CN107020070A - A kind of gas mask sorbing material - Google Patents

A kind of gas mask sorbing material Download PDF

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Publication number
CN107020070A
CN107020070A CN201710122645.6A CN201710122645A CN107020070A CN 107020070 A CN107020070 A CN 107020070A CN 201710122645 A CN201710122645 A CN 201710122645A CN 107020070 A CN107020070 A CN 107020070A
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sorbing material
gas mask
hours
activated carbon
powder
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林志雄
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—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
    • 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
    • B01D53/04—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 with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/93—Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
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  • Life Sciences & Earth Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The present invention discloses a kind of gas mask sorbing material, includes the component of following masses part：15~25 parts of montmorillonite, 10~20 parts of modified activated carbon, 5~8 parts of biomass adsorbent；Biomass adsorbent is to dry corncob or bagasse, crush, and suspension is formed in the mixed liquor for being scattered in deionized water and ethanol, adds citric acid, and segmentation constant temperature is stood, and then adds sodium bicarbonate, washing, dry after obtain biomass adsorbent.Gained gas mask sorbing material of the invention has good adsorption function, can effectively absorb various suspended solids in air；Also there is weak inductive, anti-static electrification is played.Gained gas mask of the invention can also be suppressed growth of microorganism effectively with sorbing material, it is to avoid be gone mouldy.The gained gas mask is relatively low with sorbing material cost, easy to use, applies also for the fields such as interior decoration, air cleaning.

Description

A kind of gas mask sorbing material
Technical field
The invention belongs to armour technical field, it is related to a kind of gas mask sorbing material.
Background technology
Gas mask is a kind of gas defence articles for use of protection personnel respiratory system, typically by the malicious box of filter or canister and mask master Body is constituted.Mask body completely cuts off air, plays sealing function；The malicious box canister of filter plays a part of filtering poison gas and dust, main It is used for the operating environment containing low concentration unwanted gas and dust.Anti-poison respirator is widely used in oil, chemical industry, mine, smelting The fields such as gold, military affairs, fire-fighting, rescue and relief work, health and epidemic prevention and science and technology environmental protection.
Existing anti-poison respirator is that activated carbon or disinfecting drug are placed at the air inlet of mouth mask, by the poisonous sky of working site Gas after disinfecting drug or activated carbon filtering by sucking human body, and this anti-poison respirator active carbon functional is single and disinfecting drug Easily failure.
The content of the invention
To solve the above problems, the present invention provides a kind of gas mask sorbing material, to keep permanently effective gas defence Function.
The present invention is realized by following technical proposal：A kind of gas mask sorbing material, includes the group of following masses part Point：
15~25 parts of montmorillonite,
10~20 parts of modified activated carbon,
5~8 parts of biomass adsorbent；
The biomass adsorbent follows these steps to be made：
A, corncob or bagasse dry, pulverize to 100~150 mesh powders；
B, step a powder is scattered in the mixed liquor of deionized water and ethanol by 1~8g/mL forms suspension, this is hanged Turbid liquid is stirred under Ultrasonic Conditions, makes powder dispersed；
C, the citric acid for adding in step b suspension 1~6wt%, be placed in after being sufficiently stirred at 0~8 DEG C constant temperature stand 24~ 48 hours, then constant temperature stands 30~45 hours at 10~18 DEG C, then adds sodium bicarbonate to pH value=7~8；
It is washed with deionized, then is dried at 60 DEG C after d, filtering, that is, obtains biomass adsorbent.
The modified activated carbon follows these steps to be made：
（1）1 based on solid-to-liquid ratio g/mL:（1~2）, the nitrate solution of addition 40~60% in activated carbon nano powder；
（2）Under 50~70 DEG C of stirring condition, by H2O2Liquid-solid ratio with active carbon powder is（0.5~1）:1 to step（1） The H that mass concentration is 30~50% is added in gained mixture2O2, until H2O2No bubble is decomposed completely to produce；
（3）It it is 60~80 DEG C, under mixing speed is 200~400r/min in reaction temperature, to step（2）Dripped in gained mixture Enter saturation ammonia spirit, stop that ammoniacal liquor is added dropwise when the pH value of solution reaches 10~11, and maintain to continue at the reaction temperatures Stirring 1~3 hour；
（4）By step（3）Then gained mixture obtains solid sediment, then use in aging under normal temperature 2~5 hours through suction filtration Deionized water cyclic washing and suction filtration solid sediment are finally small in drying 12~24 at 100~150 DEG C by solid sediment When, then be calcined 6 hours at 800 DEG C, after grinding to form fine powder after natural cooling；
（5）Determination step（4）The water absorption rate of gained fine powder, by KNO3The mass ratio of ︰ fine powders is（1~10）︰（99~90）Weigh KNO3, potassium nitrate solution is then configured to using equi-volume impregnating according to the water absorption rate of fine powder, by step（4）Gained fine powder with Potassium nitrate solution is mixed, and is stirred frequently, after then impregnating 24 hours at room temperature, then dry 12~24 at 100~150 DEG C Hour, after to be cooled, grinding, that is, obtain modified activated carbon.
It is to mix montmorillonite, modified activated carbon, biomass adsorbent when the gas mask of the present invention is prepared with sorbing material Close uniform, be put into as function filler in gas mask filter.
The present invention compared with prior art, with obvious beneficial effect：Gained gas mask of the invention is excellent with sorbing material Change proportioning, and optimization adds modified activated carbon and biomass adsorbent.Modified activated carbon and biomass adsorbent have hole Gap structure, quality is hard, fine and closely woven porous, and absorption power is strong, therefore with good adsorption function, can effectively absorb in air Various suspended solids, absorption is played to harmful chemicals such as sulfide, hydride, methanol, benzene, phenol, peculiar smell and smelly eliminating is decomposed Effect；Also there is weak inductive, anti-static electrification is played.Gained gas mask sorbing material of the invention can also effectively suppress micro- Biological growth, it is to avoid go mouldy.The gained gas mask is relatively low with sorbing material cost, easy to use, apply also for interior decoration, The fields such as air cleaning.
Embodiment
With reference to embodiment, the present invention will be further described
Embodiment 1
Gas mask sorbing material, includes the component of following masses part：
0 part of montmorillonite 2,
15 parts of modified activated carbon,
7 parts of biomass adsorbent；
The biomass adsorbent follows these steps to be made：
A, corncob dry, pulverize to 100~150 mesh powders；
B, step a powder is scattered in the mixed liquor of deionized water and ethanol by 6g/mL forms suspension, by this suspension Stirred under Ultrasonic Conditions, make powder dispersed；Concentration of alcohol is 70v/ wherein in the mixed liquor of deionized water and ethanol v%；
C, the citric acid for adding in step b suspension 3wt%, are placed at 4 DEG C constant temperature and stand 36 hours after being sufficiently stirred for, then Constant temperature stands 36 hours at 16 DEG C, then adds sodium bicarbonate to pH value=7~8；
D, dry with being washed with deionized after nylon net filter, then at 60 DEG C, that is, obtain biomass adsorbent.
The modified activated carbon follows these steps to be made：
（1）1 based on solid-to-liquid ratio g/mL:1.5, the nitrate solution of addition 50% in activated carbon nano powder；
（2）Under 60 DEG C of stirring condition, by H2O2Liquid-solid ratio with active carbon powder is 0.8:1 to step（1）Gained is mixed The H that mass concentration is 40% is added in thing2O2, until H2O2No bubble is decomposed completely to produce；
（3）It it is 70 DEG C, under mixing speed is 300r/min in reaction temperature, to step（2）Saturated ammonia is instilled in gained mixture The aqueous solution, stops that ammoniacal liquor is added dropwise when the pH value of solution reaches 10~11, and it is small to maintain continuation at the reaction temperatures to stir 2 When；
（4）By step（3）Then gained mixture obtains solid sediment in aging under normal temperature 3 hours through suction filtration, then spend from Sub- water cyclic washing and suction filtration solid sediment, finally by solid sediment in drying 20 hours at 120 DEG C, then at 800 DEG C Roasting 6 hours, after grinding to form fine powder after natural cooling；
（5）Determination step（4）The water absorption rate of gained fine powder, by KNO3The mass ratio of ︰ fine powders is that 8 ︰ 92 weigh KNO3, then basis The water absorption rate of fine powder is configured to potassium nitrate solution using equi-volume impregnating, by step（4）Gained fine powder is mixed with potassium nitrate solution Close, and stir frequently, then dipping is dried 16 hours after 24 hours, then at 120 DEG C at room temperature, after to be cooled, grinding, i.e., Obtain modified activated carbon.
After tested, the gas mask sorbing material of this example：Saturation benzene adsorbance is 49.4%.
Embodiment 2
Gas mask sorbing material, includes the component of following masses part：
15 parts of montmorillonite,
10 parts of modified activated carbon,
5 parts of biomass adsorbent；
The biomass adsorbent follows these steps to be made：
A, bagasse dry, pulverize to 100 mesh powders；
B, step a powder is scattered in the mixed liquor of deionized water and ethanol by 1g/mL forms suspension, by this suspension Stirred under Ultrasonic Conditions, make powder dispersed；Concentration of alcohol is 60v/ wherein in the mixed liquor of deionized water and ethanol v%；
C, the citric acid for adding in step b suspension 1wt%, are placed at 0 DEG C constant temperature and stand 24 hours after being sufficiently stirred for, then Constant temperature stands 30 hours at 10 DEG C, then adds sodium bicarbonate to pH value=7~8；
D, dry with being washed with deionized after nylon net filter, then at 60 DEG C, that is, obtain biomass adsorbent.
The modified activated carbon follows these steps to be made：
（1）1 based on solid-to-liquid ratio g/mL:1, the nitrate solution of addition 40% in activated carbon nano powder；
（2）Under 50 DEG C of stirring condition, by H2O2Liquid-solid ratio with active carbon powder is 0.5:1 to step（1）Gained is mixed The H that mass concentration is 30% is added in thing2O2, until H2O2No bubble is decomposed completely to produce；
（3）It it is 60 DEG C, under mixing speed is 200r/min in reaction temperature, to step（2）Saturated ammonia is instilled in gained mixture The aqueous solution, stops that ammoniacal liquor is added dropwise when the pH value of solution reaches 10~11, and it is small to maintain continuation at the reaction temperatures to stir 1 When；
（4）By step（3）Then gained mixture obtains solid sediment in aging under normal temperature 2 hours through suction filtration, then spend from Sub- water cyclic washing and suction filtration solid sediment, finally by solid sediment in drying 12 hours at 100 DEG C, then at 800 DEG C Roasting 6 hours, after grinding to form fine powder after natural cooling；
（5）Determination step（4）The water absorption rate of gained fine powder, by KNO3The mass ratio of ︰ fine powders is that 1 ︰ 99 weighs KNO3, then basis The water absorption rate of fine powder is configured to potassium nitrate solution using equi-volume impregnating, by step（4）Gained fine powder is mixed with potassium nitrate solution Close, and stir frequently, then dipping is dried 12 hours after 24 hours, then at 100 DEG C at room temperature, after to be cooled, grinding, i.e., Obtain modified activated carbon.
After tested, the gas mask sorbing material of this example：Saturation benzene adsorbance is 49.6%.
Embodiment 3
Gas mask sorbing material, includes the component of following masses part：
5 parts of montmorillonite 2,
20 parts of modified activated carbon,
8 parts of biomass adsorbent；
The biomass adsorbent follows these steps to be made：
A, corncob dry, pulverize to 150 mesh powders；
B, step a powder is scattered in the mixed liquor of deionized water and ethanol by 8g/mL forms suspension, by this suspension Stirred under Ultrasonic Conditions, make powder dispersed；Concentration of alcohol is 80v/ wherein in the mixed liquor of deionized water and ethanol v%；
C, the citric acid for adding in step b suspension 6wt%, are placed at 8 DEG C constant temperature and stand 48 hours after being sufficiently stirred for, then Constant temperature stands 45 hours at 18 DEG C, then adds sodium bicarbonate to pH value=7~8；
D, dry with being washed with deionized after nylon net filter, then at 60 DEG C, that is, obtain biomass adsorbent.
The modified activated carbon follows these steps to be made：
（1）1 based on solid-to-liquid ratio g/mL:2, the nitrate solution of addition 60% in activated carbon nano powder；
（2）Under 70 DEG C of stirring condition, by H2O2Liquid-solid ratio with active carbon powder is 1:1 to step（1）Gained mixture It is middle to add the H that mass concentration is 50%2O2, until H2O2No bubble is decomposed completely to produce；
（3）It it is 60~80 DEG C, under mixing speed is 200~400r/min in reaction temperature, to step（2）Dripped in gained mixture Enter saturation ammonia spirit, stop that ammoniacal liquor is added dropwise when the pH value of solution reaches 10~11, and maintain to continue at the reaction temperatures Stirring 3 hours；
（4）By step（3）Then gained mixture obtains solid sediment in aging under normal temperature 5 hours through suction filtration, then spend from Sub- water cyclic washing and suction filtration solid sediment, finally by solid sediment in drying 24 hours at 150 DEG C, then at 800 DEG C Roasting 6 hours, after grinding to form fine powder after natural cooling；
（5）Determination step（4）The water absorption rate of gained fine powder, by KNO3The mass ratio of ︰ fine powders is that 10 ︰ 90 weigh KNO3, Ran Hougen Potassium nitrate solution is configured to using equi-volume impregnating according to the water absorption rate of fine powder, by step（4）Gained fine powder and potassium nitrate solution Mixing, and stir frequently, then dipping is dried 24 hours after 24 hours, then at 150 DEG C at room temperature, after to be cooled, grinding, Obtain modified activated carbon.
After tested, the gas mask sorbing material of this example：Saturation benzene adsorbance is 51.3%.

Claims (3)

1. a kind of gas mask sorbing material, it is characterised in that include the component of following masses part：
15~25 parts of montmorillonite,
10~20 parts of modified activated carbon,
5~8 parts of biomass adsorbent；
The biomass adsorbent follows these steps to be made：
A, corncob or bagasse dry, pulverize to 100~150 mesh powders；
B, step a powder is scattered in the mixed liquor of deionized water and ethanol by 1~8g/mL forms suspension, this is hanged Turbid liquid is stirred under Ultrasonic Conditions, makes powder dispersed；
C, the citric acid for adding in step b suspension 1~6wt%, be placed in after being sufficiently stirred at 0~8 DEG C constant temperature stand 24~ 48 hours, then constant temperature stands 30~45 hours at 10~18 DEG C, then adds sodium bicarbonate to pH value=7~8；
It is washed with deionized, then is dried at 60 DEG C after d, filtering, that is, obtains biomass adsorbent.
2. gas mask sorbing material according to claim 1, it is characterised in that：The modified activated carbon presses following step It is rapid to be made：
（1）1 based on solid-to-liquid ratio g/mL:（1~2）, the nitrate solution of addition 40~60% in activated carbon nano powder；
（2）Under 50~70 DEG C of stirring condition, by H2O2Liquid-solid ratio with active carbon powder is（0.5~1）:1 to step（1） The H that mass concentration is 30~50% is added in gained mixture2O2, until H2O2No bubble is decomposed completely to produce；
（3）It it is 60~80 DEG C, under mixing speed is 200~400r/min in reaction temperature, to step（2）Dripped in gained mixture Enter saturation ammonia spirit, stop that ammoniacal liquor is added dropwise when the pH value of solution reaches 10~11, and maintain to continue at the reaction temperatures Stirring 1~3 hour；
（4）By step（3）Then gained mixture obtains solid sediment, then use in aging under normal temperature 2~5 hours through suction filtration Deionized water cyclic washing and suction filtration solid sediment are finally small in drying 12~24 at 100~150 DEG C by solid sediment When, then be calcined 6 hours at 800 DEG C, after grinding to form fine powder after natural cooling；
（5）Determination step（4）The water absorption rate of gained fine powder, by KNO3The mass ratio of ︰ fine powders is（1~10）︰（99~90）Weigh KNO3, potassium nitrate solution is then configured to using equi-volume impregnating according to the water absorption rate of fine powder, by step（4）Gained fine powder with Potassium nitrate solution is mixed, and is stirred frequently, after then impregnating 24 hours at room temperature, then dry 12~24 at 100~150 DEG C Hour, after to be cooled, grinding, that is, obtain modified activated carbon.
3. gas mask sorbing material according to claim 1, it is characterised in that：The deionized water of the step b and Concentration of alcohol is 60~80v/v% in the mixed liquor of ethanol.
CN201710122645.6A 2017-03-03 2017-03-03 A kind of gas mask sorbing material Pending CN107020070A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN107617425A (en) * 2017-10-31 2018-01-23 成都先进金属材料产业技术研究院有限公司 A kind of modified cocoanut shell and the method using vanadium in its reduction water body

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CN101879435A (en) * 2010-06-08 2010-11-10 华东理工大学 High-adsorption-capacity room-temperature nitrogen oxide adsorbent and preparation method thereof
CN105110330A (en) * 2015-08-17 2015-12-02 中国科学院上海高等研究院 Preparation method for activated carbon material and application thereof
CN106348294A (en) * 2016-11-09 2017-01-25 南阳师范学院 Preparation method of deciduous leaf activated carbon

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107617425A (en) * 2017-10-31 2018-01-23 成都先进金属材料产业技术研究院有限公司 A kind of modified cocoanut shell and the method using vanadium in its reduction water body

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