CN107008107A - The comprehensive processing method and its processing unit of a kind of phenmethylol production waste gas - Google Patents
The comprehensive processing method and its processing unit of a kind of phenmethylol production waste gas Download PDFInfo
- Publication number
- CN107008107A CN107008107A CN201710233221.7A CN201710233221A CN107008107A CN 107008107 A CN107008107 A CN 107008107A CN 201710233221 A CN201710233221 A CN 201710233221A CN 107008107 A CN107008107 A CN 107008107A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- water
- tower
- absorption
- activated carbon
- 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.)
- Granted
Links
Abstract
A kind of phenmethylol produces the comprehensive processing method of waste gas, it is characterized in that this method includes following steps：A：The waste gas that benzyl chloride hydrolytic process is produced, enters normal temperature spray-absorption after collection；The waste gas come out from normal temperature spray-absorption enters back into the absorption process of freezing spray micro activated carbon particle；The waste gas come out from freezing spray-absorption enters back into activated carbon tower absorption process；D：The waste gas come out from charcoal absorption is again that 48% sodium hydroxide liquid absorbs by volumetric concentration, and all waste gas are absorbed completely, the hydrolysis of the sodium carbonate reuse of generation to benzyl chloride.
Description
Technical field
The present invention relates to the exhaust-gas treatment field in industrial production, the comprehensive processing method that a kind of phenmethylol produces waste gas is referred specifically to
And its processing unit.
Background technology
Phenmethylol（Also known as benzylalcohol, hydroxy-methylbenzene）, it is highly useful chemical intermediate, is widely used in curing agent, dilution
The industries such as agent, spices and essence.Obtained mostly using benzyl chloride with soda ash reaction generation both at home and abroad at present, reaction can produce substantial amounts of
The carbon dioxide produced in waste gas, mainly hydrolytic process, and a small amount of benzyl chloride and phenmethylol volatilized, due to benzyl chloride gas
The strong and stimulating of body, waste gas directly discharge can not only pollute air, and huge injury can be caused to human body.Many productions at present
The treatment facility of producer is all difficult to thoroughly solve the pollution problems such as waste gas, waste water, with the development of the social economy, environmental issue is
The problem of through becoming very important, emission reduction even zero-emission turns into society and basic demand of the government to chemical enterprise.
In consideration of it, the present invention proposes comprehensive processing method and its place of a kind of phenmethylol large-scale industrial production waste gas
Device is managed, the waste gas in production not only can be thoroughly solved the problems, such as by this method, the standard of zero-emission is reached, and can also be right
Waste water is recycled, and advantageously reduces cost.
The content of the invention
It is an object of the present invention to provide a kind of comprehensive processing method of phenmethylol production waste gas and its processing unit, to solve benzene
Waste gas problem in methanol production process, realizes the technical problems such as zero-emission truly.
In order to thoroughly solve the problems, such as the waste gas in phenmethylol production process, zero-emission truly, the present invention are realized
Propose the comprehensive processing method that a kind of phenmethylol produces waste gas, by this method not only can by whole waste gas absorptions, and
The waste water produced in processing procedure all can be with recycling, it is to avoid secondary pollution.
The present invention is adopted the following technical scheme that：A kind of phenmethylol produces the comprehensive processing method of waste gas, it is characterized in that the party
Method includes following steps：A：The waste gas that benzyl chloride hydrolytic process is produced, enters normal temperature spray-absorption, normal temperature after collection
Add the mixture of triethanolamine and quaternary ammonium base in shower water, mixture account for the mass ratio of normal temperature shower water for 0.001-
0.002, the process can absorb most benzyl chloride in waste gas, the hydrolysis of the waste water recycling of generation to benzyl chloride；
B：The waste gas come out from normal temperature spray-absorption enters back into the absorption process of freezing spray micro activated carbon particle, during being somebody's turn to do, spray
The low temperature chilled water gone out has added the black tropine of mass ratio 0.001-0.002, absorbs 90% remaining organic gas in waste gas, produces
Waste water recycling to benzyl chloride hydrolysis；
C：The waste gas come out from freezing spray-absorption enters back into activated carbon tower absorption process, and activated carbon utilizes its physical adsorption process
It can not will be adsorbed in waste gas by the organic gas of spray-absorption, the waste water recycling that regenerating active carbon process is produced to benzyl chloride
Hydrolysis；The a diameter of 2.0-2.8mm of micro activated carbon particle；
D：The waste gas come out from charcoal absorption absorbs by volumetric concentration for 48% sodium hydroxide liquid again, all waste gas quilts
Absorb complete, the hydrolysis of the sodium carbonate reuse of generation to benzyl chloride.
Preferably, the normal temperature spray-absorption process is sprayed using normal temperature soft water, the soft water after absorption is matched somebody with somebody
Alkali participates in benzyl chloride hydrolysis.
Preferably, the freezing spray process is sprayed using soft water, the chilled salt solution heat exchange cooling of soft water
After use, low temperature soft water after absorption carries out participating in benzyl chloride hydrolysis with alkali.
Preferably, described regenerating active carbon process uses high-temperature steam, the condensed waste water of steam participates in benzyl chloride
Hydrolysis.
It is a kind of to realize the processing unit that above-mentioned phenmethylol produces the waste gas comprehensive regulation, including off-gas buffer tank, normal temperature spray
Tower, freezing spray column, heat exchanger, refrigerator, brine tank, charcoal trap, absorbing by liquid caustic soda tower, it is characterized in that the waste gas is slow
Rush tank to be connected with normal temperature spray tower bottom, normal temperature spray column top exit is connected with freezing spray tower bottom, freezing spray tower top
Portion outlet is connected with activated carbon tower bottom, and activated carbon tower top exit is connected with absorbing by liquid caustic soda tower bottom.Preferably, described normal
Regular corrugation ceramic filling material is loaded in warm spray column, freezing spray column and absorbing by liquid caustic soda tower.
Preferably, the heat exchanger is provided with cooling water inlet and coolant outlet, the cooling water inlet passes through circulation
Pump is connected with brine tank, and brine tank is connected with refrigerator, and the coolant outlet is connected with brine tank.
Preferably, the activated carbon tower is two, an absorption a, parsing is used alternatingly.
Preferably, the activated carbon tower is furnished with a condenser and steam pipe system, for being solved to activated carbon
Analysis regeneration.
Preferably, the normal temperature spray column, freezing spray column adsorption system, activated carbon tower, absorbing by liquid caustic soda tower bottom are equal
Provided with wastewater discharge pipe, it is connected after each wastewater discharge pipe is in parallel with wastewater collection tank；The wastewater collection tank is also inhaled with a waste water
Attached system connection, the waste water adsorption system includes first, second, third adsorbent equipment and two grades, three-level raw water tank, and described the
First, it is equipped with temperature sensor in adsorption tower in second, third adsorbent equipment；
The adsorbent equipment includes the first adsorption tower and the second adsorption tower, condenser, parsing water pot, steam pipe, raw water tubes, described
Resin is supported in first adsorption tower and the second adsorption tower adsorption tower using multiple water caps, the gap of water cap is handed over less than polystyrene
Join the diameter of resin；
First adsorption tower and second absorption tower top provided with processing water outlet pipe, raw water tubes respectively with the first adsorption tower and second
Adsorb and be connected at the top of tower bottom connection, Boiler Steam pipe and the first described adsorption tower and the second adsorption tower, the first adsorption tower with
It is connected after second adsorption tower bottom steam output pipe is in parallel with condenser；The first adsorbent equipment processing water outlet pipe and two grades of originals
Water fills connection, and two grades of raw waters are filled to be connected with the raw water tubes of the second adsorbent equipment；Second adsorbent equipment processing water outlet pipe with
Three-level raw water fills connection；Three-level raw water is filled and is connected with the raw water tubes of the 3rd adsorbent equipment；The first, second, third absorption dress
The steam output pipe put is connected with three condenser air inlets respectively, is connected after three leaving condenser waters mouthful are in parallel with parsing water pot
Connect.
The present invention proposes the comprehensive processing method and its processing unit of a kind of phenmethylol large-scale industrial production waste gas,
By this method not only can by whole waste gas absorptions, and the waste water produced in processing procedure all can with recycling,
Avoid secondary pollution.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, technical scheme is described in further detail.
Fig. 1 is the structural representation of apparatus of the present invention.
Embodiment
Fig. 1 is the structural representation of apparatus of the present invention.As seen from the figure, the device of the phenmethylol production waste gas comprehensive regulation includes
Off-gas buffer tank 1, normal temperature spray column 2, freezing spray column 3, heat exchanger, refrigerator, brine tank, charcoal trap 5, liquid caustic soda are inhaled
Tower 6 is received, wherein regular corrugation ceramic filling material 7 is loaded in normal temperature spray column 2, freezing spray column 3 and absorbing by liquid caustic soda tower 6.
Off-gas buffer tank 1 is connected with the bottom of normal temperature spray column 2, the top exit of normal temperature spray column 2 and freezing spray column 3 bottom
Connection, the freezing top exit of spray column 3 is connected with the bottom of charcoal trap 5, and the top exit of charcoal trap 5 is inhaled with liquid caustic soda
Receive the connection of the bottom of tower 6.
Heat exchanger 30 is provided with cooling water inlet 32 and coolant outlet 33, and cooling water inlet 32 passes through circulating pump 31 and salt solution
Case is connected, and brine tank is connected with refrigerator, and coolant outlet 33 is connected with brine tank.
Charcoal trap 5 is provided with two, and one is used to adsorb, and one is used to parse, and is used alternatingly；Activated carbon absorbs
Tower 5 is furnished with a condenser and steam pipe system 52, for carrying out parsing regeneration to activated carbon.
Its operation principle is：Main component is carbon dioxide, chlorine in the waste gas produced from benzyl chloride hydrolysis, waste gas
Change the gases such as benzyl, phenmethylol, benzaldehyde.Waste gas is pooled in off-gas buffer tank 1 first, then from the bottom of normal temperature spray absorber 2
Portion's air inlet enters in tower, and normal temperature spray absorber 2 uses normal temperature soft water, and normal temperature soft water is continuously transported to tower by pump
The mixture of triethanolamine and quaternary ammonium base is added in top, normal temperature shower water and the waste gas counter current contact of ejection, normal temperature shower water, is mixed
The mass ratio that compound accounts for normal temperature shower water is 0.001-0.002, and the absorption spray phase can absorb most organic in waste gas
Gas.Meanwhile, continuously moisturizing and water outlet are carried out to following absorption water tank, it is ensured that the continuity of absorption spraying effect,
The waste water that delivery port comes out enters wastewater collection tank.
By normal temperature spray column 2 absorb after waste gas again from freezing spray column 3 bottom inlet enter tower in, by spray inhale
The waste gas of receipts enters back into freezing spray process, and normal temperature soft water is continuously transported to the freezing tower top of spray column 3 by pump, in tower
Interior and waste gas counter current contact.Unlike, soft water can be down to 0-3 DEG C after refrigerator exchanges heat, and chilled water has added mass ratio
0.001-0.002 black tropine, there is more preferable assimilation effect to organic gas, and the stage can be 90% remaining in basic absorption waste gas
Organic gas, meanwhile, continuously moisturizing and water outlet are carried out to following brine tank, it is ensured that absorption spraying effect it is continuous
Property, the waste water that delivery port comes out enters wastewater collection tank.
The waste gas come out from freezing spray column 3 enters the bottom of charcoal trap 5 by pipeline fan again, from lower
In upper absorption process, it can not will be adsorbed using activated carbon physical adsorption process in waste gas by the organic gas of spray-absorption, it is living
The a diameter of 2.0-2.8mm of property carbon particle.Regenerating active carbon process uses high-temperature steam, and the condensed waste water of steam participates in benzyl chloride
Hydrolysis.
By the absorption of charcoal trap 5, the organic gas in waste gas is adsorbed completely, and charcoal trap 5 is suction
The pattern that attached-parsing is used alternatingly, when a tower absorption, another tower is parsed with high-temperature steam, the height parsed
Warm waste gas enters wastewater collection tank after being condensed by condenser 61.
The waste gas adsorbed from charcoal trap 5 is entered in absorbing by liquid caustic soda tower 6 by its top gas outlet, volumetric concentration
Be 48% sodium hydroxide liquid by being pumped at the top of spray column, carry out counter current contact with waste gas, the process will be remaining in waste gas
Carbon dioxide all sponge.The soda ash solution that liquid caustic soda is produced with carbon dioxide reaction, waste water tank is entered by delivery port,
When the PH of liquid caustic soda water tank is less than setting value, liquid caustic soda is added by mending alkali mouthful.
Normal temperature spray column 2, freezing spray column 3, charcoal trap 5, the bottom of absorbing by liquid caustic soda tower 6 are equipped with discharge of wastewater
Pipe, is connected after each parallel connection of wastewater discharge pipe 21,34,51,61 with wastewater collection tank.Waste water in wastewater collection tank can be used for chlorination
The hydrolysis of benzyl, can also enter the processing of waste water adsorption system,
The waste water adsorption system includes first, second, third adsorbent equipment and two grades, three-level raw water tank, first, second, third
Temperature sensor 42 is equipped with adsorbent equipment in adsorption tower.
Wherein the first adsorbent equipment includes the first adsorption tower A1 and the second adsorption tower A2, condenser, parsing water pot, steam pipe
44th, raw water tubes 46.Resin 4, the seam of water cap 41 are supported using multiple water caps 41 in first adsorption tower A1 and the second adsorption tower A2
Gap is less than the diameter of polystyrene crosslinked resin 4；First adsorption tower A1 and the second adsorption tower A2 tops are provided with processing water outlet pipe 45,
Raw water tubes 46 are connected with the first adsorption tower A1 and the second adsorption tower A2 bottoms respectively, the adsorption tower A1 of steam pipe 44 and first and second
Connect, be connected after the first adsorption tower A1 and the parallel connection of the second adsorption tower A2 bottoms steam output pipe 47 with condenser at the top of adsorption tower A2.
First adsorbent equipment processing water outlet pipe 45 is filled with two grades of raw waters to be connected, and two grades of raw waters fill the raw water tubes 48 with the second adsorbent equipment
Connection；Second adsorbent equipment processing water outlet pipe 481 is filled with three-level raw water to be connected；Three-level raw water fills the original with the 3rd adsorbent equipment
Water pipe 49 is connected.The steam output pipe 47,481,491 of first, second, third adsorbent equipment respectively with three condenser air inlets
Connection, is connected after three leaving condenser waters mouthful are in parallel with parsing water pot.
One-level raw water enters the first adsorption tower A1 bottom by one-level raw water tubes 46 in waste water, then equal by water cap 41
Even by polystyrene crosslinked resin 4, flow is 2-3BV/h, and the water outlet of the first adsorbent equipment processing water outlet pipe 45 is from tower top
To two grades of raw water tanks, when water outlet containing alcohol >=0.1%, stop the first adsorption tower A1 absorption, be transferred to resolving, switch simultaneously
Continue to adsorb to the second adsorption tower A2.
During the first adsorption tower A1 is adsorbed, the second adsorption tower A2 is in analysis state.High temperature from boiler steams
Vapour enters in tower from the second adsorption tower A2 top, and the phenmethylol of resin adsorption is eluted out by high-temperature steam, and desorption temperature is
130 ~ 140 DEG C, high-temperature steam is condensed by bottom steam output pipe 47 from bottom of towe into condenser, finally enters parsing water pot, when
From the solution bleed containing alcohol that condenser comes out≤0.001% when, it is believed that parsing is complete, stops steam cooling condensation, and A2 adsorption towers are in
State to be adsorbed.First adsorption tower A1 and the second adsorption tower A2 belong to the tower in parallel of primary adsorption, and one adsorbs, a parsing,
It is used alternatingly, it is ensured that the continuity of primary adsorption.
Second level adsorbent equipment and third level adsorbent equipment are similar with primary adsorption.Two grades from first order adsorbent equipment
Raw water enters two grade of first adsorption tower B1, when water outlet containing alcohol >=0.05%, stops absorption.When two grade of first adsorption tower B1 inhales
When attached, two grade of second adsorption tower B2 is in analysis state, and two grade of first adsorption tower B1 and the second adsorption tower B2 adsorption towers alternately make
With, it is ensured that the continuity of secondary absorption, secondary absorption water outlet COD is 300 ~ 500mg/l.Three-level from second level adsorbent equipment
Raw water enters three-level the first adsorption tower C1, when water outlet containing alcohol >=0.01%, stops absorption.When the first adsorption tower of three-level C1 inhales
During attached tower absorption, the second adsorption tower of three-level C2 is in analysis state, and three-level the first adsorption tower C1 and the second adsorption tower C2 alternately make
With, it is ensured that the continuity of three-level absorption, the mg/l of three-level absorption water outlet COD ＜ 100.
Phenmethylol waste water containing alcohol ＜ 0.01% by three-level resin adsorption, the rate of recovery reaches 99%；Parse simultaneously
Bleed is solved after sedimentation layering, lower floor's oil phase obtains phenmethylol by rectifying, upper strata solution bleed can be used for participating in chlorine with alkali
Change the hydrolytic process of benzyl；The waste water COD ＜ 100mg/l adsorbed by three-level, reach discharging standards.
Normal temperature more than absorbs, freezing absorbs, activated carbon absorbs and absorbing by liquid caustic soda process.Benzyl chloride hydrolytic process is produced
Raw waste gas is all absorbed complete, reaches the standard of zero-emission, meanwhile, the various waste water that the process is produced are adsorbed by three-level
Waste water COD ＜ 100mg/l, reach discharging standards, it is to avoid secondary pollution.
Waste water COD of the present invention can be recycled up to discharging standards, and equipment, be conducive to enterprise to save production
Cost.The removal process of phenmethylol uses the physical absorption ability of resin, does not add other chemical reagent；Resin is stripped
Cheng Caiyong high-temperature steams, other chemical impurities are not introduced in system；All processes use the side that absorption-parsing is used alternatingly
Formula, it is ensured that the continuity of adsorption process, operates steadily；The solution bleed that resolving is produced can be used for participating in matching somebody with somebody alkali, not have
Unnecessary waste water is produced, the phenmethylol of recovery is reentered into system, reclaimed by rectifying.
Finally it is pointed out that above embodiment is only the more representational example of invention.Obviously, the present invention not
It is limited to above-mentioned embodiment, there can also be many deformations.Every technical spirit according to the present invention is embodied to more than
Any simple modification, equivalent variations and modification that mode is made, are considered as belonging to protection scope of the present invention.
Claims (9)
1. a kind of phenmethylol produces the comprehensive processing method of waste gas, it is characterized in that this method includes following steps：A：By chlorine
Change the waste gas that benzyl hydrolytic process is produced, enter after collection and triethanolamine and season are added in normal temperature spray-absorption, normal temperature shower water
The mixture of ammonium alkali, the mass ratio that mixture accounts for normal temperature shower water is 0.001-0.002, and the process can absorb big in waste gas
Partial benzyl chloride, the hydrolysis of the waste water recycling of generation to benzyl chloride；
B：The waste gas come out from normal temperature spray-absorption enters back into the absorption process of freezing spray micro activated carbon particle, during being somebody's turn to do, spray
The low temperature chilled water gone out has added the black tropine of mass ratio 0.001-0.002, absorbs 90% remaining organic gas in waste gas, produces
Waste water recycling to benzyl chloride hydrolysis；
C：The waste gas come out from freezing spray-absorption enters back into activated carbon tower absorption process, and activated carbon utilizes its physical adsorption process
It can not will be adsorbed in waste gas by the organic gas of spray-absorption, the waste water recycling that regenerating active carbon process is produced to benzyl chloride
Hydrolysis；The a diameter of 2.0-2.8mm of micro activated carbon particle；
D：The waste gas come out from charcoal absorption absorbs by volumetric concentration for 48% sodium hydroxide liquid again, all waste gas quilts
Absorb complete, the hydrolysis of the sodium carbonate reuse of generation to benzyl chloride.
2. phenmethylol according to claim 1 produces the comprehensive processing method of waste gas, it is characterized in that normal temperature spray is inhaled
Receipts process is sprayed using normal temperature soft water, and the soft water after absorption carries out participating in benzyl chloride hydrolysis with alkali.
3. phenmethylol according to claim 1 produces the comprehensive processing method of waste gas, it is characterized in that the freezing was sprayed
Cheng Caiyong soft water is sprayed, and is used after the chilled salt solution heat exchange cooling of soft water, the low temperature soft water after absorption carries out matching somebody with somebody alkali
Participate in benzyl chloride hydrolysis.
4. phenmethylol according to claim 1 produces the comprehensive processing method of waste gas, it is characterized in that described activated carbon is again
Raw process uses high-temperature steam, and the condensed waste water of steam participates in benzyl chloride hydrolysis.
5. the processing unit that phenmethylol described in claim 1 produces the waste gas comprehensive regulation is realized a kind of, including off-gas buffer tank, often
Warm spray column, freezing spray column, heat exchanger, refrigerator, brine tank, charcoal trap, absorbing by liquid caustic soda tower, it is characterized in that described
Off-gas buffer tank is connected with normal temperature spray tower bottom, and normal temperature spray column top exit is connected with freezing spray tower bottom, freezing spray
Drench top of tower outlet to be connected with activated carbon tower bottom, activated carbon tower top exit is connected with absorbing by liquid caustic soda tower bottom；Preferably,
Regular corrugation ceramic filling material is loaded in the normal temperature spray column, freezing spray column and absorbing by liquid caustic soda tower.
6. phenmethylol according to claim 5 produces the comprehensive processing method of waste gas, it is characterized in that the heat exchanger is provided with
Cooling water inlet and coolant outlet, the cooling water inlet are connected by circulating pump with brine tank, and brine tank connects with refrigerator
Connect, the coolant outlet is connected with brine tank.
7. phenmethylol according to claim 5 produces the comprehensive processing method of waste gas, it is characterized in that the activated carbon tower is
Two, an absorption a, parsing is used alternatingly.
8. phenmethylol according to claim 5 produces the comprehensive processing method of waste gas, it is characterized in that the activated carbon tower is matched somebody with somebody
There are a condenser and steam pipe system, for carrying out parsing regeneration to activated carbon.
9. phenmethylol according to claim 7 produces the comprehensive processing method of waste gas, it is characterized in that the normal temperature spray column,
Freezing spray column adsorption system, activated carbon tower, absorbing by liquid caustic soda tower bottom are equipped with wastewater discharge pipe, after each wastewater discharge pipe is in parallel
It is connected with wastewater collection tank；The wastewater collection tank is also connected with a waste water adsorption system, the waste water adsorption system include first,
It is equipped with second, third adsorbent equipment and two grades, three-level raw water tank, first, second, third adsorbent equipment in adsorption tower
Temperature sensor；
The adsorbent equipment includes the first adsorption tower and the second adsorption tower, condenser, parsing water pot, steam pipe, raw water tubes, described
Resin is supported in first adsorption tower and the second adsorption tower adsorption tower using multiple water caps, the gap of water cap is handed over less than polystyrene
Join the diameter of resin；
First adsorption tower and second absorption tower top provided with processing water outlet pipe, raw water tubes respectively with the first adsorption tower and second
Adsorb and be connected at the top of tower bottom connection, Boiler Steam pipe and the first described adsorption tower and the second adsorption tower, the first adsorption tower with
It is connected after second adsorption tower bottom steam output pipe is in parallel with condenser；The first adsorbent equipment processing water outlet pipe and two grades of originals
Water fills connection, and two grades of raw waters are filled to be connected with the raw water tubes of the second adsorbent equipment；Second adsorbent equipment processing water outlet pipe with
Three-level raw water fills connection；Three-level raw water is filled and is connected with the raw water tubes of the 3rd adsorbent equipment；The first, second, third absorption dress
The steam output pipe put is connected with three condenser air inlets respectively, is connected after three leaving condenser waters mouthful are in parallel with parsing water pot
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233221.7A CN107008107B (en) | 2017-04-11 | 2017-04-11 | Comprehensive treatment method and treatment device for waste gas in benzyl alcohol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233221.7A CN107008107B (en) | 2017-04-11 | 2017-04-11 | Comprehensive treatment method and treatment device for waste gas in benzyl alcohol production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107008107A true CN107008107A (en) | 2017-08-04 |
| CN107008107B CN107008107B (en) | 2021-04-30 |
Family
ID=59446361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710233221.7A Active CN107008107B (en) | 2017-04-11 | 2017-04-11 | Comprehensive treatment method and treatment device for waste gas in benzyl alcohol production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107008107B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557964A (en) * | 2018-12-27 | 2019-04-02 | 南通江天化学股份有限公司 | A kind of dcs of high-concentration formaldehyde production line |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007220A (en) * | 2006-12-22 | 2007-08-01 | 南京大学 | Industrial ion exchange or adsorption resin column |
| CN101050165A (en) * | 2007-05-21 | 2007-10-10 | 鄂州海丰化工实业有限公司 | Wastewater treatment for benzoic alcohol, and technique for recovering benzoic alcohol |
| CN101199912A (en) * | 2006-12-13 | 2008-06-18 | 天津市中宝制药有限公司 | Formaldehyde gas absorber |
| CN105498446A (en) * | 2016-01-08 | 2016-04-20 | 浙江大学 | Method for recycling organic matter through organic waste gas adsorption, steam desorption and fractional condensation |
| US20160304416A1 (en) * | 2013-12-02 | 2016-10-20 | Braskem S.A. | Fermentation hydrocarbon gas products separation via membrane |
| CN205760480U (en) * | 2016-07-16 | 2016-12-07 | 湖北绿色家园精细化工股份有限公司 | The device for absorbing tail gas that a kind of benzyl alcohol produces |
| CN106178846A (en) * | 2016-08-29 | 2016-12-07 | 南通星辰合成材料有限公司 | Epoxy resin reduces the exhaust system of ECH organic tail gas in producing |
| CN106219852A (en) * | 2016-02-24 | 2016-12-14 | 湖北绿色家园精细化工股份有限公司 | A kind of benzyl alcohol produces wastewater comprehensive treatment new method and device thereof |
-
2017
- 2017-04-11 CN CN201710233221.7A patent/CN107008107B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101199912A (en) * | 2006-12-13 | 2008-06-18 | 天津市中宝制药有限公司 | Formaldehyde gas absorber |
| CN101007220A (en) * | 2006-12-22 | 2007-08-01 | 南京大学 | Industrial ion exchange or adsorption resin column |
| CN101050165A (en) * | 2007-05-21 | 2007-10-10 | 鄂州海丰化工实业有限公司 | Wastewater treatment for benzoic alcohol, and technique for recovering benzoic alcohol |
| US20160304416A1 (en) * | 2013-12-02 | 2016-10-20 | Braskem S.A. | Fermentation hydrocarbon gas products separation via membrane |
| CN105498446A (en) * | 2016-01-08 | 2016-04-20 | 浙江大学 | Method for recycling organic matter through organic waste gas adsorption, steam desorption and fractional condensation |
| CN106219852A (en) * | 2016-02-24 | 2016-12-14 | 湖北绿色家园精细化工股份有限公司 | A kind of benzyl alcohol produces wastewater comprehensive treatment new method and device thereof |
| CN205760480U (en) * | 2016-07-16 | 2016-12-07 | 湖北绿色家园精细化工股份有限公司 | The device for absorbing tail gas that a kind of benzyl alcohol produces |
| CN106178846A (en) * | 2016-08-29 | 2016-12-07 | 南通星辰合成材料有限公司 | Epoxy resin reduces the exhaust system of ECH organic tail gas in producing |
Non-Patent Citations (2)
| Title |
|---|
| 徐寿昌: "《有机化学 第2版》", 30 June 1993, 高等教育出版社 * |
| 梁彤祥等: "《清洁能源材料导论》", 31 August 2003, 哈尔滨工业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557964A (en) * | 2018-12-27 | 2019-04-02 | 南通江天化学股份有限公司 | A kind of dcs of high-concentration formaldehyde production line |
| CN109557964B (en) * | 2018-12-27 | 2020-09-29 | 南通江天化学股份有限公司 | Distributed control system of high-concentration formaldehyde production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107008107B (en) | 2021-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5945333B2 (en) | Carbon dioxide recovery method and apparatus for power plant flue gas | |
| CN103303877B (en) | Many sources of the gas low concentration SO 2smoke comprehensive reclaims acid-making process flow process | |
| CN103724155B (en) | A kind of production technique of propenyl chloride | |
| WO2021129566A1 (en) | Device and method for preparing high-purity hydrogen and/or oxygen by electrolyzing water | |
| CN104722177B (en) | A kind of carbon dioxide capture system for concentrating conversion and electrolytic regeneration | |
| CN106865860A (en) | Energy recovery type Catalytic Wet Air Oxidation for Wastewater processing unit and method of wastewater treatment | |
| CN207313355U (en) | A kind of high ammonia-nitrogen wastewater processing and resource recovery equipment | |
| CN209630847U (en) | A kind of smoke stack emission gas collecting carbonic anhydride recyclable device | |
| CN106955569A (en) | A kind of hydrate continuously traps CO in cement kiln flue gas2Method | |
| CN104211244A (en) | Method for gas membrane-process treatment of ammonia-containing feed liquid or wastewater with renewable absorbent and by-producted strong aqua ammonia | |
| CN106315726B (en) | A kind of biogas slurry decarburization combining deamination system | |
| CN207533016U (en) | A kind of dichloromethane tail gas resource utilization device | |
| CN104860465B (en) | Double-tower catalysis thermal-coupling reflux deamination method and deamination device thereof | |
| CN107008133A (en) | Phenmethylol produces waste gas and integrated wastewater treatment plant | |
| CN104030379B (en) | A kind of vaporizer processing oily(waste)water | |
| CN107008107A (en) | The comprehensive processing method and its processing unit of a kind of phenmethylol production waste gas | |
| CN108658095A (en) | The energy-saving reclaiming process and system that a kind of ammonium hydroxide recycling concentration is easily adjusted | |
| CN104724776A (en) | Device and method for mixing secondary steam into pressurized water in pressurized evaporation | |
| CN109319736A (en) | Ammonia tank periodic off-gases recyclable device and its technique | |
| CN106379952A (en) | Apparatus and process for treating ammonia nitrogen wastewater and recycling ammonia | |
| CN208130543U (en) | The de- analysis purification device of hydrogen chloride in a kind of chloroethanes production process | |
| CN205760480U (en) | The device for absorbing tail gas that a kind of benzyl alcohol produces | |
| CN207266825U (en) | A kind of acid gas absorption device | |
| CN108525469A (en) | The processing system and its processing method of tail gas in a kind of Production of PVC | |
| CN204644037U (en) | A kind of device adopting high-efficiency evaporating art breading coking chemical waste water |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |