CN108192661A - A kind of purification treatment technology for the sump oil that goes into operation - Google Patents
A kind of purification treatment technology for the sump oil that goes into operation Download PDFInfo
- Publication number
- CN108192661A CN108192661A CN201810064945.8A CN201810064945A CN108192661A CN 108192661 A CN108192661 A CN 108192661A CN 201810064945 A CN201810064945 A CN 201810064945A CN 108192661 A CN108192661 A CN 108192661A
- Authority
- CN
- China
- Prior art keywords
- sump oil
- goes
- purification treatment
- treatment technology
- dewatering
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
Abstract
The present invention relates to a kind of purification treatment technologies for the sump oil that goes into operation,It is heated up by first carrying out heat exchange for the first time to the sump oil that goes into operation,It adds additive and carries out sump oil after pretreatment formation pretreatment,After heat exchange heating being carried out to sump oil after pretreatment,First time breaking emulsion and dewatering processing is carried out again forms sump oil after dehydration,After secondary filter being carried out to sump oil after dehydration,Filtrate carries out second of breaking emulsion and dewatering processing again,Final clear gusoline after purification is made,The purification treatment technology of the sump oil of the present invention that goes into operation,After purified treatment being carried out to the sump oil that goes into operation,Reach the index of former clear gusoline,Oil product purity is up to more than 99.5%,It is re-used as recycle oil use,The accumulation to impurity on catalyst bed can be reduced,Reduce the pressure drop of catalyst bed,Be conducive to the protection of catalyst,Ensure catalyst activity,Improve catalyst Yunqi's period.The technology of the present invention has achieved the purpose that cost efficiency, and raising goes into operation clear gusoline utilization rate, and enterprise's cost that goes into operation is greatly reduced.
Description
Technical field
The invention belongs to chemical technology fields, and in particular to a kind of purification treatment technology for the sump oil that goes into operation.
Background technology
The devices such as petrochemical industry, coal chemical industry, hydrogenation of tar need a large amount of clear gusoline of outsourcing in the stage of going into operation as following
Ring oil carries out recycle oil fortune to pipeline, equipment, catalyst etc. using the recycle oil or system is replaced, while is also to equipment, instrument
Table, the electrical process tested reach a kind of purpose of post personnel troop training.This part recycle oil by recycling in the device
After displacement, become contaminated product (go into operation sump oil) due to having adsorbed the impurity such as a large amount of iron rust, welding slag, dust, moisture, such as
Fruit, which does not carry out this partial contamination oil product purified treatment, cannot continue cycling through displacement use, cause largely to waste, to environment
It generates and endangers and increase entreprise cost.
After carrying out purified treatment to this partial contamination oil product in the prior art, carrying out cycle as clear gusoline again makes
With however, since purification is not thorough, still containing a large amount of impurity in purified recycle oil, these impurity are in cyclic process
It will adsorb in catalyst surface, and decline specific surface area of catalyst, cause catalyst activity reduction or lose activity, when serious,
A large amount of metal ion blocking catalyst ducts, will cause permanent catalyst deactivation or poisoning for a long time.
Invention content
In order to solve the above problem of the existing technology, the present invention provides it is a kind of it is simple for process, can thoroughly remove impurity elimination
The purification treatment technology of the sump oil that goes into operation of matter.After carrying out purified treatment to contaminated product using the technology of the present invention, reach former cleaning
The index of oil product is re-used as recycle oil use, can reduce the accumulation to impurity on catalyst bed, reduce catalyst bed
Pressure drop is conducive to the protection of catalyst, ensures catalyst activity, improves catalyst Yunqi's period.The technology of the present invention reaches simultaneously
The purpose of cost efficiency improves the utilization rate for the clear gusoline that goes into operation, is greatly reduced the cost that goes into operation of enterprise.
The technical solution adopted in the present invention is：
A kind of purification treatment technology for the sump oil that goes into operation, includes the following steps：
(1) it after carrying out heat exchange heating for the first time to the sump oil that goes into operation, adds in additive and is pre-processed；
(2) after second of heat exchange heating is carried out to sump oil after pretreatment, first time breaking emulsion and dewatering processing is carried out；
(3) secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) second of breaking emulsion and dewatering processing is carried out to filtrate after secondary filter to get purified clear gusoline.
In step (1), after carrying out heat exchange heating for the first time, the temperature of the sump oil that goes into operation is 50~130 DEG C.
In step (1), the additive includes following component：Silica gel 55~65%, alum 19~25%, sodium hydroxide 9
~13%, potassium permanganate 0.05~0.1%, water 3.9~5%, sodium carbonate 3~4%.
The additive includes following component：Silica gel 60%, alum 22%, sodium hydroxide 11%, potassium permanganate 0.1%,
Water 3.9%, sodium carbonate 3%.
In step (1), when carrying out the pretreatment, a concentration of 100~1000ppm of addition of the additive.
A concentration of 550ppm of addition of the additive.
In step (2), after carrying out second of heat exchange heating, the temperature of sump oil is 60~120 DEG C after the pretreatment.
In step (2), when carrying out the first time breaking emulsion and dewatering processing, the demulsifier is polyether type demulsifying agent, is carried out
The temperature of the breaking emulsion and dewatering is 60~120 DEG C, and pressure is -0.067~-0.6MPa.
In step (3), the secondary filter includes multistage filtering.
In step (4), when carrying out second of breaking emulsion and dewatering processing, the demulsifier is polyether type demulsifying agent, is carried out
The temperature of the breaking emulsion and dewatering is 60~120 DEG C, and pressure is -0.067~-0.6MPa.
Beneficial effects of the present invention are：
The purification treatment technology of the sump oil of the present invention that goes into operation is risen by first carrying out heat exchange for the first time to the sump oil that goes into operation
Temperature adds additive and carries out sump oil after pretreatment formation pretreatment, after carrying out heat exchange heating to sump oil after pretreatment, then carries out
First time breaking emulsion and dewatering processing formed dehydration after sump oil, to after dehydration sump oil carry out secondary filter after, filtrate again into
Second of breaking emulsion and dewatering processing of row, final clear gusoline after purification is made, the purified treatment skill of the sump oil of the present invention that goes into operation
Art after carrying out purified treatment to the sump oil that goes into operation, reaches the index of former clear gusoline, and oil product purity is up to more than 99.5%, again
It is used as recycle oil, the accumulation to impurity on catalyst bed can be reduced, reduce the pressure drop of catalyst bed, be conducive to be catalyzed
The protection of agent ensures catalyst activity, improves catalyst Yunqi's period.The technology of the present invention has reached the mesh of cost efficiency simultaneously
, the utilization rate for the clear gusoline that goes into operation is improved, the cost that goes into operation of enterprise is greatly reduced.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
The present embodiment provides a kind of purification treatment technology for the sump oil that goes into operation, the impurity content for the sump oil that goes into operation is 1%, and moisture contains
It is 1% to measure, and the purification treatment technology of the sump oil that goes into operation includes the following steps：
(1) after carrying out heat exchange heating for the first time to the sump oil that goes into operation, the sump oil that goes into operation that temperature is 50 DEG C is obtained, is heated up to heat exchange
It adds in additive in the sump oil that goes into operation afterwards to be pre-processed, a concentration of 100ppm of addition of the additive；The additive packet
Include following component：Silica gel 55%, alum 25%, sodium hydroxide 13%, potassium permanganate 0.1%, water 3.9%, sodium carbonate 3%；
(2) second of heat exchange is carried out to sump oil after pretreatment to heat up, sump oil after the pretreatment that temperature is 60 DEG C is obtained, to institute
Polyoxypropylene, the polyoxyethylene blocks polyethers (SP169) added in sump oil after pre-processing using fatty alcohol as initiator is stated, in temperature
It is that -0.067MPa carries out first time breaking emulsion and dewatering processing for 60 DEG C, pressure；
(3) two-stage secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) polyoxypropylene, polyoxyethylene blocks polyethers of the filtrate addition using fatty alcohol as initiator after secondary filter
(SP169), after second of breaking emulsion and dewatering processing is carried out under conditions of temperature is 60 DEG C, pressure is -0.067MPa to get purification
Clear gusoline.After testing, the impurity content of purified clear gusoline is less than 100ppm, and moisture is less than 300ppm.
Embodiment 2
The present embodiment provides a kind of purification treatment technology for the sump oil that goes into operation, the impurity content for the sump oil that goes into operation is 3%, and moisture contains
It is 10% to measure, and the purification treatment technology of the sump oil that goes into operation includes the following steps：
(1) after carrying out heat exchange heating for the first time to the sump oil that goes into operation, the sump oil that goes into operation that temperature is 130 DEG C is obtained, is risen to heat exchange
It adds in additive in the sump oil that goes into operation after temperature to be pre-processed, a concentration of 1000ppm of addition of the additive；The additive
Including following component：Silica gel 65%, alum 19%, sodium hydroxide 9%, potassium permanganate 0.1%, water 3.9%, sodium carbonate 4%；
(2) second of heat exchange is carried out to sump oil after pretreatment to heat up, obtain sump oil after the pretreatment that temperature is 120 DEG C, to
Polyoxypropylene, the polyoxyethylene blocks polyethers (BP169) using propylene glycol as initiator are added in after the pretreatment in sump oil, in temperature
It is that -0.6MPa carries out first time breaking emulsion and dewatering processing to spend for 120 DEG C, pressure；
(3) two-stage secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) polyoxypropylene, the polyoxyethylene blocks polyethers using propylene glycol as initiator are added in into filtrate after secondary filter
(BP169), after second of breaking emulsion and dewatering processing is carried out under conditions of temperature is 120 DEG C, pressure is -0.6MPa to get purification
Clear gusoline.After testing, the impurity content of purified clear gusoline is less than 100ppm, and moisture is less than 300ppm.
Embodiment 3
The present embodiment provides a kind of purification treatment technology for the sump oil that goes into operation, the impurity content for the sump oil that goes into operation is 2%, and moisture contains
It is 5.5% to measure, and the purification treatment technology of the sump oil that goes into operation includes the following steps：
(1) after carrying out heat exchange heating for the first time to the sump oil that goes into operation, the sump oil at a temperature of 90 °C that goes into operation is obtained, is heated up to heat exchange
It adds in additive in the sump oil that goes into operation afterwards to be pre-processed, a concentration of 550ppm of addition of the additive；The additive packet
Include following component：Silica gel 60%, alum 22%, sodium hydroxide 11%, potassium permanganate 0.05%, water 3.9%, sodium carbonate
3.05%；
(2) it carries out second of heat exchange to sump oil after pretreatment to heat up, it is dirty after 60~120 DEG C of pretreatment to obtain temperature
Oil adds in branching type polyoxypropylene, polyoxyethylene blocks polyethers using glycerine as initiator into sump oil after the pretreatment
(GP135), temperature be 90 DEG C, pressure for -0.35MPa carry out first time breaking emulsion and dewatering processing；
(3) two-stage secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) it is added in into filtrate after secondary filter embedding as branching type polyoxypropylene, the polyoxyethylene of initiator using glycerine
Section polyethers (GP135), temperature be 90 DEG C, pressure for carry out under conditions of -0.35MPa second of breaking emulsion and dewatering processing to get
Purified clear gusoline.After testing, the impurity content of purified clear gusoline is less than 100ppm, and moisture is less than
300ppm。
Embodiment 4
The present embodiment provides a kind of purification treatment technology for the sump oil that goes into operation, the impurity content for the sump oil that goes into operation is 2%, and moisture contains
It is 5% to measure, and the purification treatment technology of the sump oil that goes into operation includes the following steps：
(1) after carrying out heat exchange heating for the first time to the sump oil that goes into operation, the sump oil that goes into operation that temperature is 80 DEG C is obtained, is heated up to heat exchange
It adds in additive in the sump oil that goes into operation afterwards to be pre-processed, a concentration of 600ppm of addition of the additive；The additive packet
Include following component：Silica gel 60%, alum 22%, sodium hydroxide 11%, potassium permanganate 0.1%, water 3.9%, sodium carbonate 3%；
(2) second of heat exchange is carried out to sump oil after pretreatment to heat up, sump oil after pretreatment at a temperature of 90 °C is obtained, to institute
State branching type polyoxypropylene, the polyoxyethylene blocks polyethers added in sump oil after pre-processing using polyethylene polyamine as initiator
(F3111), temperature be 90 DEG C, pressure for -0.35MPa carry out first time breaking emulsion and dewatering processing；
(3) two-stage secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) branching type polyoxypropylene using polyethylene polyamine as initiator, polyoxy second are added in into filtrate after secondary filter
Alkene block polyether (F3111) carries out second of breaking emulsion and dewatering processing under conditions of temperature is 90 DEG C, pressure is -0.35MPa,
Up to purified clear gusoline.After testing, the impurity content of purified clear gusoline is less than 100ppm, and moisture is less than
300ppm。
Embodiment 5
The present embodiment provides a kind of purification treatment technology for the sump oil that goes into operation, the impurity content for the sump oil that goes into operation is 2%, and moisture contains
It is 6% to measure, and the purification treatment technology of the sump oil that goes into operation includes the following steps：
(1) after carrying out heat exchange heating for the first time to the sump oil that goes into operation, the sump oil that goes into operation that temperature is 110 DEG C is obtained, is risen to heat exchange
It adds in additive in the sump oil that goes into operation after temperature to be pre-processed, a concentration of 580ppm of addition of the additive；The additive
Including following component：Silica gel 60%, alum 22%, sodium hydroxide 11%, potassium permanganate 0.1%, water 3.9%, sodium carbonate 3%；
(2) second of heat exchange is carried out to sump oil after pretreatment to heat up, obtain sump oil after the pretreatment that temperature is 100 DEG C, to
Branching type polyoxypropylene, the polyoxyethylene blocks polyethers using polyethylene polyamine as initiator are added in after the pretreatment in sump oil
(AE6952), temperature be 80 DEG C, pressure for -0.3MPa carry out first time breaking emulsion and dewatering processing；
(3) two-stage secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) branching type polyoxypropylene using polyethylene polyamine as initiator, polyoxy second are added in into filtrate after secondary filter
Alkene block polyether (AE6952) carries out second of breaking emulsion and dewatering processing under conditions of temperature is 80 DEG C, pressure is -0.3MPa,
Up to purified clear gusoline.After testing, the impurity content of purified clear gusoline is less than 100ppm, and moisture is less than
300ppm。
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the enlightenment of the present invention
The product of form, however, make any variation in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (10)
1. a kind of purification treatment technology for the sump oil that goes into operation, which is characterized in that include the following steps：
(1) it after carrying out heat exchange heating for the first time to the sump oil that goes into operation, adds in additive and is pre-processed；
(2) it after second of heat exchange heating is carried out to sump oil after pretreatment, adds in demulsifier and carries out first time breaking emulsion and dewatering processing；
(3) secondary filter is carried out to sump oil after the processing of first time breaking emulsion and dewatering；
(4) demulsifier is added in filtrate after secondary filter and carries out second of breaking emulsion and dewatering processing to get purified clear gusoline.
2. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (1), carry out first
After secondary heat exchange heating, the temperature of the sump oil that goes into operation is 50~130 DEG C.
3. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (1), the addition
Agent includes following component：Silica gel 55~65%, alum 19~25%, sodium hydroxide 9~13%, potassium permanganate 0.05~0.1%,
Water 3.9~5%, sodium carbonate 3~4%.
4. the purification treatment technology of the sump oil according to claim 3 that goes into operation, which is characterized in that the additive includes as follows
Component：Silica gel 60%, alum 22%, sodium hydroxide 11%, potassium permanganate 0.1%, water 3.9%, sodium carbonate 3%.
5. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (1), described in progress
During pretreatment, a concentration of 100~1000ppm of addition of the additive.
6. the purification treatment technology of the sump oil according to claim 5 that goes into operation, which is characterized in that the addition of the additive is dense
It spends for 550ppm.
7. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (2), carry out second
After secondary heat exchange heating, the temperature of sump oil is 60~120 DEG C after the pretreatment.
8. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (2), described in progress
During the processing of first time breaking emulsion and dewatering, the demulsifier is polyether type demulsifying agent, and the temperature for carrying out the breaking emulsion and dewatering is 60~120
DEG C, pressure is -0.067~-0.6MPa.
9. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (3), the precision
Filtering includes multistage filtering.
10. the purification treatment technology of the sump oil according to claim 1 that goes into operation, which is characterized in that in step (4), carry out institute
When stating second of breaking emulsion and dewatering processing, the demulsifier is polyether type demulsifying agent, and the temperature for carrying out the breaking emulsion and dewatering is 60
~120 DEG C, pressure is -0.067~-0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064945.8A CN108192661A (en) | 2018-01-23 | 2018-01-23 | A kind of purification treatment technology for the sump oil that goes into operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064945.8A CN108192661A (en) | 2018-01-23 | 2018-01-23 | A kind of purification treatment technology for the sump oil that goes into operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108192661A true CN108192661A (en) | 2018-06-22 |
Family
ID=62590490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064945.8A Pending CN108192661A (en) | 2018-01-23 | 2018-01-23 | A kind of purification treatment technology for the sump oil that goes into operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108192661A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1907890A (en) * | 2006-08-11 | 2007-02-07 | 韩东 | Decomposition agent for extracting fuel oil from dirty oil mud |
| CN101786776A (en) * | 2010-02-23 | 2010-07-28 | 北京欧泰克石油工程技术有限责任公司 | Advanced treatment process of sludge containing oil |
| CN104556595A (en) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | Treatment process for oily sludge |
| CN107099326A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of method of sump oil desalting and dewatering |
| CN107099325A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of method of sump oil desalting and dewatering |
-
2018
- 2018-01-23 CN CN201810064945.8A patent/CN108192661A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1907890A (en) * | 2006-08-11 | 2007-02-07 | 韩东 | Decomposition agent for extracting fuel oil from dirty oil mud |
| CN101786776A (en) * | 2010-02-23 | 2010-07-28 | 北京欧泰克石油工程技术有限责任公司 | Advanced treatment process of sludge containing oil |
| CN104556595A (en) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | Treatment process for oily sludge |
| CN107099326A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of method of sump oil desalting and dewatering |
| CN107099325A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of method of sump oil desalting and dewatering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202893157U (en) | Movable waste gas collecting and treating device | |
| CN100333823C (en) | Method for purifying deterioration amine liquid using highly basic anion exchange resin | |
| CN103816865B (en) | A kind of organic exhaust gas adsorption scavenging agent and its preparation method | |
| CN201223759Y (en) | Equipment for processing production exhaust-gas of reclaimed rubber | |
| CN105289188A (en) | Waste gas treatment system for treating waste gas in granulation process of waste plastic | |
| CN104028317A (en) | Regeneration method of phosphorus-poisoned selective catalytic reduction (SCR) denitrification catalyst | |
| CN108192661A (en) | A kind of purification treatment technology for the sump oil that goes into operation | |
| CN104436989A (en) | VOC (volatile organic compounds)-containing waste gas recovery purification device | |
| CN109824193A (en) | Alumina chemical industry Waste acid recovery technology | |
| CN103446851B (en) | Recovery and purification device and method for phosphoric acid from tail gases generated in chemical method activated carbon production process | |
| CN206424964U (en) | Regenerating active carbon system | |
| CN107198913A (en) | Decahydronaphthalene washes recovery process in waste gas | |
| CN106861382A (en) | A kind of low-temperature plasma waste gas treatment device | |
| CN105157048A (en) | Boiler waste gas utilization device | |
| CN205109291U (en) | Organic gas's processing apparatus | |
| CN106835142A (en) | Environmental protection stripping nickel passivator and its compound method and application method | |
| CN109091990A (en) | A kind of waste gas dedusting and purification integrated machine | |
| CN108993133A (en) | COS, CS in a kind of promotion natural gas2The method of removing | |
| CN208809646U (en) | A kind of mine down-hole pernicious gas adsorbent equipment | |
| CN106823669A (en) | The technique and its device of a kind of annealing furnace tail gas recycle purification | |
| CN104193034B (en) | A kind of amine purification processes system | |
| CN103910456A (en) | Method for utilizing semiconductor membrane to process wastewater | |
| CN106390674A (en) | Recovering and purifying device for industrial exhaust gas | |
| CN110559793A (en) | Novel method for removing mercury from renewable natural gas | |
| CN103017142A (en) | Boiler condensed water recovery process |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |