CN116143220A - Treatment method of dicumyl peroxide condensation wastewater - Google Patents
Treatment method of dicumyl peroxide condensation wastewater Download PDFInfo
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- CN116143220A CN116143220A CN202211738482.1A CN202211738482A CN116143220A CN 116143220 A CN116143220 A CN 116143220A CN 202211738482 A CN202211738482 A CN 202211738482A CN 116143220 A CN116143220 A CN 116143220A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0856—Cleaning of water-treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Hydrology & Water Resources (AREA)
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Abstract
The invention belongs to the field of dicumyl peroxide condensation wastewater treatment, and discloses a method for treating dicumyl peroxide condensation wastewater, which comprises a main body; the water inlet pipe is arranged at the left side of the main body and close to the upper end; the water outlet pipe is arranged on the right side of the main body and close to the bottom end; the transverse plate is arranged between the side walls of the main body and is close to the top; the scraping mechanism is arranged at the inner position of the main body; anti-blocking mechanism sets up in main part bottom position, scrapes the mechanism and includes: the water guide pipe is provided with a middle position inside the transverse plate; the sprinkler is embedded at the bottom end of the transverse plate; the rotating shaft is arranged at the upper end of the transverse plate in a penetrating way and is close to the middle position; a first cross bar; the invention effectively solves the problems of inconvenient cleaning and easy blockage of sediment by constructing the device which consists of the main body, the water inlet pipe, the water outlet pipe, the transverse plate, the scraping mechanism and the anti-blocking mechanism and is suitable for treating the dicumyl peroxide condensation wastewater.
Description
Technical Field
The invention relates to the field of dicumyl peroxide condensation wastewater treatment, in particular to a method for treating dicumyl peroxide condensation wastewater.
Background
Dicumyl peroxide is an organic peroxide cross-linking agent, is mainly used as cross-linking agent of various olefin polymers and copolymers, can be used as polymerization initiator of polystyrene or curing agent of unsaturated polyester resin, and after DCP cross-linking, the physical properties of the polymer are greatly improved, and the heat resistance, chemical resistance, pressure resistance, crack resistance and mechanical strength are all increased.
At present, when technical personnel carry out the treatment of dicumyl peroxide condensation waste water, after long-time use, a large amount of sediment can be attached to the inside wall and the bottom of the dicumyl peroxide condensation waste water, and the removal is comparatively troublesome, and is unfavorable for the subsequent treatment of waste water, and the sediment can block a drainage tank. In view of the above, we propose a method for treating dicumyl peroxide condensation wastewater.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a treatment method of dicumyl peroxide condensation wastewater, which aims to solve the problems in the background technology.
2. Technical proposal
A method for treating dicumyl peroxide condensation wastewater comprises a main body; the water inlet pipe is arranged at the left side of the main body and close to the upper end; the water outlet pipe is arranged on the right side of the main body and close to the bottom end; the transverse plate is arranged between the side walls of the main body and is close to the top; the scraping mechanism is arranged at the inner position of the main body; the anti-blocking mechanism is arranged at the bottom of the main body.
As a further aspect of the invention: the scraping mechanism comprises: the water guide pipe is provided with a middle position inside the transverse plate; the sprinkler is embedded at the bottom end of the transverse plate; the rotating shaft is arranged at the upper end of the transverse plate in a penetrating way and is close to the middle position; the first cross rod is arranged on the rotating shaft and close to the cross plate; the second cross rod is sleeved on the rotating shaft and is close to the bottom; the vertical scraping plate is arranged between the first cross rod and the second cross rod; the transverse scraping plate is arranged at the bottom end of the cross rod II; the cross fixture block is arranged at the bottom end of the rotating shaft.
As a further aspect of the invention: the anti-clogging mechanism includes: the drainage groove is penetrated and arranged at the position, close to the right, of the bottom end in the main body; two groups of sliding grooves are respectively arranged at the bottom end inside the drainage groove and close to the two ends; the hydraulic telescopic rod is arranged at the bottom end inside the chute; the sliding plate is arranged at the upper end of the hydraulic telescopic rod; at least one group of grooves are formed in the inner side wall of the sliding plate; the wheel disc is arranged between the grooves; and the first motor is arranged at the right end of the wheel disc.
As a further aspect of the invention: wherein the transverse plate, the first transverse rod and the second transverse rod are arranged in parallel; the motor II is arranged at the upper end of the transverse plate and close to the middle position; wherein, the bottom end of the motor II is fixedly connected with the upper end of the rotating shaft; the cross clamping groove is formed in the bottom end of the inner part of the main body and is close to the middle position; the cross clamping block is clamped and arranged in the cross clamping groove; wherein, the rotating shaft is movably arranged with the main body through the cross clamping block matched with the cross clamping groove.
As a further aspect of the invention: wherein the right end of the water inlet pipe is communicated with the water guide pipe; wherein, the upper end of the shower is communicated with the water guide pipe; wherein, gondola water faucet bottom and diaphragm bottom parallel and level each other set up.
As a further aspect of the invention: wherein, the vertical scraping plate is tightly attached to the inner side wall of the main body; wherein, two sets of vertical scrapers are parallel to each other, and water drainage tank right-hand member is linked together with the outlet pipe.
As a further aspect of the invention: the slide passes through the hydraulic telescoping rod and slides from top to bottom in the spout inside, and a plurality of groups of transverse grooves have been seted up to the rim plate lateral surface, rim plate upper end and the laminating of the inside top lateral wall of water drainage tank.
A treatment method of dicumyl peroxide condensation wastewater comprises the following steps:
step one: taking a solution with the concentration of N-503 in cumene of 5-15vol%, preferably 10-15vol% as an extractant system; adjusting the pH of the DCP condensation wastewater to a value of 1 to 6, preferably 2 to 5, more preferably 2 to 3; performing liquid-liquid extraction on DCP condensation wastewater by using an extractant system; and allowing the treated wastewater to enter an atmospheric distillation tower for distillation, and recovering a distillate after condensing;
the step of adjusting the pH of the DCP condensation wastewater comprises adjusting the pH of the DCP condensation wastewater using an acidic wastewater after the spent caustic acid in the plant;
the liquid-liquid extraction step comprises controlling the volume ratio DCP condensation wastewater to the extractant system: the extractant system is less than or equal to 1, preferably 1:1 to 1.5, more preferably 1:1, a step of;
step two: the liquid-liquid extraction step comprises three-stage or four-stage reverse extraction of DCP condensed wastewater by using an extractant system. Taking three-stage reverse extraction as an example, the liquid-liquid extraction steps include: allowing DCP condensation wastewater to enter a first settling tank for first-stage extraction, separating, and then allowing the wastewater to exit from the bottom; enabling the wastewater from the bottom of the first settling tank to enter a second settling tank for second-stage extraction, and separating the wastewater from the bottom; enabling the wastewater from the bottom of the second settling tank to enter a third settling tank for third-stage extraction, and separating the wastewater from the bottom; wherein the trend of the extractant system is opposite to that of DCP condensation wastewater, the extractant system firstly enters a third settling tank to perform third-stage extraction, after separation, the extract is discharged from the top, the extract from the top of the third settling tank enters a second settling tank to perform second-stage extraction, and after separation, the extract is discharged from the top; the extraction liquid from the top of the second settling tank enters the first settling tank to perform the first-stage extraction, and after separation, the extraction liquid is discharged from the top. The process of four stage countercurrent extraction is similar to that of three stage countercurrent extraction.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
according to the invention, through constructing a device which consists of a main body, a water inlet pipe, a water outlet pipe, a cross plate, a scraping mechanism and an anti-blocking mechanism and is suitable for treating dicumyl peroxide condensed wastewater, dicumyl peroxide condensed wastewater is poured into the water tank, and meanwhile, an extractant is added, so that impurities in the wastewater are contained, the water tank is convenient to remove due to the fact that a large amount of sediments are adhered to the inner side wall and the bottom end of the water tank when the water tank is used for a long time, the sediment is troublesome to remove, and is unfavorable for subsequent treatment of wastewater.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic view of the inside of the overall structure of the present invention;
FIG. 3 is a schematic view of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic view of a scraping mechanism according to the present invention;
FIG. 5 is a schematic view of the structure of the first rail and the vertical screed of the present invention;
FIG. 6 is a schematic view of the structure of the spindle and the cross-shaped latch according to the present invention;
the reference numerals in the figures illustrate: 1. a main body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a cross plate; 5. a water conduit; 6. a shower head; 7. a rotating shaft; 8. a first cross bar; 9. a second cross bar; 10. a vertical scraper; 11. a transverse scraper; 12. a cross clamping block; 13. a drainage channel; 14. a chute; 15. a hydraulic telescopic rod; 16. a slide plate; 17. a groove; 18. a first motor; 19. a wheel disc; 20. a clamping groove; 21. a scraping mechanism; 22. an anti-blocking mechanism.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-6, the present invention provides a technical solution:
a method for treating dicumyl peroxide condensation wastewater comprises a main body 1; the water inlet pipe 2 is arranged at the left side of the main body 1 and is close to the upper end; the water outlet pipe 3 is arranged at the right side of the main body 1 and is close to the bottom end; the transverse plate 4 is arranged between the side walls of the main body 1 and is close to the top; a scraping mechanism 21 provided at an inner position of the main body 1; the anti-clogging mechanism 22 is provided at the bottom of the main body 1.
Pouring dicumyl peroxide condensed wastewater into the water tank, adding an extractant simultaneously, enabling impurities in the wastewater to be scraped, enabling the water tank to flow into the water guide pipe 5 in the transverse plate 4 through the water inlet pipe 2 for a long time, removing a large amount of sediment, wherein the bottom end of the water guide pipe 5 is connected with a plurality of groups of shower heads 6, enabling water to flow evenly to spray on the inner side wall of the water tank 1, enabling sediment to flow into the water drainage groove 13 under the action of water flow, enabling sediment on the inner side wall of the water tank 1 to be removed conveniently, enabling the vertical scraping plate 10 to move along the inner side wall of the water tank 1, enabling sediment to be scraped to the bottom end of the water tank 1, enabling the transverse scraping plate 11 to rotate at the bottom end of the water tank 1, enabling sediment attached to the surface of the water tank to be scraped, enabling the water to flow into the water guide pipe 5 through the water inlet pipe 2, enabling the sediment to flow into the inner side wall of the water guide pipe 5, enabling the sediment to flow evenly to spray on the inner side wall of the water tank 1, enabling the sediment to flow into the water drainage groove 13 under the action of water flow, enabling the sediment to flow into the water drainage groove 13, enabling the sediment to flow out of the water tank 13 to be convenient to be removed, enabling the sediment to flow out of the water drainage groove 13 to flow through the water drainage groove 13 through the water guide pipe 13, enabling the water guide pipe 1 to slide out of the water guide pipe 13 to be repeatedly through the water guide plate 13 to move along the water guide plate 13, and enabling the water guide plate 13 to move along the water guide plate 13 when the inner side wall 13 to be repeatedly through the water guide plate 13.
The scraping mechanism 21 includes: the water guide pipe 5 is provided with a middle position inside the transverse plate 4; the sprinkler 6 is embedded at the bottom end of the transverse plate 4; the rotating shaft 7 is arranged at the upper end of the transverse plate 4 in a penetrating way and is close to the middle position; the first cross rod 8 is arranged on the rotating shaft 7 at a position close to the cross plate 4; the second cross rod 9 is sleeved on the rotating shaft 7 and is close to the bottom; the vertical scraping plate 10 is arranged between the first cross rod 8 and the second cross rod 9; the transverse scraping plate 11 is arranged at the bottom end of the second cross rod 9; the cross clamping block 12 is arranged at the bottom end of the rotating shaft 7.
Pouring dicumyl peroxide condensed wastewater into the water tank, adding an extractant, enabling impurities in the wastewater to be removed, enabling the water tank to be used for a long time, enabling a large amount of sediment to be attached to the inner side wall and the bottom end of the water tank, removing the sediment, being troublesome, being unfavorable for subsequent treatment of the wastewater, enabling a rotating shaft 7 between a transverse plate 4 and a main body 1 to rotate through a motor II, enabling a transverse rod 8 and a transverse rod 9 to rotate simultaneously through the rotating shaft 7, enabling a vertical scraper 10 to move along the inner side wall of the main body 1, enabling the sediment to be scraped to the bottom end of the main body 1, enabling a transverse scraper 11 to rotate at the bottom end of the main body 1, enabling the sediment attached to the surface of the transverse scraper to be scraped, enabling water to flow into a water guide pipe 5 in the transverse plate 4 through a water inlet pipe 2, enabling the bottom end of the water guide pipe 5 to be connected with a plurality of shower heads 6, enabling the water flow to be evenly sprayed on the inner side wall of the main body 1, flushing the sediment, and enabling the sediment to flow to drain 13 under the action of the water flow under the water flow, and being convenient for removing the sediment attached to the inner side wall of the main body 1.
The anti-clogging mechanism 22 includes: a drainage groove 13 penetrating through the bottom end of the main body 1 and close to the right side; two groups of sliding grooves 14 are respectively arranged at the bottom end of the inside of the drainage groove 13 and are close to two ends; the hydraulic telescopic rod 15 is arranged at the bottom end inside the chute 14; a slide plate 16 arranged at the upper end of the hydraulic telescopic rod 15; at least one group of grooves 17 are formed on the inner side wall of the sliding plate 16; the wheel disc 19 is arranged between the grooves 17; and the first motor 18 is arranged at the right end of the wheel disc 19.
When a large amount of sediment blocks the drain tank 13, the slide plate 16 is moved up and down along the slide groove 14 by the hydraulic telescopic rod 15, so that the wheel plate 19 slides in and out inside the drain tank 13, and then the wheel plate 19 is rotated between the grooves 17 by the first motor 18, and by repeating the above operation, the blocked sediment can be crushed so that it can flow out of the drain tank 13 along the water flow, and finally the main body 1 is discharged from the water outlet pipe 3.
Wherein the transverse plate 4, the transverse rod I8 and the transverse rod II 9 are arranged in parallel; the second motor is arranged at the upper end of the transverse plate 4 and is close to the middle position; wherein, the bottom end of the motor II is fixedly connected with the upper end of the rotating shaft 7; the cross clamping groove is formed in the bottom end of the inside of the main body 1 and is close to the middle position; wherein, the cross clamping block 12 is arranged in the cross clamping groove in a clamping way; wherein, the rotating shaft 7 is movably arranged with the main body 1 by the cross clamping block 12 matched with the cross clamping groove.
Wherein the right end of the water inlet pipe 2 is communicated with the water guide pipe 5; wherein the upper end of the shower head 6 is communicated with the water guide pipe 5; wherein, gondola water faucet 6 bottom and diaphragm 4 bottom parallel and level each other set up.
Wherein, the vertical scraping plate 10 is tightly attached to the inner side wall of the main body 1; wherein, two sets of vertical scraping plates 10 are parallel to each other, and the water drainage tank 13 right-hand member is linked together with outlet pipe 3.
The slide plate 16 slides up and down in the chute 14 through the hydraulic telescopic rod 15, a plurality of groups of transverse grooves are formed in the outer side face of the wheel disc 19, and the upper end of the wheel disc 19 is attached to the side wall of the top end in the drainage groove 13.
A treatment method of dicumyl peroxide condensation wastewater comprises the following steps:
step one: taking a solution with the concentration of N-503 in cumene of 5-15vol%, preferably 10-15vol% as an extractant system; adjusting the pH of the DCP condensation wastewater to a value of 1 to 6, preferably 2 to 5, more preferably 2 to 3; performing liquid-liquid extraction on DCP condensation wastewater by using an extractant system; and allowing the treated wastewater to enter an atmospheric distillation tower for distillation, and recovering a distillate after condensing;
the step of adjusting the pH of the DCP condensation wastewater comprises adjusting the pH of the DCP condensation wastewater using an acidic wastewater after the spent caustic acid in the plant;
the liquid-liquid extraction step comprises controlling the volume ratio DCP condensation wastewater to the extractant system: the extractant system is less than or equal to 1, preferably 1:1 to 1.5, more preferably 1:1, a step of;
step two: the liquid-liquid extraction step comprises three-stage or four-stage reverse extraction of DCP condensed wastewater by using an extractant system. Taking three-stage reverse extraction as an example, the liquid-liquid extraction steps include: allowing DCP condensation wastewater to enter a first settling tank for first-stage extraction, separating, and then allowing the wastewater to exit from the bottom; enabling the wastewater from the bottom of the first settling tank to enter a second settling tank for second-stage extraction, and separating the wastewater from the bottom; enabling the wastewater from the bottom of the second settling tank to enter a third settling tank for third-stage extraction, and separating the wastewater from the bottom; wherein the trend of the extractant system is opposite to that of DCP condensation wastewater, the extractant system firstly enters a third settling tank to perform third-stage extraction, after separation, the extract is discharged from the top, the extract from the top of the third settling tank enters a second settling tank to perform second-stage extraction, and after separation, the extract is discharged from the top; the extraction liquid from the top of the second settling tank enters the first settling tank to perform the first-stage extraction, and after separation, the extraction liquid is discharged from the top. The process of four stage countercurrent extraction is similar to that of three stage countercurrent extraction.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The method for treating the dicumyl peroxide condensation wastewater is characterized by comprising the following steps of:
a main body (1);
the water inlet pipe (2) is arranged at the left side of the main body (1) and is close to the upper end;
the water outlet pipe (3) is arranged at the position, close to the bottom end, of the right side of the main body (1);
the transverse plate (4) is arranged between the side walls of the main body (1) and is close to the top;
a scraping mechanism (21) provided at an inner position of the main body (1);
and an anti-blocking mechanism (22) arranged at the bottom of the main body (1).
2. The method for treating dicumyl peroxide condensation wastewater according to claim 1, which is characterized in that: the scraping mechanism (21) comprises:
a water guide pipe (5) which is arranged at the middle position inside the transverse plate (4);
the shower head (6) is embedded at the bottom end of the transverse plate (4);
the rotating shaft (7) is arranged at the upper end of the transverse plate (4) in a penetrating way and is close to the middle position;
the first cross rod (8) is arranged on the rotating shaft (7) at a position close to the cross plate (4);
the second cross rod (9) is sleeved on the rotating shaft (7) and is close to the bottom;
the vertical scraping plate (10) is arranged between the first cross rod (8) and the second cross rod (9);
the transverse scraping plate (11) is arranged at the bottom end of the second cross rod (9);
the cross clamping block (12) is arranged at the bottom end of the rotating shaft (7).
3. The method for treating dicumyl peroxide condensation wastewater according to claim 1, which is characterized in that: the anti-clogging mechanism (22) comprises:
the drainage groove (13) is penetrated and arranged at the position, close to the right, of the bottom end in the main body (1);
two groups of sliding grooves (14) are respectively arranged at the positions, close to two ends, of the bottom end inside the drainage groove (13);
the hydraulic telescopic rod (15) is arranged at the bottom end inside the chute (14);
a sliding plate (16) arranged at the upper end of the hydraulic telescopic rod (15);
at least one group of grooves (17) are formed in the inner side wall of the sliding plate (16);
the wheel disc (19) is arranged between the grooves (17);
and the motor I (18) is arranged at the right end of the wheel disc (19).
4. The method for treating dicumyl peroxide condensation wastewater according to claim 1, which is characterized in that:
wherein the transverse plate (4), the first transverse rod (8) and the second transverse rod (9) are arranged in parallel;
the second motor is arranged at the upper end of the transverse plate (4) and is close to the middle position;
wherein the bottom end of the motor II is fixedly connected with the upper end of the rotating shaft (7);
the cross clamping groove is formed in the position, close to the middle, of the bottom end of the inside of the main body (1);
wherein, the cross clamping block (12) is arranged in the cross clamping groove in a clamping way;
the rotating shaft (7) is movably arranged with the main body (1) through a cross clamping block (12) matched with the cross clamping groove.
5. The method for treating dicumyl peroxide condensation wastewater according to claim 1, which is characterized in that:
wherein the right end of the water inlet pipe (2) is communicated with the water guide pipe (5);
wherein the upper end of the shower head (6) is communicated with the water guide pipe (5);
wherein, gondola water faucet (6) bottom with diaphragm (4) bottom parallel and level each other sets up.
6. The method for treating dicumyl peroxide condensation wastewater according to claim 2, characterized by comprising the steps of:
wherein the vertical scraping plate (10) is tightly attached to the inner side wall of the main body (1);
the two groups of vertical scrapers (10) are arranged in parallel, and the right end of the drainage groove (13) is communicated with the water outlet pipe (3).
7. A method for treating dicumyl peroxide condensation wastewater according to claim 3, characterized in that: the sliding plate (16) slides up and down in the sliding groove (14) through the hydraulic telescopic rod (15), a plurality of groups of transverse grooves are formed in the outer side face of the wheel disc (19), and the upper end of the wheel disc (19) is attached to the side wall of the top end in the drainage groove (13).
8. The method for treating dicumyl peroxide condensed wastewater according to any one of claims 1 to 7, which is characterized in that the specific treatment method comprises the following steps:
step one: taking a solution with the concentration of N-503 in cumene of 5-15vol%, preferably 10-15vol% as an extractant system; adjusting the pH of the DCP condensation wastewater to a value of 1 to 6, preferably 2 to 5, more preferably 2 to 3; performing liquid-liquid extraction on DCP condensation wastewater by using an extractant system; and allowing the treated wastewater to enter an atmospheric distillation tower for distillation, and recovering a distillate after condensing;
the step of adjusting the pH of the DCP condensation wastewater comprises adjusting the pH of the DCP condensation wastewater using an acidic wastewater after the spent caustic acid in the plant;
the liquid-liquid extraction step comprises controlling the volume ratio DCP condensation wastewater to the extractant system: the extractant system is less than or equal to 1, preferably 1:1 to 1.5, more preferably 1:1, a step of;
step two: the liquid-liquid extraction step comprises three-stage or four-stage reverse extraction of DCP condensation wastewater by using an extractant system;
taking three-stage reverse extraction as an example, the liquid-liquid extraction steps include: allowing DCP condensation wastewater to enter a first settling tank for first-stage extraction, separating, and then allowing the wastewater to exit from the bottom; enabling the wastewater from the bottom of the first settling tank to enter a second settling tank for second-stage extraction, and separating the wastewater from the bottom; enabling the wastewater from the bottom of the second settling tank to enter a third settling tank for third-stage extraction, and separating the wastewater from the bottom; wherein the trend of the extractant system is opposite to that of DCP condensation wastewater, the extractant system firstly enters a third settling tank to perform third-stage extraction, after separation, the extract is discharged from the top, the extract from the top of the third settling tank enters a second settling tank to perform second-stage extraction, and after separation, the extract is discharged from the top; allowing the extract from the top of the second settling tank to enter the first settling tank to perform first-stage extraction, and separating the extract from the top;
the process of four stage countercurrent extraction is similar to that of three stage countercurrent extraction.
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| CN202211738482.1A CN116143220A (en) | 2022-12-31 | 2022-12-31 | Treatment method of dicumyl peroxide condensation wastewater |
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| CN202211738482.1A CN116143220A (en) | 2022-12-31 | 2022-12-31 | Treatment method of dicumyl peroxide condensation wastewater |
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2022
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| CN103787442A (en) * | 2012-10-31 | 2014-05-14 | 中国石油化工集团公司 | Dicumyl peroxide condensation waste water treatment method |
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| CN210612974U (en) * | 2019-05-30 | 2020-05-26 | 广州市方海实业有限公司 | Wastewater treatment sedimentation tank convenient for cleaning sediments |
| CN113198227A (en) * | 2021-04-07 | 2021-08-03 | 谢宏伟 | Sewage pipeline device capable of performing targeted treatment on sludge |
| CN216191699U (en) * | 2021-09-28 | 2022-04-05 | 永顺环保工业(太仓)有限公司 | Evaporation treatment device based on industrial wastewater emission reduction |
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