CN107130002A - A kind of method that electric field and microwave coupling reinforcing marine alga anaerobic fermentation produces methane - Google Patents
A kind of method that electric field and microwave coupling reinforcing marine alga anaerobic fermentation produces methane Download PDFInfo
- Publication number
- CN107130002A CN107130002A CN201710363553.7A CN201710363553A CN107130002A CN 107130002 A CN107130002 A CN 107130002A CN 201710363553 A CN201710363553 A CN 201710363553A CN 107130002 A CN107130002 A CN 107130002A
- Authority
- CN
- China
- Prior art keywords
- anaerobic fermentation
- marine alga
- microwave
- electric field
- methane
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The invention discloses a kind of method that electric field and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, comprise the following steps：(1) marine alga is chosen, after pretreatment, water or other solution is added, obtains marine alga mixed liquor；(2) the marine alga mixed liquor in step (1) is taken, Microwave Pretreatment is first carried out, then carry out heat pre-treatment；(3) the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment is subjected to anaerobic fermentation processing in the presence of DC electric field and microwave, there is methane in anaerobic fermentation process, collect the methane produced.This method realizes marine alga efficient anaerobic fermentation methane phase by the coupling of weak electric field and microwave, and fermenting speed is fast and system operation is efficient.
Description
Technical field
The invention belongs to marine algae resource processing technology field, and in particular to a kind of electric field and microwave coupling reinforcing marine alga is detested
The method that aerobe fermentation produces methane.
Background technology
World energy sources demand constantly increases, but excessive exploitation of the non-renewable fuel such as oil, coal etc. one are arranged
Problem result in the global problems such as energy shortage and environmental pollution.Under new energy form, countries in the world start sight
New and renewable sources of energy field is gathered, biomass energy is most safe, the most stable of energy, and countries in the world are all for life
Thing energy industry has formulated a series of encouragement and incentive policy." grain, the energy, the environment " faced as the current China of alleviation
One of effective way of three big crises, anaerobic fermentation technology is extensively concerned.Anaerobic fermentation technology is biomass energy, resource
Change a kind of effective way utilized.Have started to be subject to digging utilization to anaerobic digestion techniques early in thousands of years prehumans, in science
The today developed rapidly, in terms of current market bio anaerobic technique and technology, no matter small-sized anaerobic technique equipment, or large-scale work
Factory's anaerobic technique equipment, all follows the requirement strongly met with biometric safeguard anaerobic technique environment, and biological growth.Example
Such as, bio anaerobic needs anaerobic, just tries to accomplish closed in technique and technology.Bio anaerobic needs temperature, in technique and skill
Just try heating in art.Bio anaerobic needs mutual flowing, just tries agitation in technique and technology.Bio anaerobic needs increase
Strain, just tries manually to cultivate strain addition or the mud backflow of activation slag in technique and technology, keeps strain here.Anaerobic fermentation technology
It is that biomass resource can be converted into the effective ways of energy methane and high-quality organic fertilizer at many levels.
For terrestrial energy crop, the biomass material that marine alga produces methane as anaerobic fermentation is excellent with three
Gesture.First, Marine Algae In Photosynthesis efficiency high, growth are rapidly and yield of biomass is high, and yield of biomass is 9 times of corn.Secondly,
Marine alga is as aquatile, and large-scale culture is not take up the cultivated area of preciousness.In addition, seldom containing in algae component on land
The wood fibre structure largely existed in higher plant, relatively easy hydrolysis and fermentation and hydrogen production gas, methane.Therefore, marine alga is one
Plant the biomass material with extensive energy application potential.
For this biomass material of marine alga, it is necessary first to carry out physical or chemical treatment, to be allowed to be changed into relatively to be adapted to
In the raw material of anaerobic biotransformation.Containing substantial amounts of small organic molecule in tail washings after marine alga anaerobic fermentation, such as acetic acid,
Butyric acid and ethanol etc., energy loss and environmental pollution can be caused without processing directly discharge.For marine alga raw material anaerobic fermentation
Reaction characteristicses, it is necessary to study the problem that corresponding preprocess method solves marine alga Degradation and Transformation, improve the yield of biological methane.
Increasingly closely contact occurs between electrical field stimulation technology and microbial engineering.Correlative study has been directed to
To the influence of the aspects such as electrical field stimulation cell growth, metabolism, enzyme activity and permeability of cell membrane, and it is widely used
In industries such as environment, biochemical industries, while also providing new technology for bioengineering field, biochemical industry and electric field have been promoted
The development of technology.Different organic matter being decomposed of various species, enormous amount, function is perched in methane pond and produces first
Each quasi-microorganism of alkane.The growth and metabolism of microbial cell can be stimulated when being reacted using weak current exciting electrode, is produced
Facilitation.Result of study shows that microwave treatment can improve the burst size of fermentable sugars simultaneously；Enzyme of the non-thermal effect to thalline
Yield is improved effect or has facilitation to the activity of enzyme；The effect of vibration of microwave is conducive to marine alga surface newly to produce gas
Release, adds fermentable area indirectly.Therefore the electric field-enhanced anaerobic fermentation technology of microwave coupling have fermenting speed fast and
The advantages of system operation is efficient, quick, the stable methane fermentation how reached in the case where electric field and microwave coupling are acted on is to realize
The key of the efficient methane phase of anaerobic fermentation.
Thus, efficiently dividing for components of biomass can be realized by exploring the method for the fermentation methane processed that marine alga can efficiently comprehensively utilize
Level is utilized, and is increased substantially factor of created gase and energy conversion efficiency, is realized that its recycling has great importance from engineering viewpoint.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of electric field and microwave coupling reinforcing marine alga anaerobic fermentation is produced
The method of methane, this method can realize marine alga efficient anaerobic fermentation methane phase, fermentation speed by the coupling of electric field and microwave
Degree is fast, and factor of created gase and energy conversion efficiency, system operation are efficient.
First technical problem of the present invention is achieved by the following technical solution：A kind of electric field and microwave coupling are strong
Change the method that marine alga anaerobic fermentation produces methane, comprise the following steps：
(1) marine alga is chosen, after pretreatment, water or other solution is added, obtains marine alga mixed liquor；
(2) the marine alga mixed liquor in step (1) is taken, Microwave Pretreatment is first carried out, then carry out heat pre-treatment；
(3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and the work of microwave
Anaerobic fermentation processing is carried out under, there is methane in anaerobic fermentation process, the methane produced is collected.
In above-mentioned electric field and microwave coupling reinforcing marine alga anaerobic fermentation produce the method for methane：
Marine alga described in step (1) is preferably one kind in bar Enteromorpha, sargassum, sea-tangle, sargassum fusifome, seaweed and fragrant plant mentioned in ancient texts
Or it is several.
Described in step (1) pretreatment include natural drying, dry to constant weight, crush, wherein crushing after marine alga length
Preferably 2~40mm.
The proportion by weight of marine alga described in step (1) and described water or other solution is preferably 1:1~20, institute
Other solution preferably sludge stated, the moisture content of the sludge is preferably 75~80%, or other described solution are preferably egg
White enzyme, or other described solution are preferably chemical solution, the chemical solution be preferably sulfuric acid, hydrochloric acid, phosphoric acid, sodium hydroxide,
Potassium hydroxide, sodium carbonate, sodium acid carbonate or urea, its weight/mass percentage composition are preferably 0.5~98%.
In step (2) during Microwave Pretreatment, microwave radiation frequencies are 2450MHz, and power is preferably 150~850W, processing
Time is preferably 10~200min.
The added value of marine alga can be effectively increased using Microwave Pretreatment marine alga, the economic effect for improving marine alga exploitation and utilizing
Benefit.Because the non-thermal effect of microwave can play loose effect to the crystal structure of marine alga, fermentable component is set more to hold
Easily it is utilized.Microwave treatment marine alga i.e. of the present invention can be effectively increased the burst size for improving fermentable sugars, and adding indirectly to send out
The area of ferment.
In step (2) during heat pre-treatment, temperature is preferably 50~150 DEG C, and processing time is preferably 40~150min.
In step (3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and micro-
When carrying out anaerobic fermentation processing in the presence of ripple and under stirring condition, temperature is preferably 30~150 DEG C during anaerobic fermentation processing,
More preferably 45~55 DEG C, the anaerobic fermentation time is preferably 3~14 days.
In step (3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and micro-
When carrying out anaerobic fermentation processing in the presence of ripple and under stirring condition, carried out in anaerobic fermentation container, the anaerobic fermentation
Provided with two electrode pads and the dc source being connected with two electrode pad by wire, and microwave generator in container
The microwave energy output post being connected with the microwave generator, wherein the voltage of the dc source is 0.2~2.5V, it is described
The radiant power of microwave generator is preferably 0.1~100000W, more preferably 0.1~800w, and radiated time is preferably 0.1~
600min。
In step (3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and micro-
When carrying out anaerobic fermentation processing in the presence of ripple and under stirring condition, carried out in anaerobic fermentation container, the marine alga mixing
The addition of liquid preferably accounts for the 60%~75% of the anaerobic fermentation container cumulative volume, and more preferably 75%, carry out at anaerobic fermentation
First nitrogen is used to purge out the air in anaerobic fermentation container before reason.
The growth and metabolism of microbial cell can be stimulated when being reacted using weak current exciting electrode, produces and promotes to make
With.I.e. the present invention can be by weak electric field to the growth and breeding of fermentative microorganism, metabolism, enzymatic activity and cell membrane penetration
Property produce actively impact, promote fermentation reaction, so as to realize marine alga efficient anaerobic fermentation methane phase.
Step (1)~(3) need stirring, and mixing speed is preferably 25~450rmp.
Compared with prior art, the present invention has advantages below：
(1) what the inventive method was provided carries out Microwave Pretreatment to marine alga solid matter, not only increases biosolids
Substance dehydrates performance, and marine alga moisture content is reduced, liquefied substance is improved to the dehydrating effect of marine alga, has activated algae inner structure
Make its loose；
(2) electric energy is effectively applied in seaweed biomass anaerobic fermentation by the inventive method, is realized to anaerobic environment
Middle supplement energy, have activated microorganism, promote microbial bacteria fast-growth, accelerates marine alga molecule fast decoupled, excites thing
Matter interior energy, is served with energy acting effect, while the effect of coupling microwaves also causes the burst size increase of fermentable sugars；Microwave
Effect of vibration be also beneficial to the release of marine alga surface gas, fermentable area is added indirectly；Side provided by the present invention
Method improves the treatment effeciency of whole system, and improves marine alga anaerobic fermentation gas production efficiency, stable gas production, and energy consumption is low；
(3), the inventive method can shorten marine alga anaerobism and start the time, improve marine alga anaerobic digestion gas production total amount, promote sea
The recycling of algae；
(4) not only treatment effeciency is high for the system that the present invention is provided, and compact conformation, mutual cooperation running, stable；
(5) so, electric field-enhanced anaerobic fermentation, microwave radiation are strengthened the technology such as broken wall and organically combined by the inventive method
Come, realize physical chemistry intensive treatment technology and microbiological treatment technology is combined, be truly realized the efficient profit of organic substrates
With improving the operation stability of whole system.
Brief description of the drawings
Fig. 1 represents that the electric field and microwave coupling reinforcing marine alga anaerobic fermentation of the present invention produces the method flow diagram of methane, figure
In each label represent：1- marine alga storage tanks, 2- stirring rod, 3- motors, 4- pumps, 5- microwave treatment generators, 6- pretreatment tanks, 7- detests
Aerobe fermentation tank, 8- temperature-sensing probes, 9- temperature controllers, 10- heating tubes, 11- dc sources, 12- valves, 13- slag-drip openings, 14- methane
Collecting tank, 15- methane outlets, 16- electrode pads, 17- microwave generators, 18- microwave energies output post.
Embodiment
Invention is described further with reference to embodiment and accompanying drawing.
Embodiment 1
The method that electric field and microwave coupling the reinforcing marine alga anaerobic fermentation that the present embodiment is provided produce methane, including following step
Suddenly：
(1) then marine alga (sea-tangle, seaweed) natural drying, drying are crushed to 2mm to constant weight, add water, solid-to-liquid ratio is
1:20。
(2) it is first to carry out Microwave Pretreatment and then to carry out pretreatment to described mixing marine alga liquid, rear to carry out heating pre- place
Reason.
Microwave Pretreatment uses microwave irradiation power 850W, frequency 2450MHz, and processing time is 85min.
Heat pre-treatment after Microwave Pretreatment.Heat treatment temperature is 150 DEG C, and processing time is 150min.
(3) anaerobic fermentation stage.By marine alga from pretreatment tank is input to anaerobic fermentation tank, marine alga in anaerobic fermentation tank 7
Stable content in tank volume 75%.
Air in anaerobic fermentation tank is purged out before wherein testing with nitrogen first, by heating tube by anaerobic fermentation tank
Temperature control is at 45 DEG C.Two electrode pads and dc source are fixed with anaerobic fermentation tank, also microwave energy exports post and micro-
Wave producer, the effect of coupled electric field and microwave is fermented 3 days during marine alga anaerobic fermentation, collects the methane produced.
The voltage of dc source is 2V, and the radiant power of the microwave generator is 500W, and radiated time is 30min.
The gas of generation mainly has a methane and carbon dioxide, and wherein methane concentration has a small amount of hydrogen up to 73.6% in gas
Detection.
Detailed process is：
As shown in figure 1, the mixture of marine alga and water or chemical solution is poured into marine alga storage tank 1, pump 4 is by marine alga storage tank 1
In seaweed mix be delivered in microwave treatment generator 5, to marine alga carry out Microwave Pretreatment.Through pump 4 after Microwave Pretreatment
It is transported in pretreatment tank 6 and carries out heat pre-treatment.Marine alga is input in anaerobic fermentation tank 7 from pretreatment tank 6 through pump 4.Sea
Algae storage tank 1, pretreatment tank 6, the stirring rod 2 being provided with anaerobic fermentation tank 7, stirring rod 2 are controlled by motor 3.Anaerobic fermentation
Temperature-sensing probe 8, heating tube 10 and temperature controller 9 are provided with tank 7.Anaerobic fermentation tank 7 is provided with two electrode pads 16 of middle fixation
It is connected by wire with two electrodes of the dc source 11 being fixed in anaerobic fermentation tank, the electric current of motor 3 is DC current.It is micro-
Wave energy exports top launch microwave of the post 18 from anaerobic fermentation tank 7, and microwave energy output post 18 is controlled by microwave generator 17.
The gas namely for methane produced in the fermentation process of anaerobic fermentation tank 7 is discharged from the upper air vent of anaerobic fermentation tank 7, is passed into methane
In collecting tank 14.After gas reaches certain volume in tank, valve 12 is opened, discharges, collect at methane outlet 15.Anaerobism is sent out
The liquid that fermentation tank 7 is produced is discharged by Valve controlling from the bottom of anaerobic fermentation tank 7 by slag-drip opening 13.
Two electrode input voltages are 0.2-2.5V in anaerobic fermentation tank 7.
Anaerobic fermentation tank 7 can both use continuous feeding and discharging, it would however also be possible to employ gap input and output material, and this can pass through valve people
Industry control system.
Two fixed electrode pads pass through wire and the dc source being fixed in anaerobic fermentation tank in anaerobic fermentation tank 7
Two electrodes are connected, and bipolar electrode and DC current export two terminations composition power supply closed-loop path, the area of two electrode pads and apart
Distance, DC current are adjusted by the specific size of anaerobic fermentation tank.The voltage model that adjustable DC electric current is inputted to two electrodes
It is 0.2-2.5V to enclose.
Marine alga storage tank, pretreatment tank, the agitator in anaerobic fermentation tank are continuous operation, pass through electric machine control system
Mixing speed is in 300rmp.
Embodiment 2
The method that electric field and microwave coupling the reinforcing marine alga anaerobic fermentation that the present embodiment is provided produce methane, including following step
Suddenly：
(1) then marine alga (sargassum fusifome, bar Enteromorpha) natural drying, drying are crushed to 40mm to constant weight, add quality hundred
Divide the phosphoric acid solution of concentration 0.5%, mixing ratio is 1:15.
(2) described mixing marine alga liquid is pre-processed and first carries out Microwave Pretreatment, heat pre-treatment is carried out afterwards.
The Microwave Pretreatment uses microwave irradiation power 150W, frequency 2450MH, and processing time is 10min.
Heat pre-treatment after Microwave Pretreatment.Heat treatment temperature is 50 DEG C, and processing time is 100min.
(3) anaerobic fermentation stage.By marine alga from pretreatment tank is input to anaerobic fermentation tank, marine alga content is steady in fermentation tank
It is scheduled on the 75% of tank volume.
Air in anaerobic fermentation tank is purged out before wherein testing with nitrogen first, by heating tube by anaerobic fermentation tank
Temperature control is at 30 DEG C.Two electrode pads and DC current are fixed with anaerobic fermentation tank, also microwave energy exports post and micro-
Wave producer, the effect of coupled electric field and microwave is fermented 5 days during marine alga anaerobic fermentation, collects the methane produced.
The voltage of dc source is 1.5V, and the radiant power of the microwave generator is 1000W, and radiated time is
100min。
Step (1)~(3) need stirring, and mixing speed is 250rmp.
The gas of generation mainly has a methane and carbon dioxide, and wherein methane concentration does not have hydrogen inspection up to 46.8% in gas
Go out.
Embodiment 3
The method that electric field and microwave coupling the reinforcing marine alga anaerobic fermentation that the present embodiment is provided produce methane, including following step
Suddenly：
(1) then marine alga (sargassum) natural drying, drying are crushed to 25mm to constant weight, add quality moisture content
80% sludge, mixing ratio is 1:10.
(2) described mixed solution is pre-processed and first carries out Microwave Pretreatment, heat pre-treatment is carried out afterwards.It is described micro-
Ripple pretreatment uses microwave irradiation power 180W, microwave frequency for 2450MHz, and processing time is 100min.
Heat pre-treatment after Microwave Pretreatment.Heat treatment temperature is 100 DEG C, and processing time is 50min.
(3) anaerobic fermentation stage.By marine alga from pretreatment tank is input to anaerobic fermentation tank, marine alga content is steady in fermentation tank
It is scheduled on the 75% of tank volume.
Air in anaerobic fermentation tank is purged out before wherein testing with nitrogen first, by heating tube by anaerobic fermentation tank
Temperature control is at 55 DEG C.Two electrode pads and DC current are fixed with anaerobic fermentation tank, also microwave energy exports post and micro-
Wave producer, the effect of coupled electric field and microwave is fermented 8 days during marine alga anaerobic fermentation, collects the methane produced.
The voltage of dc source is 2.5V, and the radiant power of the microwave generator is 10000W, and radiated time is
10min。
Step (1)~(3) need stirring, and mixing speed is 450rmp.
The gas of generation mainly has a methane and carbon dioxide, and wherein methane concentration has a small amount of hydrogen up to 75.1% in gas
Detection.
Above example is used merely to explain the present invention, and protection scope of the present invention is not intended to be limited to above implementation
Example.The those of ordinary skill of the technical field takes scope according to above present disclosure and each parameter, can be real
The existing purpose of the present invention.
Claims (10)
1. a kind of electric field and microwave coupling reinforcing marine alga anaerobic fermentation produce the method for methane, it is characterized in that comprising the following steps：
(1) marine alga is chosen, after pretreatment, water or other solution is added, obtains marine alga mixed liquor；
(2) the marine alga mixed liquor in step (1) is taken, Microwave Pretreatment is first carried out, then carry out heat pre-treatment；
(3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in the presence of DC electric field and microwave
Anaerobic fermentation processing is carried out, there is methane in anaerobic fermentation process, the methane produced is collected.
2. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：Marine alga described in step (1) is the one or more in bar Enteromorpha, sargassum, sea-tangle, sargassum fusifome, seaweed and fragrant plant mentioned in ancient texts.
3. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：Described in step (1) pretreatment include natural drying, dry to constant weight, crush, wherein crush after marine alga length be 2~
40mm。
4. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：The proportion by weight of marine alga described in step (1) and described water or preferably other solution is 1:1~20, it is described
Other solution are sludge, and the moisture content of the sludge is 75~80%, or other described solution are protease, or described other are molten
Liquid is chemical solution, the chemical solution be sulfuric acid, hydrochloric acid, phosphoric acid, sodium hydroxide, potassium hydroxide, sodium carbonate, sodium acid carbonate or
Urea, its weight/mass percentage composition is 0.5~98%.
5. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：In step (2) during Microwave Pretreatment, microwave radiation frequencies are 2450MHz, it 150~850W, processing time is 10 that power, which is ,~
200min。
6. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：In step (2) during heat pre-treatment, temperature is 50~150 DEG C, and processing time is 40~150min.
7. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：In step (3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and the work of microwave
During with carrying out anaerobic fermentation processing under lower and stirring condition, temperature is 30~150 DEG C during anaerobic fermentation processing, during anaerobic fermentation
Between be 3~14 days.
8. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：In step (3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and the work of microwave
During with carrying out anaerobic fermentation processing under lower and stirring condition, carried out in anaerobic fermentation container, in the anaerobic fermentation container
The dc source being connected provided with two electrode pads and with two electrode pad by wire, and microwave generator and with institute
The connected microwave energy output post of microwave generator is stated, wherein the voltage of the dc source is 0.2~2.5V, the microwave hair
The radiant power of raw device is 0.1~100000W, and radiated time is 0.1~600min.
9. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：In step (3) will the marine alga mixed liquor through step (2) Microwave Pretreatment and heat pre-treatment in DC electric field and the work of microwave
During with carrying out anaerobic fermentation processing under lower and stirring condition, in anaerobic fermentation container carry out, the marine alga mixed liquor plus
Enter amount accounts for the anaerobic fermentation container cumulative volume 60%~75%, progress anaerobic fermentation before processing is first purged out using nitrogen detests
Air in aerobe fermentation container.
10. the method that electric field according to claim 1 and microwave coupling reinforcing marine alga anaerobic fermentation produce methane, its feature
It is：Step (1)~(3) need stirring, and mixing speed is 25~450rmp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363553.7A CN107130002B (en) | 2017-05-22 | 2017-05-22 | Method for preparing methane by enhancing anaerobic fermentation of seaweed through coupling of electric field and microwave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363553.7A CN107130002B (en) | 2017-05-22 | 2017-05-22 | Method for preparing methane by enhancing anaerobic fermentation of seaweed through coupling of electric field and microwave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107130002A true CN107130002A (en) | 2017-09-05 |
| CN107130002B CN107130002B (en) | 2021-05-25 |
Family
ID=59733174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363553.7A Active CN107130002B (en) | 2017-05-22 | 2017-05-22 | Method for preparing methane by enhancing anaerobic fermentation of seaweed through coupling of electric field and microwave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107130002B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315357A (en) * | 2018-04-10 | 2018-07-24 | 中国华能集团清洁能源技术研究院有限公司 | The method and system of combustible are coupled using regenerative resource and biomass |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009067771A1 (en) * | 2007-11-26 | 2009-06-04 | Universidade Federal Do Rio De Janeiro | Production of ethanol from algae |
| DE102009039363A1 (en) * | 2009-08-31 | 2011-03-03 | Hohenester, Hermann, Dr. | Providing food intermediate- or food end-products, comprises preparing e.g. linseed and crushed linseed, separating together with e.g. natural products, preferably psyllium husks and hydrocolloids into fractions by e.g. crushing |
| CN103086582A (en) * | 2011-10-31 | 2013-05-08 | 中国海洋石油总公司 | Methane preparation method |
| CN103088074A (en) * | 2013-02-26 | 2013-05-08 | 昆明理工大学 | Electrochemical synergic lignocellulose biodegrading method |
-
2017
- 2017-05-22 CN CN201710363553.7A patent/CN107130002B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009067771A1 (en) * | 2007-11-26 | 2009-06-04 | Universidade Federal Do Rio De Janeiro | Production of ethanol from algae |
| DE102009039363A1 (en) * | 2009-08-31 | 2011-03-03 | Hohenester, Hermann, Dr. | Providing food intermediate- or food end-products, comprises preparing e.g. linseed and crushed linseed, separating together with e.g. natural products, preferably psyllium husks and hydrocolloids into fractions by e.g. crushing |
| CN103086582A (en) * | 2011-10-31 | 2013-05-08 | 中国海洋石油总公司 | Methane preparation method |
| CN103088074A (en) * | 2013-02-26 | 2013-05-08 | 昆明理工大学 | Electrochemical synergic lignocellulose biodegrading method |
Non-Patent Citations (1)
| Title |
|---|
| 王俊等: "微波辅助对秸秆厌氧发酵过程的影响", 《江苏农业科学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315357A (en) * | 2018-04-10 | 2018-07-24 | 中国华能集团清洁能源技术研究院有限公司 | The method and system of combustible are coupled using regenerative resource and biomass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107130002B (en) | 2021-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jena et al. | An experimental approach to produce biogas from semi dried banana leaves | |
| CN103451095B (en) | Method for preparing marsh gas through straw, excrement and kitchen waste | |
| CN103087901B (en) | Distributed biological fermentation energy supply system | |
| CN101560525B (en) | Biomass pretreatment method, method and equipment for preparing firedamp by biomass anaerobic fermentation | |
| CN108048507A (en) | A kind of method using agricultural crop straw industrialization production ethyl alcohol | |
| CN206799604U (en) | A kind of electric field and microwave coupling strengthen marine alga anaerobic fermentation and produce methane system | |
| Zhang et al. | Enhanced biohydrogen production from cornstalk through a two‐step fermentation: Dark fermentation and photofermentation | |
| CN104878045B (en) | A kind of method of steam puffed stalk and cow dung two-phase mixtures producing methane through anaerobic fermentation | |
| CN105063096A (en) | Method for quickly producing methane through anaerobic fermentation of kitchen waste at normal temperature | |
| CN102766571A (en) | Biohydrogen production method and device adopting hydrophyte and animal manure light-dark cascade coupling | |
| CN207581802U (en) | A kind of device of the mixed material fermentation and biogas production with hydro-thermal process | |
| CN107130002A (en) | A kind of method that electric field and microwave coupling reinforcing marine alga anaerobic fermentation produces methane | |
| Zieliński et al. | Influence of microwave heating on biogas production from Sida hermaphrodita silage | |
| CN101368190A (en) | Method for improving volume of production of corn straw biogas with sodium hydroxide wet-type solid state treatment at normal temperature | |
| CN107337328B (en) | Method and reactor for breaking sludge by injecting alkali liquor back in cooperation with ultrasonic waves | |
| Zablodskiy et al. | The Influence of Previous Treatment of Wheat Straw from Bales on the Intensity of Biogas Outlet | |
| CN108315357A (en) | The method and system of combustible are coupled using regenerative resource and biomass | |
| CN108795993A (en) | The method that oxygenation pretreatment banana stalk cooperates with pig manure promotion producing methane through anaerobic fermentation | |
| CN100390293C (en) | Method for improving rice straw anaerobic digestion methane yield by sodium hydroxide solid-state normal-temperature treatment | |
| CN208328042U (en) | Utilize the system of renewable energy and biomass coupling combustible | |
| CN109355314B (en) | Method for producing combustible gas by using kitchen garbage and sludge | |
| CN207581801U (en) | A kind of mixed material fermentation and biogas production device with low temperature sterilization | |
| CN106554974B (en) | Method for producing hydrogen by fermentation by using modified peanut shells as supplementary substrate | |
| Liu et al. | Economic co-production of cellulosic ethanol and microalgal biomass through efficient fixation of fermentation carbon dioxide | |
| CN104073522A (en) | Technology for preparing methane through steam explosion sugarcane leaves dry-method anaerobic fermentation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |