CN205974092U - Preliminary treatment dephosphorization of hydrogen peroxide solution waste water and organic matter device - Google Patents
Preliminary treatment dephosphorization of hydrogen peroxide solution waste water and organic matter device Download PDFInfo
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- CN205974092U CN205974092U CN201620944092.3U CN201620944092U CN205974092U CN 205974092 U CN205974092 U CN 205974092U CN 201620944092 U CN201620944092 U CN 201620944092U CN 205974092 U CN205974092 U CN 205974092U
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Abstract
The utility model discloses a preliminary treatment dephosphorization of hydrogen peroxide solution waste water and organic matter device, including hydrogen peroxide solution wastewater collection groove, ferrous sulfate groove, high concentration wastewater collection pond, initial response pond, second reaction tank, third response pond, fourth reaction tank, first sedimentation tank, second sedimentation tank and waste liquid alkali groove, leading -in carclazyte regeneration of hydrogen peroxide solution workshop or the catalyst regeneration waste water of coming from of waste pipe that high concentration wastewater collection pond inlet is connected. The utility model discloses utilize the device exhaust on a small quantity useless hydrogen peroxide solution and a small amount of waste lye dispose of sewage, obtain the waste control by waste result, fine economic benefits has. The hydrogen peroxide solution self is decomposed into H2O and O2 after handling the organic matter in the sewage, does not produce secondary pollution to the environment to the running cost is low, need not establish the special messenger post, per hour patrols and examines once just. Can fall to 2.5mgL by original 200mgL with the phosphorus in the waste water, COD can fall about 50%, reduces the expense at sewage treatment station by a wide margin.
Description
Technical field
This utility model is related to wastewater treatment equipment technical field, specially a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization
And Organic substance device.
Background technology
The technique of hydrogen dioxide solution production by anthraquinone process is with 2 EAQ as working material, with trioctyl phosphate, acetate and
Heavy aromatics is solvent, is recycled to the process of hydrogenation, obtains after processing using palladium catalytic hydrogenation, air oxidation, extraction and working solution
To the dioxygen aquatic products of 27.5% concentration, aided process has working solution to process, hargil is changed and catalyst regneration etc..In its production
The main source of waste water has the washings prepared working solution and produce, liquid caustic soda to process the fixed containing alkali waste water, oxidizing tower of working solution generation
Produce, when phase discharge is containing hydrogen peroxide and phosphatic waste water, hargil replacing and catalyst regneration, condensed water, the raffinate containing high concentration COD
Liquid/gas separator contains acid hydrogen peroxide waste water and other waste water on a small quantity.And every kind of waste water is more or less taken out of in discharge
Working solution, increased the difficulty of sewage disposal.If these waste water all to Sewage Disposal, can increase the negative of sewage disposal
Lotus, low when high during COD (6000mg/L, 1500mg/L when minimum during highest), workshop hargil is changed and catalyst regneration is irregular
, there is no this effluent part at ordinary times, once occurring the short time to produce a large amount of waste water sewage disposal system is caused with great punching
Hit, if the system that disposably enters makes whole system lose efficacy certainly.And hydrogen peroxide can be biochemical thin Sewage Disposal in waste water
Bacterium kills, although phosphorus can remove, relatively costly.Therefore, how to be directed to the characteristic of waste water, using existence conditionses, waste water is carried out
Pretreatment, to reducing cost of sewage disposal, mitigating sewage treatment load has positive effect.
Utility model content
The purpose of this utility model is to provide a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization and Organic substance device, utilizes
Existence conditionses carry out pretreatment to waste water, mainly remove phosphorus therein and COD, to ensure each ingredient stability in sewage, reduce dirty
Cost of water treatment, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme：A kind of Hydrogen Peroxide Production Wastewater Pretreatment is removed
Phosphorus and Organic substance device, including hydrogen peroxide waste water collection tank, ferrous sulfate groove, high-concentration waste water collecting pit, the first reaction tank,
Two reaction tanks, the 3rd reaction tank, the 4th reaction tank, the first sedimentation tank, the second sedimentation tank and waste liquid alkali groove, described high-concentration waste water
The waste pipe that collecting pit inlet connects imports and is derived from hydrogen peroxide workshop clay regeneration or catalyst regneration waste water, high-concentration waste water
The outlet of collecting pit passes through the water inlet that the first waste water tube for transfusion connects high-concentration waste water delivery pump, high-concentration waste water delivery pump
By certain flow, waste water is passed through the second waste water tube for transfusion and import the first reaction tank, and high-concentration waste water delivery pump and first
The second waste water tube for transfusion between reaction tank is provided with high-concentration waste water delivery pump outlet valve.
The raffinate accumulator tank that described hydrogen peroxide waste water collection tank inlet connects will import from hydrogen peroxide workshop raffinate water
In hydrogen peroxide waste water collection tank, the outlet of hydrogen peroxide waste water collection tank passes through the first pipeline and connects hydrogen peroxide waste water delivery pump
Water inlet, hydrogen peroxide waste water delivery pump is pressed certain flow and by second pipe, waste water is imported the first reaction tank, and dioxygen
Second pipe between water waste water delivery pump and the first reaction tank is provided with hydrogen peroxide waste water delivery pump outlet valve.
Described ferrous sulfate groove provides ferrous sulfate and is transported to the first reaction by ferrous sulfate delivery pump by certain flow
Pond, the water pipe being connected between ferrous sulfate delivery pump and the first reaction tank is provided with and controls the ferrous sulfate conveying pump discharge opened
Valve.
The quick lime that described first reaction tank top opens up adds mouth importing quick lime to be reacted, and the first reaction tank connects
The trachea connecing is provided with the compressed air inlet valve controlling compressed air to enter, and between the first reaction tank and the second reaction tank
The liquid of initial reaction is imported the second reaction tank and carries out second step reaction by the liquid-transport pipe-line connecting, the reacted liquid of second step
Imported in the 3rd reaction tank by the first aqueduct that the second reaction tank outlet connects and carry out three-step reaction.
Described 3rd reaction tank passes through the second aqueduct and the liquid of three-step reaction is imported the 4th reaction tank, the 4th reaction
The outlet in pond is connected with the 3rd aqueduct, and two arms that the 3rd aqueduct connects are heavy with the first sedimentation tank and second respectively
Shallow lake pond connects, and is respectively equipped with the first sedimentation tank inlet valve and the second sedimentation tank inlet valve, the second sedimentation tank on two arms
Outlet be connected with the water inlet of waste water delivery pump by the first delivery line, waste water delivery pump outlet connect second derivation
Pipe is provided with waste water delivery pump outlet valve.
Described 3rd reaction tank passes through the first water pipe and waste liquid alkali delivery pump, and the first water pipe is provided with the conveying of waste liquid alkali
Pump discharge valve, the water inlet of waste liquid alkali delivery pump is connected with waste liquid alkali groove by the second water pipe.
Preferably, the level chain device being provided with described ferrous sulfate groove is interlocked with ferrous sulfate delivery pump.
Preferably, the waste liquid alkali in described waste liquid alkali groove is derived from and prepares the waste water discharged during workshop section's liquid caustic soda process working solution,
This effluent part contains liquid caustic soda, and the wastewater collection of discharge, in waste liquid alkali, is mended in the 3rd reaction tank by waste liquid alkali delivery pump
Plus, control certain flow, adjusted according to the pH value of the 3rd reaction tank, control pH value be-.
Preferably, the volume size of described high-concentration waste water collecting pit is determined according to the scale of hydrogen peroxide plant.
Preferably, whether described first reaction tank and the second reaction tank have one or two according to volume number come fixed.
This utility model provide a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization and Organic substance device have following beneficial
Effect：
1st, this utility model processes sewage using give up on a small quantity hydrogen peroxide and a small amount of spent lye that device is discharged, obtains with useless
Control useless result, there is good economic benefit, after the Organic substance in the complete sewage of dioxygen water process, itself is decomposed into H2O and O2, right
Environment does not produce secondary pollution, and operating cost low it is not necessary to set special messenger post, patrol and examine per hour once just.Can will give up
Phosphorus in water drops to 2.5mg/L by original 200mg/L；COD can drop 50% about, and the expense of Sewage Disposal is greatly reduced
With；
2nd, this utility model can process high-concentration waste water and phosphorus it is also possible to individual processing high-concentration waste water or phosphorus simultaneously,
Can be according to waste water situation flexible.
Brief description
Fig. 1 is this utility model structural representation.
In figure：1 waste pipe, 2 hydrogen peroxide waste water collection tank, 3 raffinate accumulator tanks, 4 ferrous sulfate grooves, 5 ferrous sulfate are defeated
Send pump discharge valve, 6 ferrous sulfate delivery pumps, 7 hydrogen peroxide waste water delivery pump outlet valves, 8 hydrogen peroxide waste water delivery pumps, 9 high concentrations
Waste water delivery pump outlet valve, 10 high-concentration waste water delivery pumps, 11 high-concentration waste water collecting pits, 12 compressed air inlet valves, 13
One reaction tank, 14 quick lime add mouth, 15 compressed air inlet valves, 16 second reaction tanks, 17 the 3rd reaction tanks, 18 the 4th reactions
Pond, 19 first sedimentation tank inlet valves, 20 second sedimentation tank inlet valves, 21 waste water delivery pump outlet valves, 22 first sedimentation tanks, 23
Two sedimentation tanks, 24 waste water delivery pumps, 25 waste liquid alkali delivery pump outlet valves, 26 waste liquid alkali delivery pumps, 27 waste liquid alkali grooves.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in figure 1, a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization and Organic substance device, including hydrogen peroxide wastewater collection
Groove 2, ferrous sulfate groove 4, high-concentration waste water collecting pit 11, the first reaction tank 13, the second reaction tank 16, the 3rd reaction tank 17,
Four reaction tanks 18, the first sedimentation tank 22, the second sedimentation tank 23 and waste liquid alkali groove 27, high-concentration waste water collecting pit 11 inlet connects
Waste pipe 1 import be derived from hydrogen peroxide workshop clay regeneration or catalyst regneration waste water, the water outlet of high-concentration waste water collecting pit 11
Mouth connects the water inlet of high-concentration waste water delivery pump 10 by the first waste water tube for transfusion, and high-concentration waste water delivery pump 10 is pressed certain
Waste water is passed through the second waste water tube for transfusion and imports the first reaction tank 13 by flow, and high-concentration waste water delivery pump 10 and the first reaction
The second waste water tube for transfusion between pond 13 is provided with high-concentration waste water delivery pump outlet valve 9.
As shown in figure 1, the raffinate accumulator tank 3 that hydrogen peroxide waste water collection tank 2 inlet connects will extract from hydrogen peroxide workshop
Yu Shui imports in hydrogen peroxide waste water collection tank 2, and the outlet of hydrogen peroxide waste water collection tank 2 passes through the first pipeline connection hydrogen peroxide and gives up
The water inlet of water delivery pump 8, hydrogen peroxide waste water delivery pump 8 is pressed certain flow and by second pipe, waste water is imported the first reaction
Second pipe between pond 13, and hydrogen peroxide waste water delivery pump 8 and the first reaction tank 13 is provided with hydrogen peroxide waste water delivery pump
Outlet valve 7.
As shown in figure 1, ferrous sulfate groove 4 provides ferrous sulfate and is transported to by certain flow by ferrous sulfate delivery pump 6
First reaction tank 13, the water pipe being connected between ferrous sulfate delivery pump 6 and the first reaction tank 13 is provided with and controls the sulphuric acid opened
Ferrous delivery pump outlet valve 5.
As shown in figure 1, the quick lime that the first reaction tank 13 top opens up adds mouth 14 to import quick lime being reacted, first
The trachea connecting on reaction tank 13 is provided with the compressed air inlet valve 12 controlling compressed air to enter, and the first reaction tank 13
It is anti-that liquid importing second reaction tank 16 of initial reaction is carried out second step by the liquid-transport pipe-line being connected between the second reaction tank 16
Should, the reacted liquid of second step passes through in the first aqueduct importing the 3rd reaction tank 17 that the second reaction tank 16 outlet connects
Carry out three-step reaction.
As shown in figure 1, the 3rd reaction tank 17 passes through the second aqueduct and the liquid of three-step reaction is imported the 4th reaction tank
18, the outlet of the 4th reaction tank 18 is connected with the 3rd aqueduct, and two arms that the 3rd aqueduct connects are respectively with first
Sedimentation tank 22 and the second sedimentation tank 23 connect, and are respectively equipped with the first sedimentation tank inlet valve 19 and the second precipitation on two arms
Pond inlet valve 20, the outlet of the second sedimentation tank 23 is connected with the water inlet of waste water delivery pump 24 by the first delivery line, waste water
The second delivery line that delivery pump 24 outlet connects is provided with waste water delivery pump outlet valve 21.
As shown in figure 1, the 3rd reaction tank 17 passes through the first water pipe and waste liquid alkali delivery pump 26, and the first water pipe is provided with
Waste liquid alkali delivery pump outlet valve 25, the water inlet of waste liquid alkali delivery pump 26 is connected with waste liquid alkali groove 27 by the second water pipe.
The level chain device being provided with ferrous sulfate groove 4 is interlocked with ferrous sulfate delivery pump.It is automatic that liquid level crosses pump during bottom
Stop, automatic running when liquid level reaches normal.This pump starts when processing high-concentration waste water, if just not processing during high-concentration waste water
Out of service.
Waste liquid alkali in waste liquid alkali groove 27 is derived from prepares the waste water discharged during workshop section's liquid caustic soda process working solution, this effluent part
Containing liquid caustic soda, the wastewater collection of discharge, in waste liquid alkali, is added in the 3rd reaction tank 17 by waste liquid alkali delivery pump 26, controls
Certain flow, the pH value according to the 3rd reaction tank 17 is adjusted, and control pH value is 7-8.
The volume size of high-concentration waste water collecting pit 11 is determined according to the scale of hydrogen peroxide plant.If a set of 100,000 tons of dioxygens
As a example water installations scale, each hargil changes about 400 cubes of the wastewater flow rate producing, and therefore 100,000 tons hydrogen peroxide high-concentration waste waters are received
Collection cell body amasss at least wants 500 cubes, is furnished with delivery pump, low discharge is slowly processed at ordinary times, mitigates the impact to system for the hc effluent.
This wastewater collection pond locates below ground level, so delivery pump adopts self-controlling self-priming pump.
Whether the first reaction tank 13 and the second reaction tank 16 have one or two according to volume number come fixed.Reaction to be ensured stops
Stay the time 20 hours about, the pH value of this reaction controls in 7-8, to be adjusted by the quick lime adding, to be agitated by air during reaction
Substitute stirring.
After reacted, most phosphate and lime mud are deposited in sedimentation tank bottom, need labor cleaning, therefore precipitate
Pond is provided with two, and one opens one standby, and the sedimentation tank supernatant processes further through being pumped into Sewage Disposal.
After Organic substance in the complete sewage of dioxygen water process, itself is decomposed into H2O and O2, secondary pollution is not produced to environment.Fortune
Row low cost, it is not necessary to set special messenger post, is patrolled and examined once just per hour.Can be by the phosphorus in waste water by original 200mg/L
Drop to 2.5mg/L；COD can drop 50% about, and the expense of Sewage Disposal is greatly reduced.
During use：
1st, the useless hydrogen peroxide being derived from hydrogen peroxide workshop enters into after useless dioxygen water collecting groove 2 by potential difference, hydrogen peroxide waste water
Delivery pump 8, hydrogen peroxide waste water delivery pump outlet valve 7, enter into the first reaction tank 13 after controlling certain flow；Hydrogen peroxide waste water is defeated
Equipped with effusion meter, hydrogen peroxide waste water delivery pump 8 and useless dioxygen water collecting groove 2 liquid level carry out two position connection to the pump discharge sending pump 8
Lock；
2nd, add addition quick lime in mouth 14 toward the quick lime of the first reaction tank 13, open compressed air inlet valve 12 and carry out
Agitate, the addition of Calx is defined by pH value 7-8；
3rd, start ferrous sulfate delivery pump 6, and open ferrous sulfate delivery pump outlet valve 5, enter after controlling certain flow
To the first reaction tank 13, the pump discharge of ferrous sulfate delivery pump 6 is equipped with effusion meter, ferrous sulfate delivery pump 6 and ferrous sulfate groove 4
Liquid level carries out two position interlocking, and is provided with live stop button, when not processing high-concentration waste water, stops adding sulphuric acid sub-
Ferrum；
4th, start high-concentration waste water delivery pump 10, open high-concentration waste water delivery pump outlet valve 9, control certain flow laggard
Enter to the first reaction tank 13；
5th, after the first reaction tank 13 overflows to the second reaction tank 16, open compressed air inlet valve 15, then overflow to the 3rd
After reaction tank 17, start blender, and start waste liquid alkali delivery pump 26 control certain flow after enter into the 3rd reaction tank 17, then
Overflow to the 4th reaction tank 18, after the 3rd reaction tank 17 and the 4th reaction tank 18 reach requirement liquid level, start corresponding stirring
Machine.The pH value of the 3rd reaction tank 17 leans on waste liquid alkali to adjust, and controls pH value 7-8.Waste water enters into the first sedimentation tank 22 afterwards, etc.
When precipitation needs cleaning, replace the second sedimentation tank 23 in time, waste water is transported to by supernatant waste water delivery pump 24 afterwards
Sewage Disposal, enters subsequent processing and processes.
And note following main points：Shutdown of short term stirring must not be shut down, and long-time parking should stop blender in time；Each reaction tank
Mesh to dredge in time, it is to avoid have sewage overflows phenomenon；When waste liquid alkali is using deficiency, can substitute to adjust PH with Calx
Value.
Principle：H2O2-Fe2+The Oxidation of system is it is contemplated that the Wastewater Pollutant producing in Hydrogen Peroxide Production contains H2O2And
The characteristic of Organic substance, we adopt H2O2-Fe2+The Oxidation of system is processed to Hydrogen Peroxide Production waste water, hydrogen peroxide warp
Free radical-the OH that ferrous catalysis oxidation produces has extremely strong oxidability, the oxidation operation in waste water can be decomposed into CO2
And H2O, and add quick lime CaO, it is allowed to the PO in waste water4 3-Produce precipitate calcium phosphate therewith, so that the COD in waste water
Substantially reduce with phosphonium ion, then adjust the pH value 7～8 of waste water with preparing the salkali waste (Main Ingredients and Appearance NaOH) processing working solution,
The Fe (OH) generating3With flocculant (using the Fe producing in system2+Form Fe (OH)2Flco replace flocculant) precipitation after, make
Waste water is purified, then is transported to Sewage Disposal and processes further.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization and Organic substance device, sub- including hydrogen peroxide waste water collection tank (2), sulphuric acid
Metal trough (4), high-concentration waste water collecting pit (11), the first reaction tank (13), the second reaction tank (16), the 3rd reaction tank (17),
Four reaction tanks (18), the first sedimentation tank (22), the second sedimentation tank (23) and waste liquid alkali groove (27) it is characterised in that：Described highly concentrated
The waste pipe (1) that degree wastewater collection pond (11) inlet connects imports and gives up from hydrogen peroxide workshop clay regeneration or catalyst regneration
Water, the outlet of high-concentration waste water collecting pit (11) passes through the first waste water tube for transfusion and connects entering of high-concentration waste water delivery pump (10)
The mouth of a river, high-concentration waste water delivery pump (10) is pressed certain flow and waste water is passed through second waste water tube for transfusion importing the first reaction tank
, and the second waste water tube for transfusion between high-concentration waste water delivery pump (10) and the first reaction tank (13) is provided with high concentration (13)
Waste water delivery pump outlet valve (9)；
The raffinate accumulator tank (3) that described hydrogen peroxide waste water collection tank (2) inlet connects will be led from hydrogen peroxide workshop raffinate water
Enter in hydrogen peroxide waste water collection tank (2), the outlet of hydrogen peroxide waste water collection tank (2) passes through the first pipeline and connects hydrogen peroxide waste water
The water inlet of delivery pump (8), certain flow pressed by hydrogen peroxide waste water delivery pump (8), and waste water is anti-by second pipe importing first
Second pipe between Ying Chi (13), and hydrogen peroxide waste water delivery pump (8) and the first reaction tank (13) is provided with hydrogen peroxide and gives up
Water delivery pump outlet valve (7)；
Described ferrous sulfate groove (4) provides ferrous sulfate and to be transported to first by ferrous sulfate delivery pump (6) by certain flow anti-
Ying Chi (13), the water pipe being connected between ferrous sulfate delivery pump (6) and the first reaction tank (13) is provided with and controls the sulphuric acid opened
Ferrous delivery pump outlet valve (5)；
The quick lime that described first reaction tank (13) top opens up adds mouth (14) importing quick lime to be reacted, the first reaction tank
(13) the upper trachea connecting is provided with the compressed air inlet valve (12) controlling compressed air to enter, and the first reaction tank (13)
The liquid of initial reaction is imported the second reaction tank (16) and carries out second by the liquid-transport pipe-line being connected between the second reaction tank (16)
Step reaction, the reacted liquid of second step passes through the first aqueduct importing the 3rd reaction that the second reaction tank (16) outlet connects
Pond carries out three-step reaction in (17)；
Described 3rd reaction tank (17) passes through the second aqueduct and the liquid of three-step reaction is imported the 4th reaction tank (18), and the 4th
The outlet of reaction tank (18) is connected with the 3rd aqueduct, on the 3rd aqueduct connect two arms respectively with the first sedimentation tank
(22) and the second sedimentation tank (23) connects, and is respectively equipped with the first sedimentation tank inlet valve (19) and the second precipitation on two arms
Pond inlet valve (20), the outlet of the second sedimentation tank (23) is passed through the first delivery line and is connected with the water inlet of waste water delivery pump (24)
Connect, the second delivery line that waste water delivery pump (24) outlet connects is provided with waste water delivery pump outlet valve (21)；
Described 3rd reaction tank (17) passes through the first water pipe and waste liquid alkali delivery pump (26), and the first water pipe is provided with waste liquid alkali
Delivery pump outlet valve (25), the water inlet of waste liquid alkali delivery pump (26) is connected with waste liquid alkali groove (27) by the second water pipe.
2. a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization according to claim 1 and Organic substance device it is characterised in that：
The level chain device being provided with described ferrous sulfate groove (4) is interlocked with ferrous sulfate delivery pump.
3. a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization according to claim 1 and Organic substance device it is characterised in that：
Waste liquid alkali in described waste liquid alkali groove (27) is derived from prepares the waste water discharged during workshop section's liquid caustic soda process working solution, and this effluent part contains
There is liquid caustic soda, the wastewater collection of discharge, in waste liquid alkali, is added in the 3rd reaction tank (17) by waste liquid alkali delivery pump (26), control
Certain flow processed, the pH value according to the 3rd reaction tank (17) is adjusted, and control pH value is 7-8.
4. a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization according to claim 1 and Organic substance device it is characterised in that：
The volume size of described high-concentration waste water collecting pit (11) is determined according to the scale of hydrogen peroxide plant.
5. a kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization according to claim 1 and Organic substance device it is characterised in that：
Whether described first reaction tank (13) and the second reaction tank (16) have one or two according to volume number come fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944092.3U CN205974092U (en) | 2016-08-24 | 2016-08-24 | Preliminary treatment dephosphorization of hydrogen peroxide solution waste water and organic matter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944092.3U CN205974092U (en) | 2016-08-24 | 2016-08-24 | Preliminary treatment dephosphorization of hydrogen peroxide solution waste water and organic matter device |
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| CN205974092U true CN205974092U (en) | 2017-02-22 |
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ID=58035310
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277442A (en) * | 2016-08-24 | 2017-01-04 | 江山市双氧水有限公司 | A kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization and Organic substance device |
| CN112794508A (en) * | 2021-01-05 | 2021-05-14 | 江山市双氧水有限公司 | Pretreatment method for wastewater generated in production of hydrogen peroxide by anthraquinone process |
-
2016
- 2016-08-24 CN CN201620944092.3U patent/CN205974092U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277442A (en) * | 2016-08-24 | 2017-01-04 | 江山市双氧水有限公司 | A kind of Hydrogen Peroxide Production Wastewater Pretreatment dephosphorization and Organic substance device |
| CN112794508A (en) * | 2021-01-05 | 2021-05-14 | 江山市双氧水有限公司 | Pretreatment method for wastewater generated in production of hydrogen peroxide by anthraquinone process |
| CN112794508B (en) * | 2021-01-05 | 2022-07-05 | 江山市双氧水有限公司 | Pretreatment method for wastewater generated in production of hydrogen peroxide by anthraquinone process |
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