CN206244575U - A kind of cupric sulfate purified production system - Google Patents
A kind of cupric sulfate purified production system Download PDFInfo
- Publication number
- CN206244575U CN206244575U CN201621237700.3U CN201621237700U CN206244575U CN 206244575 U CN206244575 U CN 206244575U CN 201621237700 U CN201621237700 U CN 201621237700U CN 206244575 U CN206244575 U CN 206244575U
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- entrance point
- export
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- filter
- production system
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- 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.)
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- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 229910000366 copper(II) sulfate Inorganic materials 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 239000002699 waste material Substances 0.000 claims abstract description 39
- 238000000746 purification Methods 0.000 claims abstract description 38
- 238000005530 etching Methods 0.000 claims abstract description 27
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 25
- 238000002425 crystallisation Methods 0.000 claims abstract description 24
- 230000008025 crystallization Effects 0.000 claims abstract description 24
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 239000012452 mother liquor Substances 0.000 claims abstract description 13
- 239000002912 waste gas Substances 0.000 claims abstract description 13
- 230000002378 acidificating effect Effects 0.000 claims abstract description 11
- 238000004090 dissolution Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000005342 ion exchange Methods 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 21
- 239000000706 filtrate Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Removal Of Specific Substances (AREA)
Abstract
The utility model is related to industrial waste water treatment, specifically related to a kind of cupric sulfate purified production system, including acidic etching waste liquid pretreatment unit, alkaline etching waste liquid for producing pretreatment unit, neutralizing tank, the first filter press, the first beater, the second filter press, the second beater, extraction equipment, retort, the first crystallization tank, disposing mother liquor equipment, dissolution equipment, purification pot, heating concentrator and the second crystallization tank.Production system equipment of the present utility model is simple, easy to operate, environment friendly and pollution-free, without waste gas and wastes discharge, realizes twice laid, and mother liquid recycling, Zi Yehuishou enterprises, high financial profit reaches the purpose that regeneration is recycled.
Description
Technical field
The utility model is related to industrial waste water treatment, and in particular to a kind of cupric sulfate purified production system.
Background technology
At present, copper sulphate produces waste electrolyte, waste product copper, the printed wiring board erosion that raw material mainly has copper electrolyzing refining to produce
Waste liquid, Copper Ores, Copper smelting dust and waste residue are carved, and the production of sulfuric acid copper products mainly produces agriculture still based on roughing mode
With level and technical grade sulfuric acid copper.And traditional copper sulphate production process high cost, and without purification, obtained copper sulphate crude product
Quality dissatisfaction, containing more impurity and metal ion, purity is not high, in causing assist side manufacturing process, impurity and metal
Ion is entrained into plating solution, the problems such as coating pin hole, numb sand is occurred, is blacked and be mouldy；In addition, being produced during production copper sulphate
Raw tail water can not regenerate, and cause to waste, and discharge also results in environmental pollution.
The content of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of plating level
Copper sulphate production system, the equipment is simple, easy to operate, environment friendly and pollution-free, without waste gas and wastes discharge, realizes twice laid, female
Liquid is recycled, Zi Yehuishou enterprises, high financial profit, reaches the purpose that regeneration is recycled.
The purpose of this utility model is achieved through the following technical solutions：A kind of cupric sulfate purified production system, including acid
Property etching waste liquor pretreatment unit, alkaline etching waste liquid for producing pretreatment unit, neutralizing tank, the first filter press, the first beater, second
Filter press, the second beater, extraction equipment, retort, the first crystallization tank, disposing mother liquor equipment, dissolution equipment, purification pot, plus
Hot concentrator and the second crystallization tank；On the basis of use direction, entrance point and the acidic etching waste liquid of neutralizing tank pre-process dress
The port of export connection of the port of export and alkaline etching waste liquid for producing pretreatment unit put, the port of export of neutralizing tank enters with the first filter press
The connection of mouthful end, entrance point, the port of export of the first beater enter with the first cake of filter-press port of export, the second filter press respectively
The connection of mouthful end, entrance point, the port of export of the second beater respectively with the second cake of filter-press port of export, the entrance point of retort
Connection, the entrance point of extraction equipment is connected with the filtrate (liquid end of the first filter press and the filtrate (liquid end of the second filter press, extracts
The port of export of taking equipment is connected with the entrance point of the second beater, entrance point, the port of export of the first crystallization tank respectively with retort
The port of export, disposing mother liquor equipment entrance point connection, the port of export of disposing mother liquor equipment is connected with the entrance point of neutralizing tank, molten
Entrance point, the port of export of solution the equipment port of export respectively with the first crystallization tank, the entrance point of purification pot are connected, and heat concentrator
Entrance point, the port of export port of export respectively with purification pot, the entrance point of the second crystallization tank is connected.
Further, acidic etching waste liquid pretreatment unit includes acid filter, acid purification pot and the first filter；
Entrance point, the port of export of acid the purification pot port of export respectively with acid filter, the entrance point of the first filter are connected, and first
The port of export of filter is connected with the entrance point of neutralizing tank.
Further, alkaline etching waste liquid for producing pretreatment unit includes alkaline filter machine, alkaline purification pot and the second filter；
Entrance point, the port of export of alkaline the purification pot port of export respectively with alkaline filter machine, the entrance point of the second filter are connected, and second
The port of export of filter is connected with the entrance point of neutralizing tank.
Further, also including waste gas tower, the exhaust end of the inlet end of waste gas tower and acid purification pot, alkaline purification pot
The exhaust end connection of exhaust end and neutralizing tank.
Further, also including the 3rd filter, entrance point, the port of export of the 3rd filter respectively with the first filter press
Filtrate (liquid end, the entrance point connection of extraction equipment.
Further, also including the 4th filter and the first ion-exchange unit, entrance point, the port of export of the 4th filter
The port of export respectively with extraction equipment, the entrance point of the first ion-exchange unit are connected, the port of export of the first ion-exchange unit
Entrance point with the second beater is connected.
Further, also including the second ion-exchange unit and sub- liquid workshop, the entrance point of the second ion-exchange unit, go out
Mouthful end port of export respectively with the first ion-exchange unit, the entrance point in sub- liquid workshop are connected.
Further, also including copper sulphate storage container, the entrance point of copper sulphate storage container goes out with the second crystallization tank
The connection of mouth end.
The beneficial effects of the utility model are：Production system equipment of the present utility model is simple, easy to operate, environmentally friendly nothing
Pollution, without waste gas and wastes discharge, realizes twice laid, and mother liquid recycling, Zi Yehuishou enterprises, high financial profit reaches again
The raw purpose for recycling.
98%, purity are up to using the content of copper ion in cupric sulfate purified obtained in production system of the present utility model
In refined cupric sulfate purified energy assist side manufacture high, it is to avoid various metal impurities and organic impurities are entrained into plating solution, have
The problems such as preventing to effect coating from pin hole, numb sand occur, blacking and be mouldy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference is：1-acidic etching waste liquid pretreatment unit, 11-acid filter, 12-acid purification pot,
13-the first filter, 2-alkaline etching waste liquid for producing pretreatment unit, 21-alkaline filter machine, 22-alkaline purification pot, 23-the
Tow filtrator, 3-neutralizing tank, the 4-the first filter press, the 41-the first beater, the 42-the second filter press, the 43-the second mashing
Machine, the 44-the three filter, 45-extraction equipment, the 451-the four filter, the 452-the first ion-exchange unit, 453-the
Two ion-exchange units, 454-sub- liquid workshop, 5-retort, the 6-the first crystallization tank, 61-disposing mother liquor equipment, 62-it is molten
Solution equipment, 63-purification pot, 64-heating concentrator, the 65-the second crystallization tank, 66-copper sulphate storage container, 7-waste gas
Tower.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made into one with reference to embodiment and accompanying drawing 1
The explanation of step, the content that implementation method is referred to is not to restriction of the present utility model.
See that Fig. 1, a kind of cupric sulfate purified production system, including acidic etching waste liquid pretreatment unit 1, alkali etching give up
Liquid pretreatment unit 2, neutralizing tank 3, the first filter press 4, the first beater 41, the second filter press 42, the second beater 43, extraction
Equipment 45, retort 5, the first crystallization tank 6, disposing mother liquor equipment 61, dissolution equipment 62, purification pot 63, heating concentrator 64
With the second crystallization tank 65；On the basis of use direction, the entrance point of neutralizing tank 3 and going out for acidic etching waste liquid pretreatment unit 1
The port of export connection of mouth end and alkaline etching waste liquid for producing pretreatment unit 2, the import of the port of export of neutralizing tank 3 and the first filter press 4
End connection, entrance point, the port of export of the first beater 41 filtered solid outlet end, the second filter press 42 respectively with the first filter press 4
Entrance point connection, entrance point, the port of export of the second beater 43 respectively with filtered solid outlet end, the retort of the second filter press 42
5 entrance point connection, the filtrate at the filtrate (liquid end and the second filter press 42 of the entrance point of extraction equipment 45 and the first filter press 4
The port of export is connected, and the port of export of extraction equipment 45 is connected with the entrance point of the second beater 43, the entrance point of the first crystallization tank 6,
The port of export port of export respectively with retort 5, the entrance point of disposing mother liquor equipment 61 are connected, the port of export of disposing mother liquor equipment 61
Entrance point with neutralizing tank 3 is connected, the port of export, the purification respectively with the first crystallization tank 6 of entrance point, the port of export of dissolution equipment 62
The entrance point connection of tank 63, heats entrance point, the port of export port of export respectively with purification pot 63, second crystallization of concentrator 64
The entrance point connection of groove 65.
Feed-grade bluestone production system of the present utility model, by using said apparatus and equipment and using above-mentioned
Connected mode, equipment operation is easy, environment friendly and pollution-free, twice laid, and contamination-free is discharged, and the mother liquor in crystallization tank can reuse
Into neutralizing tank 3, recycling for mother liquor is realized.
In the present embodiment, acidic etching waste liquid pretreatment unit 1 includes acid filter 11, acid purification pot 12 and first
Filter 13；Entrance point, the port of export of acid purification pot 12 port of export respectively with acid filter 11, the first filter 13
Entrance point is connected, and the port of export of the first filter 13 is connected with the entrance point of neutralizing tank 3.It is of the present utility model above-mentioned by using
Equipment and its connected mode, the filtration, purification of acidic etching waste liquid can be made to process more fully, completely, and it is acid to improve removal
The efficiency and effect of sandstone impurity and impurity metal ion in waste liquid.
In the present embodiment, alkaline etching waste liquid for producing pretreatment unit 2 includes alkaline filter machine 21, alkaline purification pot 22 and second
Filter 23；Entrance point, the port of export of alkaline purification pot 22 port of export respectively with alkaline filter machine 21, the second filter 23
Entrance point is connected, and the port of export of the second filter 23 is connected with the entrance point of neutralizing tank 3.It is of the present utility model above-mentioned by using
Equipment and its connected mode, can make alkaline etching waste liquid for producing filtration, purification process more fully, completely, and improve removal alkalescence
The efficiency and effect of sandstone impurity and impurity metal ion in waste liquid.
In the present embodiment, also including waste gas tower 7, the inlet end of waste gas tower 7 is net with the exhaust end of acidity purification pot 12, alkalescence
Change the exhaust end connection of the exhaust end and neutralizing tank 3 of tank 22.The utility model is by using waste gas tower 7 and its inlet end and acidity
The connected mode of the exhaust end of purification pot 12, the alkaline exhaust end of purification pot 22 and the exhaust end of neutralizing tank 3, can make acidic etching waste liquid exist
Ammonia and neutralizing tank 3 that acid mist gas, the alkaline etching waste liquid for producing formed in acid purification process are formed in alkaline purification process
The organic substances such as the acid mist gas and ammonia of middle formation, carry out waste gas purification treatment into waste gas tower 7, reach after discharge standard again
Discharge, realizes pollution-free waste gas discharge, the effect of environment protection clean.
In the present embodiment, also including the 3rd filter 44, entrance point, the port of export of the 3rd filter 44 are pressed with first respectively
The entrance point connection at the filtrate (liquid end, extraction equipment 45 of filter 4.The utility model by using the 3rd filter 44 and its with
The connected mode of the first filter press 4 and extraction equipment 45, can sufficiently be filtered to filtrate, fine impurities be removed, to reach
The extraction standard of stoste is extracted, plays a part of to protect extraction equipment 45, and improve the efficiency and effect of extraction.
In the present embodiment, also including the 4th filter 451 and the first ion-exchange unit 452, the 4th filter 451 enters
Mouthful end, the port of export port of export respectively with extraction equipment 45, the entrance point of the first ion-exchange unit 452 are connected, the first ion
The port of export of switching equipment 452 is connected with the entrance point of the second beater 43.The utility model is by using the 4th filter 451
With the first ion-exchange unit 452, and its connected mode with the beater 43 of extraction equipment 45 and second, extraction equipment can be made
Waste liquid in 45 is by after the purified treatment of filter and ion-exchange unit, then provides to beater and use, and improves waste liquid
Utilizability, realize twice laid, reach the purpose of environment protection clean.
In the present embodiment, also including the second ion-exchange unit 453 and sub- liquid workshop 454, the second ion-exchange unit 453
Entrance point, the port of export port of export respectively with the first ion-exchange unit 452, the entrance point in sub- liquid workshop 454 is connected.This reality
With new by using the second ion-exchange unit 453 and sub- liquid workshop 454, and its with the first ion-exchange unit 452 and
The connected mode in sub- liquid workshop 454, can make waste liquid by forming sub- liquid after purified treatment, and can be used as the finished product pin for having added value
Sell to circuit board etching producer to use, the effect that realization is turned waste into wealth, reach the purpose that environmental protection is utilized.
In the present embodiment, also including copper sulphate storage container 66, the entrance point of copper sulphate storage container 66 and second is crystallized
The port of export connection of groove 65.The utility model is by the way that using copper sulphate storage container 66 and its connection with crystallization tank, energy is in time
Storage cupric sulfate purified is stored in shady place, it is to avoid the weathering of sulfuric acid copper products is decomposed and loses the crystallization water.
98%, purity are up to using the content of copper ion in cupric sulfate purified obtained in production system of the present utility model
In refined cupric sulfate purified energy assist side manufacture high, it is to avoid various metal impurities and organic impurities are entrained into plating solution, have
The problems such as preventing to effect coating from pin hole, numb sand occur, blacking and be mouldy.
Above-described embodiment is the utility model preferably implementation, and in addition, the utility model can be with other sides
Formula realizes that any obvious replacement is in protection model of the present utility model without departing from the concept of the premise utility
Within enclosing.
Claims (8)
1. a kind of cupric sulfate purified production system, it is characterised in that：Including acidic etching waste liquid pretreatment unit, alkali etching
It is waste liquid pretreatment unit, neutralizing tank, the first filter press, the first beater, the second filter press, the second beater, extraction equipment, anti-
Answer tank, the first crystallization tank, disposing mother liquor equipment, dissolution equipment, purification pot, heating concentrator and the second crystallization tank；To use
On the basis of direction, the entrance point of neutralizing tank is pre-processed with the port of export of acidic etching waste liquid pretreatment unit and alkaline etching waste liquid for producing
The port of export connection of device, the port of export of neutralizing tank is connected with the entrance point of the first filter press, the entrance point of the first beater, goes out
The entrance point of mouthful end respectively with the first cake of filter-press port of export, the second filter press is connected, and the entrance point of the second beater, goes out
Entrance point of the mouth end respectively with the second cake of filter-press port of export, retort is connected, and the entrance point of extraction equipment and first is pressed
The filtrate (liquid end connection at the filtrate (liquid end and the second filter press of filter, the port of export of extraction equipment enters with the second beater
The connection of mouthful end, entrance point, the port of export of the first crystallization tank port of export respectively with retort, the entrance point of disposing mother liquor equipment connect
Connect, the port of export of disposing mother liquor equipment is connected with the entrance point of neutralizing tank, entrance point, the port of export of dissolution equipment are respectively with first
The entrance point connection of the port of export of crystallization tank, purification pot, heats entrance point, the port of export of concentrator and goes out with purification pot respectively
Mouth end, the entrance point connection of the second crystallization tank.
2. a kind of cupric sulfate purified production system according to claim 1, it is characterised in that：Acidic etching waste liquid is located in advance
Reason device includes acid filter, acid purification pot and the first filter；Entrance point, the port of export of acid purification pot respectively with acid
Property the port of export of filter, the entrance point connection of the first filter, the port of export of the first filter connects with the entrance point of neutralizing tank
Connect.
3. a kind of cupric sulfate purified production system according to claim 1, it is characterised in that：Alkaline etching waste liquid for producing is located in advance
Reason device includes alkaline filter machine, alkaline purification pot and the second filter；Entrance point, the port of export of alkaline purification pot respectively with alkali
Property the port of export of filter, the entrance point connection of the second filter, the port of export of the second filter connects with the entrance point of neutralizing tank
Connect.
4. a kind of cupric sulfate purified production system according to claim 1, it is characterised in that：Also include waste gas tower, give up
The exhaust end of the inlet end of gas tower and acid purification pot, the alkaline exhaust end of purification pot and the exhaust end of neutralizing tank are connected.
5. a kind of cupric sulfate purified production system according to claim 1, it is characterised in that：Also include the 3rd filtering
Device, entrance point, the port of export of the 3rd filter filtrate (liquid end respectively with the first filter press, the entrance point of extraction equipment connect
Connect.
6. a kind of cupric sulfate purified production system according to claim 1, it is characterised in that：Also include the 4th filter
With the first ion-exchange unit, entrance point, the port of export of the 4th the filter port of export respectively with extraction equipment, the first ion are handed over
The entrance point connection of exchange device, the port of export of the first ion-exchange unit is connected with the entrance point of the second beater.
7. a kind of cupric sulfate purified production system according to claim 6, it is characterised in that：Also handed over including the second ion
Exchange device and sub- liquid workshop, entrance point, the port of export of the second ion-exchange unit respectively with the outlet of the first ion-exchange unit
End, the entrance point connection in sub- liquid workshop.
8. a kind of cupric sulfate purified production system according to claim 1, it is characterised in that：Also stored including copper sulphate
Container, the entrance point of copper sulphate storage container is connected with the port of export of the second crystallization tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237700.3U CN206244575U (en) | 2016-11-18 | 2016-11-18 | A kind of cupric sulfate purified production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237700.3U CN206244575U (en) | 2016-11-18 | 2016-11-18 | A kind of cupric sulfate purified production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206244575U true CN206244575U (en) | 2017-06-13 |
Family
ID=59001254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621237700.3U Expired - Fee Related CN206244575U (en) | 2016-11-18 | 2016-11-18 | A kind of cupric sulfate purified production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206244575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534384A (en) * | 2019-01-24 | 2019-03-29 | 苏州华锋环保技术有限公司 | High purity copper sulfate production line |
| CN110357142A (en) * | 2019-07-29 | 2019-10-22 | 深圳市海文环保技术有限公司 | Copper-containing etching waste solution processing method and system |
-
2016
- 2016-11-18 CN CN201621237700.3U patent/CN206244575U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534384A (en) * | 2019-01-24 | 2019-03-29 | 苏州华锋环保技术有限公司 | High purity copper sulfate production line |
| CN110357142A (en) * | 2019-07-29 | 2019-10-22 | 深圳市海文环保技术有限公司 | Copper-containing etching waste solution processing method and system |
| CN110357142B (en) * | 2019-07-29 | 2022-02-01 | 深圳市海文环保技术有限公司 | Method and system for treating copper-containing etching waste liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 ho Chong Industrial Zone, second Chung three village, Ma Chung, Dongguan, Guangdong Patentee after: DONGGUAN DERUI INDUSTRIAL WASTE TREATMENT CO.,LTD. Address before: 523000 Hao Feng Industrial Park, second Chung three village, Ma Chung, Dongguan, Guangdong Patentee before: DONGGUAN XINYI INDUSTRIAL WASTE TREATMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 |