CN110104644A - A method of high absorption property active carbon, which is prepared, using black-koji mould bacterium mud activates - Google Patents
A method of high absorption property active carbon, which is prepared, using black-koji mould bacterium mud activates Download PDFInfo
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- CN110104644A CN110104644A CN201910283366.7A CN201910283366A CN110104644A CN 110104644 A CN110104644 A CN 110104644A CN 201910283366 A CN201910283366 A CN 201910283366A CN 110104644 A CN110104644 A CN 110104644A
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- activation
- bacterium mud
- black
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- koji mould
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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
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
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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
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
- C01B32/348—Metallic compounds
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
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- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of methods for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud comprising following steps: (1) drying and other treatment: black-koji mould bacterium mud is carried out desiccation；The moisture content of bacterium mud is 13 ~ 21% after desiccation, so as to subsequent charing process；(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates charcoal；(3) be activated: after charcoal generates, the soak at room temperature certain time in KOH solution after drying, is activated into activation furnace, the charcoal in retort is carried out activation, final products active carbon is made；(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, is cooled down by spiral water-cooling equipment to activated carbon product, carries out the collection of product.The present invention has many advantages, such as that pollution is small, operation is continuous, product resourcebility utilizes, and can reach good economic benefit, social benefit and environmental benefit.
Description
Technical field
It is specially a kind of to prepare high absorption using black-koji mould bacterium mud the present invention relates to the modification of charcoal and activation field
The method of performance activity charcoal activation.
Background technique
Active carbon is a kind of porous solid carbonaceous of black, carbonized by coal by crushing, molding or with uniform coal grain,
Activation production.Main component is carbon, wherein can contain the elements such as a small amount of oxygen, hydrogen, sulphur, nitrogen, chlorine.Traditional active carbon prepares former
Material is coal and coconut husk, and wherein the specific surface area of active carbon from coal is between 600~1200m2/, the specific surface area of coconut shell based activated carbon
Between 1000~1600m2/g, since it is with very strong absorption property, it can be used as industrial adsorbents and be widely used.So
And such method the drawbacks of preparing active carbon, is that pernicious gas (such as dioxin) pollution ring can be generated during preparation
Border, and the economic cost of activation stage technique is higher, relevant enterprise is difficult to bear this part expense.
In addition, existing market is substantially compost for the method for disposal of discarded black-koji mould bacterium mud and raises as animal
Expect two methods.Compost can cause damages to ambient enviroment, cannot utilize the residue of the substance well again as animal feed
Value.
Summary of the invention
In order to overcome the above problem, the present invention provides that a kind of using black-koji mould bacterium mud to prepare high absorption property active carbon living
The method of change.
The activation of high absorption property active carbon is prepared using black-koji mould bacterium mud the technical solution of the present invention is to provide a kind of
Method, which is characterized in that described method includes following steps:
(1) black-koji mould bacterium mud drying and other treatment: is subjected to desiccation；The moisture content of bacterium mud is 13 ~ 21% after desiccation, so as to subsequent charcoal
Change processing；
(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates life
Object charcoal；
(3) be activated: charcoal generate after, the soak at room temperature certain time in KOH solution, after drying, into activation furnace into
Charcoal in retort is carried out activation and final products active carbon is made by row activation；
(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, cools down to activated carbon product, carries out
The collection of product.
Further, in the step (1), desiccation temperature is controlled at 90 ~ 110 DEG C, stops 21 ~ 26h.
Further, in the step (3), 1.8 ~ 2.5h of soak at room temperature in KOH solution.
Further, in the step (3), 700 ~ 850 DEG C of furnace temperature are activated, the residence time is 45 ~ 75min.
Further, in the step (3), active carbon is reacted by KOH with the carbon in raw material, etches away part therein
Carbon washes away the salt of generation and extra KOH by washing, aperture occurs in the position being etched；In activation process, pass through life
Make hole at potassium carbonate consumption carbon；When activation temperature is more than metallic potassium boiling point, potassium steam can diffuse into different carbon-coatings,
Form new porous structure.
Further, in the step (4), 44 ~ 54 DEG C are cooled to.
Further, activated carbon product is cooled down by spiral water-cooling equipment.
The beneficial effects of the present invention are: a kind of utilization black-koji mould bacterium mud of the invention prepares high absorption property active carbon and lives
The method of change carries out synthesis improvement on traditional Process ba- sis for preparing active carbon, utilizes fermentation residue black-koji mould bacterium mud system
Standby active carbon；By discarded black-koji mould bacterium mud after pretreatment, preliminary charing, activation, active carbon is formed；The technique system
Standby active carbon out shows as loose porous state, and can have relevant chemical group on the surface of active carbon, has excellent
Good absorption property can be used as adsorbent material for water treatment field.Active carbon is prepared using black-koji mould bacterium mud, it not only can be with
It is effectively utilized black-koji mould bacterium mud, while can also make the active carbon prepared that there is certain economic value, it is real
It has tested for solid waste reducing, innoxious, recycling processing target.
The present invention utilizes the characteristic of discarded black-koji mould bacterium mud organic matter with higher, by desiccation, charing, activation
The charcoal with good adsorbent performance is prepared afterwards.The active carbon that the technology generates is equal to the removal of Water phosphor contaminant
It is suitable with commercial active carbon effect on the market, and the removal rate of phosphorus is slightly above commercial active carbon.So that discarded in effective use
While black-koji mould bacterium mud, the active carbon of preparation can also be allowed to generate certain economic use value.
The bio oil and pyrolysis gas that present invention process generates during pyrolysis are less, reduce what this was polluted in the process
It generates.Therefore, the present invention has many advantages, such as that pollution is small, operation is continuous, product resourcebility utilizes, and can reach good economic effect
Benefit, social benefit and environmental benefit.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
A kind of method preparing the activation of high absorption property active carbon using black-koji mould bacterium mud of the invention comprising as follows
Step:
(1) black-koji mould bacterium mud drying and other treatment: is subjected to desiccation；The moisture content of bacterium mud is 13 ~ 21% after desiccation, so as to subsequent charcoal
Change processing；
(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates life
Object charcoal；
(3) be activated: charcoal generate after, the soak at room temperature certain time in KOH solution, after drying, into activation furnace into
Charcoal in retort is carried out activation and final products active carbon is made by row activation；
(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, cools down to activated carbon product, carries out
The collection of product.
In some embodiments of the invention, in the step (1), desiccation temperature is controlled at 90 ~ 110 DEG C, and stop 21 ~
26h。
In some embodiments of the invention, in the step (3), 1.8 ~ 2.5h of soak at room temperature in KOH solution.
In some embodiments of the invention, in the step (3), activation furnace temperature choose respectively 700 DEG C, 750 DEG C,
800 DEG C, 850 DEG C, 4 control parameters, residence time are 45 ~ 75min.
In some embodiments of the invention, in the step (3), active carbon is reacted by KOH with the carbon in raw material, is carved
Eating away part carbon therein washes away the salt of generation and extra KOH by washing, aperture occurs in the position being etched.Instead
Answer equation:
-CH2+4KOH→K2CO3+K2O+3H2
-CH+8KOH→K2CO3+2K2O+5H
K2O+C→2K+CO
K2CO3+2C→2K+3CO
In activation process, on the one hand make hole by generating potassium carbonate consumption carbon；On the other hand, when activation temperature is more than gold
When belonging to potassium boiling point (762 DEG C), potassium steam can diffuse into different carbon-coatings, form new porous structure.Gaseous metal potassium is in crystallite
Synusia see and walk, strut fragrant synusia and bring it about distortion or deformation, create new micropore.
In some embodiments of the invention, in the step (4), 44 ~ 54 DEG C are cooled to.
In some embodiments of the invention, activated carbon product is cooled down by spiral water-cooling equipment.
The method of the invention based on pyrolyzing sludge curing heavy metal is illustrated below with reference to specifically embodiment, it can
With understanding, the present invention is not limited to following embodiments:
Embodiment 1:
A method of high absorption property active carbon is prepared using black-koji mould bacterium mud and is activated comprising following steps:
(1) drying and other treatment: black-koji mould bacterium mud is subjected to desiccation, desiccation temperature is controlled at 100 DEG C, stopped for 24 hours；Bacterium mud after desiccation
Moisture content 18%, so as to subsequent charing process；
(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates life
Object charcoal；
(3) be activated: charcoal generate after, 1.8 ~ 2.5h of soak at room temperature in KOH solution, after drying, into activation furnace into
Row activation, activates 800 DEG C of furnace temperature, residence time 60min, the charcoal in retort is carried out activation, final products are made
Active carbon；
(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, by spiral water-cooling equipment to active carbon
Product is cooled down, and is cooled to 50 DEG C, carries out the collection of product.
Embodiment 2:
A method of high absorption property active carbon is prepared using black-koji mould bacterium mud and is activated comprising following steps:
(1) drying and other treatment: carrying out desiccation for black-koji mould bacterium mud, and desiccation temperature is controlled at 90 DEG C, stops 21h；Bacterium mud after desiccation
Moisture content 20%, so as to subsequent charing process；
(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates life
Object charcoal；
(3) be activated: after charcoal generates, the soak at room temperature 1.8h in KOH solution after drying, lives into activation furnace
Change, activate 700 DEG C of furnace temperature, residence time 50min, the charcoal in retort is subjected to activation, final products activity is made
Charcoal；
(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, by spiral water-cooling equipment to active carbon
Product is cooled down, and is cooled to 45 DEG C, carries out the collection of product.
Embodiment 3:
A method of high absorption property active carbon is prepared using black-koji mould bacterium mud and is activated comprising following steps:
(1) drying and other treatment: carrying out desiccation for black-koji mould bacterium mud, and desiccation temperature is controlled at 110 DEG C, stops 26h；Bacterium mud after desiccation
Moisture content 13%, so as to subsequent charing process；
(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates life
Object charcoal；
(3) be activated: after charcoal generates, the soak at room temperature 2.5h in KOH solution after drying, lives into activation furnace
Change, activate 850 DEG C of furnace temperature, residence time 70min, the charcoal in retort is subjected to activation, final products activity is made
Charcoal；
(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, by spiral water-cooling equipment to active carbon
Product is cooled down, and is cooled to 54 DEG C, carries out the collection of product.
Above embodiments are only the one such embodiment of the present invention, and the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud, which is characterized in that the method
Include the following steps:
(1) black-koji mould bacterium mud drying and other treatment: is subjected to desiccation；The moisture content of bacterium mud is 13 ~ 21% after desiccation, so as to subsequent charcoal
Change processing；
(2) charing process: dry bacterium mud carries out charing process after desiccation, by cracking, dehydrogenation, reduction reaction, generates life
Object charcoal；
(3) be activated: charcoal generate after, the soak at room temperature certain time in KOH solution, after drying, into activation furnace into
Charcoal in retort is carried out activation and final products active carbon is made by row activation；
(4) cooling treatment: after activated carbon product output, temperature is close with original furnace temperature, cools down to activated carbon product, carries out
The collection of product.
2. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud according to claim 1,
It is characterized by: desiccation temperature is controlled at 90 ~ 110 DEG C in the step (1), 21 ~ 26h is stopped.
3. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud according to claim 1,
It is characterized by: in the step (3), 1.8 ~ 2.5h of soak at room temperature in KOH solution.
4. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud according to claim 1,
It is characterized by: activating 700 ~ 850 DEG C of furnace temperature, the residence time is 45 ~ 75min in the step (3).
5. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud according to claim 1,
It is characterized by: active carbon is reacted by KOH with the carbon in raw material in the step (3), part carbon therein is etched away, is passed through
It crosses washing to wash away the salt of generation and extra KOH, aperture occurs in the position being etched；In activation process, by generating carbon
Sour potassium consumption carbon makes hole；When activation temperature is more than metallic potassium boiling point, potassium steam can diffuse into different carbon-coatings, be formed
New porous structure.
6. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud according to claim 1,
It is characterized by: being cooled to 44 ~ 54 DEG C in the step (4).
7. a kind of method for preparing the activation of high absorption property active carbon using black-koji mould bacterium mud according to claim 1,
It is characterized by: being cooled down by spiral water-cooling equipment to activated carbon product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115093012A (en) * | 2022-06-27 | 2022-09-23 | 陕西科技大学 | TiO 2 2 -black kojiMould carbonized carbon compound and preparation method and application thereof |
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| JPH09263404A (en) * | 1996-03-28 | 1997-10-07 | Snow Brand Milk Prod Co Ltd | Production of activated carbon |
| CN101186293A (en) * | 2006-11-17 | 2008-05-28 | 同方炭素科技有限公司 | Method for preparing granular activated carbon |
| CN101214951A (en) * | 2008-01-14 | 2008-07-09 | 吉林大学 | High specific surface area and narrow pore distribution porous carbon material |
| CN102344137A (en) * | 2010-08-02 | 2012-02-08 | 南通市外贸医药保健品有限公司 | Preparation method of active carbon |
| CN105502390A (en) * | 2015-12-27 | 2016-04-20 | 历清伟 | Method for preparing activated carbon from rice husks and sludge in sewage plant |
| CN106672963A (en) * | 2015-11-09 | 2017-05-17 | 中国石油化工股份有限公司 | Active carbon and preparation method thereof |
| CN108423678A (en) * | 2018-04-17 | 2018-08-21 | 华南农业大学 | A kind of multistage porous carbon materials of superhigh specific surface area and the preparation method and application thereof |
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2019
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263404A (en) * | 1996-03-28 | 1997-10-07 | Snow Brand Milk Prod Co Ltd | Production of activated carbon |
| CN101186293A (en) * | 2006-11-17 | 2008-05-28 | 同方炭素科技有限公司 | Method for preparing granular activated carbon |
| CN101214951A (en) * | 2008-01-14 | 2008-07-09 | 吉林大学 | High specific surface area and narrow pore distribution porous carbon material |
| CN102344137A (en) * | 2010-08-02 | 2012-02-08 | 南通市外贸医药保健品有限公司 | Preparation method of active carbon |
| CN106672963A (en) * | 2015-11-09 | 2017-05-17 | 中国石油化工股份有限公司 | Active carbon and preparation method thereof |
| CN105502390A (en) * | 2015-12-27 | 2016-04-20 | 历清伟 | Method for preparing activated carbon from rice husks and sludge in sewage plant |
| CN108423678A (en) * | 2018-04-17 | 2018-08-21 | 华南农业大学 | A kind of multistage porous carbon materials of superhigh specific surface area and the preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115093012A (en) * | 2022-06-27 | 2022-09-23 | 陕西科技大学 | TiO 2 2 -black kojiMould carbonized carbon compound and preparation method and application thereof |
| CN115093012B (en) * | 2022-06-27 | 2023-11-17 | 陕西科技大学 | TiO (titanium dioxide) 2 Aspergillus niger carbonized carbon compound and preparation method and application thereof |
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