CN108249642A - A kind of Cr VI sewage disposal system - Google Patents
A kind of Cr VI sewage disposal system Download PDFInfo
- Publication number
- CN108249642A CN108249642A CN201810115214.1A CN201810115214A CN108249642A CN 108249642 A CN108249642 A CN 108249642A CN 201810115214 A CN201810115214 A CN 201810115214A CN 108249642 A CN108249642 A CN 108249642A
- Authority
- CN
- China
- Prior art keywords
- sewage disposal
- control devices
- plc control
- disposal system
- electric flocculation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 49
- 238000005189 flocculation Methods 0.000 claims abstract description 42
- 230000016615 flocculation Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 28
- 239000010802 sludge Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 22
- 239000003814 drug Substances 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 18
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of Cr VI sewage disposal systems, including the first chemicals dosing plant, the second chemicals dosing plant and pass through the sequentially connected regulating reservoir of pipeline, electric flocculation device, intermediate pool, inclined plate sedimentation pond, the first dosing assembling device and the first chemicals dosing plant are connected, second chemicals dosing plant is connected with intermediate pool, and the regulating reservoir and intermediate pool are additionally provided with agitating device.The present invention solves that conventional chemical methods technological process is long, takes up a large area, the problems such as sludge quantity is big, of high cost, and treated water completely can qualified discharge, meet environmental requirement.
Description
Technical field
The present invention relates to a kind of sewage disposal system, particularly a kind of Cr VI sewage disposal system.
Background technology
Cr VI is mainly derived from electrodeposited chromium production waste.Chromium plating sewage has chromium concn high (1000mg/l), and coloration is deep
The features such as, wherein content of 6-valence Cr ions is usually higher, is not suitable for direct alkaline chemical precipitation, needs to launch a large amount of reducing agents, at flocculant
The problems such as managing, causing dosage big high, sludge quantity is big, technological process is long.Electric flocculation processing Cr VI sewage is restored without adding
Agent, the self-produced reducing agent of electrolytic process, flocculant, can effectively deal with sewage containing Cr VI, greatly reduce operating cost, and water outlet can be straight
Connect qualified discharge.
Domestic processing high concentration chrome wastewater main method is conventional chemical methods at present, and technical process is：Ferrous reduction+flocculation
The processing of agent flocculation technique.It is investigated according to Domestic Plating factory, there are sludge quantity is big, technique for the perfect high concentration chrome wastewater treatment process in part
Long flow path, floor space be wide, total high situation of processing cost, and partly imperfect sewage treatment process, which is usually discharged to stablize, to be reached
Mark situation.Conventional chemical methods treated sewage process causes water outlet salt content raising with the increase of dosage.
Electric flocculation processing high concentration chrome wastewater only needs to launch a small amount of medicament, and electrolytic process generates hydroxide ion, will not cause
It is discharged salt content raising.The fluctuation of parcel plating sewage effluent quality is larger, and electric flocculation processing high concentration chrome wastewater impact resistance is strong.
Invention content
To be solved by this invention is that sludge quantity is big, technological process is long, floor space in prior art sewage disposal process
Extensively, total processing cost is high and goes out water unstable, is discharged the technical issues of salt content is high.
The present invention provides a kind of Cr VI sewage disposal system, including the first chemicals dosing plant, the second chemicals dosing plant and
By the sequentially connected regulating reservoir of pipeline, electric flocculation device, intermediate pool, inclined plate sedimentation pond, the first dosing assembling device and
One chemicals dosing plant is connected, and second chemicals dosing plant is connected with intermediate pool, and the regulating reservoir and intermediate pool are additionally provided with agitating device.
In the present invention, raw water enters regulating reservoir, quenched to raw water by chemicals dosing plant, enters electric wadding by quenched sewage
Solidifying device, electric flocculation device handle electrolytic sewage redox, and the water outlet of electric flocculation device enters intermediate pool, and intermediate pool is equipped with
Dosing agitating device, sewage form big flocculating body in intermediate pool, and intermediate pool is connect with inclined plate sedimentation pond by pipeline, intermediate pool
Water outlet enters inclined plate sedimentation pond, and clear liquid overflows in inclined plate sedimentation pond to be discharged.
Further, the Cr VI sewage disposal system is additionally provided with PLC control devices, first chemicals dosing plant,
Two chemicals dosing plants are connected with PLC control devices by electric line and pass through PLC control devices control dosage respectively, the electricity wadding
Solidifying device is connected by electric line with PLC control devices.
The first chemicals dosing plant of the present invention, the second chemicals dosing plant, electric flocculation device are all automatically controlled by PLC control devices.
Further, there are difference in height, the water outlet of electric flocculation device flows into intermediate pool certainly for the electric flocculation device and intermediate pool.
Further, elevator pump, online PH meters, online conductivity meter are equipped between the regulating reservoir and electric flocculation device,
The elevator pump, online PH meters, online conductivity meter are connected by electric line with PLC control devices.
Elevator pump, online pH meter, online conductivity meter are equipped between regulating reservoir and electric flocculation device, online pH can be passed through
Meter, conductivity meter monitoring regulating reservoir water outlet, feed back to PLC system automatic adjustment dosage, automatically control sewage and enter electric flocculation
Device.
Further, the electric flocculation device water inlet is equipped with the first electrically operated valve, flowmeter, first motor-driven valve
Door, flowmeter are connected by electric line with PLC control devices.
When promoting pump work, by the numeric feedback that flow measurement obtains to PLC control devices, adjusted automatically by PLC control devices
The first electrically operated valve is saved, adjusts flow.
Further, the electric flocculation device is configured with cleaning dosing pump, cleaning device, the electric flocculation device water inlet
Setting bypasses and is sequentially connected the second electrically operated valve, cleans dosing pump, cleaning device, the water outlet of cleaning device and electric flocculation pipe
Road connects, and second electrically operated valve, cleaning dosing pump, cleaning device are connected respectively with PLC control devices by electric line.
Electric flocculation device can realize automatic cleaning, when needing cleaning, controlled by PLC and close electric flocculation Inlet and outlet water valve,
The second electrically operated valve, cleaning dosing pump, cleaning device are opened, realizes automatic cyclic cleaning, after cleaning, it is electronic to close second
Valve.
Further, be equipped with plunger pump between the intermediate pool and inclined plate sedimentation pond, the plunger pump by electric line and
PLC control devices connect.
Intermediate pool water outlet contains great quantity of floc, selects plunger pump that can prevent flco from being pumped and smashes.
Further, sludge pump is further included, the sludge pump is connected by electric line with PLC control devices.
It needs to be discharged sludge by sludge pump when discharging sludge.
Further, sludge filter press is further included, the sludge filter press is connected with sludge pump.
Further, sewage bypass, institute are additionally provided between the water outlet of the water inlet of the regulating reservoir and electric flocculation device
It states sewage bypass and is equipped with third electrically operated valve, the third electrically operated valve is connected by electric line with PLC control devices.
The present invention compared with the existing technology has the following advantages and effect：
1st, technological process is short, rational in infrastructure, and floor space is small；
2nd, processing cost is low；
3rd, sludge quantity is small；
4th, water outlet salt content is low.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of Cr VI sewage disposal system of the present invention.
Mark explanation：
The online conductivity meter 6- elevator pumps 7- of the 1- regulating reservoirs 2- online pH meter 5- of the first chemicals dosing plant 3- agitating devices 4-
One electrically operated valve 8- electric flocculation device 9- cleaning devices, 10-PLC control device 11- intermediate pools 12- the second chemicals dosing plant 13- columns
Plug pump 14- inclined plate sedimentations pond 15- sludge pumps the second electrically operated valves of 16- 17- cleaning dosing pump 18- third electrically operated valve 19- sewage
Bypass.
Specific embodiment
This patent is described in detail with reference to specific embodiment：
As shown in Figure 1, a kind of Cr VI sewage disposal system of the present invention is mainly by regulating reservoir 1, the first chemicals dosing plant 2, the
Two chemicals dosing plants 12, agitating device 3, elevator pump 6, online pH meter 4, online conductivity meter 5, the first electrically operated valve 7, second are electronic
Valve 16, third electrically operated valve 18, electric flocculation device 8, cleaning device 9, PLC control devices 10, intermediate pool 11, inclined plate sedimentation pond
14th, sludge pump 15, cleaning dosing pump 17, sewage bypass the compositions such as 19.
Sewage is promoted to regulating reservoir by source pond, is stirred, is discharged by online pH meter, conductivity meter by the first chemicals dosing plant
On-line monitoring, signal feed back to PLC control devices, and PLC control devices adjust the first chemicals dosing plant dosing speed.
Regulating reservoir sewage is promoted to electric flocculation device by elevator pump, and flow can be monitored by flowmeter, PLC control devices
It controls and promotes switch pump, when liquid level is relatively low in regulating reservoir, close elevator pump.
Sewage enters electric flocculation device, and cell reaction occurs inside electric flocculation device, and following process mainly occurs：
1st, oxidation reaction, electrolysis water process generate a large amount of hydroxyl radical free radical, have extremely strong oxidisability, can aoxidize sewage inside points
The pollutants such as COD, ammonia nitrogen；2nd, iron anode is electrolysed, electric current releases ferrous ion by electrode plate, and ferrous ion has reduction
Property, Cr VI in raw sewage can be gone back, becomes precipitable trivalent chromium；3rd, self-produced hydroxyl, electrolysis water process can generate largely
Available for precipitating trivalent chromic ion, generation flocculant is combined with ferrous iron/ferric ion in water for hydroxide ion.Electric flocculation is anti-
Answer the reaction occurred inside device that can effectively go back Cr VI in raw sewage, and the pollutants such as oxidation removal part COD, ammonia nitrogen,
Self-produced flocculant adds flocculant again without external, and self-produced hydroxide ion, outside only needs to add a small amount of lye, reduces water outlet and contain
Salt amount.
Electric flocculation device impact resistance is stronger, and operating parameter is determined according to sewage quality, may be set to fixed value.
The water outlet gravity flow of electric flocculation device enters intermediate pool, and intermediate pool has dosing agitating device, and sewage enters intermediate pool band
There are a large amount of flocculants, it is only necessary to which adding a certain amount of PAM (polyacrylamide) can make flco quickly become larger.Second chemicals dosing plant with
PLC control system connects, and controls the start and stop of dosage and agitating device.
Intermediate pool water outlet connect with plunger pump and is pumped into inclined plate sedimentation pond, and plunger pump will not smash intermediate pool water outlet flco,
Sewage effective separation of solid and liquid behind inclined plate sedimentation pond, clear liquid overflow the water outlet of inclined plate sedimentation pond, and sludge sinks to inclined plate sedimentation bottom of pond portion,
Filter press, PLC control devices control sludge pump are pumped by sludge pump.
Example operation calculates：
Electric flocculation system processing high concentration chrome wastewater containing 600mg/l, ton water transport in a kind of Cr VI sewage disposal system of the present invention
Row electricity cost is about 1.5KW/m3, electrode plate consumption 0.3kg/m3, production sludge quantity 0.6-0.7kg/m3.Electric flocculation impact resistance
By force, sewage quality fluctuates in a certain range, on being discharged without influence；Cr VI sewage disposal system reduces dosage, reduces out
Water salt content；Technological process is short, and floor space is smaller；Stable operation can be achieved unattended substantially.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different.The equivalent or simple change that all construction, feature and principles according to described in inventional idea of the present invention are done, is wrapped
It includes in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar way, without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (10)
1. a kind of Cr VI sewage disposal system, which is characterized in that including the first chemicals dosing plant, the second chemicals dosing plant and pass through
The sequentially connected regulating reservoir of pipeline, electric flocculation device, intermediate pool, inclined plate sedimentation pond, the first dosing assembling device and first add
Medicine device is connected, and second chemicals dosing plant is connected with intermediate pool, and the regulating reservoir and intermediate pool are additionally provided with agitating device.
2. Cr VI sewage disposal system according to claim 1, which is characterized in that the Cr VI sewage disposal system
PLC control devices are additionally provided with, first chemicals dosing plant, the second chemicals dosing plant are connected respectively by electric line and PLC control devices
It connects and passes through PLC control devices control dosage, the electric flocculation device is connected by electric line with PLC control devices.
3. Cr VI sewage disposal system according to claim 2, which is characterized in that the electric flocculation device and intermediate pool
There are difference in height, the water outlet of electric flocculation device flows into intermediate pool certainly.
4. Cr VI sewage disposal system according to claim 3, which is characterized in that the regulating reservoir and electric flocculation device
Between be equipped with elevator pump, online PH meter, online conductivity meter, the elevator pump, online PH meter, online conductivity meter pass through electric wire
Road is connected with PLC control devices.
5. Cr VI sewage disposal system according to claim 4, which is characterized in that the electric flocculation device water inlet is set
There are the first electrically operated valve, flowmeter, first electrically operated valve, flowmeter are connected by electric line with PLC control devices.
6. Cr VI sewage disposal system according to claim 5, which is characterized in that the electric flocculation device is configured with clearly
Dosing pump, cleaning device are washed, the electric flocculation device water inlet setting bypasses and is sequentially connected the second electrically operated valve, cleaning dosing
Pump, cleaning device, the water outlet of cleaning device are connected with electric flocculation pipeline, second electrically operated valve, cleaning dosing pump, cleaning
Device is connected respectively with PLC control devices by electric line.
7. Cr VI sewage disposal system according to claim 6, which is characterized in that the intermediate pool and inclined plate sedimentation pond
Between be equipped with plunger pump, the plunger pump connected by electric line with PLC control devices.
8. Cr VI sewage disposal system according to claim 7, which is characterized in that further include sludge pump, the sludge
Pump is connected by electric line with PLC control devices.
9. Cr VI sewage disposal system according to claim 8, which is characterized in that sludge filter press is further included, it is described
Sludge filter press is connected with sludge pump.
10. according to claim 1-9 any one of them Cr VI sewage disposal systems, which is characterized in that the regulating reservoir
Sewage bypass is additionally provided between the water outlet of water inlet and electric flocculation device, the sewage bypass is equipped with third electrically operated valve, institute
Third electrically operated valve is stated to connect with PLC control devices by electric line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810115214.1A CN108249642A (en) | 2018-02-06 | 2018-02-06 | A kind of Cr VI sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810115214.1A CN108249642A (en) | 2018-02-06 | 2018-02-06 | A kind of Cr VI sewage disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108249642A true CN108249642A (en) | 2018-07-06 |
Family
ID=62743991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810115214.1A Pending CN108249642A (en) | 2018-02-06 | 2018-02-06 | A kind of Cr VI sewage disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108249642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304761A (en) * | 2019-06-28 | 2019-10-08 | 招商局生态环保科技有限公司 | A kind of Cr VI ring waste disposition automatic control system |
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| US20130256224A1 (en) * | 2010-12-24 | 2013-10-03 | Boying Xiamen Science And Technology Co., Ltd. | Tanning wastewater treatment and reuse apparatus and method therefor |
| CN105540951A (en) * | 2015-12-24 | 2016-05-04 | 广东水清环保科技有限公司 | Electroplate chromate waste water treatment system and method |
| CN105836971A (en) * | 2016-05-19 | 2016-08-10 | 东莞理工学院 | Electric flocculation wastewater treatment simulation demonstration system and method |
| CN208617574U (en) * | 2018-02-06 | 2019-03-19 | 杭州英普环境技术股份有限公司 | A kind of Cr VI sewage disposal system |
-
2018
- 2018-02-06 CN CN201810115214.1A patent/CN108249642A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040035450A (en) * | 2002-10-22 | 2004-04-29 | 주식회사 성지공조기술 | Fluid filter apparatus, absorbtion chiller and heater using the same |
| US20130256224A1 (en) * | 2010-12-24 | 2013-10-03 | Boying Xiamen Science And Technology Co., Ltd. | Tanning wastewater treatment and reuse apparatus and method therefor |
| CN105540951A (en) * | 2015-12-24 | 2016-05-04 | 广东水清环保科技有限公司 | Electroplate chromate waste water treatment system and method |
| CN105836971A (en) * | 2016-05-19 | 2016-08-10 | 东莞理工学院 | Electric flocculation wastewater treatment simulation demonstration system and method |
| CN208617574U (en) * | 2018-02-06 | 2019-03-19 | 杭州英普环境技术股份有限公司 | A kind of Cr VI sewage disposal system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304761A (en) * | 2019-06-28 | 2019-10-08 | 招商局生态环保科技有限公司 | A kind of Cr VI ring waste disposition automatic control system |
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