun power salt bridge of gathering for micro-algae electricity flocculation plant, when solar energy resources is sufficient, DC power system is under the regulation and control of microcomputer 4 MPPT maximum power point tracking algorithms, by power regulator 3 output high-quality direct current powers, for the flocculation of salt bridge system; When solar energy resources is inadequate, it is direct current power that microcomputer 4 transforms AC power with power regulator 3, supplements the deficiency of solar DC electric power.Under power on condition, salt bridge system can improve constantly the pH value of algae liquid in cathode compartment 11, thereby causes the flocculation of algae liquid, and the solution generation acidifying simultaneously adding in anolyte compartment 8, obtains sodium hypochlorite solution 13 or nitric acid, sulfuric acid.The sterilization in algae pond when sodium hypochlorite solution 13 can be used for Cyclic culture, offsets departmental cost, and nitric acid and sulfuric acid can be used for washing away the precipitation in the rear algae mud of flocculation, obtain the algae mud that purity is higher, pH value when also adjustable substratum recycles.Precipitation elutant can be used as salt bridge salts solution and reuses, or is widely used as nutritive salt.
Example 1
The using method of salt bridge: ion exchanging surface is 6.2cm
2, middle filling be take salinity as 32%, the saturated sea water solution that contains 2-3% agar.After solidifying, with 450mA constant-current electrolysis.In cathode compartment, inject the micro-plan ball of 500mL eyespot algae culture, the absorbancy of culture under 680nm is 0.756, pH value=9.00, f/2 culture medium culturing; 500ml artificial seawater, pH value=8.00 are injected by anolyte compartment.Every 15 minutes, measure pH value and the output voltage of cathode compartment and anolyte compartment, and at each time point, do flocculation and measure, the 500mL algae liquid of 15,30,45,60,75,90,105 minutes of power taking solution respectively packs 500mL graduated cylinder into, places 2 hours, surveys flocculating rate.Flocculation calculation formula is: FR=1-(A-B)/A * 100%.Wherein A is that control group is placed after 2 hours the OD of bottom 1/3 height from liquid level to graduated cylinder
680value, B is that experimental group is placed after 2 hours the OD of bottom 1/3 height from liquid level to graduated cylinder
680value.
Flocculation result is as shown in Figure 4, Figure 5: voltage change is stable, and electrolytic process is stable, and algae liquid pH value located to rise to 11.2 left and right at 90 minutes, at 105 minutes, located to rise to 11.80.And the pH of anolyte compartment constantly reduces, from 5.5 left and right of 15 minutes, be down to 2.0 left and right of locating for 105 minutes.The acid solution solubilized CaCO of this pH value
3powder.And add excess amount of Ca CO in another group anolyte compartment
3in the experiment of powder seawater, the negative electrode pH in each treatment time, voltage are with respect to without CaCO
3powder group no significant difference, but anode pH remains on 6.0-7.5 left and right, thus proof Cl
2can be by CaCO
3powder changes into sodium hypochlorite solution.Flocculating rate was located at 30 minutes, reached and was stabilized in 93.8 ± 0.9%.
According to flocculating rate, compared with flocculation result high and that energy consumption is less, determine under 450mA, electrolysis 30 minutes is relatively suitable, and now power is 3.37Wh/L.With the solar panel of commercially available 20W, power, it is characterized in that: price is 100 yuans, working life 25 years, and in 25 years, guarantee 80% the electrical effect that supplies.With 4 hours average every days standard irradiance calculate, the maximum power that this cell panel can be supplied in working life is: 25 years * 365 days/year * 4 hours/large * 20W * 80%=584000Wh, these electric energy can be 584000Wh/3.37Wh/L=173293.7L for the volume of device flocculation algae liquid of the present invention.The cost of gathering that is every liter of algae liquid is 0.00057 yuan/L.Press the algae liquid density calculation of 1g/L, the cost of gathering of sun power salt bridge electricity flocculation plant is 0.57 yuan/kgbiomass, far below the centrifugal 4.35 yuan/kgbiomass gathering of bibliographical information, lower than the electric 1.74 yuan/kgbiomass flocculating of iron anode of bibliographical information.
Example 2:
With reference to example 1, only change most 150mA of electric current, other conditions are constant, and as shown in Figure 6: voltage change is stable, electrolytic process is stable.Flocculation result as shown in Figure 6, Figure 7: the flocculating rate at 90min place is the highest, reaches 87.4%, and now energy consumption is 1.33Wh/L.Solar panel with commercially available 20W is powered, and the cost of the algae liquid that flocculates is: 0.00019 yuan/L. is by the algae liquid density calculation of 1g/L, and the cost of gathering of sun power salt bridge electricity flocculation plant is 0.19 yuan/kgbiomass.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification sheets and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210323109.XA CN102787070B (en) | 2012-09-04 | 2012-09-04 | Solar salt bridge electroflocculation device for microalga recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210323109.XA CN102787070B (en) | 2012-09-04 | 2012-09-04 | Solar salt bridge electroflocculation device for microalga recovery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102787070A CN102787070A (en) | 2012-11-21 |
| CN102787070B true CN102787070B (en) | 2014-03-26 |
Family
ID=47152662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210323109.XA Active CN102787070B (en) | 2012-09-04 | 2012-09-04 | Solar salt bridge electroflocculation device for microalga recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102787070B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279209A1 (en) * | 2021-07-07 | 2023-01-12 | Industrial Plankton Inc. | Seaweed bioreactor apparatus, methods, and systems |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194375B (en) * | 2013-04-09 | 2014-08-13 | 浙江大学 | Device and method for concentrating and recovering carbon dioxide in air for culturing microalgae |
| CN104370351B (en) * | 2014-11-27 | 2016-03-02 | 中国科学院天津工业生物技术研究所 | A kind of film electricity flocculation plant and utilize this device to carry out the method for microalgae recovery |
| IN2015CH01991A (en) * | 2015-04-17 | 2015-06-26 | Nat Inst Of Ocean Technology | |
| CN106365259A (en) * | 2015-07-22 | 2017-02-01 | 东科瑞芙株式会社 | Liquid alternating current electrolysis method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234613B (en) * | 2010-04-20 | 2013-03-27 | 中国科学院过程工程研究所 | Electric flocculation device for industrialized microalgae separation and collection |
| CN101811757B (en) * | 2010-04-26 | 2013-11-06 | 中国科学院过程工程研究所 | Air-assisted electro-coagulation algae water separation device and using method thereof |
| CN102492624B (en) * | 2011-11-30 | 2014-01-15 | 天津工业生物技术研究所 | A method of using ammonia to flocculate microalgae |
-
2012
- 2012-09-04 CN CN201210323109.XA patent/CN102787070B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023279209A1 (en) * | 2021-07-07 | 2023-01-12 | Industrial Plankton Inc. | Seaweed bioreactor apparatus, methods, and systems |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102787070A (en) | 2012-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102787070B (en) | Solar salt bridge electroflocculation device for microalga recovery | |
| CN109628950B (en) | A kind of method for in-situ recovery of high-purity struvite in microbial electrolysis cell | |
| CN106957092B (en) | Method for electro-removing ammonia nitrogen by three-dimensional pulse | |
| CN102642955B (en) | Electrochemical removal method for heavy metals in breeding circulating seawater | |
| CN102010073A (en) | Method for electrolyzing circulating cooling water and reverse osmosis concentrated water | |
| Kalash et al. | Hardness removal from drinking water using electrochemical cell | |
| CN104370351B (en) | A kind of film electricity flocculation plant and utilize this device to carry out the method for microalgae recovery | |
| CN201825792U (en) | Electronic box structure for electrochemical water treatment device with stable water quality of circulating water | |
| Maleki et al. | Harvesting of microalgae by electro-coagulation-flocculation for biodiesel production: an investigation of the effect of operational parameters and forecast model using response surface methodology. | |
| Pratama et al. | Evaluation of different electrodes in electrocoagulation-flotation process for Chlorella vulgaris harvesting | |
| CN205472824U (en) | Handle decentralized domestic sewage's electrolysis phosphorus removal device | |
| CN207596570U (en) | Three-diemsnional electrode coupling microorganism electrolysis cell processing ammonia nitrogen waste water recycling ammonia device | |
| CN105505780A (en) | Microalgae collecting method and microalgae | |
| CN204752863U (en) | Device based on nitrogen phosphorus changed magnesium ammonium phosphate into during sea water battery technology will breed waste water | |
| CN201825793U (en) | Electronic column structure for electrochemical water treatment device capable of stabilizing quality of circulating water | |
| CN215711970U (en) | Electrodialysis device for treating nitrogen and phosphorus-containing wastewater | |
| CN108217984A (en) | Three-diemsnional electrode coupling microorganism electrolysis cell processing ammonia nitrogen waste water recycling ammonia device | |
| CN111410272B (en) | Aquaculture pond bottom water quality improvement device | |
| CN202170259U (en) | Reverse osmosis system electrolyzing device with high recovery rate | |
| CN107746117B (en) | A kind of electrochemical water quality stabilization and purification method and device | |
| CN212127828U (en) | A device for removing nitrogen and phosphorus in sewage by magnesium anode electrodialysis | |
| CN203999066U (en) | Boat-carrying water electrolysis is eliminated blue-green algae device | |
| WO2011063450A1 (en) | Methods and devices for the treatment of fluids | |
| CN220317494U (en) | An island electrocondensation water treatment device | |
| CN104030411B (en) | Shipborne water electrolysis blue-green algae eliminating device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN INSTITUTE OF INDUSTRIAL BIOTECHNOLOGY, CHI Free format text: FORMER OWNER: TIANJIN INSTITUTE OF INDUSTRIAL BIOTECHNOLOGY Effective date: 20140324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140324 Address after: 300308 Tianjin Airport Economic Zone seven West Road No. 32 Patentee after: Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Address before: 300308 Tianjin Airport Economic Zone seven West Road No. 32 Patentee before: Tianjin Institute of Industrial Biotechnology |