CN106086421A - A kind of nickel-containing waste water nickel reclaimer and recovery method - Google Patents
A kind of nickel-containing waste water nickel reclaimer and recovery method Download PDFInfo
- Publication number
- CN106086421A CN106086421A CN201610641078.0A CN201610641078A CN106086421A CN 106086421 A CN106086421 A CN 106086421A CN 201610641078 A CN201610641078 A CN 201610641078A CN 106086421 A CN106086421 A CN 106086421A
- Authority
- CN
- China
- Prior art keywords
- nickel
- electrolysis
- waste water
- storage tank
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
- C25C1/08—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of nickel or cobalt
-
- 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
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Water Supply & Treatment (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a kind of nickel-containing waste water nickel reclaimer and recovery method, it relates to sewage treatment area technology;In described nickel waste water nickel reclaimer, nickel waste collection tank is connected with electrolysis bath by sewage pump, electrolysis bath is connected by the remaining liquid storage tank of pump and electrolysis, the top of the remaining liquid storage tank of electrolysis is connected with nickel waste collection tank by pipeline, and the bottom of the remaining liquid storage tank of electrolysis is connected with filter and resin container successively by high-pressure pump.Described recovery method comprises collection, electrolysis, adjust pH-value, filter and the step such as recovery, use nickeliferous rinse water that the attached principle of ion-exchange absorption discharges for production line cleaning sections such as PCB and the electronickelling of electroplating enterprise, heavy nickel gold, chemical nickel platings or change groove nickel-containing waste water and carry out nickel recovery, the economic benefit reclaiming nickel acquisition is considerable, in water after process, nickel content is less than 0.1mg/L, reach discharging standards, successfully solve the difficult difficult problem to discharging standards of nickel-containing waste water.
Description
Technical field
The present invention relates to a kind of nickel-containing waste water nickel reclaimer and recovery method, belong to sewage treatment area technology.
Background technology
In PCB and the nickeliferous rinse water of the production line cleaning section discharge such as the electronickelling of electroplating enterprise, heavy nickel gold, chemical nickel plating
Or change in groove nickel-containing waste water, containing substantial amounts of nickel.During blowdown, nickel-containing waste water is general with the waste water containing the metallic element such as golden, stanniferous
After mixing, it is emitted into treatment tank together, in processing pond, adds general precipitation reagent, carry out initial chemical reaction, make
After partly metallic element simply reclaims, i.e. these sewage are discharged.The most this simple sewage treatmentmethod, metal unit
Element recovery utilization rate is the lowest, additionally, carry out sewage disposal after making various metals mixed liquor dual disposal again, specific aim is not strong,
Cause cost of sewage disposal too high.In addition at present country's sewage discharge defines discharge standard to nickel element, if as the most above-mentioned simply
Sewage disposal is discharged, and typically can not reach the intractable discharging standards of nickel-containing waste water.
Summary of the invention
For the problems referred to above, the technical problem to be solved in the present invention is to provide a kind of nickel-containing waste water nickel reclaimer and recovery
Method.
The present invention nickel-containing waste water nickel reclaimer.It comprises nickel waste collection tank 1, sewage pump 2, electrolysis bath 3, pump
4, the remaining liquid storage tank 5 of electrolysis, high-pressure pump 6, filter 7, resin container 8, exhaust gas treating tower 9 and blower fan 10, nickel waste collection tank 1 leads to
Crossing sewage pump 2 to be connected with electrolysis bath 3, electrolysis bath 3 is connected by the remaining liquid storage tank 5 of pump 4 and electrolysis, the top of the remaining liquid storage tank 5 of electrolysis
Be connected with nickel waste collection tank 1 by pipeline, the bottom of the remaining liquid storage tank 5 of electrolysis by high-pressure pump 6 successively with filter 7 and resin
Tank 8 connects.
As preferably, described resin container 8 is 1 or multiple, and multiple resin containers 8 are serially connected by pipeline, when
So, it is also possible to increase and decrease the quantity of resin container 8, to meet different demands according to needing.
As preferably, described electrolysis bath 3 is equipped with exhaust gas treating tower 9, and electrolysis bath 3 is connected with one end of exhaust gas treating tower 9,
The other end of exhaust gas treating tower 9 is connected with blower fan 10, and this exhaust gas treating tower 9 collects the waste gas produced in electrolysis bath 3, at waste gas
Extracted out outside by blower fan 10 after reason.
Beneficial effects of the present invention: use the attached principle of ion-exchange absorption for PCB and the electronickelling of electroplating enterprise, heavy nickel
The nickeliferous rinse water of the production line cleaning section such as gold, chemical nickel plating discharge or change groove nickel-containing waste water and carry out nickel recovery, regulation pH be 4~
7, selectively nickel is adsorbed from washings and waste water with inhaling nickel chelating resin, nickeliferous chelating resin dilute sulfuric acid
Just rinsing and backwash recycling utilization, collecting and inhale nickel chelating resin eluent recovery nickel, containing 20g/L~100 in eluent
The nickel sulfate of g/L can directly return and be electrolyzed to produce nickel block in nickeliferous waste liquid collecting tank or electrolysis bath, reclaims the economic benefit that nickel obtains
Considerable, in the water after process, nickel content is less than 0.1mg/L, reaches discharging standards, successfully solves nickel-containing waste water
A difficult difficult problem to discharging standards.
Accompanying drawing illustrates:
For ease of explanation, the present invention is embodied as and accompanying drawing is described in detail by following.
Fig. 1 is present configuration schematic diagram;
Fig. 2 is electrolysis bath side-looking structural representation in the present invention;
Fig. 3 is that in the present invention, electrolysis bath faces structural representation;
Fig. 4 is the recovery method flowage structure schematic diagram of the present invention.
Detailed description of the invention:
As Figure 1-4, this detailed description of the invention is by the following technical solutions: its bag Nickel-bearing Waste
Liquid collecting tank 1, sewage pump 2, electrolysis bath 3, pump 4, the remaining liquid storage tank 5 of electrolysis, high-pressure pump 6, filter 7, resin container 8, useless
Gas disposal tower 9 and blower fan 10, nickel waste collection tank 1 is connected with electrolysis bath 3 by sewage pump 2, and electrolysis bath 3 is by pump 4 and electrolysis
Remaining liquid storage tank 5 connects, and the top of the remaining liquid storage tank 5 of electrolysis is connected with nickel waste collection tank 1 by pipeline, the remaining liquid storage tank 5 of electrolysis
Bottom is connected with filter 7 and resin container 8 successively by high-pressure pump 6.
As preferably, described resin container 8 is 1 or multiple, and multiple resin containers 8 are serially connected by pipeline, when
So, it is also possible to increase and decrease the quantity of resin container 8, to meet different demands according to needing.
As preferably, described electrolysis bath 3 is equipped with exhaust gas treating tower 9, and electrolysis bath 3 is connected with one end of exhaust gas treating tower 9,
The other end of exhaust gas treating tower 9 is connected with blower fan 10, and this exhaust gas treating tower 9 collects the waste gas produced in electrolysis bath 3, at waste gas
Extracted out outside by blower fan 10 after reason.
The recovery method of this detailed description of the invention is: (a) collects: to PCB and the electronickelling of electroplating enterprise, heavy nickel gold, change
Learn the nickeliferous rinse water of the production line cleaning section discharge of nickel plating or change groove nickel-containing waste water and carry out being recycled to nickeliferous waste liquid collecting tank 1;
B () is electrolysed: be electrolysed by this electrolysis bath 3 of the waste water suction in nickeliferous waste liquid collecting tank 1, obtain nickel block;Electrolysis produces
Waste gas be passed through to exhaust gas treating tower 9, extracted out outside to after exhaust-gas treatment by blower fan 10;
C () adjusts pH-value: by pump 4 by pipeline by the remaining liquid storage tank 5 of liquid suction electrolysis more than the electrolysis in electrolysis bath 3, by waste liquid
PH value be adjusted to 4~7;
D () filters: be connected to be electrolysed remaining liquid storage tank 5 by pipeline by high-pressure pump 6, filter thick impurity;
E () resin absorption: the band nickel waste liquid resin by injection tank 8 after filtering, adds in resin container and inhales nickel chelating resin, use
Nickel is adsorbed from washings and waste water by ion-exchange absorption attached principle selectively, nickeliferous chelating resin dilute sulfuric acid
Just rinsing and backwash recycling utilization;
(f) reuse: collecting and inhale nickel chelating resin eluent recovery nickel, in eluent, the nickel sulfate containing 20g/L~100 g/L is straight
Connect in the nickeliferous waste liquid collecting tank 1 of return or electrolysis bath 3 and be electrolyzed to produce nickel block.
In water after above-mentioned 6 step process, nickel content is less than 0.1mg/L, reaches country's discharge
Standard, successfully solves the difficult difficult problem to discharging standards of nickel-containing waste water.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (2)
1. a nickel-containing waste water nickel reclaimer, it is characterised in that: it comprises nickel waste collection tank (1), sewage pump (2), electrolysis
Groove (3), pump (4), the remaining liquid storage tank (5) of electrolysis, high-pressure pump (6), filter (7), resin container (8), exhaust gas treating tower (9) and blower fan
(10), nickel waste collection tank (1) is connected with electrolysis bath (3) by sewage pump (2), and electrolysis bath (3) is by the remaining liquid of pump (4) and electrolysis
Storage tank (5) connects, and the top of the remaining liquid storage tank (5) of electrolysis is connected with nickel waste collection tank (1) by pipeline, the remaining liquid storage tank of electrolysis
(5) bottom is connected with filter (7) and resin container (8) successively by high-pressure pump (6), described resin container (8) be 1 or
Multiple, multiple resin containers (8) are serially connected by pipeline, it is, of course, also possible to increase and decrease the number of resin container (8) according to needing
Amount, to meet different demands;Described electrolysis bath (3) is equipped with exhaust gas treating tower (9), electrolysis bath (3) and exhaust gas treating tower (9)
One end connect, the other end of exhaust gas treating tower (9) is connected with blower fan (10), in this exhaust gas treating tower (9) collection electrolysis bath (3)
The waste gas produced, outside to being extracted out by blower fan (10) after exhaust-gas treatment.
2. the recovery method of a nickel-containing waste water nickel reclaimer, it is characterised in that: concrete recovery method comprises the steps of
A () collects: the nickeliferous rinse water discharging PCB and the electronickelling of electroplating enterprise, heavy nickel gold, the production line cleaning section of chemical nickel plating
Or change groove nickel-containing waste water and carry out being recycled to nickeliferous waste liquid collecting tank (1);
B () is electrolysed: this electrolysis bath of the waste water suction (3) in nickeliferous waste liquid collecting tank 1 be electrolysed, obtain nickel block;Electrolysis is produced
Raw waste gas is passed through to exhaust gas treating tower (9), outside to being extracted out by blower fan (10) after exhaust-gas treatment;
C () adjusts pH-value: by pump (4) by pipeline by the remaining liquid storage tank (5) of liquid suction electrolysis more than the electrolysis in electrolysis bath (3),
The pH value of waste liquid is adjusted to 4~7;
D () filters: be connected to be electrolysed remaining liquid storage tank (5) by pipeline by high-pressure pump (6), filter thick impurity;
E () resin absorption: band nickel waste liquid resin by injection tank (8) after filtering, adds in resin container and inhales nickel chelating resin, adopt
Selectively nickel is adsorbed from washings and waste water by the attached principle of ion-exchange absorption, the dilute sulfur of nickeliferous chelating resin
Acid is just being rinsed and backwash recycling utilization;
(f) reuse: collecting and inhale nickel chelating resin eluent recovery nickel, in eluent, the nickel sulfate containing 20g/L~100 g/L is straight
Connect in the nickeliferous waste liquid collecting tank (1) of return or electrolysis bath (3) and be electrolyzed to produce nickel block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610641078.0A CN106086421A (en) | 2016-08-08 | 2016-08-08 | A kind of nickel-containing waste water nickel reclaimer and recovery method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610641078.0A CN106086421A (en) | 2016-08-08 | 2016-08-08 | A kind of nickel-containing waste water nickel reclaimer and recovery method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106086421A true CN106086421A (en) | 2016-11-09 |
Family
ID=57455159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610641078.0A Pending CN106086421A (en) | 2016-08-08 | 2016-08-08 | A kind of nickel-containing waste water nickel reclaimer and recovery method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106086421A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106939430A (en) * | 2017-04-01 | 2017-07-11 | 东莞市青玉环保设备科技有限公司 | Nickel-containing waste water nickel reclaimer and recovery method |
CN109608011A (en) * | 2018-11-20 | 2019-04-12 | 台州市宏民环保科技有限公司 | A method of plating cupro-nickel mixing sludge resource utilization utilizes |
CN109852995A (en) * | 2019-01-23 | 2019-06-07 | 郑宏 | Ion exchange-electrolysis combination method produces electrolytic nickel technique |
CN110453074A (en) * | 2019-08-21 | 2019-11-15 | 深圳市祺鑫天正环保科技有限公司 | Nickel recovery method and recovery system in nickeliferous waste liquid |
CN111074301A (en) * | 2019-12-30 | 2020-04-28 | 深圳市祺鑫天正环保科技有限公司 | Recovery method and recovery system of gold-containing wastewater |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1796312A (en) * | 2004-12-20 | 2006-07-05 | 上海轻工业研究所有限公司 | Method for recovering nickel and removing impurity from nickel-plated wastewater |
CN202164373U (en) * | 2011-07-28 | 2012-03-14 | 湖南万容科技有限公司 | Recycling equipment for nickel in waste electroplating water |
CN202499779U (en) * | 2012-01-10 | 2012-10-24 | 中泽技鑫环保科技(上海)有限公司 | Nickel-containing washing water treatment equipment |
CN103572319A (en) * | 2013-11-25 | 2014-02-12 | 南安市旭繁金属回收有限公司 | Method for recovering nickel from electroplating centralized control wastewater |
CN203959966U (en) * | 2014-07-09 | 2014-11-26 | 东莞市金粟环境科技有限公司 | Move back nickel liquid retrieving arrangement |
CN104250046A (en) * | 2014-09-17 | 2014-12-31 | 郭套龙 | Nickel-containing wastewater treatment device and treatment method thereof |
CN204625394U (en) * | 2015-04-02 | 2015-09-09 | 昆山捷斯安环保科技有限公司 | Nickeliferous waste liquid electrolytic recovery device |
-
2016
- 2016-08-08 CN CN201610641078.0A patent/CN106086421A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1796312A (en) * | 2004-12-20 | 2006-07-05 | 上海轻工业研究所有限公司 | Method for recovering nickel and removing impurity from nickel-plated wastewater |
CN202164373U (en) * | 2011-07-28 | 2012-03-14 | 湖南万容科技有限公司 | Recycling equipment for nickel in waste electroplating water |
CN202499779U (en) * | 2012-01-10 | 2012-10-24 | 中泽技鑫环保科技(上海)有限公司 | Nickel-containing washing water treatment equipment |
CN103572319A (en) * | 2013-11-25 | 2014-02-12 | 南安市旭繁金属回收有限公司 | Method for recovering nickel from electroplating centralized control wastewater |
CN203959966U (en) * | 2014-07-09 | 2014-11-26 | 东莞市金粟环境科技有限公司 | Move back nickel liquid retrieving arrangement |
CN104250046A (en) * | 2014-09-17 | 2014-12-31 | 郭套龙 | Nickel-containing wastewater treatment device and treatment method thereof |
CN204625394U (en) * | 2015-04-02 | 2015-09-09 | 昆山捷斯安环保科技有限公司 | Nickeliferous waste liquid electrolytic recovery device |
Non-Patent Citations (1)
Title |
---|
国家环保局: "《有色金属工业废水治理》", 30 November 1991, 中国环境科学出版社 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106939430A (en) * | 2017-04-01 | 2017-07-11 | 东莞市青玉环保设备科技有限公司 | Nickel-containing waste water nickel reclaimer and recovery method |
CN109608011A (en) * | 2018-11-20 | 2019-04-12 | 台州市宏民环保科技有限公司 | A method of plating cupro-nickel mixing sludge resource utilization utilizes |
CN109852995A (en) * | 2019-01-23 | 2019-06-07 | 郑宏 | Ion exchange-electrolysis combination method produces electrolytic nickel technique |
CN109852995B (en) * | 2019-01-23 | 2021-03-05 | 郑宏 | Process for producing electrolytic nickel by ion exchange-electrolysis combined method |
CN110453074A (en) * | 2019-08-21 | 2019-11-15 | 深圳市祺鑫天正环保科技有限公司 | Nickel recovery method and recovery system in nickeliferous waste liquid |
CN111074301A (en) * | 2019-12-30 | 2020-04-28 | 深圳市祺鑫天正环保科技有限公司 | Recovery method and recovery system of gold-containing wastewater |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106086421A (en) | A kind of nickel-containing waste water nickel reclaimer and recovery method | |
CN205954083U (en) | Nickeliferous waste water nickel recovery equipment | |
CN106939430A (en) | Nickel-containing waste water nickel reclaimer and recovery method | |
CN104250046B (en) | A kind of nickel-contained wastewater treatment device and its processing method | |
CN103833167B (en) | Chromic acid method of wastewater treatment and treatment system | |
CN102071311A (en) | Multisection acid leaching, multistage countercurrent washing and filter pressing integrated system and method | |
CN101885520A (en) | Method and device for recovering nickel resource and water resource in nickel plating wastewater | |
CN101549920A (en) | Method for recovering nickel salts in nickel-electroplating waste water | |
CN106007056A (en) | Device and method for simultaneous removal of trace heavy metals in electroplating wastewater | |
CN114159835A (en) | Automatic circulating cadmium removal device and method for cobalt chloride solution | |
CN106868297A (en) | Containing golden waste water gold reclaimer and recovery method | |
CN107399854A (en) | The system and method for heavy metal and arsenic in a kind of removing metallurgical off-gas acid-making acid waste water | |
CN202519343U (en) | System for recovering copper from waste circuit board | |
CN205953737U (en) | It uses gold recovery equipment to contain golden waste water regeneration cycle | |
CN210314493U (en) | Novel molten tin stripping water recycling system | |
CN108483574A (en) | A kind of electroplating waste processing equipment and method reducing the useless danger yield of sludge | |
CN107129093A (en) | The chemically quick, method of high efficiente callback nickel and equipment therefor in nickel-plating waste liquid | |
CN101367569B (en) | Ion exchange treatment process for cyanide containing wastewater | |
CN110980876A (en) | Treatment process for recovering copper and recycling chromium from passivation solution | |
CN207210142U (en) | A kind of system for handling metallurgical off-gas acid-making acid waste water | |
CN209668956U (en) | A kind of plating removes the reclamation set of nickel resin desorption liquid | |
CN202755059U (en) | Etching liquid waste processing device | |
CN108251886A (en) | A kind of online reuse method of nickel plating with impurity removal function | |
CN107119311A (en) | The quick clean online plating solution negative pressure evaporation reuse method of electronickelling production line and equipment | |
CN209917894U (en) | Anti-blocking device for tubular reactor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20181025 Address after: 200080 room 14C, 309 Tanggu Road, Hongkou District, Shanghai 2221 Applicant after: Shanghai Heng Jie environmental protection technology Co., Ltd. Address before: 200120 2801, room 4, Lane 108, Shangcheng Road, Pudong New Area, Shanghai. Applicant before: Chen Haokang |
|
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |