CN109052730A - A kind of phosphorized waste water processing method and processing system - Google Patents
A kind of phosphorized waste water processing method and processing system Download PDFInfo
- Publication number
- CN109052730A CN109052730A CN201811060438.3A CN201811060438A CN109052730A CN 109052730 A CN109052730 A CN 109052730A CN 201811060438 A CN201811060438 A CN 201811060438A CN 109052730 A CN109052730 A CN 109052730A
- Authority
- CN
- China
- Prior art keywords
- slot
- waste water
- pilot trench
- phosphorized waste
- value
- 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.)
- Withdrawn
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 55
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 45
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
- 230000008021 deposition Effects 0.000 claims abstract description 14
- 238000009287 sand filtration Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 8
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 8
- 239000010802 sludge Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 230000001376 precipitating effect Effects 0.000 claims abstract description 7
- 238000005189 flocculation Methods 0.000 claims abstract description 5
- 230000016615 flocculation Effects 0.000 claims abstract description 5
- 230000035484 reaction time Effects 0.000 claims description 15
- 239000002360 explosive Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 229910001453 nickel ion Inorganic materials 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000006071 cream Substances 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 7
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a kind of phosphorized waste water processing method and processing systems, the described method comprises the following steps: S01, mixing phosphatization dope and phosphorized waste water prepare mixed liquor；S02, adjustment pH value, NaOH, milk of lime are successively added in mixed liquor, pH value is adjusted to 9~11；S03, flocculation successively add PAC and PAM flocculant solution；S04, precipitating, the sludge being precipitated out utilize plate and frame filter press filters pressing；S05, pH value is reversely adjusted, adds HCl, pH value is adjusted to 6.5~8；The monitoring of S06, Ni content.The system comprises: phosphatization dope slot, phosphorized waste water slot, phosphating reaction slot, sloping plate deposition slot, materialized mud slot, sand filtration tank, pH demodulate slot.Method provided by the invention reduces heavy metal in waste water content by adjusting pH value, and monitors nickel content by its emphasis, it is ensured that nickel content is up to standard in phosphorized waste water is then exhausted from；System operatio provided by the invention is simple, it is only necessary to can control system overall operation monitoring the good each unit parameter of terminal control.
Description
Technical field
The present invention relates to field of waste water treatment, in particular to a kind of phosphorized waste water processing method and processing system.
Background technique
In order to guarantee automotive paints quality, before automobile body-in-white carries out coating, it is necessary to using phosphorization technology to white body
Inside and outside progress surface anticorrosion processing.Parkerizing process uses compound containing Ni, this process generates a large amount of waste water containing Ni, compound containing Ni
Belong to hypertoxic substance, therefore Ni is controlled as waste water a class of pollutant, it is necessary to it is handled in workshop treatment facility completion, and
Qualified discharge.And in the prior art, the content of beary metal in waste water is only usually adjusted by the pH value of monitoring phosphorized waste water, and neglect
Slightly to the monitoring of Ni content.It is difficult to determine and control the reaction time of phosphorized waste water pH value adjustment when adjusting pH value, when reaction
Between too long influence treatment effeciency, the Ni content in the reaction time the is too short phosphorized waste water that leads to that treated is exceeded.
Summary of the invention
In order to solve problems in the prior art, the embodiment of the invention provides a kind of phosphorized waste water processing method and processing systems
System.The technical solution is as follows:
On the one hand, a kind of phosphorized waste water processing method is provided, which comprises
S01, mixing phosphatization dope and phosphorized waste water, prepare mixed liquor；
S02, adjustment pH value, NaOH, milk of lime are successively added in the mixed liquor, pH value is adjusted to 9~11；
S03, flocculation successively add PAC and PAM flocculant solution；
S04, precipitating, the sludge being precipitated out utilize sheet frame filtering pressure machine filter pressure；
S05, pH value is reversely adjusted, adds HCl, pH value is adjusted to 6.5~8；
The monitoring of S06, Ni content.
Further, the reaction time for adding NaOH is no less than 10min；The reaction time of the feeding lime cream is not
Less than 10min.
Further, the reaction time for adding PAC is no less than 15min；The reaction time for adding PAM is no less than
15min。
Further, it is 10.5 that the adjustment pH value, which is by the pH value of the mixed liquor,.
Further, the method also includes: if Ni content is up to standard, mixed liquor is discharged；If Ni content is not up to standard, follow
Ring executes the step S01~S06, until Ni content is up to standard.
On the other hand, a kind of phosphorized waste water processing system is provided, the system comprises:
Phosphatization dope slot, phosphorized waste water slot, phosphating reaction slot, sloping plate deposition slot, materialized mud slot, sand filtration tank, pH are demodulated
Slot；Wherein, the phosphating reaction slot includes to pass sequentially through the first pilot trench, the second pilot trench, third pilot trench that automatic valve is connected
With the 4th pilot trench；The phosphatization dope slot and phosphorized waste water slot are connected to first pilot trench by automatic valve；Described
Four pilot trench are connected to the sloping plate deposition slot by automatic valve；The sloping plate deposition slot respectively with materialized mud slot and sand filtration tank
It is connected to by automatic valve；The pH demodulate slot include the 5th pilot trench for passing sequentially through automatic valve and being connected, the 6th pilot trench and
7th pilot trench；The sand filtration tank is connected to the 5th pilot trench；7th pilot trench is set there are two discharge outlet, one of draining
Mouth is connected to by automatic valve with the phosphorized waste water slot.
Further, the sloping plate deposition slot is connected between materialized mud slot by screw-rod delivery pump respectively.
Further, the 7th pilot trench is pick trough.
Further, first pilot trench, the second pilot trench, the 5th pilot trench are equipped with automatic drip explosive barrel, online pH monitor
And blender, the third pilot trench, the 4th pilot trench are equipped with automatic drip explosive barrel and blender；6th pilot trench connects online nickel
Ion monitoring instrument.
Further, the system also includes monitor terminal, the monitor terminal is supervised with automatic drip explosive barrel, online pH respectively
Instrument, blender, online nickel ion monitor, automatic valve is surveyed to be wirelessly connected.
Technical solution provided in an embodiment of the present invention has the benefit that
1, method provided by the invention has determined that phosphorized waste water pH value adjusts the most short crash time and pH value reacted
Adjusting range is conducive to improve waste water treatment efficiency under the premise of guaranteeing sufficiently reflection；
2, method provided by the invention reduces heavy metal in waste water content by adjusting pH value, and is contained by its emphasis monitoring nickel
Amount, it is ensured that nickel content is up to standard in phosphorized waste water is then exhausted from；
3, system operatio provided by the invention is simple, it is only necessary to can control system monitoring the good each unit parameter of terminal control
Overall operation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of phosphorized waste water processing method flow chart that the embodiment of the present invention 2 provides；
Fig. 2 is a kind of phosphorized waste water processing system structural schematic diagram that the embodiment of the present invention 2 provides；
Fig. 3 is the phosphating reaction slot structure schematic diagram that the embodiment of the present invention 2 provides.
In figure: 1, phosphatization dope slot；2, phosphorized waste water slot；3, phosphating reaction slot；4, sloping plate deposition slot；5, materialized mud
Slot；6, sand filtration tank；7, pH demodulates slot；3.1, the first pilot trench；3.2, the second pilot trench；3.3, third pilot trench；3.4, the 4th pilot trench；
7.1, the 5th pilot trench；7.2, the 6th pilot trench；7.3, the 7th pilot trench；8, automatic drip explosive barrel；9, blender；10, automatic valve.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of phosphorized waste water processing method, comprising the following steps:
S01, mixing phosphatization dope and phosphorized waste water, prepare mixed liquor；
S02, adjustment pH value successively add NaOH in the mixed liquor, and the reaction time is no less than 10min；Milk of lime,
Reaction time is no less than 10min；The pH value of the mixed liquor is adjusted to 9~11, the present embodiment is preferably 10.5；
S03, flocculation successively add PAC flocculant solution, and the reaction time is no less than 15min；PAM flocculant solution, instead
No less than 15min is similarly between seasonable；
S04, precipitating, the sludge being precipitated out utilize sheet frame filtering pressure machine filter pressure；
S05, pH value is reversely adjusted, adds HCl, pH value is adjusted to 6.5~8；
S06, the monitoring of nickel (Ni) content；
If Ni content is up to standard, liquid is discharged；If Ni content is not up to standard, recycles and execute the step S01~S06, directly
It is up to standard to Ni content.
The present embodiment is defining that NaOH, milk of lime and PAC flocculant solution, PAM flocculant are molten based on a large amount of practices
The reaction time of mixed liquor is added in liquid, reacts it sufficiently with mixed liquor, adjusts mixed liquor pH value, reduces the huge sum of money in mixed liquor
Belong to content.Emphasis monitors nickel (Ni) content after demodulating mixed liquor pH value, it is ensured that discharge mixing after Ni content is up to standard in mixed liquor
Liquid.
Embodiment 2
As shown in Figure 1, solid arrow represents liquid flow direction in figure, dotted arrow represents sludge flow direction.In phosphatization dope slot
Phosphatization dope and phosphorized waste water slot in waste water mixed in phosphating reaction slot, pH value and wadding are adjusted in phosphating reaction slot
It is solidifying, it is precipitated in phosphatization precipitation tank, the sludge under precipitating enters after materialized mud slot through plate and frame filter press filters pressing, phosphatization precipitating
The liquid filtered out in slot, which enters, filters out impurity in sand filtration tank, demodulate pH value subsequently into pH adjustment tank, and monitor nickel (Ni) content.
The exceeded liquid of Ni content, which is realized, carries out next processing in phosphorized waste water slot.
As shown in Fig. 2, a kind of phosphorized waste water processing system, comprising: phosphatization dope slot 1, phosphorized waste water slot 2, phosphating reaction
Slot 3, sloping plate deposition slot 4, materialized mud slot 5, sand filtration tank 6, pH demodulate slot 7.
Wherein, the phosphating reaction slot includes to pass sequentially through what automatic valve was connected:
First pilot trench 3.1 is used for equipped with NaOH automatic drip explosive barrel 8, online pH monitor and blender 9 to mixed liquor
Middle addition NaOH is stirred evenly, and monitors pH value.
Second pilot trench 3.2 is used for equipped with milk of lime automatic drip explosive barrel 8, online pH monitor and blender 9 to mixing
Milk of lime is added in liquid to stir evenly, and monitors pH value.
Third pilot trench 3.3, equipped with PAC flocculant solution automatic drip explosive barrel 8 and blender 9, for adding into mixed liquor
Enter PAC flocculant.
4th pilot trench 3.4, equipped with PAM flocculant solution automatic drip explosive barrel 8 and blender 9, for adding into mixed liquor
Enter PAM flocculant.
The phosphatization dope slot 1 and phosphorized waste water slot 2 are connected to first pilot trench by automatic valve 10；Described
Four pilot trench 3.4 are connected to the sloping plate deposition slot 4 by automatic valve 10.The sloping plate deposition slot 4 respectively with materialized mud slot 5
It is connected to sand filtration tank 6 by automatic valve 10.
It includes to pass sequentially through what automatic valve 10 was connected that the pH, which demodulates slot 7:
5th pilot trench 7.1, equipped with HCl automatic drip explosive barrel 8, online pH monitor and blender 9, for into mixed liquor
HCl is added to stir evenly, and monitors pH value.
6th pilot trench 7.2 connects online nickel ion monitor, and the nickel ion for detecting mixed liquor in the 6th pilot trench contains
Amount.
7th pilot trench 7.3 is pick trough, and pick trough primarily serves the effect of buffering, demodulates the mixed of slot discharge for stablizing
Close the pH value of liquid.
The sand filtration tank 6 is connected to the 5th pilot trench 7.1；Discharge outlet there are two being set on 7th pilot trench 7.1, wherein
One discharge outlet is connected to by automatic valve with the phosphorized waste water slot 2, for underproof waste water to be discharged into phosphorized waste water slot
In, another discharge outlet is used to that qualified waste water to be discharged.
The company of the automatic drip explosive barrel, online pH monitor, blender, online nickel ion monitor and each slot or pilot trench
Automatic valve on logical pipeline is monitored by monitor terminal, and operator need to only input reaction time, pH value in monitor terminal
Adjusted value, nickel ion content maximum value can complete entire phosphorized waste water treatment processes.
Based on above-mentioned phosphorized waste water processing system, phosphorized waste water is first mixed with phosphatization dope in the first pilot trench, then the
NaOH solution is added dropwise in one pilot trench, after mixing evenly, mixed liquor flows into the second pilot trench and mixes with milk of lime, completes the tune of pH value
It is whole.Mixed liquor, which enters third pilot trench and mixes with PAC flocculant, to flocculate, then flow into the 4th pilot trench mixed with PAM flocculant after
Continuous flocculation.Enter sloping plate deposition slot precipitating by flocculated mixed liquor, the sludge of discharge enters materialized mud slot, then passes through plate
Frame filtering pressure machine filter pressure, liquid, which then enters sand filtration tank, to be continued to filter, and is finally entered the 5th pilot trench and is demodulated pH value, enters back into the 6th pilot trench
Ni content detection is carried out, is discharged by the buffering of the 7th pilot trench and after stablizing.
All the above alternatives can form alternative embodiment of the invention using any combination, herein no longer
It repeats one by one.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of phosphorized waste water processing method, which comprises the following steps:
S01, mixing phosphatization dope and phosphorized waste water, prepare mixed liquor；
S02, adjustment pH value, NaOH, milk of lime are successively added in the mixed liquor, pH value is adjusted to 9~11；
S03, flocculation successively add PAC and PAM flocculant solution；
S04, precipitating, the sludge being precipitated out utilize plate and frame filter press filters pressing；
S05, pH value is reversely adjusted, adds HCl, pH value is adjusted to 6.5~8；
The monitoring of S06, Ni content.
2. a kind of phosphorized waste water processing method as described in claim 1, which is characterized in that the reaction time for adding NaOH
No less than 10min；The reaction time of the feeding lime cream is no less than 10min.
3. a kind of phosphorized waste water processing method as described in claim 1, which is characterized in that the reaction time for adding PAC
No less than 15min；The reaction time for adding PAM is no less than 15min.
4. a kind of phosphorized waste water processing method as described in claim 1, which is characterized in that the adjustment pH value is will be described mixed
The pH value for closing liquid is 10.5.
5. a kind of phosphorized waste water processing method as described in any one of Claims 1 to 4, which is characterized in that the method
Further include: if Ni content is up to standard, and mixed liquor is discharged；If Ni content is not up to standard, recycles and execute the step S01~S06, directly
It is up to standard to Ni content.
6. a kind of phosphorized waste water processing system characterized by comprising
Phosphatization dope slot, phosphorized waste water slot, phosphating reaction slot, sloping plate deposition slot, materialized mud slot, sand filtration tank, pH demodulate slot；Its
In, the phosphating reaction slot includes to pass sequentially through the first pilot trench, the second pilot trench, third pilot trench and the 4th that automatic valve is connected
Pilot trench；The phosphatization dope slot and phosphorized waste water slot are connected to first pilot trench by automatic valve；4th pilot trench
It is connected to the sloping plate deposition slot by automatic valve；The sloping plate deposition slot passes through certainly with materialized mud slot and sand filtration tank respectively
Movable valve connection；It includes the 5th pilot trench for passing sequentially through automatic valve and being connected, the 6th pilot trench and the 7th son that the pH, which demodulates slot,
Slot；The sand filtration tank is connected to the 5th pilot trench；7th pilot trench is set there are two discharge outlet, and one of discharge outlet passes through
Automatic valve is connected to the phosphorized waste water slot.
7. a kind of phosphorized waste water processing system as claimed in claim 6, which is characterized in that the sloping plate deposition slot respectively with object
Change and is connected between sludge sump by screw-rod delivery pump.
8. a kind of phosphorized waste water processing system as claimed in claim 6, which is characterized in that the 7th pilot trench is pick trough.
9. a kind of phosphorized waste water processing system as described in any one of claim 6~8, which is characterized in that described first
Pilot trench, the second pilot trench, the 5th pilot trench are equipped with automatic drip explosive barrel, online pH monitor and blender, the third pilot trench, the 4th
Pilot trench is equipped with automatic drip explosive barrel and blender；6th pilot trench connects online nickel ion monitor.
10. a kind of phosphorized waste water processing system as claimed in claim 9, which is characterized in that the system also includes monitoring eventually
End, the monitor terminal respectively with automatic drip explosive barrel, online pH monitor, blender, online nickel ion monitor, automatic valve
It is wirelessly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060438.3A CN109052730A (en) | 2018-09-12 | 2018-09-12 | A kind of phosphorized waste water processing method and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060438.3A CN109052730A (en) | 2018-09-12 | 2018-09-12 | A kind of phosphorized waste water processing method and processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109052730A true CN109052730A (en) | 2018-12-21 |
Family
ID=64760207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060438.3A Withdrawn CN109052730A (en) | 2018-09-12 | 2018-09-12 | A kind of phosphorized waste water processing method and processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109052730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745990A (en) * | 2019-10-29 | 2020-02-04 | 中钢集团郑州金属制品研究院有限公司 | Purification treatment process before recycling of acidic phosphorus-containing wastewater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200377896Y1 (en) * | 2004-12-24 | 2005-03-14 | 대한통운 주식회사 | Wastewater treatment apparatus |
| CN102020373A (en) * | 2009-09-15 | 2011-04-20 | 上海宝钢工程技术有限公司 | Process for treating phosphate coating wastewater of steel pipes |
| CN203021378U (en) * | 2013-01-03 | 2013-06-26 | 江苏新裕泰华环保有限公司 | Phosphating wastewater treatment device |
| CN104909490A (en) * | 2015-05-19 | 2015-09-16 | 东风活塞轴瓦有限公司 | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device |
-
2018
- 2018-09-12 CN CN201811060438.3A patent/CN109052730A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200377896Y1 (en) * | 2004-12-24 | 2005-03-14 | 대한통운 주식회사 | Wastewater treatment apparatus |
| CN102020373A (en) * | 2009-09-15 | 2011-04-20 | 上海宝钢工程技术有限公司 | Process for treating phosphate coating wastewater of steel pipes |
| CN203021378U (en) * | 2013-01-03 | 2013-06-26 | 江苏新裕泰华环保有限公司 | Phosphating wastewater treatment device |
| CN104909490A (en) * | 2015-05-19 | 2015-09-16 | 东风活塞轴瓦有限公司 | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745990A (en) * | 2019-10-29 | 2020-02-04 | 中钢集团郑州金属制品研究院有限公司 | Purification treatment process before recycling of acidic phosphorus-containing wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104909490A (en) | Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device | |
| CN102211828A (en) | Method for sludge reduction for cold rolling pickling wastewater in steel industry | |
| CN103910446B (en) | The method and apparatus of the one heavy metal species program control process of waste liquid modularity | |
| CN203021378U (en) | Phosphating wastewater treatment device | |
| CN108383274A (en) | Zinc-nickel wastewater treatment method | |
| CN102020375A (en) | Equipment for reclaiming lead acid battery waste water | |
| CN108264164A (en) | A kind of nickel-containing wastewater treatment technology | |
| CN107935240A (en) | A kind of SO2The method of/Air method complexed-precipitation method Combined Treatment cyanide gold-leaching Tailings Slurries and waste water | |
| CN109052730A (en) | A kind of phosphorized waste water processing method and processing system | |
| CN105084599A (en) | Treatment method of treatment device for chromium and nickel-contained liquid waste | |
| CN208898653U (en) | A kind of phosphorized waste water processing system | |
| CN211620147U (en) | Sewage treatment dosing control system based on image recognition | |
| CN206033425U (en) | A processing apparatus for phosphorous sour waste water | |
| CN104326602B (en) | A kind of sequence batch (process aluminium section bar is fluorine-containing in producing, the method for nickel acid waste water | |
| CN109279719A (en) | A kind of processing method and processing unit of glasses electroplating wastewater | |
| CN213950751U (en) | Sewage calcium removal system | |
| CN109534558A (en) | Sodium dichromate method produces expansible graphite acid waste water processing equipment and technique | |
| CN208577561U (en) | A kind of mining smelting wastewater exception water quality emergency treatment device | |
| CN208603898U (en) | A kind of graphite waste water treatment system | |
| CN210505879U (en) | Nickel-containing wastewater purifying equipment | |
| CN210855595U (en) | Treatment facility of circuit board waste water | |
| CN206799316U (en) | A kind of electroplating wastewater total system | |
| CN219031939U (en) | Automatic change carborundum sewage treatment system | |
| CN216236433U (en) | Nickel plating waste liquid treatment device | |
| CN107010758A (en) | A kind of electroplating wastewater total system and method |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |