CN107986582A - A kind for the treatment of process of electroplating wastewater zero - Google Patents
A kind for the treatment of process of electroplating wastewater zero Download PDFInfo
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- CN107986582A CN107986582A CN201711497906.9A CN201711497906A CN107986582A CN 107986582 A CN107986582 A CN 107986582A CN 201711497906 A CN201711497906 A CN 201711497906A CN 107986582 A CN107986582 A CN 107986582A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
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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
- C02F1/52—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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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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
- 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
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/04—Oxidation reduction potential [ORP]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
- C02F2209/14—NH3-N
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind for the treatment of process of electroplating wastewater zero, comprise the following steps that：Electroplating wastewater is collected first and enters collection system, carry out precipitation classification pretreatment, for the waste water containing heavy metal material separation is carried out by combining membranous system, high concentration mixture is removed by chemicals logos, and the COD for removing high concentration is handled by advanced oxidation, PH adjustment is carried out to the waste water in S2 steps, form hydroxide, and carry out filtration apparatus filtering heavy metal clod, and precipitation dehydration storage is carried out to heavy metal clod, water purification recycling is carried out after filtering, the recycling storage of heavy metal dope, it is dry, recoverable, the water source water inlet biosystem processing produced to S3 steps.Waste water of the present invention can recycle, and can further handle and reach wastewater zero discharge requirement, reduce the biochemical, scale of materializing strategy, be conducive to enterprise and expand production demand, recyclable useful metal ion, enterprise is brought benefits at the same time reaching environmentally friendly purpose.
Description
Technical field
The present invention relates to electroplating wastewater technical field, more particularly to a kind for the treatment of process of electroplating wastewater zero.
Background technology
The source of electroplating wastewater is generally：(1) plating piece ejected wash water；(2) spent plating bath；(3) other waste water, including wash away car
Between ground, scrub pole plate wash water, ventilation equipment condensed water, and due to coating bath leakage or operational administrative it is improper caused by " run,
Emit, drip, leak " various tank liquors and draining；(4) component cooling water, cooling water in use except temperature raise in addition to, not by
To pollution, the water quality of electroplating wastewater, water and process conditions, produce load, operational administrative and water use model of plating production etc.
Factor is related, and the water quality of electroplating wastewater is complicated, and component is difficult to control, wherein containing the heavy metals such as chromium, cadmium, nickel, copper, zinc, gold, silver
Ion and cyanide etc., some belong to carcinogenic, teratogenesis, mutagenic extremely toxic substance.
Conventional process electroplating wastewater problem encountered (1) cost is excessive --- water can not recycle, water rate with
Sewage disposal expense accounts for total cost of production 15%~20%；(2) wasting of resources --- precious metal is discharged into water body, can not be recycled
Utilize；(3) environmental pollution --- the heavy metal in electroplating wastewater is " eternal contact scar thing ", shifts and accumulates in biological chain,
Finally endanger human health.Through retrieval, Chinese Patent Application No. is the patent of CN201510742442.8, discloses a kind of plating
Waste water zero discharge treatment process, comprises the technical steps that：Make to carry out precipitation work in electroplating wastewater confluence injection sedimentation basin first
With；Then the supernatant liquid of waste water is pumped to nano-carbon material filter by raw water booster pump and carry out filtration treatment.It is above-mentioned special
A kind of electroplating wastewater zero treatment process in profit has the following disadvantages：There is no single precious metal mechanism, it is impossible to separate
All kinds of precious metals, it is impossible to long-distance monitor and control and big data statistics.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind for the treatment of process of electroplating wastewater zero.
A kind for the treatment of process of electroplating wastewater zero proposed by the present invention, comprises the following steps that：
S1：Electroplating wastewater is collected first and enters collection system, carries out precipitation classification pretreatment；
S2：Material separation is carried out by combining membranous system for the waste water containing heavy metal, is removed by chemicals logos
High concentration mixture, and the COD for removing high concentration is handled by advanced oxidation；
S3：PH adjustment is carried out to the waste water in S2 steps, forms hydroxide, and carry out filtration apparatus filtering heavy metal mud
Block, and precipitation dehydration storage is carried out to heavy metal clod, water purification recycling is carried out after filtering, the recycling storage of heavy metal dope is dry,
Recoverable；
S4：The water source water inlet biosystem processing produced to S3 steps, whether detecting system detection COD/ ammonia nitrogens are up to standard, if
It is up to standard to discharge, if the S1 steps not up to standard that are back to are handled again.
Preferably, the treatment technology include collection system, chemical processing system, biological treatment system, at combined films
Reason system, evaporating, concentrating and crystallizing system, recovery system and monitoring system, and combine film processing system and include special seperation film mould
Block and special reuse film module, high power reuse film module, the recovery system includes precious metal recycling module and water purification is returned
Receive module.
Preferably, the monitoring system includes flow-control module, mixing monitoring module, COD monitoring modules, ORP prisons
Module and water purification monitoring module are controlled, and monitoring system is connected with wireless signal transmitter, wireless signal transmitter by signal wire
Big data cloud disk is connected with by wireless signal.
Preferably, the chemical processing system includes highly concentrated solution processing module, low concentration processing module and advanced
Oxidation processes module, and advanced oxidation processing module includes Fenton oxidation pond and coal dust adsorption tank.
Preferably, the precious metal recycling module includes heavy metal filtration apparatus and anti-block apparatus, and heavy metal mistake
Filtering device includes golden recovering mechanism, silver recovery mechanism, chromium metal recovery mechanism, nickel metal recovery mechanism, and filtration apparatus is connected with
Device for discharging is automated, automation device for discharging is connected with heavy metal accumulator tank, and heavy metal accumulator tank side inner wall passes through screw
Dryer and Temperature Humidity Sensor are fixed with, the output terminal of Temperature Humidity Sensor is connected with model DATA- by signal wire
7311 controller, dryer are connected with switch, and switch is connected with controller.
Preferably, the water purification monitoring module includes PH detectors, water quality monitor and water level sensor, and PH is detected
The output terminal of the output terminal of instrument, the output terminal of water quality monitor and water level sensor is connected by signal wire with controller,
The model DR900 of water quality monitor, the model SZRD601 of water level sensor.
A kind of middle-and-high-ranking oxidation processes of the treatment process of electroplating wastewater zero remove the following institute of COD methods of high concentration
Show：
S1：Preliminary coagulation, adsorption treatment are carried out with coal dust；
S2：With Fenton oxidation reagent catalysis oxidation and it is acid agglomerate, then with coal dust coagulation, absorption.
Having the beneficial effect that in the present invention：
1. by water purification recycling module, waste water can recycle, and can further handle and reach wastewater zero discharge requirement, subtract
The few biochemical, scale of materializing strategy, is conducive to enterprise and expands production demand；
2. recyclable useful metal ion, enterprise is set to bring benefits at the same time reaching environmentally friendly purpose；
3. can be designed according to processing requirement, and it can constantly carry out expanding and increase treating capacity and improved by continuing to optimize
Process performance；
4. the system of monitoring connection big data high in the clouds, the degree of automation is high, and floor space is small, while being capable of storing technology number
According to easy to scientific research.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the treatment process of electroplating wastewater zero proposed by the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1, a kind for the treatment of process of electroplating wastewater zero, comprises the following steps that：
S1：Electroplating wastewater is collected first and enters collection system, carries out precipitation classification pretreatment；
S2：Material separation is carried out by combining membranous system for the waste water containing heavy metal, is removed by chemicals logos
High concentration mixture, and the COD for removing high concentration is handled by advanced oxidation；
S3：PH adjustment is carried out to the waste water in S2 steps, forms hydroxide, and carry out filtration apparatus filtering heavy metal mud
Block, and precipitation dehydration storage is carried out to heavy metal clod, water purification recycling is carried out after filtering, the recycling storage of heavy metal dope is dry,
Recoverable；
S4：The water source water inlet biosystem processing produced to S3 steps, whether detecting system detection COD/ ammonia nitrogens are up to standard, if
It is up to standard to discharge, if the S1 steps not up to standard that are back to are handled again.
Handled by treatment technology, treatment technology includes collection system, chemical processing system, biological treatment system
System, combination film processing system, evaporating, concentrating and crystallizing system, recovery system and monitoring system, and combine film processing system and include
Special separation membrane module and special reuse film module, high power reuse film module, recovery system include precious metal recycling module
With water purification recycling module, monitoring system includes flow-control module, mixing monitoring module, COD monitoring modules, ORP monitoring moulds
Block and water purification monitoring module, and monitoring system is connected with wireless signal transmitter by signal wire, wireless signal transmitter passes through
Wireless signal is connected with big data cloud disk, and chemical processing system includes highly concentrated solution processing module, low concentration processing module
With advanced oxidation processing module, and advanced oxidation processing module includes Fenton oxidation pond and coal dust adsorption tank, precious metal
Recycling module includes heavy metal filtration apparatus and anti-block apparatus, and heavy metal filtration apparatus includes golden recovering mechanism, silver recovery
Mechanism, chromium metal recovery mechanism, nickel metal recovery mechanism, filtration apparatus are connected with automation device for discharging, automation discharging dress
To put and be connected with heavy metal accumulator tank, heavy metal accumulator tank side inner wall is fixed with dryer and Temperature Humidity Sensor by screw,
The output terminal of Temperature Humidity Sensor is connected with the controller of model DATA-7311 by signal wire, and dryer is connected with switch,
Switch is connected with controller, and water purification monitoring module includes PH detectors, water quality monitor and water level sensor, and PH is detected
The output terminal of the output terminal of instrument, the output terminal of water quality monitor and water level sensor is connected by signal wire with controller,
The model DR900 of water quality monitor, the model SZRD601 of water level sensor.
A kind of middle-and-high-ranking oxidation processes of the treatment process of electroplating wastewater zero remove the following institute of COD methods of high concentration
Show：
S1：Preliminary coagulation, adsorption treatment are carried out with coal dust；
S2：With Fenton oxidation reagent catalysis oxidation and it is acid agglomerate, then with coal dust coagulation, absorption.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind for the treatment of process of electroplating wastewater zero, comprises the following steps that：
S1：Electroplating wastewater is collected first and enters collection system, carries out precipitation classification pretreatment；
S2：Material separation is carried out by combining membranous system for the waste water containing heavy metal, is removed by chemicals logos highly concentrated
Mixture is spent, and the COD for removing high concentration is handled by advanced oxidation；
S3：PH adjustment is carried out to the waste water in S2 steps, forms hydroxide, and carries out filtration apparatus filtering heavy metal clod,
And precipitation dehydration storage is carried out to heavy metal clod, water purification recycling is carried out after filtering, the recycling storage of heavy metal dope is dry, can
Recycle；
S4：The water source water inlet biosystem processing produced to S3 steps, whether detecting system detection COD/ ammonia nitrogens are up to standard, if up to standard
It can discharge, if the S1 steps not up to standard that are back to are handled again.
2. a kind for the treatment of process of electroplating wastewater zero according to claim 1, is handled by treatment technology, its
Be characterized in that, the treatment technology include collection system, chemical processing system, biological treatment system, combination film processing system,
Evaporating, concentrating and crystallizing system, recovery system and monitoring system, and combine film processing system and include special separation membrane module and spy
Different reuse film module, high power reuse film module, the recovery system include precious metal recycling module and water purification recycling module.
A kind of 3. treatment technology of the treatment process of electroplating wastewater zero according to claim 2, it is characterised in that institute
State monitoring system and include flow-control module, mixing monitoring module, COD monitoring modules, ORP monitoring modules and water purification monitoring mould
Block, and monitoring system is connected with wireless signal transmitter by signal wire, wireless signal transmitter is connected with by wireless signal
Big data cloud disk.
A kind of 4. treatment technology of the treatment process of electroplating wastewater zero according to claim 2, it is characterised in that institute
State chemical processing system and include highly concentrated solution processing module, low concentration processing module and advanced oxidation processing module, and it is high
Level oxidation processes module includes Fenton oxidation pond and coal dust adsorption tank.
A kind of 5. treatment technology of the treatment process of electroplating wastewater zero according to claim 2, it is characterised in that institute
State precious metal recycling module and include heavy metal filtration apparatus and anti-block apparatus, and heavy metal filtration apparatus includes golden recycling machine
Structure, silver recovery mechanism, chromium metal recovery mechanism, nickel metal recovery mechanism, filtration apparatus are connected with automation device for discharging, automatically
Change device for discharging and be connected with heavy metal accumulator tank, heavy metal accumulator tank side inner wall is fixed with dryer and humiture by screw
Sensor, the output terminal of Temperature Humidity Sensor are connected with the controller of model DATA-7311, dryer connection by signal wire
There is switch, switch is connected with controller.
A kind of 6. monitoring system of the treatment process of electroplating wastewater zero according to claim 3, it is characterised in that institute
State water purification monitoring module and include PH detectors, water quality monitor and water level sensor, and the output terminal of PH detectors, water quality are supervised
The output terminal of the output terminal and water level sensor of surveying instrument is connected by signal wire with controller, the model of water quality monitor
DR900, the model SZRD601 of water level sensor.
7. a kind of middle-and-high-ranking oxidation processes of the treatment process of electroplating wastewater zero according to claim 1 remove high concentration
COD methods it is as follows：
S1：Preliminary coagulation, adsorption treatment are carried out with coal dust；
S2：With Fenton oxidation reagent catalysis oxidation and it is acid agglomerate, then with coal dust coagulation, absorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497906.9A CN107986582A (en) | 2017-12-29 | 2017-12-29 | A kind for the treatment of process of electroplating wastewater zero |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497906.9A CN107986582A (en) | 2017-12-29 | 2017-12-29 | A kind for the treatment of process of electroplating wastewater zero |
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| Publication Number | Publication Date |
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| CN107986582A true CN107986582A (en) | 2018-05-04 |
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ID=62040177
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711497906.9A Withdrawn CN107986582A (en) | 2017-12-29 | 2017-12-29 | A kind for the treatment of process of electroplating wastewater zero |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368853A (en) * | 2018-11-06 | 2019-02-22 | 广州市德百顺电气科技有限公司 | A kind of adaptive sewage disposal system and sewage water treatment method |
| CN117720236B (en) * | 2024-01-18 | 2024-05-14 | 北控水务(中国)投资有限公司 | Electroplating wastewater treatment method |
-
2017
- 2017-12-29 CN CN201711497906.9A patent/CN107986582A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368853A (en) * | 2018-11-06 | 2019-02-22 | 广州市德百顺电气科技有限公司 | A kind of adaptive sewage disposal system and sewage water treatment method |
| CN117720236B (en) * | 2024-01-18 | 2024-05-14 | 北控水务(中国)投资有限公司 | Electroplating wastewater treatment method |
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Application publication date: 20180504 |