CN115259488A - Treatment system and treatment method for acidic copper-containing wastewater - Google Patents

Treatment system and treatment method for acidic copper-containing wastewater Download PDF

Info

Publication number
CN115259488A
CN115259488A CN202210935563.4A CN202210935563A CN115259488A CN 115259488 A CN115259488 A CN 115259488A CN 202210935563 A CN202210935563 A CN 202210935563A CN 115259488 A CN115259488 A CN 115259488A
Authority
CN
China
Prior art keywords
solid
unit
copper
liquid
containing wastewater
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
Application number
CN202210935563.4A
Other languages
Chinese (zh)
Inventor
宋岱峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Environmental Protection Industry Group Co ltd Foote
Original Assignee
Chengdu Environmental Protection Industry Group Co ltd Foote
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Environmental Protection Industry Group Co ltd Foote filed Critical Chengdu Environmental Protection Industry Group Co ltd Foote
Priority to CN202210935563.4A priority Critical patent/CN115259488A/en
Publication of CN115259488A publication Critical patent/CN115259488A/en
Pending legal-status Critical Current

Links

Images

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
    • C02F1/44—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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

The invention discloses a treatment system and a treatment method for acidic copper-containing wastewater, and solves the technical problems of low treatment efficiency, poor quality of recovered copper products and high cost in the prior art. A system for treating acidic copper-containing wastewater, comprising: a filtration unit that processes the acidic copper-containing wastewater and outputs a filtrate; a concentration unit that processes the filtrate and outputs a concentrated solution; a first separation unit that adjusts the pH of the concentrated solution and outputs a clear solution through solid-liquid separation processing; a second separation unit that adjusts the pH of the first clear liquid and outputs a solid through solid-liquid separation treatment; the enrichment unit is used for processing the solid and outputting an enrichment solution of copper ions; and the reduction unit is used for processing the enriched liquid of the copper ions and outputting the copper simple substance. The treatment method of the acidic copper-containing wastewater adopts the treatment system.

Description

Treatment system and treatment method for acidic copper-containing wastewater
Technical Field
The invention relates to the technical field of acidic copper-containing wastewater, in particular to the technical field of acidic copper-plating wastewater, and specifically relates to a treatment system and a treatment method of acidic copper-containing wastewater.
Background
The acidic copper plating wastewater is one of heavy metal wastewater, and can bring great influence and harm to organisms and environment when being directly discharged or improperly treated. At present, the main treatment methods of heavy metal wastewater include neutralization method, adsorption method, ion exchange method, flotation method, phytoremediation method, displacement method, electrodeposition method and the like. Among them, the electrodeposition method is used to recover valuable metals from heavy metal wastewater, which not only can reduce environmental pollution, but also can realize the maximum utilization of resources, and generate extra economic value, therefore, the electrodeposition method has attracted attention of people.
For the recovery of the electrodeposition of the high-copper wastewater, more researches have been carried out at home and abroad, and the technology is mature day by day and is applied to the actual production. For example, the effect is better when wastewater with copper concentration of more than 500mg/L is treated by the fluidized bed electrodeposition method. However, for the copper plating wastewater with the copper concentration of below 500mg/L, the effect of the electrodeposition method is poor, on one hand, the copper concentration is too low, the quality of the obtained product is poor, and on the other hand, the electrodeposition quality in the wastewater is insufficient, the water resistance is large, and the energy consumption in the electrodeposition process is extremely high. In addition, the existence of some impurity ions causes the corrosion problem of equipment and an anode in the process of electrodeposition operation to be prominent, which also limits the application of the electrodeposition method in the recovery of copper in low-concentration wastewater.
Adopt ion exchange resin to carry out the preliminary treatment to waste water at the front end of electrodeposition workshop section, though promoted the electrodeposition effect to a certain extent, but resin itself is worth costsly, and because the composition of electroplating copper-containing waste water is complicated for resin loses efficacy in advance easily, leads to investment, running cost to show and increases, and moreover, the resin use needs to consume more acid and alkali, can produce comparatively serious secondary pollution problem.
Therefore, the existing treatment system and treatment method have the technical problems of low treatment efficiency, poor quality of recycled copper products and high cost.
Disclosure of Invention
The invention mainly aims to provide a treatment system and a treatment method for acidic copper-containing wastewater, which aim to solve the technical problems of low treatment efficiency, poor quality of recovered copper products and high cost in the prior art.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a system for treating acidic copper-containing wastewater, the technical solution is as follows:
a system for treating acidic copper-containing wastewater, comprising: a filtration unit that processes the acidic copper-containing wastewater and outputs a filtrate; a concentration unit that processes the filtrate and outputs a concentrated solution; a first separation unit that adjusts the pH of the concentrated solution and outputs a clear solution through solid-liquid separation processing; a second separation unit that adjusts the pH of the first clear liquid and outputs a solid through solid-liquid separation treatment; the enrichment unit is used for processing the solid and outputting an enrichment solution of copper ions; and the reduction unit is used for processing the enriched liquid of the copper ions and outputting the copper simple substance.
As a further improvement of the first aspect of the invention: the filter unit comprises a filter device.
As a further improvement of the first aspect of the invention: the concentration unit comprises a membrane separation device.
As a further improvement of the first aspect of the invention: the first separation unit includes: the first regulating tank is used for enabling the concentrated solution to react with the first regulating agent and outputting a first solid-liquid mixture; the first feeding device is used for inputting a first regulating agent into the first regulating tank; and the first solid-liquid separation equipment is used for carrying out solid-liquid separation on the first solid-liquid mixture and outputting clear liquid.
As a further improvement of the first aspect of the invention: the second separation unit includes: the second regulating tank is used for enabling the clear liquid to react with a second regulating agent and outputting a second solid-liquid mixture; the second feeding device is used for inputting a second regulating agent into the second regulating tank; and the second solid-liquid separation equipment is used for carrying out solid-liquid separation on the second solid-liquid mixture and outputting solids.
As a further improvement of the first aspect of the invention: the enrichment unit comprises: the reaction tank is used for enabling the solid and the dissolving agent to react and outputting the enriched liquid of the copper ions; and the third feeding device is used for feeding the dissolving agent into the reaction tank.
As a further improvement of the first aspect of the invention: also comprises a purification unit, wherein the purification unit is used for treating the solid and removing impurities and anions in the solid.
As a further improvement of the first aspect of the invention: the purification unit includes: a wash tank for reacting the solids with wash water and outputting a third solid-liquid mixture; the water adding equipment is used for inputting washing water into the washing tank; and the third solid-liquid separation equipment is used for carrying out solid-liquid separation on the third solid-liquid mixture and outputting the purified solid to the enrichment unit.
As a further improvement of the first aspect of the invention: the reduction unit comprises a cyclone electrodeposition device.
In order to achieve the above object, according to a second aspect of the present invention, there is provided a method for treating acidic copper-containing wastewater, the method comprising:
a method for treating acidic copper-containing wastewater, which adopts the treatment system of the first aspect.
As a further improvement of the second aspect of the invention: the concentration of copper ions in the concentrated solution is 5-20 g/L; the first separation unit adjusts the pH value of the concentrated solution to 3-5; the second separation unit adjusts the pH value of the first clear liquid to 6-9; the pH value of the solid treated by the enrichment unit is 0-3, the temperature is 10-60 ℃, and the time is 0.5-2 h.
The invention has the following advantages: solid particles and suspended matters in the wastewater are removed by adopting the filtering unit, and the working efficiency of the subsequent units is improved. Through concentrating waste water, not only showing the handling capacity that has reduced follow-up unit, having saved equipment space, promoted the concentration of copper ion moreover, help reducing the power consumption of copper simple substance recovery process. Most of high-valence metal ions are removed through the first separation unit, so that the purity of copper ions is improved, and the quality of a copper simple substance product is improved. The second separation unit removes most of anions harmful to the anode, prolongs the service life of the anode and reduces the generation of harmful gas chlorine. The enrichment unit obtains the enrichment solution of copper ions with higher concentration, and the recovery efficiency of the copper simple substance can be obviously improved. Therefore, the method has the advantages of synergistic cooperation of all levels of units, simple process, low equipment investment cost, high efficiency, environmental protection, low operation cost, high quality of copper products and extremely high practicability, and is particularly suitable for treating acidic copper-containing wastewater, especially copper-plating wastewater with the copper ion concentration of below 500 mg/L.
The invention is further described with reference to the following figures and detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to assist in understanding the invention, and are included to explain the invention and their equivalents and not limit it unduly. In the drawings:
FIG. 1 is a schematic configuration diagram of a first embodiment of a system for treating acidic copper-containing wastewater according to the present invention.
FIG. 2 is a schematic structural diagram of a second embodiment of the system for treating acidic copper-containing wastewater according to the present invention.
In the above drawings:
100-filtration unit, 200-concentration unit, 300-first separation unit, 400-second separation unit, 500-enrichment unit, 600-reduction unit, 700-purification unit.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to practice the invention based on these descriptions. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and in the related section are intended to cover a non-exclusive inclusion.
FIG. 1 is a schematic structural diagram of a first embodiment of a system for treating acidic copper-containing wastewater according to the present invention.
As shown in fig. 1, the system for treating acidic copper-containing wastewater includes a filtering unit 100, a concentrating unit 200, a first separating unit 300, a second separating unit 400, an enriching unit 500, and a reducing unit 600.
The filtering unit 100 processes the acidic copper-containing wastewater and outputs a filtrate; the filtering unit 100 includes a filtering apparatus, which is any one of a sand filter, a bag filter, a PP cartridge, and a tube filter.
The concentration unit 200 processes the filtrate and outputs a concentrated solution; the concentration unit 200 includes a membrane separation apparatus, which is a nanofiltration apparatus or a reverse osmosis apparatus.
The first separation unit 300 adjusts the pH of the concentrated solution and outputs a clear solution through solid-liquid separation; first separation element 300 includes first equalizing basin, first feeding device and first solid-liquid separation equipment, first equalizing basin is used for making concentrate and first regulator react and export first solid-liquid mixture, first feeding device is arranged in inputing first regulator to first equalizing basin, first solid-liquid separation equipment is used for carrying out solid-liquid separation and export clear solution to first solid-liquid mixture, first solid-liquid separation equipment is centrifugal separation equipment or sheet frame filter pressing equipment. Therefore, most of high-valence ions (such as iron ions and aluminum ions) are removed by the first separation unit 300, and the purity of copper in the solid is improved.
The second separation unit 400 adjusts the pH of the first clear liquid and outputs a solid through solid-liquid separation treatment; the second separation unit 400 comprises a second adjusting tank, a second feeding device and a second solid-liquid separation device, the second adjusting tank is used for enabling the clear liquid and the second regulating agent to react and outputting a second solid-liquid mixture, the second feeding device is used for inputting the second regulating agent into the second adjusting tank, the second solid-liquid separation device is used for carrying out solid-liquid separation on the second solid-liquid mixture and outputting solids, and the second solid-liquid separation device is a centrifugal separation device or a plate-and-frame filter pressing device. Thereby, the second separation unit 400 separates copper ions from other anions (e.g., fluoride ions, chloride ions) by precipitating the copper ions into the solid.
The enrichment unit 500 processes the solids and outputs an enrichment solution of copper ions; the enrichment unit 500 includes a reaction tank for reacting a solid with a dissolving agent and outputting an enriched liquid of copper ions, and a third feeding device for inputting the dissolving agent into the reaction tank.
The reduction unit 600 processes the enriched liquid of copper ions and outputs a copper simple substance; the reduction unit 600 comprises a cyclone electrodeposition device, the obtained copper simple substance is attached to the cathode to obtain a cathode copper product, and the obtained electrodeposition barren solution can be used as a dissolving agent in the enrichment unit 500 for recycling.
FIG. 2 is a schematic structural diagram of a second embodiment of the system for treating acidic copper-containing wastewater according to the present invention.
As shown in fig. 2, the system for treating acidic copper-containing wastewater of the second embodiment further includes a purification unit 700 on the basis of the first embodiment, wherein the purification unit 700 treats solids and removes impurities and anions in the solids.
The purification unit 700 includes a washing tank, a water adding device and a third solid-liquid separation device, the washing tank is used for reacting solids with washing water and outputting a third solid-liquid mixture, the water adding device is used for inputting washing water into the washing tank, the third solid-liquid separation device is used for performing solid-liquid separation on the third solid-liquid mixture and outputting purified solids to the enrichment unit 500, and the third solid-liquid separation device is a centrifugal separation device or a plate-and-frame filter pressing device.
Therefore, anions attached to the solid can be removed through the purification unit 700, the purity of the copper ion enrichment solution is improved, and the purity of the copper simple substance product is further improved; the permeate from the concentration unit 200 can be used to purify the washing water in the unit 700.
In the embodiment of the method for treating acidic copper-containing wastewater according to the present invention, in order to obtain the best treatment effect, it is preferable to use: the concentration of copper ions in the concentrated solution is 5-20 g/L (or the concentration multiple is 30-40 times); the first separation unit 300 adjusts the pH of the concentrated solution to 3-5; the first regulator is liquid caustic soda and/or lime, and when the fluorine ions in the wastewater are higher, part or all of the first regulator is preferably lime; the second separation unit 400 adjusts the pH value of the first clear liquid to 6-9, the second adjusting agent is liquid alkali and/or lime, and the liquid alkali is preferably adopted to reduce the generation amount of solids; the pH value of the solid treated by the enrichment unit 500 is 0-3, the temperature is 10-60 ℃, and the time is 0.5-2 h.
The beneficial effects of the treatment system and the treatment method of the acidic copper-containing wastewater of the invention are illustrated by specific application examples.
Example 1
The treatment system of embodiment 2 is adopted to treat the acidic copper plating wastewater, wherein the filtering unit 100 adopts a tubular filter, the concentrating unit 200 adopts reverse osmosis equipment, and the first solid-liquid separation equipment, the second solid-liquid separation equipment and the third solid-liquid separation equipment all adopt plate-and-frame filter pressing equipment.
The technological parameters are as follows: the pH value of the concentrated solution is adjusted to be 4 by the first separation unit 300, the first regulator is a sodium hydroxide solution, the pH value of the first clear solution is adjusted to be 7 by the second separation unit 400, the second regulator is a sodium hydroxide solution, the washing water is the permeate liquid output by the concentration unit 200, the using amount of the washing water is 5 times of the volume of the concentrated solution, the dissolving agent is a mixture of dilute sulfuric acid and an electrodeposition barren solution, the using amount of the dissolving agent is 0.5 times of the volume of the concentrated solution, the pH value of the solid treated by the dissolving agent is 1-2, the temperature is 20-30 ℃, and the treatment time is 2 hours.
The water quality parameters of the wastewater, the concentrated solution, the clear solution and the copper ion enriched solution are shown in Table 1.
TABLE 1
Figure BDA0003782594170000051
Treating the enrichment solution by using rotational flow electrodeposition equipment, wherein the current density is 400A/m 2 The circulation speed of the electric effusion is 8m 3 And/h (or supplementing new electrolyte when the copper ions in the electrolyte are less than 2000 mg/L), wherein the electrodeposition time is 72h, the obtained cathode copper product meets the Cu-CATH-2 cathode copper standard in GB/T467-1997, and the cathode current efficiency is about 94.0%.
Example 2
The process parameters of this example differ from example 1 as follows: the first regulator is lime, the second regulator is sodium hydroxide solution, the washing water is tap water, and the dissolving agent is a mixture of tap water and the electrodeposition barren solution.
The water quality parameters of the wastewater, the concentrated solution, the clear solution and the copper ion enriched solution are shown in Table 2.
TABLE 2
Figure BDA0003782594170000061
Treating the enrichment solution by using rotational flow electrodeposition equipment, wherein the current density is 300A/m 2 The circulation speed of the electrohydrodynamic is 8m 3 And/h (or supplementing new electro-deposition liquid when the copper ions in the electro-deposition liquid are lower than 2000 mg/L), wherein the electro-deposition time is 96h, the obtained cathode copper product meets the Cu-CATH-2 cathode copper standard in GB/T467-1997, and the cathode current efficiency is about 89.1%.
In conclusion, the treatment system and the treatment method for the acidic copper-containing wastewater can be used for efficiently and economically treating the acidic copper-containing wastewater, the copper recovery rate is high (can reach more than 90%), the environmental protection benefit is good, the cost is low, the economic burden and the environmental protection pressure of enterprises can be reduced, the additional economic benefit can be generated, and the treatment system and the treatment method are suitable for large-scale industrial application.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. Based on the above description of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort shall fall within the protection scope of the present invention.

Claims (10)

1. Acid copper-containing waste water's processing system, its characterized in that: the method comprises the following steps:
a filtration unit (100), wherein the filtration unit (100) processes the acidic copper-containing wastewater and outputs filtrate;
a concentration unit (200), the concentration unit (200) processing the filtrate and outputting a concentrated solution;
a first separation unit (300) that adjusts the pH of the concentrated solution and outputs a clear solution through solid-liquid separation processing;
a second separation unit (400), the second separation unit (400) adjusting the pH of the first clear liquid and outputting a solid through solid-liquid separation processing;
an enrichment unit (500), the enrichment unit (500) processing solids and outputting an enriched liquor of copper ions;
the reduction unit (600) processes the enriched liquid of the copper ions and outputs the copper simple substance.
2. The system for treating acidic copper-containing wastewater according to claim 1, wherein: the filtration unit (100) comprises a filtration device; the concentration unit (200) comprises a membrane separation device.
3. The system for treating acidic copper-containing wastewater according to claim 1, wherein: the first separation unit (300) comprises:
the first regulating tank is used for enabling the concentrated solution to react with the first regulating agent and outputting a first solid-liquid mixture;
the first feeding device is used for inputting a first regulating agent into the first regulating tank;
and the first solid-liquid separation equipment is used for carrying out solid-liquid separation on the first solid-liquid mixture and outputting clear liquid.
4. The system for treating acidic copper-containing wastewater according to claim 1, wherein: the second separation unit (400) comprises:
the second regulating tank is used for enabling the clear liquid to react with a second regulating agent and outputting a second solid-liquid mixture;
the second feeding device is used for inputting a second regulator into the second regulating reservoir;
and the second solid-liquid separation equipment is used for carrying out solid-liquid separation on the second solid-liquid mixture and outputting solids.
5. The system for treating acidic copper-containing wastewater according to claim 1, wherein: the enrichment unit (500) comprises:
the reaction tank is used for enabling the solid and the dissolving agent to react and outputting the enriched liquid of the copper ions;
and the third feeding device is used for feeding a dissolving agent into the reaction tank.
6. The system for treating acidic copper-containing wastewater according to claim 1, wherein: also comprises a purification unit (700), wherein the purification unit (700) is used for treating the solid and removing impurities in the solid and the reduction unit (600) of the anion reduction unit (600).
7. The system for treating acidic copper-containing wastewater according to claim 6, wherein: the purification unit (700) comprises:
a wash tank for reacting the solids with wash water and outputting a third solid-liquid mixture;
the water adding equipment is used for inputting washing water into the washing tank;
and the third solid-liquid separation equipment is used for carrying out solid-liquid separation on the third solid-liquid mixture and outputting the purified solid to the enrichment unit (500).
8. The system for treating acidic copper-containing wastewater according to claim 1, wherein: the reduction unit (600) comprises a cyclonic electrodeposition apparatus.
9. The method for treating the acidic copper-containing wastewater is characterized by comprising the following steps: use of a processing system according to one of the claims 1-8.
10. The method for treating acidic copper-containing wastewater according to claim 9, wherein:
the concentration of copper ions in the concentrated solution is 5-20 g/L;
the first separation unit (300) adjusts the pH value of the concentrated solution to 3-5;
the second separation unit (400) adjusts the pH value of the first clear liquid to 6-9;
the pH value of the solid treated by the enrichment unit (500) is 0-3, the temperature is 10-60 ℃, and the time is 0.5-2 h.
CN202210935563.4A 2022-08-04 2022-08-04 Treatment system and treatment method for acidic copper-containing wastewater Pending CN115259488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210935563.4A CN115259488A (en) 2022-08-04 2022-08-04 Treatment system and treatment method for acidic copper-containing wastewater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210935563.4A CN115259488A (en) 2022-08-04 2022-08-04 Treatment system and treatment method for acidic copper-containing wastewater

Publications (1)

Publication Number Publication Date
CN115259488A true CN115259488A (en) 2022-11-01

Family

ID=83749625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210935563.4A Pending CN115259488A (en) 2022-08-04 2022-08-04 Treatment system and treatment method for acidic copper-containing wastewater

Country Status (1)

Country Link
CN (1) CN115259488A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231993A (en) * 1979-06-11 1980-11-04 The United States Of America As Represented By The Secretary Of The Interior Recovery of metal values from lead smelter matte
CN102311189A (en) * 2011-08-12 2012-01-11 马前 System for treatment of acid mine drainage and resource recovery of iron, aluminum, copper and zinc in drainage
CN104773887A (en) * 2015-04-23 2015-07-15 南京霖厚环保科技有限公司 Process and device for recovering electrolytic copper from copper-containing wastewater
CN105460972A (en) * 2015-12-28 2016-04-06 广州科城环保科技有限公司 Recycling method of circuit board solder stripping waste liquid
CN109467241A (en) * 2018-10-29 2019-03-15 深圳骏泽环保有限公司 The board wastewater treatment process of copper ion zero-emission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231993A (en) * 1979-06-11 1980-11-04 The United States Of America As Represented By The Secretary Of The Interior Recovery of metal values from lead smelter matte
CN102311189A (en) * 2011-08-12 2012-01-11 马前 System for treatment of acid mine drainage and resource recovery of iron, aluminum, copper and zinc in drainage
CN104773887A (en) * 2015-04-23 2015-07-15 南京霖厚环保科技有限公司 Process and device for recovering electrolytic copper from copper-containing wastewater
CN105460972A (en) * 2015-12-28 2016-04-06 广州科城环保科技有限公司 Recycling method of circuit board solder stripping waste liquid
CN109467241A (en) * 2018-10-29 2019-03-15 深圳骏泽环保有限公司 The board wastewater treatment process of copper ion zero-emission

Similar Documents

Publication Publication Date Title
US10662075B2 (en) Method and apparatus for the recovery and deep treatment of polluted acid
CN106746113B (en) Process and system for recycling and reusing fluorine-containing wastewater in photovoltaic industry
CN111268771A (en) Electrochemical method for dechlorinating and removing heavy metals from incineration fly ash water washing liquid
CN109437463B (en) Advanced treatment and recycling device for stone coal blank roasting vanadium extraction high-salt wastewater and using method
CN105858987A (en) Recycling treatment process for recovering pure water and pure nickel from electro-nickelling rinsing wastewater
CN111170517A (en) Treatment process and treatment system for desulfurization wastewater
CN110950474A (en) Phenol-cyanogen wastewater resource zero-discharge method and process
JP2023016648A (en) Method for collecting and reusing nickel and phosphorous resource in electroless nickel plating waste solution
CN111170516A (en) Treatment process and treatment system for desulfurization wastewater
CN113896346A (en) Efficient treatment process for fluorine-containing wastewater
CN109437444B (en) Recycling treatment device and method for vanadium precipitation mother liquor and washing water
CN101935126A (en) Combined treatment method for electro-deposition and membrane separation of zinc-containing heavy metal waste water
JP2010059502A (en) Treatment method and device for copper etching waste solution
CN106746046B (en) Process device and method for realizing zero discharge of desulfurization waste liquid based on electrically-driven ionic membrane
CN111170519A (en) Treatment process and treatment system for desulfurization wastewater
CN213171875U (en) High-salinity organic wastewater zero-discharge treatment system
CN112159005A (en) Treatment process and treatment system for aluminum processing anode waste liquid
JPS63291608A (en) System for regenerating acidic waste liquid
CN111960601A (en) System and method for synchronously treating copper-containing wastewater and organic wastewater
CN111041248A (en) Method for recovering valuable metals in chlorine-containing waste liquid
CN114455762B (en) Wastewater treatment system and application thereof in wastewater treatment of battery anode material production
CN115259488A (en) Treatment system and treatment method for acidic copper-containing wastewater
CN113789547B (en) Purification method of copper electrolysis waste liquid
CN113401924B (en) Brine refining method
CN112897771B (en) Treatment device and treatment method for rare earth smelting wastewater

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