CN106237646B - A kind of cumyl peroxide condensation tail gas closed circuit circulatory system - Google Patents
A kind of cumyl peroxide condensation tail gas closed circuit circulatory system Download PDFInfo
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- CN106237646B CN106237646B CN201610751726.8A CN201610751726A CN106237646B CN 106237646 B CN106237646 B CN 106237646B CN 201610751726 A CN201610751726 A CN 201610751726A CN 106237646 B CN106237646 B CN 106237646B
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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
- B01D53/002—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 condensation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C407/00—Preparation of peroxy compounds
- C07C407/003—Separation; Purification; Stabilisation; Use of additives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C409/00—Peroxy compounds
- C07C409/16—Peroxy compounds the —O—O— group being bound between two carbon atoms not further substituted by oxygen atoms, i.e. peroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0225—Other waste gases from chemical or biological warfare
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/10—Gas phase, e.g. by using aerosols
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a kind of cumyl peroxides to be condensed tail gas closed circuit circulatory system,Including condensation kettle,Tail gas air bag,First condenser,Second condenser,Third condenser,Water ring vacuum pump,The top gas outlet of condensation kettle is connect by pipeline with the air inlet of the first condenser,The gas outlet of first condenser is connected by the air inlet of pipeline and water ring vacuum pump,The gas outlet of water ring vacuum pump is connect by pipeline with the air inlet of the second condenser,The gas outlet of two condensers is connect by pipeline with the import of tail gas air bag,The outlet of tail gas air bag is connected by the bottom drain of pipeline and condensation kettle,The outlet at bottom of tail gas air bag is connected with condensate liquid recovery channel,Water ring vacuum pump has been sequentially connected in series third condenser,Circulating water pool,Booster water pump,And water ring vacuum pump,Third condenser,Circulating water pool,Booster water pump forms closed circuit.Present invention process is simple, low energy consumption, non-secondary pollution and can realize that circulation of tail gas utilizes.
Description
Technical field
The present invention relates to a kind of cumyl peroxides to be condensed tail gas closed circuit circulatory system.
Background technology
Cumyl peroxide（Abbreviation DCP）As excellent in the high molecular materials such as natural gum, rubber polymer, polyvinyl resin
Initiator, vulcanizing agent and crosslinking agent, be widely used in chemical industry.Currently, industrial mainly using isopropylbenzene as raw material, oxygen
Change obtains cumyl hydroperoxide, then carries out reduction reaction with vulcanized sodium and generate α, then α-dimethyl benzyl alcohol is urged in perchloric acid
Under change, cumyl hydroperoxide and benzylalcohol carry out condensation reaction and generate cumyl peroxide.
In the condensation reaction of cumyl hydroperoxide and dimethyl benzyl alcohol, it will produce a large amount of moisture and prevent reaction
It is positive carry out, in order to make condensation reaction forward direction promote, need to remove the water that dereaction generates using certain measure, industry at present
Upper usually used vacuum pump vacuumizes and the mode of the low air inlet of kettle takes moisture out of.But in mistake of the vacuum pump vacuumizing and exhausting with water
Cheng Zhong can cause ring in the tail gas of discharge containing a large amount of organic pollutant if be directly discharged into air without processing
Border is polluted and wastage of material.
In traditional cumyl peroxide exhaust gas treatment technology, generally use is burned and liquid absorption method handles exhaust gas.
But use the treating method energy consumption burned very big, and complex process, it can also cause secondary pollution；And use liquid absorption
Method will produce a large amount of waste water again, and it is larger to handle waste water expense.And it can not achieve the recycling of exhaust gas in the above method,
Wastage of material is also resulted in a certain extent.
The main method using absorption handles cumyl peroxide exhaust gas at present, for example, patent 201410159392.6
A kind of processing method of cumyl peroxide production exhaust gas, discloses and handles cumyl peroxide using active carbon adsorption
The method of exhaust gas, although this method can be while handling exhaust gas to a certain extent to substances such as isopropylbenzenes in exhaust gas
Recycling, but that still there are technological processes is long, energy consumption is big, technical sophistication etc. in waste gas treatment process for this method
Problem.
Invention content
In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide it is a kind of it is simple for process, low energy consumption, without two
The secondary cumyl peroxide condensation tail gas closed circuit circulatory system that pollutes and can realize circulation of tail gas and utilize, with environmental protection and section
About raw material.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of cumyl peroxide condensation tail gas closed circuit circulatory system, including condensation kettle, tail gas air bag, the first condensation
The top gas outlet of device, the second condenser, third condenser, water ring vacuum pump, the condensation kettle is connected with first pipe, described
First pipe is connect with the air inlet of first condenser, and the gas outlet of first condenser is connected with second pipe, institute
Second pipe to be stated to connect with the air inlet of the water ring vacuum pump, the gas outlet of the water ring vacuum pump is connected with third pipeline,
The third pipeline is connect with the air inlet of second condenser, and the gas outlet of two condenser is connected with the 4th pipeline,
4th pipeline is connect with the import of the tail gas air bag, and the outlet of the tail gas air bag is connected with the 5th pipeline, and described
Five pipelines are connect with the bottom drain of the condensation kettle, and the outlet at bottom of the tail gas air bag is connected with condensate liquid recovery tube
Road, the water ring vacuum pump have been sequentially connected in series third condenser, circulating water pool, booster water pump, and the water ring vacuum pump,
Third condenser, circulating water pool, booster water pump form closed circuit.
Preferably, the condensation kettle is equipped with coil pipe, chuck, stirring meter, teletransmission pressure vacuum gauge, teletransmission temperature
Meter；The coil pipe is equipped with independent refrigerant, and coolant media is recirculated water；The chuck is equipped with independent heating agent, and thermal medium is 80 DEG C
Hot water.
Preferably, radar level gauge is installed on the tail gas air bag.
Preferably, first condenser, the second condenser, third condenser are all respectively equipped with independent refrigerant,
Coolant media be ethylene glycol solution.
Preferably, the 4th pipeline is connected with the 6th pipeline, and the 6th pipeline is connected with activated carbon adsorption
Device, and automatic regulating valve is installed on the 6th pipeline.
Preferably, the 5th pipeline is connected with nitrogen pipeline, and the 5th pipeline and nitrogen pipeline difference
Automatic regulating valve is installed.
Preferably, the condensate liquid recovery channel is equipped with automatic regulating valve.
Preferably, the oil separating plate communicated equipped with two layers of bottom in the circulating water pool.
As further preferred scheme, far transmission level meter, teletransmission thermometer, teletransmission PH are installed on the circulating water pool
Meter.As further preferred scheme, the circulating water pool is connected with water supply pipe and mends alkali pipe.
As still more preferably scheme, automatic regulating valve is separately installed on the water supply pipe and benefit alkali pipe.
Compared to the prior art, the present invention has following advantageous effects：
Cumyl peroxide provided by the invention is condensed tail gas closed circuit circulatory system, not only solves condensation vacuum tail gas
A large amount of discharges also carry out condensing recovery to the organic matter in exhaust gas, reach the problem of cannot being effectively treated, pollute atmospheric environment
The purpose cut down the consumption of raw materials uses the cumyl peroxide condensation tail gas closed circuit circulatory system of the present invention that exhaust gas is discharged
90% or more is reduced, 5% or more raw materials recovery rate, exhaust gas discharge reduces by 2% hereinafter, and peroxidating diisopropyl using the present invention
Benzene is condensed tail gas closed circuit circulatory system, and the processing of tail gas and recovery process are simple, low energy consumption, non-secondary pollution, easy to use, tool
There are practicability and application prospect, in terms of existing technologies, achieves conspicuousness progress and unexpected effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Figure label is schematically as follows：1- condensation kettles；2- tail gas air bags；The first condensers of 3-；The second condensers of 4-；5-
Three condensers；6- water ring vacuum pumps；7- first pipes；8- second pipes；9- third pipelines；The 4th pipelines of 10-；11- the 5th is managed
Road；12- condensate liquid recovery channels；13- circulating water pools；14- booster water pumps；The 6th pipelines of 15-；16- activated carbon adsorption devices；
17- nitrogen pipelines；18- water supply pipes；19- mends alkali pipe；LV- radar level gauges；TI- teletransmission thermometers；PI- teletransmission vacuum pressures
Table；LI- far transmission level meters；S- teletransmission pH meters.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is done and is further clearly and completely described.
Embodiment
As shown in Figure 1：A kind of cumyl peroxide provided in this embodiment is condensed tail gas closed circuit circulatory system, including contracting
Kettle 1, tail gas air bag 2, the first condenser 3, the second condenser 4, third condenser 5, water ring vacuum pump 6 are closed, the condensation kettle 1
Top gas outlet is connected with first pipe 7, and the first pipe 7 is connect with the air inlet of first condenser 3, and described first
The gas outlet of condenser 3 is connected with second pipe 8, and the second pipe 8 is connect with the air inlet of the water ring vacuum pump 6, institute
The gas outlet for stating water ring vacuum pump 6 is connected with third pipeline 9, and the third pipeline 9 and the air inlet of second condenser 4 connect
It connects, the gas outlet of two condenser 4 is connected with the 4th pipeline 10, the import of the 4th pipeline 10 and the tail gas air bag 2
Connection, the outlet of the tail gas air bag 2 are connected with the 5th pipeline 11, and the bottom of the 5th pipeline 11 and the condensation kettle 1 is put
It eats dishes without rice or wine to connect, the outlet at bottom of the tail gas air bag 2 is connected with condensate liquid recovery channel 12（The raw material condensate liquid of recycling passes through cold
Lime set recovery channel 12 flows out collection from tail gas air bag 2, to recycle）, the water ring vacuum pump 6 has been sequentially connected in series
Three condensers 5, circulating water pool 13, booster water pump 14, and the water ring vacuum pump 6, third condenser 5, circulating water pool 13, supercharging
Water pump 14 forms closed circuit.
On this basis,
The condensation kettle 1 is equipped with coil pipe, chuck, stirring meter, teletransmission pressure vacuum gauge PI, teletransmission thermometer TI；It is equipped with
Teletransmission thermometer TI and teletransmission pressure vacuum gauge PI can effectively measure the temperature and pressure in condensation kettle 1, and implementing monitoring is anti-
Answer situation；The coil pipe is equipped with independent refrigerant, and coolant media is recirculated water；The chuck is equipped with independent heating agent, and thermal medium is
80 DEG C of hot water, by the control of heat exchange medium temperature, the temperature of material in indirect control condensation kettle 1 keeps heat transferring medium and object
The temperature difference of material ensures reaction safety and reaction effect.Pressure is in -0.04~-0.06Mpa in usual condensation kettle 1, temperature 42~
At 44 DEG C, reaction effect is best.
The tail gas air bag 2 selects the air storage bag of acid-fast alkali-proof material, to prevent corrosive goods in the tail gas recycled
The corrosion of matter extends the service life of tail gas air bag 2；Radar level gauge LV is installed on the tail gas air bag 2, to monitor tail gas
The dilation of air bag 2, and then reach the volume change situation of monitoring tail gas air bag 2, to balance mixed gas in tail gas air bag 2
Situation is pressed, and then balances the pressure in entire tail gas closed circuit circulatory system, it is ensured that the normal supply of recycled offgas makes entire tail gas
Closed circuit circulatory system smoothly, effectively runs.Percent by volume best results at 40~70% in usual tail gas air bag 2.
First condenser 3, the second condenser 4, third condenser 5 are all respectively equipped with independent refrigerant, in multiple condensation
While device ensures that tail gas effectively condenses cooling in the circulatory system, each condenser is equipped with independent refrigerant so that between condenser
While not interfereing with each other, condensation effect is further improved, goes out from system from volatilization to cause air pollution to avoid tail gas；For
The cooling-down effect of the entire circulatory system is further increased, the coolant media of condenser is to be all made of cooling effect to be significantly larger than ice water
Ethylene glycol solution.
4th pipeline 10 is connected with the 6th pipeline 15, and the 6th pipeline 15 is connected with activated carbon adsorption device 16,
Tail gas in condensation kettle 1 is by condensation, water circulation system（Water ring vacuum pump 6, third condenser 5, circulating water pool 13, pressurized water
14 are pumped, the third condenser 5 in water circulation system can cool down recirculated water, reduce water ring vacuum pump 6 because excessively thermally-induced
Overload phenomenon）, after condensation process, remaining small part gas enters through piping 10 in pipeline 15 in tail gas, most laggard
Enter after activated carbon adsorption device 16 carries out adsorption treatment and is discharged, it substantially can be complete by final step activated carbon adsorption device 16
Remove the pollutant in discharge gas；In order to ensure that activated carbon adsorption device 16 can be to effective absorption of residual gas, in institute
It states and automatic regulating valve is installed on the 6th pipeline 15, adjust the amount into activated carbon adsorption device 16；The automatic tune being equipped with simultaneously
Valve and activated carbon adsorption device 16 are saved, is also had the effect that：When the volume in tail gas air bag 2 reaches maximum value, in order to protect
The normal operation of the entire circulatory system is demonstrate,proved, automatic regulating valve can be opened, makes extra tail gas by being discharged into the 6th pipeline 15
It is handled in activated carbon adsorption device 16, reaches and both ensure that the balance of the circulatory system in turn avoids pollutant and arranged from tail gas
Except in air.
5th pipeline 11 is connected with nitrogen pipeline 17, to further realize effective control to volume in tail gas air bag 2
System is adjusted, and when gas volume reaches lowest volume in tail gas air bag 2, the pressure at this time in tail gas air bag 2 is relatively low, reaction kettle 1
In tail gas may pour into tail gas air bag 2, influence the normal operation of the circulatory system, therefore just need to pass through nitrogen tube at this time
Road 17 to balance the volume and pressure in tail gas air bag 2, and then balances the entire circulatory system to filling into nitrogen in tail gas air bag 2
In pressure balance so that entire circulatory system normal operation；For the volume and pressure in further real-time control tail gas air bag 2
Power situation is separately installed with automatic regulating valve in the 5th pipeline 11 and nitrogen pipeline 17, can be with automatic control and adjustment nitrogen
Into in tail gas air bag 2, to balance the volume and pressure condition in tail gas air bag 2 in time.
The condensate liquid recovery channel 12 is equipped with automatic regulating valve to be made back with automatically opening condensate liquid recovery channel 12
The raw material condensate liquid of receipts is flowed out from tail gas air bag 2 is collected recycling.
The oil separating plate communicated equipped with two layers of bottom in the circulating water pool 13, oil separating plate bottom communicates can be with circulating water pool
13 keep normal level, while being equipped with two layers of oil separating plate, can recycle oil reservoir soluble in water in tail gas, reach recycling
Benefit reduces environmental pollution.
Far transmission level meter LI, teletransmission thermometer TI, teletransmission pH meter S, the recirculated water are installed on the circulating water pool 13
Pond 13 is connected with water supply pipe 18 and mends alkali pipe 19；It is separately installed with automatic regulating valve on the water supply pipe 18 and benefit alkali pipe 19.Peace
Far transmission level meter LI, teletransmission thermometer TI, the teletransmission pH meter S of dress can be with liquid level, the temperature of water in real-time control circulating water pool 13
And pH value, reach best circulating cooling and vent gas treatment effect, it, can when liquid level is too low or when pH value is relatively low in circulating water pool 13
To open automatic regulating valve, the adjusting of water level and pH value is carried out by water supply pipe 18 and benefit alkali pipe 19 in time；Typically, it recycles
The temperature in pond 13 is at 15~25 DEG C, and for pH value at 7~10, the function and effect of circulating water pool are preferable.
Cumyl peroxide of the present invention condensation tail gas closed circuit circulatory system use process is as follows：
The tail gas that generation is reacted in condensation kettle 1 is taken out under the action of water ring vacuum pump 6 from the top gas outlet of condensation kettle 1
Go out, first passes through the first condenser 3 and tentatively cooled, subsequently enter in water circulation system and handled：It is cold by first
Tail gas after the cooling of condenser 3, into reducing temperature twice in third condenser 5, subsequently enters cycle under the action of water ring vacuum pump 6
Oil removal purification is carried out in pond 13, enables the gas phase composition in tail gas, oil-phase component be separated from water, the gas phase composition after separation is increasing
Under the action of water pump 14, into water ring vacuum pump 6, move in circles processing, until most of organic impurities quilt in tail gas
Absorption is handled；Remaining tail gas is from water ring vacuum pump 6 by the cooling again of the second condenser 4（Recirculated water can also be carried out
It is cooling, it reduces water ring vacuum pump 6 and overloads phenomenon caused by overheat）, tail gas air bag 2 is then transported to by the 4th pipeline 10
In, it finally under the action of tail gas air bag 2, is entered in condensation kettle 1 from the bottom drain of condensation kettle 1, above process cycle
It is repeated, is recycled in repetitive process at this, effective raw material in tail gas is condensed into liquid, passes through condensate liquid recovery channel 12
It is collected recycling from the outflow of the outlet at bottom of tail gas air bag 2, it is anti-to thereby realize cumyl peroxide condensation
Circulation of tail gas in answering utilizes, and entire vent gas treatment process is the circulation route being closed, and reduces environmental pollution while also realizing
Raw materials recovery reduces cost of material, while utilizing the use for also saving recirculated water along the circulatory system.
It should be noted that in the above-mentioned circulatory system, tail gas air bag 2 not only plays the storage and supply of tail gas raw material
Effect, simultaneously because the balanced action of tail gas air bag 2, can to avoid there is the phenomenon that imbalance of pressure in the entire circulatory system, from
And allows the entire circulatory system normally orderly cycle is repeated.
It is visible in summary：Cumyl peroxide provided by the invention is condensed tail gas closed circuit circulatory system, can be effective
Pollutant in purified treatment tail gas reduces environmental pollution, while can also effectively recycle the organic matter raw material in tail gas, saves
Raw material reduces cost of material, and the processing and recovery process of entire tail gas are simple, cycle water consumption is few, low energy consumption, without secondary dirt
Dye, it is easy to use, there is practicability and application prospect to achieve conspicuousness progress in terms of existing technologies and exceed to anticipate
The effect of material.
It is it is necessary to described herein finally：The foregoing is merely the preferable specific implementation mode of the present invention, but the present invention
Protection domain be not limited thereto, any one skilled in the art in the technical scope disclosed by the present invention,
The change or replacement that can be readily occurred in, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of cumyl peroxide is condensed tail gas closed circuit circulatory system, it is characterised in that：Including condensation kettle, tail gas air bag,
The top gas outlet of first condenser, the second condenser, third condenser, water ring vacuum pump, the condensation kettle is connected with first
Pipeline, the first pipe are connect with the air inlet of first condenser, and the gas outlet of first condenser is connected with
Two pipelines, the second pipe are connect with the air inlet of the water ring vacuum pump, and the gas outlet of the water ring vacuum pump is connected with
Third pipeline, the third pipeline are connect with the air inlet of second condenser, and the gas outlet of two condenser is connected with
4th pipeline, the 4th pipeline are connect with the import of the tail gas air bag, and the outlet of the tail gas air bag is connected with the 5th pipe
Road, the 5th pipeline are connect with the bottom drain of the condensation kettle, and the outlet at bottom of the tail gas air bag is connected with condensation
Liquid recovery channel, the water ring vacuum pump have been sequentially connected in series third condenser, circulating water pool, booster water pump, and the water
Ring vacuum pump, third condenser, circulating water pool, booster water pump form closed circuit.
2. cumyl peroxide according to claim 1 is condensed tail gas closed circuit circulatory system, it is characterised in that：The contracting
It closes kettle and is equipped with coil pipe, chuck, stirring meter, teletransmission pressure vacuum gauge, teletransmission thermometer.
3. cumyl peroxide according to claim 1 is condensed tail gas closed circuit circulatory system, it is characterised in that：The tail
Radar level gauge is installed on gas air bag.
4. cumyl peroxide according to claim 1 is condensed tail gas closed circuit circulatory system, it is characterised in that：Described
One condenser, the second condenser, third condenser are all respectively equipped with independent refrigerant.
5. cumyl peroxide according to claim 1 is condensed tail gas closed circuit circulatory system, it is characterised in that：Described
Four pipelines are connected with the 6th pipeline, and the 6th pipeline is connected with activated carbon adsorption device.
6. cumyl peroxide according to claim 1 is condensed tail gas closed circuit circulatory system, it is characterised in that：Described
Five pipelines are connected with nitrogen pipeline.
7. cumyl peroxide according to claim 1 is condensed tail gas closed circuit circulatory system, it is characterised in that：It is described to follow
The oil separating plate that two layers of bottom communicates is equipped in ring pond.
8. cumyl peroxide according to claim 7 is condensed tail gas closed circuit circulatory system, it is characterised in that：It is described to follow
Far transmission level meter, teletransmission thermometer, teletransmission PH meters are installed on ring pond.
9. cumyl peroxide according to claim 7 is condensed tail gas closed circuit circulatory system, it is characterised in that：It is described to follow
Ring pond is connected with water supply pipe and mends alkali pipe.
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| CN201610751726.8A CN106237646B (en) | 2016-08-30 | 2016-08-30 | A kind of cumyl peroxide condensation tail gas closed circuit circulatory system |
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| CN201610751726.8A CN106237646B (en) | 2016-08-30 | 2016-08-30 | A kind of cumyl peroxide condensation tail gas closed circuit circulatory system |
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| CN106237646B true CN106237646B (en) | 2018-10-23 |
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| US3830040A (en) * | 1972-02-25 | 1974-08-20 | Vaporex | Vapor recovery system |
| CN101804288B (en) * | 2010-04-27 | 2012-06-13 | 江苏九九久科技股份有限公司 | Process for treating tail gas containing insoluble solvent |
| CN103263781B (en) * | 2013-05-09 | 2015-03-11 | 陕西航达工程设备有限公司 | Lightweight tar recovery apparatus |
| CN103933826B (en) * | 2014-04-21 | 2016-02-24 | 太仓塑料助剂厂有限公司 | A kind of processing method of cumyl peroxide process gas |
| CN206027140U (en) * | 2016-08-30 | 2017-03-22 | 太仓塑料助剂厂有限公司 | Dicumyl peroxide condensation tail gas closed circulation system |
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Effective date of registration: 20201021 Address after: 226314 Jiangchuan Village, Jiangjiang Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: NANTONG HUASHENG PLASTIC PRODUCTS Co.,Ltd. Address before: Taicang City, Suzhou City, Jiangsu province 215400 visit the home Port Development Zone East Road No. 20 Patentee before: TAICANG PLASTIC ADDITIVES FACTORY Co.,Ltd. |
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