CN109912087A - A kind of detoxification of cyanobacteria, dehydration and drying method - Google Patents
A kind of detoxification of cyanobacteria, dehydration and drying method Download PDFInfo
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Abstract
The invention discloses a kind of detoxification of cyanobacteria, dehydration and drying methods, centrifugation pre-dehydration, ultrasound detoxification dehydration integrated with ozone coupling, high-pressure deep dehydration and four steps of desiccation including cyanobacteria.Compared with prior art, the present invention destroys the eucaryotic cell structure of cyanobacteria using ultrasonic cavitation technology, so that its water intracellular is converted into Free water, to be easier to remove；The characteristics of easy decomposition noresidue of coupling efficient oxidation and ozone itself in combination with ultrasound-ozone, making that treated, blue algae content of toxins is greatly reduced, and additional no chemical residue；Using high pressure dehydration technique, keeps the moisture content for being dehydrated algal gel lower, keep desiccation process more energy efficient；Using low temperature drying technique, the generation of cyanobacteria carbonization and exhaust gas is avoided.Process of the present invention is simple, easy to operate, and reaction is mild, and algae toxin removal effect is good, does not add flocculant and volume reduction amount is big, and moisture content is lower than 15%, provides a kind of new solution route for the high added value recycling of cyanobacteria.
Description
Technical field
The invention belongs to the innoxious of cyanobacteria, minimizing and resource technology fields, and in particular to a kind of detoxification of cyanobacteria,
Dehydration and drying method.
Background technique
River and lake eutrophication and alga eruption are the serious water environmental problems that China faces at present.For cyanobacteria
Break out feature, salvaging is to reduce Blue-green Algae Fast Growth to cause water pollution disaster and reduce intensity that it breaks out again and possibility the most
Directly, one of effective measures.Cyanobacteria is salvaged for reducing Blue-green Algae Population biomass, population advantage degree, inhibition Population breeding etc.
Play a significant role, while with a large amount of nitrogen of water-outlet body, phosphorus nutrition, being accumulated for mitigating locality disaster, reducing nutrition in lake
Amount, improvement source quality and ecological environment effect will be very significant.Cyanobacteria is a kind of prokaryotes, includes a large amount of N, P
Equal nutrients and phycocyanin etc. can utilize substance, can be used as a kind of biomass resource.However by the present art and warp
The restriction of the factors such as cost of helping, the cyanobacteria that China's lake surface is salvaged separate to form the relatively low algal biscuit of moisture content through algae water mostly,
It carries out burning after outward transport or simply fill, do not carry out extensive resource utilization.
On the other hand, the cyanobacteria after salvaging after being even dehydrated, is such as effectively disposed not in time and arbitrarily stacks, not only
Because cyanobacteria discharges a large amount of odor pollution surrounding enviroment in decay process, also earth's surface can be generated by rainfall because discharging application element
Runoff or downward leaching and polluted-water again；More importantly the capsule algae toxin of cyanobacteria release is that occur in cyanobacterial bloom
A kind of natural toxin of frequency highest, the most serious that causes damages.It can cause aquatic animal to be poisoned, and pass through food chain
Threaten human health, long-term drinking contain algae toxin water can induced hepatocellular carcinoma and the carcinoma of the rectum, less serious case can make one to generate diarrhea and skin
The symptoms such as skin allergy, therefore algae toxin endangers oneself and causes the extensive concern of world wide scholar.Therefore, the processing of cyanobacteria, place
Setting with recycling is an of great value research topic.By blue algae resource, it is especially machined to feed, fertilizer or even health care
Food etc. realizes that its high value-added product is developed, and realizes that cyanobacteria is innoxious, i.e. the removing of algae toxin is undoubtedly primary problem,
Simultaneously to make blue algae resource, deep dehydration and minimizing are also essential sport technique segment.In conclusion exploitation it is low at
Originally, the joint processing technology of high-efficiency detoxication and deep dehydration desiccation is innoxious current realization cyanobacteria, minimizing and high added value
Recycling critical issue urgently to be resolved.
1. cyanobacteria is innoxious, i.e. the removing of algae toxin: according to the report of disclosed document and various patents, algae toxin is gone
Except there are mainly four types of methods, i.e. absorption method, pyrolysismethod, microbial degradation method and oxidizing process.
1. absorption method utilizes specific adsorbent, specific components certain in fluid are fixed on the sorbent, thus real
A kind of method now separated.There is the adsorbent material of algae toxin removal ability to only have and change disclosed in Zhang Yun et al. for open report at present
Property siderite based composites (CN105753091A), cordierite-acid fiber by polylactic composite material (CN105776402A), modified
Zeolite-nano carbon composite material (CN105776403A), composite material (CN105831173A), garlic straw containing waste tobacco stem
Stalk-nanometer carbon/carbon-copper composite material (CN105858777A), attapulgite-polypropylene fiber composite (CN105858778A), with
Bagasse is raw material (CN105858831A), the composite material using diatomite as principal component with deodorization
(CN105753090A) series handles the patent of cyanobacteria using composite material as adsorbent, these composite materials not only have wadding
Solidifying performance also has good adsorption activity, fast to the removal speed of cyanobacteria, at low cost, without secondary pollution, to cyanophycean toxin
The effect of removal efficiency is also higher, while also antibacterial with algae is killed, and improves water quality, persistent, suitable for Complex Water Environment
Processing.By taking typical garlic stalk-nanometer carbon/carbon-copper composite material as an example, the removal rate to frustule is 98.54%, is gone to turbidity
It is 96.11% except rate and is 72.34% to the removal rate of algae toxin.
2. pyrolysismethod, i.e., at a certain temperature, the method that organic matter is thermally decomposed.Such as Publication No. CN102150747
" processing method of cyanobacteria ", by blue algae dewatering and it is dry to water content 20% hereinafter, at 150~300 DEG C heat treatment 10~
60min, Cells of Blue-green Algae endotoxin LR therein can be down to 50 μ g/kg from 7600 μ g/kg relative to the content of over dry substance.It is open
Number it is CN105820829A " technique and device that cyanobacteria catalytic pyrolysis method produces bio-oil ", is salvaged using solidifying algae, filters pressing is de-
Water and it is the methods of broken obtain dry algae powder, under the effect of the catalyst, 463 DEG C of isothermal pyrolysis biology liquefactions, but do not report
The degradation rate of algae toxin.
3. microbial degradation method is exactly to cultivate algal toxin degradation bacterium, at suitable temperature and nutritional condition, pass through degradation
The metabolism of bacterium is by algal toxin degradation.As " a kind of cyanobacteria and sludge hybrid anaerobic fermentation produce Publication No. CN101418316A
The patent of invention of biogas ", by the hybrid anaerobic fermentation of cyanobacteria and sludge, algae toxin is from initial 244~366 μ g/kg, after processing
Algae toxin residual quantity is reduced to < 5 μ g/kg.Publication No. CN10622206A " cyanobacteria harmlessness disposing and recycling processing method "
Patent of invention, by into material be inoculated with algae toxin high-efficiency degradation composite bacteria agent aerobic fermentation, anaerobic fermentation catalytic degradation and
Strengthen acidification three step microbials processing, algae toxin residual quantity is lower than 1 μ g/kg, the more conducively subsequent recycling of cyanobacteria.Granted publication
Number for CN103667100B " a kind of molten algae/algal toxin degradation double engineering bacterium Y7 and its construction method " and publication number
CN103525746A " a kind of molten algae/algal toxin degradation double engineering bacterium Y1 and its construction method ", with Protoplast Fusion Technique
Based on, prepare can molten algae but also the MC-LR that degrades double engineering bacterium Y7, for improving Protoplast Fusion Technique building
The engineering bacteria and its practical application for integrating MC-LR degradation function and algae-lysing bacteria have directive significance.
4. oxidizing process utilizes oxidizing substance by the process of target contaminant oxygenolysis.At present in algal toxin degradation
The patent of aspect is also fewer, such as " the side a kind of while that detoxification and dehydration are carried out to cyanobacteria Publication No. CN104339315A
Cyanobacteria is first adjusted to acid, oxidants hydrogen peroxide is then added, carries out microwave radiation at 110~130 DEG C of temperature by method ",
Then filter-press dehydration is carried out, the algae toxin content of dehydration cyanobacteria can be greatly reduced.A kind of Publication No. CN108569745A " cyanobacteria
Toxin processing unit and blue-green algae disposing device ", the device include reaction chamber and ozone generator, the reaction chamber be equipped with
The water inlet pipe and outlet pipe that the reaction chamber communicates, are equipped with ultraviolet radiator in the reaction chamber, on the ozone generator
Equipped with for the ozone ingress pipe of delivery of ozone into the reaction chamber and for conveying oxygen into the ozone generator
Airway.This cyanophycean toxin processing unit with ultraviolet radiator and ozone treatment cyanophycean toxin, in algae aqueous solution algae toxin from
50 μ g/L are reduced to 10 μ g/L, and processing cost is low, processing water is big, and secondary pollution is small, strong applicability, and treatment effect stabilization can
It leans on, the characteristics of operation and maintenance are simple, technical maturity.Publication No. CN108751339A " a kind of blue-green algae treatment method ", the method are logical
It is overpressurized and the liquid containing cyanobacteria is sent into the first closed container, and by the liquid pressing to 0.2-10MPa；It directs the air into
Until uniformly mixing with the liquid in first closed container, and it is maintained at the pressure value in first closed container
Between 0.1MPa-10MPa；Removing toxic substances step is to import at least one of A and B in the first closed container until with the liquid
Uniformly mixing, the A include fungicide, antidote, deodorizer, pigment or distintegrant, the B include ozone, carbon dioxide,
Oxygen or nitrogen, then import the second closed container for treatment liquid, set quartz burner irradiation in the container, at the same to its
In be passed through ozone and aoxidized, algae toxin from 50 μ g/L is reduced to 10 μ g/L in algae aqueous solution after processing.
2. the dehydration of cyanobacteria
At present cyanobacteria be all by the way that simply manually or mechanically ship is salvaged, what this simple operation mode was salvaged
Cyanobacteria moisture content be typically up to 98% even more than, it is therefore necessary to carry out dehydration decrement.
There are three types of the dewatering type of cyanobacteria is general, i.e. filtering means dehydration, centrifugal dehydration and electroosmotic dewatering, wherein filtering means dehydration
It is its major way, there are several types of: 1. plate compression, such as the invention of Publication No. CN105000779A and CN205590062A
Patent；2. diaphragm filters pressing, such as the hair of utility model patent, Publication No. CN105693063A that grant number is CN205974054U
Bright patent；3. film filters, the membrane filtration system separated such as a kind of blue algae water of Publication No. CN106955596A；4. and other mistakes
Filter mode, as Publication No. CN104959185A, CN105060674A, CN108444255A report several different fashion of extrusion
The pocket type pressure that the method and Publication No. CN101648092A " dehydration processing method for cyanophyte water " be dehydrated to cyanobacteria is announced
The group technology of filter and plate compression.
Centrifugal dehydration is mainly used for dehydration rate occasion of less demanding, such as the pre-dehydration of cyanobacteria, such as Publication No.
CN105000779A " a kind of blue-green algae treatment method " and the dehydration of the centrifuge of cyanobacteria pretreatment, such as Publication No.
The folded spiral shell machine dehydration referred in CN106495357A " a kind of algal tufa emergency salvages treatment process and equipment ".
Electroosmotic dewatering mainly utilizes the electro-osmosis phenomenon formed under the action of electric field, and electrically charged particle is taken off
Surely, the colloidal solid electrically charged for those surfaces, when mechanical dehydration effect is often bad, electro-osmosis then has preferably dehydration effect
Fruit, in Publication No. CN106242652A " a kind of blue algae dewatering composting treatment method ", the deep dehydration of cyanobacteria then be
Electroosmotic dewatering technology.
3. the desiccation of cyanobacteria
The desiccation of cyanobacteria is a relatively new field, and the patent report of this respect is also fewer at present, only 1 public affairs
It is mentioned in the patent of invention opened, in publication number CN104357123A " cyanobacteria solid molding fuel and preparation method thereof ", only
It is referred to cyanobacteria using heated drying or solar energy drying to aqueous 8~15%, specific equipment and technical detail are not reported.
Remaining is also seldom about the report of cyanobacteria desiccation, such as Publication No. CN108034329A " cyanobacterial bloom collecting and treating apparatus and indigo plant
In algae wawter bloom processing method " and CN108086277A " cyanobacterial bloom salvages system, processing system and Refloatation method ", described is dry
Change unit is filter press, starches algae the algal gel that can only obtain that moisture content is 95% after carrying out drying and other treatment.Publication No.
In CN108216505A " a kind of automatic desiccation lighterage of cyanobacteria ", the cyanobacteria desiccation being directed to is vacuum filter.These are so-called
The desiccation gas of cyanobacteria is substantially the dehydration of cyanobacteria.
Under present circumstances, to make the recycling of blue algae resource, especially high added value, such as production feed, fertilizer
The products such as material or even health food, it is necessary to solve the problems, such as following two:
1. deep dehydration and desiccation are realized in the various dehydration techniques of current patent report, in order to improve dehydration efficiency,
It is most of that the flocculants such as aluminium polychloride are all added into cyanobacteria, contain these flocculants in final cyanobacteria mud, to cyanobacteria
Recycling, it is unfavorable for especially producing various high value added products to cyanobacteria deep processing.
2. efficient removal algae toxin pyrolysismethod and microbial degradation method can all destroy the ingredient of cyanobacteria, and absorption method is real
The transfer of algae toxin is showed, there is no solution substantive issues, therefore oxidizing process is only the most direct effective method of removing algae toxin.
Therefore it develops one kind and is not only able to achieve deep dehydration and desiccation, but also be able to achieve algae toxin efficient removal, and be dehydrated
Afterwards without additional chemical residue in cyanobacteria, it is only the blue algae resource technology for more meeting actual demand.
Summary of the invention
Goal of the invention: aiming at the existing problems and shortcomings of the prior art, the present invention provide a kind of cyanobacteria detoxification, dehydration with
Drying method, the present invention are the method for a kind of ultrasound-ozone coupling algae toxin removing of cyanobacteria, deep dehydration and desiccation, this hair
It is bright to destroy Cells of Blue-green Algae structure using ultrasonic cavitation, so that its water intracellular is converted into Free water, to be easier to remove；Simultaneously
In conjunction with the coupling efficient oxidation and dioxygen water unstable of ultrasound-ozone, in the liquid phase noresidue the characteristics of, the cyanobacteria that makes that treated
Algae toxin content is greatly reduced；Using high press-dehydrating, the moisture content of algal gel cake can be made lower；Using low temperature desiccation, avoid being carbonized
It is generated with exhaust gas.
Technical solution: to achieve the goals above, a kind of detoxification of cyanobacteria, dehydration and drying method as described herein,
The following steps are included:
(1) cyanobacteria of salvaging is directly subjected to centrifugation pre-dehydration, obtains cyanobacteria mud；
(2) cyanobacteria mud is subjected to ultrasonication, while is passed through ozone thereto；Unlatching ultrasonic wave is handled same
When, start to be passed through ozone, carries out Combined Treatment；
(3) high press-dehydrating will be carried out through step (2) treated cyanobacteria mud, and will obtain cyanobacteria mud cake；
(4) cyanobacteria mud cake is subjected to drying and other treatment, is finally completed detoxification, dehydration and drying process.
Preferably, cyanobacteria mud solid content is 10~15% after step (1) the centrifugation progress pre-dehydration.
Preferably, the additional amount of step (2) described ozone is 2~10g/m3The volume of cyanobacteria mud after pre-dehydration.It is smelly
The additional amount of oxygen is based on the volume of cyanobacteria mud after pre-dehydration, specially 2~10g/m3。
Wherein, step (2) ultrasonication is that ultrasonication bottom of pond is placed ultrasonic wave shake plate, and can with one
The supersonic generator for adjusting supersonic frequency size is connected, and ultrasonic wave is low-frequency ultrasonic waves.
Further, the low-frequency ultrasonic waves are the ultrasonic wave of working frequency 20-100kHz, handle time 0.1-0.5h.
Wherein, it is that autoclave diaphragm filter press is dehydrated that step (3) the cyanobacteria mud, which carries out high press-dehydrating,；Operating pressure
1.2-2MPa dewatering time 0.2-0.5h.
Wherein, the drying and other treatment of step (4) the cyanobacteria mud cake uses low temperature desiccation, and temperature is 80-90 DEG C, drying time
2-8h。
A kind of detoxification of cyanobacteria of the present invention, dehydration and drying method, generate cavitation by ultrasonic wave in the liquid phase, have
There are a variety of complex effects such as mechanical effect, fuel factor, sonochemical effect, frustule wall is made to be cracked, releases moisture content intracellular
Come, convenient for the high-efficiency dehydration of cyanobacteria.In addition ultrasonic wave is mainly based upon the cavitation of ultrasonic wave to the degradation principles of water pollutant
Effect nuclear heat mechanism is realized by three approach: first is that being pyrolyzed in the cavitation bubble generated in ultrasonic procedure；Second is that in liquid
In body ontology or cavitation bubble liquid film, by ultrasonic procedure generate OH and H free radical attack and be degraded；Third is that in sky
Change the oxidation of the above-critical state water formed in the process and degrades；Ozone itself has strong oxidizing property, is added into ultrasonic system
Ozone, compared with single ultrasonic system, ultrasound-ozone Fourier Series expansion technique can effectively facilitate and improve the degradation efficiency of algae toxin.
The utility model has the advantages that compared with prior art, the present invention has the advantage that
1, the present invention is acted on using ultrasonic cavitation Cells of Blue-green Algae carrying out broken wall, improves dehydrating effect；2, of the invention
It is aoxidized using the algae toxin that ultrasound-ozone coupling high-level oxidation technology discharges cyanobacteria, degradation efficiency is high；3, cyanobacteria carries out
It is centrifuged preliminary pre-dehydration, reduces the energy consumption and ozone-depleting of subsequent process, while improving the degradation efficiency of algae toxin；4, it adopts
With high pressure dehydration technique, the moisture content of algal gel can be further decreased, also reduces the energy consumption of subsequent drying process；5, it applies
Low temperature drying technique avoids the generation of cyanobacteria carbonization and exhaust gas；6, ozone itself easily decomposes, and will not remain in dewatered algal gel
In mud cake, original ingredient of algal gel, the more conducively Deep of cyanobacteria ensure that.
On the whole, the detoxification, dehydration of cyanobacteria of the present invention and drying method utilize the thin of ultrasonic cavitation technology destruction cyanobacteria
Born of the same parents' structure makes its water intracellular be converted into Free water, to be easier to remove；In combination with the coupling efficient oxidation of ultrasound-ozone
The characteristics of with the easy decomposition noresidue of ozone itself, making that treated, blue algae content of toxins is greatly reduced, and additional no chemistry
Substance residual；Using high pressure dehydration technique, keeps the moisture content for being dehydrated algal gel lower, keep desiccation process more energy efficient；It is dry using low temperature
Change technology avoids the generation of cyanobacteria carbonization and exhaust gas.Process of the present invention is simple, easy to operate, and reaction is mild, algae toxin removing effect
Fruit is good, does not add flocculant and volume reduction amount is big, and moisture content is lower than 15%, effectively the algae toxin of cyanobacteria can remove same
When high-efficiency dehydration and desiccation are carried out to cyanobacteria；A kind of new solution route is provided for the high added value recycling of cyanobacteria.
Detailed description of the invention
Fig. 1 is the process flow chart of the detoxification of cyanobacteria of the present invention, dehydration and drying method.
Specific embodiment
Of the invention is described further below in conjunction with drawings and examples.
The processing method of cyanobacteria of the present invention and steps are as follows: being added centrifuge for the cyanobacteria of salvaging first and carry out pre-dehydration,
Water is discharged, obtains cyanobacteria mud；Sonication cell is added in cyanobacteria mud and carries out ultrasound-ozone coupling detoxification dehydration, ultrasonic wave
Ultrasonic wave shake plate is placed at processing pond bottom, and is connected with the supersonic generator of an adjustable supersonic frequency size, ultrasonic wave
For low-frequency ultrasonic waves, working frequency 20-100kHz, ozone is sent into ultrasonic reaction pond by ozone generator by pipeline.Pass through
Setting processing parameter-ultrasonic frequency, ozone dosage and processing time handle cyanobacteria mud；It will treated cyanobacteria
Mud autoclave diaphragm filter press is dehydrated, and cyanobacteria mud cake is obtained；Cyanobacteria mud cake feeding low-temperature drier is dried, finally
Dry algal gel is obtained, specific process flow chart is as shown in Figure 1.
Embodiment 1
1, the cyanobacteria for salvaging disembarkation (initial solid content is 1.5%) investment centrifuge is subjected to initial centrifugation dehydration, obtained
The cyanobacteria mud that solid content is 10%；
2, this cyanobacteria mud is added in sonication cell, sets different supersonic frequencies, ozone dosage is that 5mg/L is pre-
The volume of cyanobacteria mud after dehydration, after a certain period of time, algae toxin removal effect see the table below for processing.
3, it send autoclave diaphragm filter press to be dehydrated the algae solution after ultrasound-ozone coupling processing, in the pressure of 1.5MPa, takes off
Water time 0.3h；Algae moisture content of the cake can be obtained 52%~55%,；By algal gel cake carry out low temperature desiccation, 85 DEG C of desiccation temperature,
Dry algal gel of the moisture content 10%~15% can be obtained in drying time 4h.
Embodiment 2
1, the cyanobacteria for salvaging disembarkation (initial solid content is 1.5%) investment centrifuge is subjected to initial centrifugation dehydration, obtained
The cyanobacteria mud that solid content is 15%；
2, this cyanobacteria mud is added in sonication cell, supersonic frequency 20kHz, ozone dosage 2g/m3, processing
Time 0.5h；
3, the dehydration of autoclave diaphragm filter press will be sent into through step (2) treated cyanobacteria mud to take off in the pressure of 1.2MPa
Water time 0.5h；Algae moisture content of the cake 50% is obtained, algae toxin content is by 7580 μ gkg before being dehydrated-1(dry weight) is reduced to
113 μ gkg-, algae toxin removal efficiency reach 98.5%.
4, by the algae moisture content of the cake of dehydration in low temperature desiccation condition: 80 DEG C of desiccation temperature, drying time 8h is finally obtained
Dry algal gel moisture content is 12%.
Embodiment 3
1, the cyanobacteria for salvaging disembarkation (initial solid content is 1.5%) investment centrifuge is subjected to initial centrifugation dehydration, obtained
The cyanobacteria mud that solid content is 15%；
2, this cyanobacteria mud is added in sonication cell, supersonic frequency 100kHz, ozone dosage 10g/m3, place
0.1h is managed, algae toxin removal efficiency reaches 99.1%.
3, the algae solution after ultrasound-ozone coupling processing is sent to autoclave diaphragm filter press, operating pressure 2MPa, dewatering time
0.2h, by algal gel cake carry out low temperature desiccation, 90 DEG C of desiccation temperature, drying time 2h.
Claims (7)
1. a kind of detoxification of cyanobacteria, dehydration and drying method, which comprises the following steps:
(1) cyanobacteria of salvaging is directly subjected to centrifugation pre-dehydration, obtains cyanobacteria mud；
(2) cyanobacteria mud is subjected to ultrasonication, while is passed through ozone thereto；
(3) high press-dehydrating will be carried out through step (2) treated cyanobacteria mud, and will obtain cyanobacteria mud cake；
(4) cyanobacteria mud cake is subjected to drying and other treatment, is finally completed detoxification, dehydration and drying process.
2. the detoxification of cyanobacteria according to claim 1, dehydration and drying method, which is characterized in that step (1) described centrifugation
Cyanobacteria mud solid content is 10~15% after carrying out pre-dehydration.
3. the detoxification of cyanobacteria according to claim 1, dehydration and drying method, which is characterized in that step (2) described ozone
Additional amount be 2~10g/m3The volume of cyanobacteria mud after pre-dehydration.
4. the detoxification of cyanobacteria according to claim 1, dehydration and drying method, which is characterized in that step (2) described ultrasound
Wave processing occurs for ultrasonication bottom of pond is placed ultrasonic wave shake plate with the ultrasonic wave of an adjustable supersonic frequency size
Device is connected, and ultrasonic wave is low-frequency ultrasonic waves.
5. the detoxification of cyanobacteria according to claim 4, dehydration and drying method, which is characterized in that the low-frequency ultrasonic waves
For the ultrasonic wave of working frequency 20-100kHz, time 0.1-0.5h is handled.
6. the detoxification of cyanobacteria according to claim 1, dehydration and drying method, which is characterized in that step (3) described cyanobacteria
It is that autoclave diaphragm filter press is dehydrated that mud, which carries out high press-dehydrating,；Operating pressure 1.2-2MPa, dewatering time 0.2-0.5h.
7. the detoxification of cyanobacteria according to claim 1, dehydration and drying method, which is characterized in that step (4) described cyanobacteria
The drying and other treatment of mud cake preferably uses low temperature desiccation, and temperature is 80-90 DEG C, drying time 2-8h.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977904A (en) * | 2020-08-20 | 2020-11-24 | 福建莱诺尔生物科技有限公司 | Blue algae recycling treatment method |
| CN111995445A (en) * | 2020-09-07 | 2020-11-27 | 无锡东方船研水环境科技有限公司 | Blue algae dehydration algae mud waste treatment process |
| CN112457989A (en) * | 2020-12-11 | 2021-03-09 | 清正生态科技(苏州)有限公司 | Production process of blue algae wall-broken protein |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4488165B2 (en) * | 2003-11-06 | 2010-06-23 | 信秀 南雲 | Algae-killing and growth-inhibiting method for blue-green algae that are generated and survive in closed waters such as lakes and marine plants |
| CN101973601A (en) * | 2010-10-22 | 2011-02-16 | 东南大学 | Ship borne type ultrasound synergistic ozone device for processing lake-flooding deposits and method |
| CN102030451A (en) * | 2010-10-22 | 2011-04-27 | 东南大学 | In-situ innocuous treatment plant and method for removing aged algae and algae residues through synergetic actions of ultrasonic and ozone |
| US8999154B2 (en) * | 2007-08-02 | 2015-04-07 | Ecosphere Technologies, Inc. | Apparatus for treating Lake Okeechobee water |
| CN105693063A (en) * | 2016-01-26 | 2016-06-22 | 江苏省环境科学研究院 | Deep dehydration and desiccation method of blue-green algae |
-
2019
- 2019-03-04 CN CN201910162009.5A patent/CN109912087A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4488165B2 (en) * | 2003-11-06 | 2010-06-23 | 信秀 南雲 | Algae-killing and growth-inhibiting method for blue-green algae that are generated and survive in closed waters such as lakes and marine plants |
| US8999154B2 (en) * | 2007-08-02 | 2015-04-07 | Ecosphere Technologies, Inc. | Apparatus for treating Lake Okeechobee water |
| CN101973601A (en) * | 2010-10-22 | 2011-02-16 | 东南大学 | Ship borne type ultrasound synergistic ozone device for processing lake-flooding deposits and method |
| CN102030451A (en) * | 2010-10-22 | 2011-04-27 | 东南大学 | In-situ innocuous treatment plant and method for removing aged algae and algae residues through synergetic actions of ultrasonic and ozone |
| CN105693063A (en) * | 2016-01-26 | 2016-06-22 | 江苏省环境科学研究院 | Deep dehydration and desiccation method of blue-green algae |
Non-Patent Citations (1)
| Title |
|---|
| 张光明等: "《超声波水处理技术》", 30 September 2006, 中国建筑工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977904A (en) * | 2020-08-20 | 2020-11-24 | 福建莱诺尔生物科技有限公司 | Blue algae recycling treatment method |
| CN111995445A (en) * | 2020-09-07 | 2020-11-27 | 无锡东方船研水环境科技有限公司 | Blue algae dehydration algae mud waste treatment process |
| CN112457989A (en) * | 2020-12-11 | 2021-03-09 | 清正生态科技(苏州)有限公司 | Production process of blue algae wall-broken protein |
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