CN109052320A - A kind of method that microalgae alkali extraction heat oil prepares hydrogen - Google Patents
A kind of method that microalgae alkali extraction heat oil prepares hydrogen Download PDFInfo
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- CN109052320A CN109052320A CN201810975896.3A CN201810975896A CN109052320A CN 109052320 A CN109052320 A CN 109052320A CN 201810975896 A CN201810975896 A CN 201810975896A CN 109052320 A CN109052320 A CN 109052320A
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- Prior art keywords
- microalgae
- alkali
- extraction
- hydrogen
- powder
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/323—Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
- C11B1/104—Production of fats or fatty oils from raw materials by extracting using super critical gases or vapours
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
Abstract
The present invention proposes a kind of method that microalgae alkali extraction heat oil prepares hydrogen, successively include the steps that screening microalgae powder, broken wall treatment, the dehydration and drying microalgae powder carried out to the microalgae powder by the hot method of alkali, by the way that microalgae grease is obtained by extraction and uses microalgae grease hydrogen making, the present invention carries out the pretreatment of broken wall using the hot method of alkali to the microalgae powder, the extraction yield of microalgae grease is substantially increased, to improve the yield of hydrogen；Microalgae grease is obtained by extraction using ultrasonic extraction by the present invention, and the high-efficient and time is short, solves in traditional step, the too long problem of extraction time.
Description
Technical field
The present invention relates to the sides that biomass hydrogen preparation technical field more particularly to a kind of microalgae alkali extraction heat oil prepare hydrogen
Method.
Background technique
As global energy requirements amount constantly rises, the problems such as natural environment constantly deteriorates and fossil energy is increasingly exhausted
It is urgently to be resolved, it is contemplated that in following sustainable development, the demand of hydrogen will be will increase dramatically.
For microalgae because of its higher photosynthetic efficiency, biological yield is high, higher photosynthetic efficiency and is not take up cultivated area
The advantages that have been considered as preparing the potential candidate of clean energy resource raw material.The main method of microalgae hydrogen manufacturing has traditional gasification steam
Reformation hydrogen production, supercritical water gasification hydrogen production.The nineties U.S. proposes microalgae cracked oil and reformation hydrogen production to solve transport issues.
Cracked oil needs higher temperature and faster residence time, oil yield to reach as high as 60%~70%.Due to most of microalgae
Cell has complete cell wall structure, and grease is wrapped in microalgae cell with liposomal form, and intracellular grease is difficult to ooze out
Cell wall, this extracts microalgae and subsequent microalgae grease steam reformation hydrogen production has very big obstruction, therefore selects cell broken
Wall method and extractive technique are the key points that current microalgae grease extracts.
Summary of the invention
It is an object of the invention to propose prepared by the microalgae alkali extraction heat oil that a kind of preparation time is short and hydrogen output is high
The method of hydrogen.
In order to achieve the above objectives, the present invention proposes a kind of method that microalgae alkali extraction heat oil prepares hydrogen, including following step
It is rapid:
Step 1: screening microalgae powder；
Step 2: broken wall treatment is carried out to the microalgae powder by the hot method of alkali；
Step 3: dehydrating the microalgae powder；
Step 4: by the way that microalgae grease is obtained by extraction；
Step 5；Use microalgae grease hydrogen making.
Preferably, microalgae powder is schizochytrium.
Preferably, the microalgae powder of 20 mesh sieve was screened.
Preferably, the hot method of the alkali includes that potassium hydroxide is added in deionized water, forms alkaline solution, will be described micro-
Algae powder is dissolved in the alkaline solution.
Preferably, by the hot method of the alkali to the microalgae powder constant temperature oil bath broken wall treatment under 55-65 DEG C of environment
120-150min。
Preferably, the extract liquor used that extracts is dehydrated alcohol.
Preferably, microalgae crude extract is obtained by extraction using ultrasonic extraction, the microalgae crude extract is done
It is dry to obtain microalgae grease.
Preferably, the ultrasonic extraction includes that the microalgae powder after broken wall is placed in centrifuge tube, and extraction is added
Agent is placed on 8000-9000r/ in ultrasonic extraction 15-25 minutes under conditions of 40 degrees Celsius of ultrasonic power 90-120W temperature
4-6min is centrifuged in the centrifuge of min.
Preferably, microalgae grease is added in deionized water and is stirred, obtained mixed solution, the mixed solution is added
Enter in syringe, set the flow velocity of the syringe, open nitrogen valve, palladium catalyst is added, in the environment of 600-800 DEG C
It produces to obtain hydrogen.
Compared with prior art, of the invention to be advantageous in that: the present invention using the hot method of alkali to the microalgae powder into
The pretreatment of row broken wall, substantially increases the extraction yield of microalgae grease, to improve the yield of hydrogen；The present invention is using ultrasound
Microalgae grease is obtained by extraction in wave extraction, and the high-efficient and time is short, solves in traditional step, extraction time is too long to ask
Topic.
Detailed description of the invention
Fig. 1 prepares the process flow chart of the method for hydrogen for microalgae alkali extraction heat oil a kind of in one embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be made below into
Illustrate to one step.
As shown in Figure 1, the present invention proposes a kind of method that microalgae alkali extraction heat oil prepares hydrogen, comprising the following steps:
Step 1: screening microalgae powder；
Step 2: broken wall treatment is carried out to the microalgae powder by the hot method of alkali；
Step 3: dehydrating the microalgae powder；
Step 4: by the way that microalgae grease is obtained by extraction；
Step 5；Use microalgae grease hydrogen making.
In the present embodiment, microalgae powder is schizochytrium or other algae powder.
In the present embodiment, in step 1, the microalgae powder of 20 mesh sieve was screened.
In the present embodiment, in step 2, the hot method of the alkali includes that potassium hydroxide is added in deionized water, is formed
Alkaline solution, the alkaline solution pH8-10, the microalgae powder is dissolved in the alkaline solution.
In the present embodiment, in step 2, by the hot method of the alkali to the microalgae powder in the environment of 55-65 DEG C
Constant temperature oil bath broken wall treatment 120-150min, preferably 65 degrees Celsius and 150min.
In the present embodiment, in step 4, the extract liquor used that extracts is dehydrated alcohol.
In the present embodiment, in step 4, microalgae crude extract is obtained by extraction using ultrasonic extraction, to described micro-
Algae crude extract is dried to obtain microalgae grease.
In the present embodiment, the ultrasonic extraction includes that the microalgae powder after broken wall is placed in centrifuge tube, is added
Enter extractant, under conditions of ultrasonic power 90-120W, preferred 90W, 40 degree of temperature, is placed within ultrasonic extraction 15-25 minutes
4-6min is centrifuged in the centrifuge of 8000-9000r/min；It is preferred that ultrasonic extraction is placed in the centrifuge of 9000r/min after twenty minutes
Middle centrifugation 5min.
In the present embodiment, in steps of 5, microalgae grease is added in deionized water and is stirred, obtain mixed solution,
The mixed solution is added in syringe, the flow velocity of the syringe is set, opens nitrogen valve, palladium catalyst is added,
It produces to obtain hydrogen, preferably 700 degrees Celsius in the environment of 600-800 DEG C.
It is shown by experimental result, makes the extraction yield of microalgae grease reach 74.51% using the hot method of alkali, using this hair
It is 72.84% that bright method, which produces potential hydrogen yield, and hydrogen volume content reaches 55.64%.
In conclusion the present invention carries out the pretreatment of broken wall using hot method to the microalgae powder, microalgae is substantially increased
The extraction yield of grease, to improve the yield of hydrogen；Microalgae grease is obtained by extraction using ultrasonic extraction by the present invention, effect
Rate is high and the time is short, solves in traditional step, the too long problem of extraction time.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and
Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still
Within belonging to the scope of protection of the present invention.
Claims (9)
1. a kind of method that microalgae alkali extraction heat oil prepares hydrogen, which comprises the following steps:
Step 1: screening microalgae powder；
Step 2: broken wall treatment is carried out to the microalgae powder by the hot method of alkali；
Step 3: dehydrating the microalgae powder；
Step 4: by the way that microalgae grease is obtained by extraction；
Step 5；Use microalgae grease hydrogen making.
2. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that microalgae powder is fragmentation
Pot algae.
3. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that in step 1, sieve
Selected the microalgae powder of 20 mesh sieve.
4. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that in step 2, institute
Stating the hot method of alkali includes that potassium hydroxide is added in deionized water, forms alkaline solution, the microalgae powder is dissolved in the alkali
In property solution.
5. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that in step 2, lead to
Cross the hot method of the alkali to the microalgae powder constant temperature oil bath broken wall treatment 120-150min under 55-65 DEG C of environment.
6. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that in step 4, institute
The extract liquor for extracting and using is stated as dehydrated alcohol.
7. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that in step 4, adopt
Microalgae crude extract is obtained by extraction with ultrasonic extraction, the microalgae crude extract is dried to obtain microalgae grease.
8. the method that microalgae alkali extraction heat oil according to claim 7 prepares hydrogen, which is characterized in that the ultrasonic wave extraction
It follows the example of including the microalgae powder after broken wall to be placed in centrifuge tube, extractant is added, is taken the photograph in ultrasonic power 90-120W temperature 40
Under conditions of family name's degree, it is placed in the centrifuge of 8000-9000r/min within ultrasonic extraction 15-25 minutes and is centrifuged 4-6min.
9. the method that microalgae alkali extraction heat oil according to claim 1 prepares hydrogen, which is characterized in that in steps of 5, will
Microalgae grease is added in deionized water and is stirred, and obtains mixed solution, and the mixed solution is added in syringe, sets institute
The flow velocity of syringe is stated, nitrogen valve is opened, palladium catalyst is added, produces to obtain hydrogen in the environment of 600-800 DEG C.
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| CN201810975896.3A CN109052320A (en) | 2018-08-24 | 2018-08-24 | A kind of method that microalgae alkali extraction heat oil prepares hydrogen |
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| CN201810975896.3A CN109052320A (en) | 2018-08-24 | 2018-08-24 | A kind of method that microalgae alkali extraction heat oil prepares hydrogen |
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| CN109052320A true CN109052320A (en) | 2018-12-21 |
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| CN201810975896.3A Pending CN109052320A (en) | 2018-08-24 | 2018-08-24 | A kind of method that microalgae alkali extraction heat oil prepares hydrogen |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049909A (en) * | 2007-05-10 | 2007-10-10 | 天津大学 | Reforming method for making hydrogen by glycerol steam as by-product for producing biological diesel oil |
| CN102260518A (en) * | 2011-06-16 | 2011-11-30 | 海南朗洁新能源科技有限公司 | Method for directly producing biodiesel by using microalgae oil |
| CN103224835A (en) * | 2013-04-17 | 2013-07-31 | 北京航空航天大学 | Method for extraction of unsaturated fatty acid from oil-containing microalgae and preparation of aviation fuels |
| CN103614155A (en) * | 2013-09-11 | 2014-03-05 | 浙江工业大学 | Preparation method for hydrocarbon fuels from algae oil |
| KR20160007172A (en) * | 2014-07-11 | 2016-01-20 | 한국과학기술원 | Divice for microalgae concentrating and hydrogen generating |
| CN107311226A (en) * | 2017-06-26 | 2017-11-03 | 安徽工业大学 | Spherical tio2 catalyst and for the purposes by raw material of blue-green algae by supercritical water gasification hydrogen making |
-
2018
- 2018-08-24 CN CN201810975896.3A patent/CN109052320A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049909A (en) * | 2007-05-10 | 2007-10-10 | 天津大学 | Reforming method for making hydrogen by glycerol steam as by-product for producing biological diesel oil |
| CN102260518A (en) * | 2011-06-16 | 2011-11-30 | 海南朗洁新能源科技有限公司 | Method for directly producing biodiesel by using microalgae oil |
| CN103224835A (en) * | 2013-04-17 | 2013-07-31 | 北京航空航天大学 | Method for extraction of unsaturated fatty acid from oil-containing microalgae and preparation of aviation fuels |
| CN103614155A (en) * | 2013-09-11 | 2014-03-05 | 浙江工业大学 | Preparation method for hydrocarbon fuels from algae oil |
| KR20160007172A (en) * | 2014-07-11 | 2016-01-20 | 한국과학기술원 | Divice for microalgae concentrating and hydrogen generating |
| CN107311226A (en) * | 2017-06-26 | 2017-11-03 | 安徽工业大学 | Spherical tio2 catalyst and for the purposes by raw material of blue-green algae by supercritical water gasification hydrogen making |
Non-Patent Citations (2)
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| 林杰: "裂殖壶菌粉碱热法破壁提取其胞内油脂", 《广州化工》 * |
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Application publication date: 20181221 |
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