CN108855018A - A kind of fine chemistry industry waste-gas adsorbant and preparation method thereof - Google Patents
A kind of fine chemistry industry waste-gas adsorbant and preparation method thereof Download PDFInfo
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
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- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
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Abstract
The present invention provides a kind of fine chemistry industry waste-gas adsorbant and preparation method thereof, is related to technical field of waste gas treatment.Fine chemistry industry waste-gas adsorbant of the present invention is prepared from the following raw materials：Modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate, methylcellulose, polyvinyl alcohol, oxalic acid, butyl titanate.Fine chemistry industry waste-gas adsorbant adsorption capacity of the present invention is strong, the major pollutants such as volatile organic matter, inorganic matter, hydrogen sulfide, ammonia, thio-alcohol can efficiently be removed, and various foul smells, odor removal efficient play the effect of antibacterial purification air up to 80% or more.
Description
Technical field
The present invention relates to technical field of waste gas treatment, it is related to a kind of fine chemistry industry waste-gas adsorbant and preparation method thereof.
Background technique
Chemical emission refers to the poisonous and hazardous gas being discharged in Chemical Manufacture by chemical plant.Chemical emission often contains
There are many pollutant kind, and physics and chemical property are complicated, and toxicity is also not quite similar, serious to pollute environment and influence human health.
The chemical emission ingredient difference that different Chemical Manufacture industries generate is very big.Atmosphere pollution is China's environmental problem most outstanding at present
One of, fine chemistry industry industrial waste gas is the important sources of atmosphere pollution.Maximum difficulty again is endangered in fine chemistry industry industrial waste gas
Reason is exactly organic exhaust gas；The composition of the organic exhaust gas of different industries is different, also there is different requirements to treating method and apparatus.
Currently, the administering method to this kind of exhaust gas mainly has absorption method, combustion method, washing method, catalysis oxidation, null method etc., wherein inhaling
Attached method with its simple process, easy to operate, purification efficiency is high and is widely used, wherein null method be by chemistry or biology
Pollutant is converted water and carbon dioxide, including thermal oxide, catalysis burning, biological oxidation, corona method, plasma by reaction
Decomposition method, light decomposition method etc..General industry exhaust gas all uses and first adsorbs the strategy eliminated again.The adsorbent of use is mainly activity
Charcoal.And the selection of adsorbent plays conclusive effect to adsorption efficiency.Adsorbent mainly has particle or honeycomb activity at present
Charcoal, activated carbon fibre, molecular sieve, silica gel, high polymer absorption resin etc..Active carbon because surface area is high, adsorption capacity is big and
Price is lower and is often applied.But the most adsorption capacity of acticarbon is lower, and is not easy to regenerate, operating cost compared with
Height, and the shortcomings that active carbon is not able to maintain good adsorption capacity there are non-refractory, in a wetted condition.
Therefore, it is particularly important to develop a kind of fine chemistry industry waste-gas adsorbant that adsorption capacity is strong.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of fine chemistry industry waste-gas adsorbant and preparation method thereof.
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of fine chemistry industry waste-gas adsorbant, the fine chemistry industry waste-gas adsorbant are made of raw material from the following weight：
40-60 parts of modified activated carbon, 20-35 parts of modified glass-fiber, 10-18 parts of aloe extract, 15-25 parts of carbon nanotube, nanometer
15-25 parts of titanium dioxide, 10-15 parts of calcium aluminate, 4-8 parts of methylcellulose, 3-7 parts of polyvinyl alcohol, 2-7 parts of oxalic acid, metatitanic acid four
2-8 parts of butyl ester.
Further, the fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：Modified activated carbon 45-55
Part, 25-30 parts of modified glass-fiber, 12-16 parts of aloe extract, 17-23 parts of carbon nanotube, 17-23 parts of nano-titanium dioxide,
12-14 parts of calcium aluminate, 5-7 parts of methylcellulose, 4-6 parts of polyvinyl alcohol, 3-6 parts of oxalic acid, 4-6 parts of butyl titanate.
Further, the fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：50 parts of modified activated carbon,
28 parts of modified glass-fiber, 14 parts of aloe extract, 20 parts of carbon nanotube, 20 parts of nano-titanium dioxide, 13 parts of calcium aluminate, methyl
6 parts of cellulose, 5 parts of polyvinyl alcohol, 5 parts of oxalic acid, 5 parts of butyl titanate.
Further, the method for modifying of the modified activated carbon is：A certain amount of active carbon is taken, it will be active with deionized water
Charcoal cleans up, and is put into boiling water and boils, and continues to stir 1-1.5h, after deionized water cleaning filtering, is placed in vacuum drying
In case, dries at 70-80 DEG C to constant weight, obtain pretreated active carbon；Weigh the work after pretreatment of 3-4 parts by weight
Property charcoal, being placed in 100mL concentration is respectively to impregnate 10-15h at room temperature in the NaOH solution of 0.5-1mol/L, through deionized water
After cleaning filtering, the active carbon of impregnation is placed at 500-550 DEG C and calcines 3-3.5h, cooling, ground 400-600 mesh
Sieve, obtains modified activated carbon.
Further, the method for modifying of the modified glass-fiber is：By glass fibre yarn cutting, then in 4-4.5mg/ml
Graphene oxide suspension in extract 6-8min, then dried in 100 DEG C of vacuum, modified glass-fiber can be obtained.
Further, the partial size of the nano-titanium dioxide is 100-200nm.
A kind of preparation method of fine chemistry industry waste-gas adsorbant, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate,
Oxalic acid, butyl titanate are uniformly mixed, and obtain mixing material；
Be added methylcellulose, polyvinyl alcohol in S3, the mixing material prepared to step S2, stirring to after leather hard at
Type, after 100-120 DEG C of drying, under inert atmosphere conditions, in 500-550 DEG C of roasting 4-6h.
The present invention provides a kind of fine chemistry industry waste-gas adsorbant and preparation method thereof, and advantage is compared with prior art：
Fine chemistry industry waste-gas adsorbant adsorption capacity of the present invention is strong, can efficiently remove volatile organic matter, inorganic matter, vulcanization
The major pollutants such as hydrogen, ammonia, thio-alcohol and various foul smells, odor removal efficient play antibacterial, purification up to 80% or more
The effect of air；
Fine chemistry industry waste-gas adsorbant of the present invention uses modified activated carbon, modified glass-fiber, aloe extract, carbon nanometer
Pipe, nano-titanium dioxide, calcium aluminate, methylcellulose, polyvinyl alcohol, oxalic acid, butyl titanate are prepared, active carbon be through
It is modified to cross NaOH aqueous slkali, modification can be such that activated carbon surface basic group content increases, the surface chemical property of regulation activity charcoal
And specific surface area, and then regulation activity charcoal is to the absorption to organic exhaust gas such as toluene, modified glass fibre can and other
Stock dispersion is uniform, so that the adsorbent of preparation has special porosity, uniform pore structure, is conducive to the suction of exhaust gas
It is attached, extend the gas contact time, plays the effect of antibacterial purification air；
Fine chemistry industry waste-gas adsorbant raw material nonhazardous of the present invention acts on, is low in cost, and preparation process is simple, purification is imitated
Fruit is significant, and after adsorption treatment, solid-liquid is easily separated, easy to be recycled.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to embodiment to the present invention
Technical solution in embodiment is clearly and completely described, it is clear that described embodiment is that a part of the invention is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of labour.
Embodiment 1：
In the present embodiment, fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：40 parts of modified activated carbon changes
Property 20 parts of glass fibre, 10 parts of aloe extract, 15 parts of carbon nanotube, 15 parts of nano-titanium dioxide, 10 parts of calcium aluminate, methyl it is fine
Tie up plain 4 parts, 3 parts of polyvinyl alcohol, 2 parts of oxalic acid, 2 parts of butyl titanate；
Wherein, the method for modifying of modified activated carbon is：A certain amount of active carbon is taken, active carbon is cleaned with deionized water and is done
Only, it is put into boiling water and boils, and continue to stir 1h, after deionized water cleaning filtering, be placed in a vacuum drying oven, at 70 DEG C
Drying obtains pretreated active carbon to constant weight；The active carbon after pretreatment for weighing 3g is placed in 100mL concentration difference
To impregnate 10h at room temperature in the NaOH solution of 0.5mol/L, after deionized water cleaning filtering, by the work of impregnation
Property charcoal be placed at 500 DEG C and calcine 3h, cooling, ground 400-600 mesh obtains modified activated carbon；
The method of modifying of modified glass-fiber is：By glass fibre yarn cutting, then suspend in the graphene oxide of 4mg/ml
6min is extracted in liquid, then dries in 100 DEG C of vacuum, modified glass-fiber can be obtained；The partial size of nano-titanium dioxide is
100nm；
The preparation method of the present embodiment fine chemistry industry waste-gas adsorbant, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate,
Oxalic acid, butyl titanate are uniformly mixed, and obtain mixing material；
Be added methylcellulose, polyvinyl alcohol in S3, the mixing material prepared to step S2, stirring to after leather hard at
Type, after 100 DEG C of drying, under inert atmosphere conditions, in 500 DEG C of roasting 4h.
Embodiment 2：
In the present embodiment, fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：60 parts of modified activated carbon changes
Property 35 parts of glass fibre, 18 parts of aloe extract, 25 parts of carbon nanotube, 25 parts of nano-titanium dioxide, 15 parts of calcium aluminate, methyl it is fine
Tie up plain 8 parts, 7 parts of polyvinyl alcohol, 7 parts of oxalic acid, 8 parts of butyl titanate；
Wherein, the method for modifying of modified activated carbon is：A certain amount of active carbon is taken, active carbon is cleaned with deionized water and is done
Only, it is put into boiling water and boils, and continue to stir 1.5h, after deionized water cleaning filtering, be placed in a vacuum drying oven, in 80 DEG C
Lower drying obtains pretreated active carbon to constant weight；The active carbon after pretreatment for weighing 4g is placed in 100mL concentration point
15h Wei not be impregnated at room temperature in the NaOH solution of 1mol/L, after deionized water cleaning filtering, by the work of impregnation
Property charcoal be placed at 550 DEG C and calcine 3.5h, cooling, ground 600 mesh obtains modified activated carbon；
The method of modifying of modified glass-fiber is：It is then outstanding in the graphene oxide of 4.5mg/ml by glass fibre yarn cutting
8min is extracted in supernatant liquid, then dries in 100 DEG C of vacuum, modified glass-fiber can be obtained；The partial size of nano-titanium dioxide
For 200nm；
The preparation method of the present embodiment fine chemistry industry waste-gas adsorbant, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate,
Oxalic acid, butyl titanate are uniformly mixed, and obtain mixing material；
Be added methylcellulose, polyvinyl alcohol in S3, the mixing material prepared to step S2, stirring to after leather hard at
Type, after 120 DEG C of drying, under inert atmosphere conditions, in 550 DEG C of roasting 6h.
Embodiment 3：
In the present embodiment, fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：50 parts of modified activated carbon changes
Property 28 parts of glass fibre, 14 parts of aloe extract, 20 parts of carbon nanotube, 20 parts of nano-titanium dioxide, 13 parts of calcium aluminate, methyl it is fine
Tie up plain 6 parts, 5 parts of polyvinyl alcohol, 5 parts of oxalic acid, 5 parts of butyl titanate；
Wherein, the method for modifying of modified activated carbon is：A certain amount of active carbon is taken, active carbon is cleaned with deionized water and is done
Only, it is put into boiling water and boils, and continue to stir 1.3h, after deionized water cleaning filtering, be placed in a vacuum drying oven, in 70-
It dries at 80 DEG C to constant weight, obtains pretreated active carbon；The active carbon after pretreatment for weighing 3.5g, is placed in 100mL
Concentration is respectively to impregnate 13h at room temperature in the NaOH solution of 0.8mol/L, after deionized water cleaning filtering, at dipping
The active carbon managed, which is placed at 530 DEG C, calcines 3.2h, cooling, and ground 500 mesh obtains modified activated carbon；
The method of modifying of modified glass-fiber is：It is then outstanding in the graphene oxide of 4.3mg/ml by glass fibre yarn cutting
7min is extracted in supernatant liquid, then dries in 100 DEG C of vacuum, modified glass-fiber can be obtained；The partial size of nano-titanium dioxide
For 160nm；
The preparation method of the present embodiment fine chemistry industry waste-gas adsorbant, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate,
Oxalic acid, butyl titanate are uniformly mixed, and obtain mixing material；
Be added methylcellulose, polyvinyl alcohol in S3, the mixing material prepared to step S2, stirring to after leather hard at
Type, after 110 DEG C of drying, under inert atmosphere conditions, in 530 DEG C of roasting 5h.
Embodiment 4：
In the present embodiment, fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：45 parts of modified activated carbon changes
Property 25 parts of glass fibre, 12 parts of aloe extract, 17 parts of carbon nanotube, 17 parts of nano-titanium dioxide, 12 parts of calcium aluminate, methyl it is fine
Tie up plain 5 parts, 4 parts of polyvinyl alcohol, 3 parts of oxalic acid, 4 parts of butyl titanate；
Wherein, the method for modifying of modified activated carbon is：A certain amount of active carbon is taken, active carbon is cleaned with deionized water and is done
Only, it is put into boiling water and boils, and continue to stir 1.1h, after deionized water cleaning filtering, be placed in a vacuum drying oven, in 72 DEG C
Lower drying obtains pretreated active carbon to constant weight；The active carbon after pretreatment for weighing 3.2g, is placed in 100mL concentration
Respectively in the NaOH solution of 0.6mol/L, 11h is impregnated at room temperature, after deionized water cleaning filtering, by impregnation
Active carbon be placed at 510 DEG C and calcine 3.2h, cooling, ground 450 mesh obtains modified activated carbon；
The method of modifying of modified glass-fiber is：It is then outstanding in the graphene oxide of 4.2mg/ml by glass fibre yarn cutting
6.5min is extracted in supernatant liquid, then dries in 100 DEG C of vacuum, modified glass-fiber can be obtained；The grain of nano-titanium dioxide
Diameter is 120nm；
The preparation method of the present embodiment fine chemistry industry waste-gas adsorbant, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate,
Oxalic acid, butyl titanate are uniformly mixed, and obtain mixing material；
Be added methylcellulose, polyvinyl alcohol in S3, the mixing material prepared to step S2, stirring to after leather hard at
Type, after 105 DEG C of drying, under inert atmosphere conditions, in 520 DEG C of roasting 4.5h.
Embodiment 5：
In the present embodiment, fine chemistry industry waste-gas adsorbant is made of raw material from the following weight：55 parts of modified activated carbon changes
Property 30 parts of glass fibre, 16 parts of aloe extract, 23 parts of carbon nanotube, 23 parts of nano-titanium dioxide, 14 parts of calcium aluminate, methyl it is fine
Tie up plain 7 parts, 6 parts of polyvinyl alcohol, 6 parts of oxalic acid, 6 parts of butyl titanate；
Wherein, the method for modifying of modified activated carbon is：A certain amount of active carbon is taken, active carbon is cleaned with deionized water and is done
Only, it is put into boiling water and boils, and continue to stir 1.4h, after deionized water cleaning filtering, be placed in a vacuum drying oven, in 78 DEG C
Lower drying obtains pretreated active carbon to constant weight；The active carbon after pretreatment for weighing 3.8g, is placed in 100mL concentration
Respectively in the NaOH solution of 0.7mol/L, 14h is impregnated at room temperature, after deionized water cleaning filtering, by impregnation
Active carbon be placed at 540 DEG C and calcine 3.4h, cooling, ground 550 mesh obtains modified activated carbon；
The method of modifying of modified glass-fiber is：It is then outstanding in the graphene oxide of 4.4mg/ml by glass fibre yarn cutting
7.5min is extracted in supernatant liquid, then dries in 100 DEG C of vacuum, modified glass-fiber can be obtained；The grain of nano-titanium dioxide
Diameter is 180nm；
The preparation method of the present embodiment fine chemistry industry waste-gas adsorbant, includes the following steps：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate,
Oxalic acid, butyl titanate are uniformly mixed, and obtain mixing material；
Be added methylcellulose, polyvinyl alcohol in S3, the mixing material prepared to step S2, stirring to after leather hard at
Type, after 116 DEG C of drying, under inert atmosphere conditions, in 540 DEG C of roasting 5.5h.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that：It still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of fine chemistry industry waste-gas adsorbant, which is characterized in that the fine chemistry industry waste-gas adsorbant is by following parts by weight
Raw material is made：40-60 parts of modified activated carbon, 20-35 parts of modified glass-fiber, 10-18 parts of aloe extract, carbon nanotube 15-
25 parts, 15-25 parts of nano-titanium dioxide, 10-15 parts of calcium aluminate, 4-8 parts of methylcellulose, 3-7 parts of polyvinyl alcohol, oxalic acid 2-7
Part, 2-8 parts of butyl titanate.
2. fine chemistry industry waste-gas adsorbant according to claim 1, which is characterized in that the fine chemistry industry waste-gas adsorbant
It is made of raw material from the following weight：45-55 parts of modified activated carbon, 25-30 parts of modified glass-fiber, aloe extract 12-16
Part, 17-23 parts of carbon nanotube, 17-23 parts of nano-titanium dioxide, 12-14 parts of calcium aluminate, 5-7 parts of methylcellulose, polyvinyl alcohol
4-6 parts, 3-6 parts of oxalic acid, 4-6 parts of butyl titanate.
3. fine chemistry industry waste-gas adsorbant according to claim 1, which is characterized in that the fine chemistry industry waste-gas adsorbant
It is made of raw material from the following weight：50 parts of modified activated carbon, 28 parts of modified glass-fiber, 14 parts of aloe extract, carbon nanometer
20 parts of pipe, 20 parts of nano-titanium dioxide, 13 parts of calcium aluminate, 6 parts of methylcellulose, 5 parts of polyvinyl alcohol, 5 parts of oxalic acid, four fourth of metatitanic acid
5 parts of ester.
4. fine chemistry industry waste-gas adsorbant according to claim 1 or 2 or 3, which is characterized in that the modified activated carbon
Method of modifying is：A certain amount of active carbon is taken, active carbon is cleaned up with deionized water, is put into boiling water and boils, and is continued
1-1.5h is stirred, after deionized water cleaning filtering, is placed in a vacuum drying oven, dries at 70-80 DEG C to constant weight, obtain pre-
Treated active carbon；The active carbon after pretreatment of 3-4 parts by weight is weighed, being placed in 100mL concentration is respectively 0.5-1mol/
In the NaOH solution of L, 10-15h is impregnated at room temperature, and after deionized water cleaning filtering, the active carbon of impregnation is set
3-3.5h is calcined at 500-550 DEG C, cooling, ground 400-600 mesh obtains modified activated carbon.
5. fine chemistry industry waste-gas adsorbant according to claim 1 or 2 or 3, which is characterized in that the modified glass-fiber
Method of modifying be：By glass fibre yarn cutting, 6-8min is then extracted in the graphene oxide suspension of 4-4.5mg/ml, so
It is dried in 100 DEG C of vacuum afterwards, modified glass-fiber can be obtained.
6. fine chemistry industry waste-gas adsorbant according to claim 1 or 2 or 3, it is characterised in that：The nano-titanium dioxide
Partial size be 100-200nm.
7. a kind of preparation method of the fine chemistry industry waste-gas adsorbant as described in claim 1-6 is any, which is characterized in that including with
Lower step：
S1, each raw material is weighed according to parts by weight；
S2, by modified activated carbon, modified glass-fiber, aloe extract, carbon nanotube, nano-titanium dioxide, calcium aluminate, grass
Acid, butyl titanate are uniformly mixed, and obtain mixing material；
Methylcellulose, polyvinyl alcohol are added in S3, the mixing material prepared to step S2, is formed after stirring to leather hard,
After 100-120 DEG C of drying, under inert atmosphere conditions, in 500-550 DEG C of roasting 4-6h.
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| CN110975865A (en) * | 2019-12-20 | 2020-04-10 | 绍兴蓝竹新材料科技有限公司 | Preparation method of photocatalytic complexing agent for air purification with high light guide rate and high adsorption performance |
| CN111229024A (en) * | 2020-01-10 | 2020-06-05 | 绍兴市上虞区理工高等研究院 | Ammonia plant deodorant and preparation method and application thereof |
| CN112237903A (en) * | 2019-07-17 | 2021-01-19 | 南京凯旋化学科技有限公司 | High-performance adsorption film for removing VOCs waste gas and preparation method thereof |
| CN114836269A (en) * | 2021-01-31 | 2022-08-02 | 福州优恩立光电科技有限公司 | Surface cleaning treatment process for manufacturing optical glass lens |
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| CN110975865A (en) * | 2019-12-20 | 2020-04-10 | 绍兴蓝竹新材料科技有限公司 | Preparation method of photocatalytic complexing agent for air purification with high light guide rate and high adsorption performance |
| CN110975865B (en) * | 2019-12-20 | 2022-09-02 | 绍兴蓝竹新材料科技有限公司 | Preparation method of photocatalytic complexing agent for purifying air with high light conductivity and high adsorption performance |
| CN111229024A (en) * | 2020-01-10 | 2020-06-05 | 绍兴市上虞区理工高等研究院 | Ammonia plant deodorant and preparation method and application thereof |
| CN114836269A (en) * | 2021-01-31 | 2022-08-02 | 福州优恩立光电科技有限公司 | Surface cleaning treatment process for manufacturing optical glass lens |
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