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 PDF

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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
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China
Prior art keywords
nickel
electrolysis
waste water
storage tank
waste
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CN201610641078.0A
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Chinese (zh)
Inventor
陈灏康
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Shanghai Heng Jie environmental protection technology Co., Ltd.
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陈灏康
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Priority to CN201610641078.0A priority Critical patent/CN106086421A/en
Publication of CN106086421A publication Critical patent/CN106086421A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working 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
    • C22B7/006Wet processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/285Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00Obtaining nickel or cobalt
    • C22B23/04Obtaining nickel or cobalt by wet processes
    • C22B23/0453Treatment or purification of solutions, e.g. obtained by leaching
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/06Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
    • C25C1/08Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of nickel or cobalt
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16Nature 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • 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

A kind of nickel-containing waste water nickel reclaimer and recovery method
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.
CN201610641078.0A 2016-08-08 2016-08-08 A kind of nickel-containing waste water nickel reclaimer and recovery method Pending CN106086421A (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
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

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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
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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
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Cited By (6)

* Cited by examiner, † Cited by third party
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

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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

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Application publication date: 20161109