CN107855102A - The preparation method and tail gas recycle purification method of Benzene Chloride tail gas adsorption agent - Google Patents
The preparation method and tail gas recycle purification method of Benzene Chloride tail gas adsorption agent Download PDFInfo
- Publication number
- CN107855102A CN107855102A CN201610839828.5A CN201610839828A CN107855102A CN 107855102 A CN107855102 A CN 107855102A CN 201610839828 A CN201610839828 A CN 201610839828A CN 107855102 A CN107855102 A CN 107855102A
- Authority
- CN
- China
- Prior art keywords
- tail gas
- benzene
- activated carbon
- benzene chloride
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
-
- 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
Abstract
The invention provides a kind of preparation method of Benzene Chloride tail gas adsorption agent and tail gas recycle purification method, petro chemical industry pollutant emission standard can be met, while reclaimed in tail gas using material.Detailed process is to prepare efficient Benzene Chloride tail gas adsorption agent first：Prepare the oxyacid solns such as nitric acid, phosphoric acid, formic acid, acetic acid.Above-mentioned solution is activated carbon treatment fluid, dries after filtration washing after processing, is loaded in salting liquid containing manganese Metal, and adsorbent is made after filtering roasting.Absorbing unit is applied it to, in conjunction with falling film absorption, spray-absorption, condensation separation unit, reclaiming clean Benzene Chloride tail gas, makes wherein benzene≤4mg/m3, chlorobenzene class≤50mg/m3。
Description
Technical field
The present invention is a kind of preparation method for adsorbing chlorinated benzene tail gas adsorption agent and Benzene Chloride tail gas recycle purification side
Method.
Background technology
Benzene Chloride is a kind of important chemical intermediate, and product includes nitro-chlorobenzene, dinitrofluorobenzene etc. downstream, in recent years
It is hot to come market, the Benzene Chloride market demand increasingly improves.Substantial amounts of Benzene Chloride tail gas can be produced during production Benzene Chloride, its
With the characteristics of content of organics is high, peculiar smell is obvious, environmental hazard is big, as society is increasingly paid close attention to environmental issue, country
To environmental protection supervision it is more and more stricter, handle Benzene Chloride tail gas well, can qualified discharge be ensure process units stable operation
It is crucial.Both at home and abroad generally using tower boiling continuous chlorination production Benzene Chloride, generation is largely containing benzene, hydrogen chloride, Benzene Chloride, chlorine
The chlorinated exhaust of gas, hydrogen, oxygen etc..Contain substantial amounts of benzene and chlorobenzene in the Benzene Chloride tail gas that reaction tower comes out, containing benzene and chlorine
Benzene total amount about 10000-15000mg/m3, air quantity about 15000Nm per hour3/h.Benzene Chloride treating tail gas is larger difficulty at present
Topic, subject matter one are that content of organics is high in tail gas；Second, the corrosive gas such as containing hydrogen chloride, chlorine, corrosion are set in tail gas
It is standby serious, easily cause leakage gas leakage.
At present, in newest petroleum chemical enterprise's pollutant emission standard, it is desirable to benzene≤4mg/m3, chlorobenzene class≤50mg/m3.It is existing
Technique can not meet this requirement, main reason is that performance of the adsorbent used in end-attachment handling process is poor, can not
Realize permanently effective tail gas recycle purification.Meanwhile also contain the process that washing, alkali cleaning etc. can produce dangerous waste in the prior art,
The recoverable material in high efficiente callback tail gas is not simply failed to, also creates secondary pollution, influences device normal operation.
Therefore, efficient Benzene Chloride tail gas adsorption agent and process matched therewith are developed, it is effectively reclaimed recyclable in tail gas
Using material, and can makes Benzene Chloride tail gas qualified discharge steady in a long-term, also can be other species not only with economic and environment-friendly benefit
Organic tail gas, which is administered to provide, refers to thinking.
The content of the invention
The problem of existing for Benzene Chloride device exhaust reclaiming clean, the invention provides a kind of Benzene Chloride tail gas adsorption agent
Preparation method and tail gas recycle purification technique, GB31571-215 petro chemical industry pollutant emission standards can be met,
Reclaim simultaneously in tail gas using material.
The specific sorbent preparation method and tail gas recycle purification method of the present invention, is to prepare efficient Benzene Chloride tail gas first
Adsorbent, its benzene, chlorobenzene adsorption capacity reach 300-400mg/g, then apply it to absorbing unit, with reference to falling film absorption unit,
Spray unit, condensing unit, reclaiming clean Benzene Chloride tail gas, make wherein benzene≤4mg/m3, chlorobenzene class≤50mg/m3。
The main technical schemes of the present invention：The preparation method of Benzene Chloride device exhaust adsorbent, it is characterized in that adsorbent selects
It is carrier with activated carbon, oxyacid soln is first prepared, in 60-120 DEG C of drying after activated carbon pickling, filtering, washing to pH value 6-7
6-12h；Salting liquid containing manganese Metal is prepared, the activated carbon after processing is loaded by salting liquid containing manganese Metal, filtered, in 300-
2-6h is calcined under the conditions of 600 DEG C, adsorbent is made after roasting.
Usually, the oxyacid soln be concentration be 0.5-5mol/L nitric acid, phosphoric acid, formic acid, one kind in acetic acid
It is or several.
The pickling mode of the activated carbon is one kind in three kinds,（1）The fluidised form that pickle passes through active carbon bed
Change washing, treatment fluid liquid hourly space velocity (LHSV) 30-60h-1, 20-40 DEG C of temperature, time 0.5-1h；（2）Activated carbon is placed in batch can, batch can
It is placed in acid solution and stirs, pickle is 3 with activated carbon volume ratio:1-6:1, mixing speed 200-400r/min；（3）At standing
Reason, pickle liquid are 1.5 with activated carbon volume ratio:1-2:1,30-60 DEG C of temperature, time 8-12h.
The manganese concentration of the salting liquid containing manganese Metal is 0.1-0.4mol/L；The salt containing manganese Metal is solution permanganic acid
One or more in potassium, sodium permanganate, manganese nitrate, manganese acetate.
The activated carbon by after processing is one kind in following three kinds by the mode of loading of salting liquid containing manganese Metal：（1）
Pickle passes through the fluidization wash of active carbon bed, load liquid liquid hourly space velocity (LHSV) 10-30h-1, 20-40 DEG C of temperature, time 1-2h；
（2）Activated carbon is placed in batch can, the agitator treating in acid solution, and loaded liquid product is 3 with activated carbon volume ratio:1-6:1, stirring speed
Spend 200-300r/min, 20-40 DEG C of temperature, time 4-8h；（3）Stand, loaded liquid product is 2 with activated carbon volume ratio:1-4:
1,20-40 DEG C of temperature, time 10-16h.
Benzene, chlorobenzene dynamic adsorbance 300-400mg/g, iodine number >=1000mg/g, loading density 0.5g/ under the condition of normal pressure
cm3。
The tail gas recycle purification method of adsorbent is made using the above method by the present invention, it is characterized in that comprising the following steps：
Benzene Chloride tail gas absorbs sour gas by falling-film absorber, then by spraying and condensing recovery wherein after organic matter, into dress
It is filled with the absorbing unit processing of tail gas adsorption agent.
The falling film absorption unit falling-film absorber material is graphite or graphite modified polypropylene, and type is shell and tube, is inhaled
Receipts agent is water, 30-60 DEG C of system temperature, pressure 0.05-0.3Mpa.
It is described by spraying and condensing recovery organic matter.Spray recovery tower spray liquid is benzene, and temperature is kept for-20-20 DEG C；
Condensation separation cell temperature is kept for-50-- 10 DEG C.
The adsorption tower temperature is kept for 20-60 DEG C, when absorbing unit is desorbed, using 150-250 DEG C of steam blowing, during desorption
Between 0.5-2h, terminate rear nitrogen purging 2-6h.
The inventive method, the reclaiming clean of Benzene Chloride tail gas is realized, enable tail gas qualified discharge, while reclaimed tail gas
In using material.
Embodiment
The inventive method is described in detail in reference to embodiment.
Embodiment 1
Preparation 0.5mol/L salpeter solutions, the fluidization wash formal layout activated carbon using pickle by active carbon bed,
Treatment fluid liquid hourly space velocity (LHSV) 30h-1, 40 DEG C of temperature, time 1h.Filtered after end, it is 6 to be washed with deionized to pH, in 60 DEG C of bars
12h is dried under part, nitric acid is obtained and washes rear activated carbon.0.1mol/L liquor potassic permanganates are prepared, nitric acid is washed into rear activated carbon and passes through work
Property charcoal be placed in batch can, agitator treating mode loads in acid solution, and load liquid and activated carbon volume ratio are 3:1, mixing speed
200r/min, 25 DEG C of temperature, time 4h.Filtered after end, be calcined 6h in 300 DEG C, Benzene Chloride tail gas adsorption agent, its feature is made
For condition of normal pressure benzene, chlorobenzene dynamic adsorbance 300mg/g, iodine number 1000mg/g（Examination criteria GB/T 12496.8-1999）, dress
Filling density 0.5g/cm3, it is packed into absorbing unit use.Benzene Chloride tail gas benzene and chlorobenzene content 10000mg/m3, pass through stone first
The tube array falling film absorber of black material, absorbent are water, and system temperature is kept for 30 DEG C, system pressure 0.3Mpa；Pass through spray again
Recovery unit and condensation separation unit recovery organic matter are drenched, spray recovery tower spray liquid is benzene, -20 DEG C of system temperature, condenses and divides
- 50 DEG C from cellular system temperature；The absorbing unit for being filled with Benzene Chloride tail gas adsorption agent, 20 DEG C of system temperature are passed through again.
Certain enterprise 10w/a benzene chloride production devices, tail gas enter the chlorobenzene 1500ppm of 1000ppm containing benzene before absorbing unit, tail
Throughput 300m3/ h, absorbing unit adsorbent inventory 7t, is emptied after absorption, wherein benzene=2mg/m3, chlorobenzene class=40mg/
m3.After operating time 1500h, benzene=3.9mg/m3, chlorobenzene class=48.1mg/m3, close to limited value of discharge standard, the absorption after use
Agent desorption is desorbed 2h using 150 DEG C of steam, terminates rear nitrogen purging 2h.Repeat desorption number to see the table below with operating time, desorption 4
Adsorbent is changed after secondary.
| It is desorbed number | Operating time h | Benzene content mg/m3 | Chlorobenzene content mg/m3 |
| 0 | 1500 | 3.9 | 48.1 |
| 1 | 1200 | 3.2 | 47.6 |
| 2 | 700 | 3.6 | 48.3 |
| 3 | 300 | 3.7 | 49.2 |
| 4 | 160 | 3.3 | 48.6 |
Embodiment 2
5mol/L acetic acid solutions are prepared, are placed in using activated carbon in batch can, the agitator treating formal layout activated carbon in acid solution.Place
It is 6 that liquid, which is managed, with activated carbon volume ratio:1, stir speed (S.S.) 300r/min, 30 DEG C of temperature, time 2h.Filtered after end, use deionization
Water washing is 7 to pH, and 6h is dried under the conditions of 120 DEG C, acetic acid is obtained and washes rear activated carbon.0.4mol/L manganese nitrate solutions are prepared, it is molten
Liquid is 2 with activated carbon volume ratio:1, nitric acid is washed into rear activated carbon and loaded by standing form, 40 DEG C of dwell temperature, time 16h.
Filtered after end, be calcined 2h in 600 DEG C, Benzene Chloride tail gas adsorption agent be made, it is characterized in that condition of normal pressure benzene, chlorobenzene Dynamic Adsorption
Measure 400mg/g, iodine number 1100mg/g（Examination criteria GB/T 12496.8-1999）, loading density 0.5g/cm3, it is packed into absorption
Unit uses.Benzene Chloride tail gas benzene and chlorobenzene content 15000mg/m3, pass through the shell and tube of graphite modified polypropylene material first
Falling-film absorber, absorbing liquid are water, and system temperature is kept for 60 DEG C, system pressure 0.05Mpa；Again by spraying recovery unit and cold
Solidifying separative element recovery organic matter, spray recovery unit absorbing liquid are benzene, 20 DEG C of system temperature, condensation separation cellular system temperature
10℃；The absorbing unit for being filled with Benzene Chloride tail gas adsorption agent, 60 DEG C of system temperature are passed through again.
Certain enterprise 6w/a benzene chloride production devices, tail gas enter the chlorobenzene 1000ppm of 2000ppm containing benzene before absorbing unit, tail
Throughput 230m3/ h, absorbing unit loadings 6t, is emptied after absorption, wherein benzene=2mg/m3, chlorobenzene class=40mg/m3.Work
After duration 2000h, benzene=3.8mg/m3, chlorobenzene class=48.3mg/m3, close to limited value of discharge standard, the adsorbent desorption after use is adopted
2h is desorbed with 150 DEG C of steam, terminates rear nitrogen purging 2h.Repeat desorption number to see the table below with operating time, changed after being desorbed 5 times
Adsorbent.
| It is desorbed number | Operating time h | Benzene content mg/m3 | Chlorobenzene content mg/m3 |
| 0 | 2000 | 3.8 | 48.3 |
| 1 | 1800 | 3.7 | 49.1 |
| 2 | 1400 | 3.9 | 47.3 |
| 3 | 900 | 3.1 | 49.3 |
| 4 | 400 | 3.2 | 46.1 |
| 5 | 130 | 3.7 | 47.9 |
Embodiment 3
1mol/L phosphate aqueous solutions are prepared, by activated carbon by standing formal layout.Treatment conditions are phosphoric acid solution volume and work
Property charcoal volume ratio be 2:1,40 DEG C of temperature, time 12h.Filtered after end, it is 6.5 to be washed with deionized to pH, in 60 DEG C of bars
9h is dried under part, phosphoric acid is obtained and washes rear activated carbon.Prepare 0.2mol/L sodium permanganate solutions, the stream that pickle passes through active carbon bed
Stateization washing form load, condition is solution liquid hourly space velocity (LHSV) 20h-1, 20 DEG C of temperature, time 1h.Filtered after end in 400 DEG C of roastings
4h, Benzene Chloride tail gas adsorption agent is made, it is characterized in that condition of normal pressure benzene, chlorobenzene dynamic adsorbance 370mg/g, iodine number 1220mg/g
（Examination criteria GB/T 12496.8-1999）, loading density 0.5g/cm3, it is packed into absorbing unit use.Benzene Chloride tail gas benzene
With chlorobenzene content 13000mg/m3, first by the tube array falling film absorber of graphite material, absorbing liquid is water, and system temperature is protected
40 DEG C are held, system pressure 0.15Mpa；Organic matter is reclaimed by spraying recovery unit and condensation separation unit again, spray recovery is single
First absorbing liquid is benzene, -10 DEG C of system temperature, -20 DEG C of condensation separation cellular system temperature；It is passed through again and is filled with the suction of Benzene Chloride tail gas
Attached dose of absorbing unit, 30 DEG C of system temperature.
Certain enterprise 15w/a benzene chloride production devices, tail gas enter the chlorobenzene 1000ppm of 2500ppm containing benzene before absorbing unit, tail
Throughput 420m3/ h, absorbing unit loadings 10t, is emptied after absorption, wherein benzene=2mg/m3, chlorobenzene class=40mg/m3.Work
After duration 1800h, benzene=5.3mg/m3, chlorobenzene class=49.8mg/m3, close to limited value of discharge standard, the adsorbent desorption after use is adopted
2h is desorbed with 150 DEG C of steam, terminates rear nitrogen purging 2h.Repeat desorption number to see the table below with operating time, changed after being desorbed 4 times
Adsorbent.
| It is desorbed number | Operating time h | Benzene content mg/m3 | Chlorobenzene content mg/m3 |
| 0 | 1800 | 3.3 | 49.8 |
| 1 | 1500 | 3.9 | 48.3 |
| 2 | 1100 | 3.8 | 47.1 |
| 3 | 600 | 3.7 | 48.6 |
| 4 | 200 | 3.6 | 49.3 |
Claims (10)
1. a kind of preparation method of Benzene Chloride device exhaust adsorbent, it is characterized in that adsorbent is carrier from activated carbon, first match somebody with somebody
Oxyacid soln processed, in 60-120 DEG C of dry 6-12h after activated carbon pickling, filtering, washing to pH value 6-7；Preparation contains manganese Metal
Salting liquid, the activated carbon after processing is loaded by salting liquid containing manganese Metal, filtering, 2-6h is calcined under the conditions of 300-600 DEG C,
Adsorbent is made after roasting.
2. the preparation method of Benzene Chloride tail gas adsorption agent according to claim 1, it is characterized in that oxyacid soln is concentration
For the one or more in 0.5-5mol/L nitric acid, phosphoric acid, formic acid, acetic acid.
3. the preparation method of the Benzene Chloride tail gas adsorption agent according to claim 1 and 2, it is characterized in that the pickling side of activated carbon
Formula is one kind in three kinds,（1）Pickle passes through the fluidization wash of active carbon bed, treatment fluid liquid hourly space velocity (LHSV) 30-
60h-1, 20-40 DEG C of temperature, time 0.5-1h；（2）Activated carbon is placed in batch can, and batch can is placed in acid solution and stirred, pickle and work
Property charcoal volume ratio be 3:1-6:1, mixing speed 200-400r/min；（3）Stewing process, pickle liquid are with activated carbon volume ratio
1.5:1-2:1,30-60 DEG C of temperature, time 8-12h.
4. the preparation method of Benzene Chloride tail gas adsorption agent according to claim 1, it is characterized in that the salt containing manganese Metal is molten
The manganese concentration of liquid is 0.1-0.4mol/L；The salt containing manganese Metal is solution potassium permanganate, sodium permanganate, manganese nitrate, manganese acetate
In one or more.
5. the preparation method of the Benzene Chloride tail gas adsorption agent according to claim 1 and 4, it is characterized in that by the activity after processing
Charcoal is one kind in following three kinds by the mode of loading of salting liquid containing manganese Metal：（1）The fluidised form that pickle passes through active carbon bed
Change washing, load liquid liquid hourly space velocity (LHSV) 10-30h-1, 20-40 DEG C of temperature, time 1-2h；（2）Activated carbon is placed in batch can, in acid solution
Middle agitator treating, loaded liquid product are 3 with activated carbon volume ratio:1-6:1, mixing speed 200-300r/min, temperature 20-40
DEG C, time 4-8h；（3）Stand, loaded liquid product is 2 with activated carbon volume ratio:1-4:1,20-40 DEG C of temperature, time 10-16h.
6. adsorbent prepared by a kind of 1 preparation method of usage right requirement, it is characterized in that：Benzene, chlorobenzene move under condition of normal pressure
State adsorbance 300-400mg/g, iodine number >=1000mg/g, loading density 0.5g/cm3。
7. the tail gas recycle purification method of obtained adsorbent is stated in a kind of usage right requirement 1, it is characterized in that comprising the following steps：Chlorine
Change benzene tail gas and sour gas is absorbed by falling-film absorber, then by spraying and condensing recovery wherein after organic matter, into filling
The absorbing unit for having tail gas adsorption agent is handled.
8. the recovery and purification method of Benzene Chloride tail gas according to claim 7, it is characterized in that falling film absorption unit falling liquid film is inhaled
It is graphite or graphite modified polypropylene to receive equipment matter, and type is shell and tube, and absorbent is water, 30-60 DEG C of system temperature, pressure
0.05-0.3Mpa。
9. the recovery and purification method of Benzene Chloride tail gas according to claim 7, it is characterized in that by spraying and condensing recovery
Organic matter, spray recovery tower spray liquid are benzene, and temperature is kept for-20-20 DEG C；Condensation separation cell temperature is kept for-50-- 10 DEG C.
10. the recovery and purification method of Benzene Chloride tail gas according to claim 7, it is characterised in that adsorption tower temperature is kept
20-60 DEG C, when absorbing unit is desorbed, using 150-250 DEG C of steam blowing, desorption time 0.5-2h, terminate rear nitrogen purging 2-
6h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839828.5A CN107855102A (en) | 2016-09-22 | 2016-09-22 | The preparation method and tail gas recycle purification method of Benzene Chloride tail gas adsorption agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839828.5A CN107855102A (en) | 2016-09-22 | 2016-09-22 | The preparation method and tail gas recycle purification method of Benzene Chloride tail gas adsorption agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107855102A true CN107855102A (en) | 2018-03-30 |
Family
ID=61698619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839828.5A Pending CN107855102A (en) | 2016-09-22 | 2016-09-22 | The preparation method and tail gas recycle purification method of Benzene Chloride tail gas adsorption agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855102A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940195A (en) * | 2018-06-22 | 2018-12-07 | 马鞍山中粮生物化学有限公司 | A kind of porous carbon adsorbent and preparation method thereof |
| CN109420475A (en) * | 2017-08-23 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of adsorbent and preparation method thereof for adsorbing aromatic hydrocarbon substance |
| CN114345309A (en) * | 2022-01-24 | 2022-04-15 | 西南石油大学 | Benzene and benzene series adsorbent and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053922A1 (en) * | 2006-09-01 | 2008-03-06 | Honsinger Charles P Jr | Nanostructured materials comprising support fibers coated with metal containing compounds and methods of using the same |
| CN101314101A (en) * | 2008-07-21 | 2008-12-03 | 北京航空航天大学 | Air purification method combined of adsorption and heat catalytic oxidation regeneration in situ |
| CN102000548A (en) * | 2010-12-02 | 2011-04-06 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for preparing modified active carbon adsorbent of low-concentration organic waste gas |
| CN201940157U (en) * | 2011-03-01 | 2011-08-24 | 四川华英化工有限责任公司 | Tail gas absorption system |
| CN102441317A (en) * | 2011-10-25 | 2012-05-09 | 江苏诺盟化工有限公司 | Benzene chloride tail gas recovering and purifying method |
| CN105565416A (en) * | 2014-10-11 | 2016-05-11 | 中国石油化工股份有限公司 | Treatment method of chlorobenzene apparatus wastewater |
-
2016
- 2016-09-22 CN CN201610839828.5A patent/CN107855102A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053922A1 (en) * | 2006-09-01 | 2008-03-06 | Honsinger Charles P Jr | Nanostructured materials comprising support fibers coated with metal containing compounds and methods of using the same |
| CN101314101A (en) * | 2008-07-21 | 2008-12-03 | 北京航空航天大学 | Air purification method combined of adsorption and heat catalytic oxidation regeneration in situ |
| CN102000548A (en) * | 2010-12-02 | 2011-04-06 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for preparing modified active carbon adsorbent of low-concentration organic waste gas |
| CN201940157U (en) * | 2011-03-01 | 2011-08-24 | 四川华英化工有限责任公司 | Tail gas absorption system |
| CN102441317A (en) * | 2011-10-25 | 2012-05-09 | 江苏诺盟化工有限公司 | Benzene chloride tail gas recovering and purifying method |
| CN105565416A (en) * | 2014-10-11 | 2016-05-11 | 中国石油化工股份有限公司 | Treatment method of chlorobenzene apparatus wastewater |
Non-Patent Citations (1)
| Title |
|---|
| WEI TIAN ET AL.: ""Low-temperature catalytic oxidation of chlorobenzene over MnOx/TiO2-CNTs nano-composites prepared by wet synthesis methods"", 《CATALYSIS COMMUNICATIONS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420475A (en) * | 2017-08-23 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of adsorbent and preparation method thereof for adsorbing aromatic hydrocarbon substance |
| CN108940195A (en) * | 2018-06-22 | 2018-12-07 | 马鞍山中粮生物化学有限公司 | A kind of porous carbon adsorbent and preparation method thereof |
| CN114345309A (en) * | 2022-01-24 | 2022-04-15 | 西南石油大学 | Benzene and benzene series adsorbent and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107051144A (en) | The processing method and system of a kind of organic exhaust gas containing cyanogen | |
| CN100509137C (en) | Preparation of iron-managanese compounded oxide/diatomite adsorbant, using and regenerating method thereof | |
| CN101721884B (en) | Smoke desulphurization agent and smoke desulphurization method | |
| CN103611496B (en) | A kind of magnetic carbon-supported catalyst and application | |
| CN106943871B (en) | Method for removing multi-pollutants in flue gas by low-temperature gas-phase catalytic oxidation | |
| CN107855102A (en) | The preparation method and tail gas recycle purification method of Benzene Chloride tail gas adsorption agent | |
| CN103265988B (en) | Method for purifying natural gas | |
| CN104741088A (en) | Method for preparing fluorine-containing wastewater defluorinating agent Fe-Al bimetallic organic framework compound | |
| CN104548903A (en) | Organic amine solvent for capturing carbon dioxide | |
| WO2020098505A1 (en) | Nitrogen oxide absorbent slurry, preparation method therefor and use method thereof | |
| CN107552067A (en) | A kind of material for water treatment and its application | |
| CN107486136A (en) | A kind of method of nickel and chlorinatedorganic combined pollution in repairing environment water body | |
| CN107008323A (en) | A kind of activated-carbon catalyst preparation method for flue gas desulfurization and denitrification | |
| CN109574835A (en) | A kind of method of ion modification activity carbon decoloring polyesterols solution product BHET | |
| CN206823509U (en) | A kind of processing system of the organic exhaust gas containing cyanogen | |
| CN105170199B (en) | A kind of regeneration method of coal gasification waste water deep oxidation catalyst | |
| CN106000075B (en) | The purification absorption of chlorinated exhaust and circulation utilization method and device in benzene chloridization process | |
| CN111704344A (en) | Acid pickling process waste zero-emission recycling treatment device and process | |
| CN108079737A (en) | A kind of preparation method of multi-stage porous formaldehyde adsorbent | |
| CN109420475A (en) | A kind of adsorbent and preparation method thereof for adsorbing aromatic hydrocarbon substance | |
| CN104001407A (en) | Acidolysis waste gas recycling system | |
| CN101695654A (en) | Regeneration method for waste active carbon in production of glycine | |
| CN108176415A (en) | A kind of air purification raw material of wood-charcoal cleans regenerative use technology | |
| CN105457614A (en) | Preparation method of copper ion adsorbent based on metal-organic framework material | |
| CN214287408U (en) | Dichloromethane waste gas treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180330 |
|
| RJ01 | Rejection of invention patent application after publication |