CN107513442A - Indirect type Methane decarbonization method of purification and system based on microalgae photosynthetic carbon fixation principle - Google Patents
Indirect type Methane decarbonization method of purification and system based on microalgae photosynthetic carbon fixation principle Download PDFInfo
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- CN107513442A CN107513442A CN201710933440.6A CN201710933440A CN107513442A CN 107513442 A CN107513442 A CN 107513442A CN 201710933440 A CN201710933440 A CN 201710933440A CN 107513442 A CN107513442 A CN 107513442A
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- microalgae
- biogas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/104—Carbon dioxide
Abstract
The invention discloses the indirect type Methane decarbonization method of purification based on microalgae photosynthetic carbon fixation principle and system, one kind realizes Methane decarbonization method of purification based on microalgae photosynthetic carbon fixation principle, it is characterised in that completes in accordance with the following steps：Pending biogas is passed into the retort equipped with sodium carbonate salt solution, reaction generation sodium acid carbonate salting liquid, the reacted tank discharge of biogas after chemical decarburization purification is collected；Solution after being reacted in retort with biogas is drained in microalgae culture system, as the carbon source required for microdisk electrode process；And the nutrient required for micro algae growth is supplemented into microalgae culture system；In microalgae culture system, the carbon fixation in sodium acid carbonate salting liquid is itself organic matter and generates sodium carbonate salt solution by microalgae；After the completion of microdisk electrode, the microalgae in microalgae culture system is harvested using microalgae recovery system；The present invention can be widely used in the fields such as the energy, chemical industry, environmental protection.
Description
Technical field
The present invention relates to field of renewable energy resource utilization, and in particular to carries out indirect type natural pond based on microalgae photosynthetic carbon fixation principle
Gas decarbonization method of purification and system.
Background technology
Biogas is to be made by microorganism by anaerobic digestion as a kind of renewable and environment-friendly biomass energy form
With caused flammable mixed gas.The main chemical compositions of biogas are methane (40%-75%) and carbon dioxide (15%-
, and a small amount of vapor, hydrogen sulfide, ammonia, nitrogen and oxygen etc. 60%).At this stage, Chinese biogas energyization utilizes master
Based on being utilized with low-grade heat, but with the construction of centralized biogas engineering and the development of biogas industry scale, biogas
The middle and high end utilization ways of efficient high level, such as marsh gas power generation, vehicle fuel, constantly extension and growth.However, carry out
Before above-mentioned recovery energy, in order to reduce carbon dioxide in methane content to improve biogas calorific value and energy density, meet day
The right fertile primary index requirement of gas to biogas, it is necessary to further carry out corresponding decarburization purification operations.Biogas after decarburization purifies
Its methane content >=97%, carbon dioxide content≤3% need to be met.
Industrially the technique of conventional biogas carbon dioxide removal is mainly physical-chemical process, as high-pressure washing, transformation are inhaled
Echo UF membrane etc..The gas product rich in methane can be obtained although with above-mentioned conventional method, but this kind of method is entered
Row Methane decarbonization still has the shortcomings of power consumption is high, cost is high when purifying.First, physical-chemical process has certain to unstripped gas
Pressure requirements, this causes unstripped gas to consume substantial amounts of energy (3%-6% for accounting for biogas energy storage) in compression process.And
And if the Gas Exploitation after decarburization purification is transported with low pressure pipeline, the decompression process of product can further result in operative employee again
The complication of skill.Secondly as part irreversibility of the sorbing material in resuscitation process so that Methane decarbonization purification process
System circulation is poor, and then causes the methane in sewage gas rate of recovery unstability to be present.Finally, decarburization is carried out using physical-chemical process
Unnecessary accessory substance can be also produced during purification, and the removing operation to accessory substance can additionally increase technological investment and fortune
Row cost.
In recent years, in view of carrying out Methane decarbonization purification using conventional physical chemical method has the defects of certain, researcher
Propose the method for using and carrying out direct-type biochemistry decarburization purification to biogas using microalgae as biomass absorbing unit.Compare
In traditional physical-chemical process, this kind of method is that directly unstripped gas is injected into microalgae algae solution, and microalgae utilizes photosynthesis pair
Carbon dioxide in biogas realizes that removing is handled.In addition, the microalgae for supplying to obtain by the use of the carbon dioxide in biogas as carbon source
Biomass can be used as the raw material sources of the bio-fuels such as biodiesel, biogas, or for produce medicine, cosmetics,
The high value-added products such as health products, add the output of added economic value in Methane decarbonization purification process.But microalgae is sharp
With photosynthetic carbon fixation can produce the oxygen of equivalent while direct-type Methane decarbonization purifies, the natural gas for being mixed into oxygen is transporting
During explosion danger be present, the abjection of oxygen will also result in the increase of operating cost.Secondly, microalgae carries out photosynthesis presence
Periodically so that Methane decarbonization purification system can not round-the-clock continuous operation.Most importantly, being passed directly into that biogas has very much can
It can suppress micro algae growth, and then cause decarburization purification efficiency to decline and decline with microalgae biomass product yield.
The content of the invention
It is former based on microalgae photosynthetic carbon fixation it is an object of the invention to provide one kind in order to solve the shortcomings that above-mentioned prior art
The indirect type Methane decarbonization method of purification and system of reason, solve complex operation, cost of investment in traditional Methane decarbonization purification process
The problems such as height, cyclicity difference, while solve to utilize microalgae to carry out microdisk electrode present in direct-type Methane decarbonization purification process
The problems such as limited and decarburization purification efficiency is relatively low.
The present invention first technical scheme be：One kind realizes Methane decarbonization purification side based on microalgae photosynthetic carbon fixation principle
Method, it is characterised in that complete in accordance with the following steps：
Step 1, pending biogas is passed into reaction generation sodium bicarbonate salt in the retort equipped with sodium carbonate salt solution
Solution, the reacted tank discharge of biogas after chemical decarburization purification are collected；
Step 2, the solution after being reacted in retort with biogas is drained in microalgae culture system, as
Carbon source required for microdisk electrode process；And the nutrient required for micro algae growth is supplemented into microalgae culture system；
Step 3, in microalgae culture system, microalgae by the carbon fixation in sodium acid carbonate salting liquid be itself organic matter simultaneously
Generate sodium carbonate salt solution；After the completion of microdisk electrode, the microalgae in microalgae culture system is carried out using microalgae recovery system
Harvesting；The liquid solution in microalgae recovery system is back in retort again again after harvesting and is used for Methane decarbonization purification.
Two kinds of theories of chemical method and bioanalysis are fused in Methane decarbonization purification process by the present invention simultaneously, are realizing biogas
While decarburization purifies, the discharge of carbon dioxide can not only be greatly reduced, and can act on and obtain by microalgae photosynthetic carbon fixation
Microalgae biomass, it is the high additive values such as production and medicine, chemicals, the health products of the bio-fuels such as biodiesel, biogas
Production provides reliable and effective organic substrates；The present invention has evaded the higher investment of conventional physical chemical method and operating cost
And complicated operating procedure；Solve using pending biogas in microalgae progress direct-type Methane decarbonization purification process for micro-
The adverse effect of algae growth, and the too high potential danger for during biogas transport and use of oxygen content；Solve simultaneously
Carry out that microdisk electrode present in direct-type Methane decarbonization purification process is limited and decarburization purification efficiency is more low using microalgae
Problem；Cost of the present invention is low, simple in construction, simple to operate；It can be widely used in the fields such as the energy, environmental protection.
The present invention second technical scheme be：It is a kind of that Methane decarbonization purification system is realized based on microalgae photosynthetic carbon fixation principle
System, including retort, microalgae culture system and microalgae recovery system, retort are provided with biogas import, methane outlet, reaction solution
Import and reaction solution outlet；Microalgae culture system is provided with culture medium import, inlet and liquid outlet；Microalgae recovery system is set
There are harvesting liquid import and the outlet of harvesting liquid；It is characterized in that：Reaction solution outlet is connected with inlet, liquid outlet and harvesting liquid import
Connection, the outlet of harvesting liquid are connected with reaction solution import；Retort internal memory contains sodium carbonate salt solution；Pending biogas passes through biogas
Import, which is passed through in retort, carries out chemical decarburization purification processes, and the biogas after processing is collected by methane outlet discharge；Instead
Answer the sodium carbonate salt solution in tank to be reacted with biogas, generate sodium acid carbonate salting liquid, sodium acid carbonate salting liquid passes through reaction
Liquid is exported and inlet is drained in microalgae culture system, to be used as the carbon source required for microdisk electrode process；By micro algae growth
Required nutrient is added in microalgae culture system by culture medium import；In microalgae culture system, microalgae is by carbonic acid
Carbon fixation in hydrogen sodium salt solution is itself organic matter, and generates sodium carbonate salt solution；It is to be harvested after the completion of microdisk electrode
Solution is drained in microalgae recovery system by liquid outlet and harvesting liquid import, using microalgae recovery system to microalgae culture system
In microalgae harvested；Again by the liquid solution in microalgae recovery system by harvesting liquid outlet and reaction solution import after harvesting
Again it is back in retort and is used for Methane decarbonization purification.
The present invention technical principle be：
Firstth, basic based on chemical reaction, the carbon dioxide in pending biogas occurs chemical anti-with sodium carbonate salt solution
Sodium acid carbonate salting liquid should be generated；Chemical equation is：
Secondth, microalgae by sodium acid carbonate salting liquid via cell membrane transport to cell interior, the carbonic acid on carboxylic acid body
Sodium acid carbonate salting liquid is converted into carbon dioxide by acid anhydride enzyme, and chemical equation is：
Carbon dioxide is further by the effect of diphosphoribulose carboxylase during microalgae carries out Calvin cycle
Change into glucose；Chemical equation is：
6CO2+6H2O→C6H12O6+6O2
3rd, after constantly being consumed as carbon source by microalgae with sodium acid carbonate salting liquid, the pH in solution can increased.
Therefore, the sodium acid carbonate salting liquid not being converted in solution can react with hydroxyl generates sodium carbonate salt solution, sodium carbonate
The formation of salting liquid realizes the automatic recovery of decarburization purification solution, and chemical equation is：
A kind of indirect type Methane decarbonization method of purification and system based on microalgae photosynthetic carbon fixation principle of the present invention
Beneficial effect is：The discharge of carbon dioxide can not only be greatly reduced while Methane decarbonization purification is realized in the present invention, and
It can be acted on by microalgae photosynthetic carbon fixation and obtain microalgae biomass, evade the higher investment of conventional physical chemical method and operating cost
And complicated operating procedure；Solve using microalgae carry out direct-type Methane decarbonization purification process in decarburization purification efficiency compared with
Low, pending biogas for micro algae growth adverse effect and oxygen content it is too high for biogas transport and use during
Potential danger the problems such as；Cost of the present invention is low, simple in construction, simple to operate, safety；It can be widely used in the energy, environmental protection etc.
Field.
Brief description of the drawings
Fig. 1 is that the flow of the indirect type Methane decarbonization method of purification of the present invention based on microalgae photosynthetic carbon fixation principle is shown
It is intended to.
Embodiment
Referring to Fig. 1, a kind of indirect type Methane decarbonization method of purification based on microalgae photosynthetic carbon fixation principle, mainly including following
Step：
Step 1, pending biogas is passed into the retort 1 equipped with sodium carbonate salt solution, it is big in pending biogas
Chemical reaction generation sodium acid carbonate salting liquid can occur with the sodium carbonate salt solution in retort 1 for partial CO 2, separately there is one
In carbon dioxide that fraction does not react or the solution being dissolved in inside retort 1 or remain in the purification of decarburization
In biogas；The reacted discharge of tank 1 of biogas after chemical decarburization purification is collected.
Step 2, the solution after being reacted with biogas in retort 1 are mainly molten by the sodium bicarbonate salt generated
Liquid, unreacted sodium carbonate salt solution and unreacted carbon dioxide solubility liquid composition；It will occur in retort with biogas anti-
Solution after answering is drained in microalgae culture system 2, and as the carbon source of required addition during microdisk electrode；Microdisk electrode
System 2 can use other effective microalgae culture systems such as raceway pond or bioreactor.And into microalgae culture system 2
Other nutrients supplemented needed for microalgae are culture medium：Such as nitrogenous fertilizer, phosphate fertilizer and trace element.
Step 3, in microalgae culture system, sodium acid carbonate that microalgae flows out retort 1 during Calvin cycle
Salting liquid and carbon dioxide solubility liquid are converted into the organic matter of own growth process needs；And generate sodium carbonate salt solution；When
After the completion of microdisk electrode, the microalgae in microalgae culture system 2 is harvested using microalgae recovery system 3；Again will be micro- after harvesting
Liquid solution in algae recovery system 3, which is back in retort 1, is used for Methane decarbonization purification.Liquid phase in microalgae recovery system 3
The main component of solution is sodium carbonate salt solution, also containing a small amount of sodium acid carbonate salting liquid.Microalgae recovery system 3 can use
Sedimentation device, centrifugal device or other effective microalgae recovery systems.
Step 4, in continuous operating period, the dense of carbon dioxide in pending biogas and decarburization purifying biogas is monitored in real time
Degree height, Reasonable adjustment anaerobism organic loading, pending biogas flow into the flow of retort 1, the solution of retort 1 flows into microalgae
The flow of liquid solution back flow reaction tank 1 after the flow and microalgae recovery of culture systems 2.
One kind realizes Methane decarbonization purification system, including retort 1, microalgae culture system based on microalgae photosynthetic carbon fixation principle
2 and microalgae recovery system 3, retort 1 is provided with biogas import, methane outlet, reaction solution import and reaction solution outlet；Microalgae is trained
Support system 2 and be provided with culture medium import, inlet and liquid outlet；Microalgae recovery system 3 is provided with harvesting liquid import and harvesting liquid
Outlet；Reaction solution outlet is connected with inlet, and liquid outlet is connected with harvesting liquid import, and the outlet of harvesting liquid connects with reaction solution import
Connect；The internal memory of retort 1 contains sodium carbonate salt solution；Pending biogas is passed through in retort 1 by biogas import and carries out chemical take off
Carbon purification processes, the biogas after processing are collected by methane outlet discharge；Sodium carbonate salt solution and biogas in retort 1
React, generate sodium acid carbonate salting liquid, sodium acid carbonate salting liquid is drained to microalgae by reaction solution outlet and inlet and trained
Support in system 2, to be used as the carbon source required for microdisk electrode process；Nutrient required for micro algae growth is passed through into culture medium
Import is added in microalgae culture system 2；In microalgae culture system 2, the carbon fixation in sodium acid carbonate salting liquid is certainly by microalgae
Body organic matter, and generate sodium carbonate salt solution；After the completion of microdisk electrode, solution to be harvested is entered by liquid outlet and harvesting liquid
Mouth is drained in microalgae recovery system 3, and the microalgae in microalgae culture system 2 is harvested using microalgae recovery system 3；Harvesting
The liquid solution in microalgae recovery system 3 is back in retort 1 again by harvesting liquid outlet and reaction solution import again afterwards
Purified for Methane decarbonization.
In a particular embodiment, microalgae culture system 2 can be raceway pond, bioreactor or other effective microalgaes
Culture systems.Microalgae recovery system 3 can be replaced for sedimentation device, centrifugal device or using other effective recovery systems,
But the recovery system can not influence the main physical and chemical of the liquid solution after harvesting.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (2)
1. one kind realizes Methane decarbonization method of purification based on microalgae photosynthetic carbon fixation principle, it is characterised in that complete in accordance with the following steps
Into：
Step 1, pending biogas is passed into the retort equipped with sodium carbonate salt solution (1), reaction generation sodium bicarbonate salt
Solution, the reacted tank discharge of biogas after chemical decarburization purification are collected；
Step 2, the solution after being reacted in retort with biogas is drained in microalgae culture system (2), as micro-
Carbon source required for algae incubation；And the nutrient required for micro algae growth is supplemented into microalgae culture system；
Step 3, in microalgae culture system, the carbon fixation in sodium acid carbonate salting liquid is itself organic matter by microalgae, and is generated
Sodium carbonate salt solution；After the completion of microdisk electrode, the microalgae in microalgae culture system is adopted using microalgae recovery system (3)
Receive；The liquid solution in microalgae recovery system is back in retort again again after harvesting and is used for Methane decarbonization purification.
2. one kind realizes Methane decarbonization purification system, including retort (1), microalgae culture system based on microalgae photosynthetic carbon fixation principle
(2) and microalgae recovery system (3), retort (1) are provided with biogas import, methane outlet, reaction solution import and reaction solution outlet；
Microalgae culture system (2) is provided with culture medium import, inlet and liquid outlet；Microalgae recovery system (3) is provided with harvesting liquid and entered
Mouth and the outlet of harvesting liquid；It is characterized in that：Reaction solution outlet is connected with inlet, and liquid outlet is connected with harvesting liquid import, is harvested
Liquid outlet is connected with reaction solution import；Retort (1) internal memory contains sodium carbonate salt solution；Pending biogas is led to by biogas import
Enter and chemical decarburization purification processes are carried out in retort (1), the biogas after processing is collected by methane outlet discharge；Retort
(1) the sodium carbonate salt solution in reacts with biogas, generates sodium acid carbonate salting liquid, and sodium acid carbonate salting liquid passes through reaction solution
Outlet and inlet are drained in microalgae culture system (2), to be used as the carbon source required for microdisk electrode process；By micro algae growth
Required nutrient is added in microalgae culture system (2) by culture medium import；In microalgae culture system (2), microalgae
It is itself organic matter by the carbon fixation in sodium acid carbonate salting liquid, and generates sodium carbonate salt solution；After the completion of microdisk electrode, treat
The solution of harvesting is drained in microalgae recovery system (3) by liquid outlet and harvesting liquid import, right using microalgae recovery system (3)
Microalgae in microalgae culture system (2) is harvested；The liquid solution in microalgae recovery system (3) is passed through into harvesting again after harvesting
Liquid exports and reaction solution import is back in retort (1) and is used for Methane decarbonization purification again.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452932A (en) * | 2019-09-03 | 2019-11-15 | 重庆大学 | Driven by Solar Energy biochemistry thermochemical study produces microalgae fuel process and system |
| CN111607443A (en) * | 2020-05-22 | 2020-09-01 | 广东石油化工学院 | Solidifying and adsorbing CO by using microalgae2Biogas purification method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090217587A1 (en) * | 2008-02-29 | 2009-09-03 | Greatpoint Energy, Inc. | Biomass Compositions for Catalytic Gasification |
| CN101870894A (en) * | 2009-04-21 | 2010-10-27 | 张扬 | Method and biological plant for removing carbon dioxide, hydrogen sulfide and ammonia from methane by using microecology principle |
| CN102899382A (en) * | 2012-10-23 | 2013-01-30 | 中国科学院地球化学研究所 | Method for quantifying indirect carbon sequestration ability of microalgae |
| WO2013034947A1 (en) * | 2011-09-08 | 2013-03-14 | Cellennium (Thailand) Company Limited | Upgrading of biogas to marketable purified methane exploiting microalgae farming |
-
2017
- 2017-10-10 CN CN201710933440.6A patent/CN107513442A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090217587A1 (en) * | 2008-02-29 | 2009-09-03 | Greatpoint Energy, Inc. | Biomass Compositions for Catalytic Gasification |
| CN101870894A (en) * | 2009-04-21 | 2010-10-27 | 张扬 | Method and biological plant for removing carbon dioxide, hydrogen sulfide and ammonia from methane by using microecology principle |
| WO2013034947A1 (en) * | 2011-09-08 | 2013-03-14 | Cellennium (Thailand) Company Limited | Upgrading of biogas to marketable purified methane exploiting microalgae farming |
| CN102899382A (en) * | 2012-10-23 | 2013-01-30 | 中国科学院地球化学研究所 | Method for quantifying indirect carbon sequestration ability of microalgae |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452932A (en) * | 2019-09-03 | 2019-11-15 | 重庆大学 | Driven by Solar Energy biochemistry thermochemical study produces microalgae fuel process and system |
| CN111607443A (en) * | 2020-05-22 | 2020-09-01 | 广东石油化工学院 | Solidifying and adsorbing CO by using microalgae2Biogas purification method |
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