CN106582519A - Catalytic carbon for absorbing and preventing GB nerve agent and preparation method - Google Patents
Catalytic carbon for absorbing and preventing GB nerve agent and preparation method Download PDFInfo
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- CN106582519A CN106582519A CN201611076665.6A CN201611076665A CN106582519A CN 106582519 A CN106582519 A CN 106582519A CN 201611076665 A CN201611076665 A CN 201611076665A CN 106582519 A CN106582519 A CN 106582519A
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- carbon
- catalytic carbon
- impregnation liquid
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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
- B01J20/20—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
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- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
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- 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
- B01D53/86—Catalytic processes
- B01D53/8659—Removing halogens or halogen compounds
- B01D53/8662—Organic halogen compounds
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
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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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0213—Preparation of the impregnating solution
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Materials Engineering (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention provides catalytic carbon for absorbing and preventing a GB nerve agent and a preparation method. Coaly activated carbon is adopted as a carrier framework material to load 0.7-1.5% (by weight) of Cr, 3-7% (by weight) of Cu and 0.03-0.05% (by weight) of Ag, the catalytic carbon which is capable of absorbing and preventing the GB nerve agent can be prepared by adopting a method of twice impregnation, and thus purification requirements of complex environments can be met. The catalytic carbon is excellent in property, a preparation process is easy to operate, and on-batch production can be achieved. Appointed active components can be loaded on the carrier material to prepare an adsorption material which has a function of absorbing and preventing the GB nerve agent. The catalytic carbon has a certain prevention function on hydrogen sulfide, formaldehyde, nitrogen dioxide and the like on the basis of balancing and preventing ammonia gas and sulfur dioxide.
Description
Technical field
The present invention relates to chemical catalyst field, the catalytic carbon of specially a kind of use GB class toxic agent absorption protection and preparation side
Method.
Background technology
GB class toxic agents refer to the nerve toxicant containing cyanamide phosphate ester and base novel fluorophosphonate, such as containing cyanamide phosphoric acid
Ester such as tabun, and alkyl novel fluorophosphonate such as sarin, soman.Absorption to such toxic agent is protected, equal at military and civilian aspect
There is great meaning.
The protection of general toxic gas, is all that activated carbon is become catalytic carbon after certain process to make to play absorption and protect
.Activated carbon is a kind of porous carbonaceous material, and it has highly developed pore structure, is a kind of excellent adsorbent.
Since appearance, the manufacture of activated carbon and use are just constantly improving, and novel protective photocatalytic active carbon is sent out also with situation
Exhibition, constantly updates.
At present, the catalytic carbon species on market is various, has NH3Protection impregnated carbon, H2S protection impregnated carbon, and CHCl,
Classics toxic agent protective material such as HCN etc., but from the point of view of protection object, these impregnated carbon are only met to single a certain at present
The protection of kind or a certain class poisonous and harmful substance, can not meet the absorption to GB class toxic agents and protect.
The content of the invention
It is an object of the invention to provide a kind of catalytic carbon and preparation method that protection is absorbed for GB classes toxic agent, from high-quality
Coal mass active carbon is other active components such as carrier framework material, first load active component auxiliary agent Cr, then loaded Cu and Ag.For
Protective equipment can change the limitation that conventional single catalyst can only be directed to single toxic agent, realize the absorption to GB class toxic agents and prevent
Shield, improves the protection efficiency of catalyst, and the improvement for Chemical Agent Resistant Material from now on provides certain help.
The present invention adopts the following technical scheme that realization：
Absorb the catalytic carbon of protection GB class toxic agents, it is characterised in that：With coal mass active carbon as carrier framework material, load 0.7%
～1.5%（Weight）Cr, 3%～7%（Weight）Cu and 0.03%～0.05%（Weight）Ag.
Its preparation technology comprises the steps：
1）Active component containing Cr ions is added and is gone in distilled water, fully dissolving is configured to impregnation liquid A, and its mass concentration is
20～30%；Active component containing Cu ions is added into 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to dipping
Liquid B, its mass concentration are 10～20%；To be impregnated dose of dissolving, the B mix homogeneously that solution A is slowly added to prepare；To contain
The active component of Ag ions adds 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid C, its mass concentration
For 3～5%；The impregnation liquid C for preparing is slowly added to into impregnation liquid A finally, in the mixed solution of B, impregnation liquid configuration is completed；Its
The mass ratio of middle impregnation liquid A, B, C is 4～8:30～35:1；
2）Using spray infusion process, the above-mentioned mixed impregnant liquor for preparing is mixed with coal mass active carbon, its mass ratio is 1:
0.8～1.4；
3）After liquid to be impregnated is mixed homogeneously with activated carbon, the catalytic carbon for mixing is transferred to fluidized bed furnace by hopper, is heated up to 115
～130 DEG C are dried dehydration 50～70 minutes to catalytic carbon；
4）Boiling furnace temperature is promoted between 135～155 DEG C, the temperature 35～45 minutes is kept until catalytic carbon is lived completely
Change.
The present invention is prepared using the method for double-steeping and be disclosure satisfy that to GB classes from the activated carbon base charcoal of function admirable
Toxic agent absorbs protection catalytic carbon, can tackle the purification demand under complex environment.The function admirable of the catalytic carbon, preparation technology are easily grasped
Make, be capable of achieving batch production.Specified activity component is loaded on the carrier material and prepares adsorbing material, with to GB class toxic agents
Absorption protective capacities.The catalyst is on the basis of balance protection ammonia and sulfur dioxide simultaneously to hydrogen sulfide, formaldehyde, dioxy
Change nitrogen etc. and also there is certain protective action.Wherein the protective capacities of PARA FORMALDEHYDE PRILLS(91,95) are existed with the removal efficiency of the method detection 1h of power pipe
More than 98%.
Specific embodiment
Embodiment 1：
The present embodiment catalytic carbon loads 0.7% with coal mass active carbon as carrier framework material（Weight）Cr, 3%（Weight）'s
Cu and 0.03%（Weight）Ag.Concrete preparation technology comprises the steps：
1）Ammonium chromate containing Cr ions is added and is gone in distilled water, fully dissolving is configured to impregnation liquid A, and its mass concentration is
20%；Basic copper carbonate containing Cu ions is added into 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid
B, its mass concentration are 10%；To be impregnated dose of dissolving, the B mix homogeneously that solution A is slowly added to prepare；Will be containing Ag ions
Silver nitrate add 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid C, and its mass concentration is 3%；Most
The impregnation liquid C for preparing is slowly added to into impregnation liquid A afterwards, in the mixed solution of B, impregnation liquid configuration is completed；Wherein impregnation liquid A,
The mass ratio of B, C is 4:30:1；
2）Using spray infusion process, the above-mentioned mixed impregnant liquor for preparing is mixed with coal mass active carbon, its mass ratio is 1:
0.8；
3）After liquid to be impregnated is mixed homogeneously with activated carbon, the catalytic carbon for mixing is transferred to fluidized bed furnace by hopper, is heated up to 115
DEG C to catalytic carbon be dried dehydration 70 minutes；
4）Boiling furnace temperature is promoted between 135 DEG C, the temperature 45 minutes is kept until catalytic carbon is activated completely.
Embodiment 2：
The present embodiment catalytic carbon coal mass active carbon is carrier framework material, loads 1.1%（Weight）Cr, 5%（Weight）Cu
With 0.04%（Weight）Ag.Its preparation technology comprises the steps：
1）Ammonium chromate containing Cr ions is added and is gone in distilled water, fully dissolving is configured to impregnation liquid A, and its mass concentration is
25%；Basic copper carbonate containing Cu ions is added into 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid
B, its mass concentration are 15%；To be impregnated dose of dissolving, the B mix homogeneously that solution A is slowly added to prepare；Will be containing Ag ions
Silver nitrate add 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid C, and its mass concentration is 4%；Most
The impregnation liquid C for preparing is slowly added to into impregnation liquid A afterwards, in the mixed solution of B, impregnation liquid configuration is completed；Wherein impregnation liquid A,
The mass ratio of B, C is 6:33:1；
2）Using spray infusion process, the above-mentioned mixed impregnant liquor for preparing is mixed with coal mass active carbon, its mass ratio is 1:
1.2；
3）After liquid to be impregnated is mixed homogeneously with activated carbon, the catalytic carbon for mixing is transferred to fluidized bed furnace by hopper, is heated up to 120
DEG C to catalytic carbon be dried dehydration 60 minutes；
4）Boiling furnace temperature is promoted between 145 DEG C, the temperature 40 minutes is kept until catalytic carbon is activated completely.
Embodiment 3：
The present embodiment catalytic carbon loads 1.5% with coal mass active carbon as carrier framework material（Weight）Cr, 7%（Weight）'s
Cu and 0.05%（Weight）Ag.Its preparation technology comprises the steps：
1）Ammonium chromate containing Cr ions is added and is gone in distilled water, fully dissolving is configured to impregnation liquid A, and its mass concentration is
30%；Basic copper carbonate containing Cu ions is added into 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid
B, its mass concentration are 20%；To be impregnated dose of dissolving, the B mix homogeneously that solution A is slowly added to prepare；Will be containing Ag ions
Silver nitrate add 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid C, and its mass concentration is 5%；Most
The impregnation liquid C for preparing is slowly added to into impregnation liquid A afterwards, in the mixed solution of B, impregnation liquid configuration is completed；Wherein impregnation liquid A,
The mass ratio of B, C is 8: 35:1；
2）Using spray infusion process, the above-mentioned mixed impregnant liquor for preparing is mixed with coal mass active carbon, its mass ratio is 1:
1.4；
3）After liquid to be impregnated is mixed homogeneously with activated carbon, the catalytic carbon for mixing is transferred to fluidized bed furnace by hopper, is heated up to 130
DEG C to catalytic carbon be dried dehydration 50 minutes；
4）Boiling furnace temperature is promoted between 155 DEG C, the temperature 35 minutes is kept until catalytic carbon is activated completely.
Claims (3)
1. the catalytic carbon of protection GB class toxic agents is absorbed, it is characterised in that：With coal mass active carbon as carrier framework material, load
0.7%～1.5%（Weight）Cr, 3%～7%（Weight）Cu and 0.03%～0.05%（Weight）Ag.
2. the preparation method of the catalytic carbon of protection GB class toxic agents is absorbed, it is characterised in that comprised the steps：
1）Active component containing Cr ions is added and is gone in distilled water, fully dissolving is configured to impregnation liquid A, and its mass concentration is
20～30%；Active component containing Cu ions is added into 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to dipping
Liquid B, its mass concentration are 10～20%；To be impregnated dose of dissolving, the B mix homogeneously that solution A is slowly added to prepare；To contain
The active component of Ag ions adds 8～10%（Volume ratio）In ammonia spirit, fully dissolving is configured to impregnation liquid C, its mass concentration
For 3～5%；The impregnation liquid C for preparing is slowly added to into impregnation liquid A finally, in the mixed solution of B, impregnation liquid configuration is completed；Its
The mass ratio of middle impregnation liquid A, B, C is 4～8:30～35:1；
2）Using spray infusion process, the above-mentioned mixed impregnant liquor for preparing is mixed with coal mass active carbon, its mass ratio is 1:
0.8～1.4；
3）After liquid to be impregnated is mixed homogeneously with activated carbon, the catalytic carbon for mixing is transferred to fluidized bed furnace by hopper, is heated up to 115
～130 DEG C are dried dehydration 50～70 minutes to catalytic carbon；
4）Boiling furnace temperature is promoted between 135～155 DEG C, the temperature 35～45 minutes is kept until catalytic carbon is lived completely
Change.
3. the preparation method of the catalytic carbon for absorbing anti-GB classes toxic agent according to claim 2, it is characterised in that：It is described containing
The active component of Cr ions comes from ammonium chromate, and the active component containing Cu ions comes from basic copper carbonate, described to contain
The active component for having Ag ions comes from silver nitrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611076665.6A CN106582519A (en) | 2016-11-30 | 2016-11-30 | Catalytic carbon for absorbing and preventing GB nerve agent and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611076665.6A CN106582519A (en) | 2016-11-30 | 2016-11-30 | Catalytic carbon for absorbing and preventing GB nerve agent and preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN106582519A true CN106582519A (en) | 2017-04-26 |
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ID=58594077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611076665.6A Pending CN106582519A (en) | 2016-11-30 | 2016-11-30 | Catalytic carbon for absorbing and preventing GB nerve agent and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332720A (en) * | 2018-12-05 | 2019-02-15 | 太原理工大学 | High dispersancy nano silver anti-biotic material and preparation method thereof |
| CN112371084A (en) * | 2020-10-20 | 2021-02-19 | 广西南宁都宁通风防护设备有限公司 | Preparation method and application of sterilized activated carbon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307930A (en) * | 2000-12-18 | 2001-08-15 | 中国人民解放军63971部队 | Chromium-free soaked active carbon and its preparation |
| KR20040091344A (en) * | 2003-04-21 | 2004-10-28 | 한국화학연구원 | Active carbon absorbent containing copper, silver and chrome and method for preparing same |
| CN102085474A (en) * | 2010-12-02 | 2011-06-08 | 山西新华化工有限责任公司 | Preparation method of impregnated carbon for preventing acid/alkaline toxicants |
-
2016
- 2016-11-30 CN CN201611076665.6A patent/CN106582519A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307930A (en) * | 2000-12-18 | 2001-08-15 | 中国人民解放军63971部队 | Chromium-free soaked active carbon and its preparation |
| KR20040091344A (en) * | 2003-04-21 | 2004-10-28 | 한국화학연구원 | Active carbon absorbent containing copper, silver and chrome and method for preparing same |
| KR100512476B1 (en) * | 2003-04-21 | 2005-09-06 | 한국화학연구원 | Active carbon absorbent containing copper, silver and chrome and method for preparing same |
| CN102085474A (en) * | 2010-12-02 | 2011-06-08 | 山西新华化工有限责任公司 | Preparation method of impregnated carbon for preventing acid/alkaline toxicants |
Non-Patent Citations (2)
| Title |
|---|
| 曹保榆: "《核生化事件的防范与处置》", 30 September 2004, 北京：国防工业出版社 * |
| 黄振兴: "《活性炭技术基础》", 30 June 2006, 兵器工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332720A (en) * | 2018-12-05 | 2019-02-15 | 太原理工大学 | High dispersancy nano silver anti-biotic material and preparation method thereof |
| CN109332720B (en) * | 2018-12-05 | 2021-08-31 | 太原理工大学 | High-dispersity nano-silver antibacterial material and preparation method thereof |
| CN112371084A (en) * | 2020-10-20 | 2021-02-19 | 广西南宁都宁通风防护设备有限公司 | Preparation method and application of sterilized activated carbon |
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Application publication date: 20170426 |