CN107759006A - A kind of nickeliferous industrial waste water disposal device and technique - Google Patents
A kind of nickeliferous industrial waste water disposal device and technique Download PDFInfo
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- CN107759006A CN107759006A CN201610685261.0A CN201610685261A CN107759006A CN 107759006 A CN107759006 A CN 107759006A CN 201610685261 A CN201610685261 A CN 201610685261A CN 107759006 A CN107759006 A CN 107759006A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Abstract
The invention discloses a kind of device that can be handled nickeliferous industrial wastewater and its handling process：The device is made up of 1 set of combined reactor, and chemical nickel waste water and plating nickel waste water are handled with chemical precipitation method respectively, are extended the sedimentation time, are realized natural sedimentation water outlet.Then rest device is blown by ammonia nitrogen again and handles ammonia nitrogen, classification efficient process finally is carried out to COD with anaerobic-aerobic artificial wet land system combination method.The present invention is using actual nickeliferous industrial wastewater as water inlet, pass through control material dosage, reaction time, nickel is removed in the form of chemical precipitation and reclaim, while COD, ammonia nitrogen is efficiently removed with the bio combined method of physics, water outlet is reached discharging standards.On the basis of being effectively treated to sewage, the recovery of nickel is improved, there is the advantages such as process is simple, operating cost is low.
Description
Technical field
Present invention relates generally to field of environment protection equipment, refers in particular to a kind of device that can be handled nickeliferous industrial wastewater
And its processing method.It is related to industrial nickel-containing waste water processing technology field.
Technical background
Nickel-containing waste water is generally divided into two classes, and one kind is plating nickel waste water, and the nickel of the inside is present in the form of nickel ion.Separately
A kind of waste water is chemical nickle-plating wastewater, and nickel ion and the complexing agent of the inside combine to form complexing and be good for, while containing a large amount of in waste water
Hypophosphite ion.
Electronickelling waste component is simple, and the nickel of the inside is present in the form of nickel ion.The main spy of chemical nickle-plating wastewater
Point is after plating solution uses some cycles, because by-products content constantly raises, causes plating speed to slow down, plating solution performance deteriorates, coating
The defects of mechanics ability declines with glossiness, porosity rises, ultimately results in plating solution and scraps.Contain 2g/L in chemical nickel plating waste solution
~7g/L nickel and 8g/L~20g/L phosphorus, while substantial amounts of reducing agent also be present such as：Sodium hypophosphite, sodium phosphite etc., pH delay
The substantial amounts of organic matters such as electuary (Acetic acid-sodium acetate), stabilizer, accelerator and brightener.Feature is exactly nickel, COD, phosphorus, ammonia nitrogen
Content is all very high.
In recent years, remove nickel using chemical precipitation method to be widely studied and apply, utilize various ions and nickel ion
Form precipitation and remove nickel.It is technics comparing maturation the advantages of chemical precipitation method meanwhile the nickel precipitation of formation can be reclaimed effectively,
Practicality, operating cost are relatively low.However, not carrying out classification processing in processing procedure to nickel-containing waste water, the removal efficiency of nickel is not high.
It is not high simultaneously for Phosphorus From Wastewater, ammonia nitrogen, COD clearances.
Bioanalysis degradation of organic waste water is at home and abroad all widely used, and has that operating cost is low, treatment effeciency is high
The advantages that.Wherein anaerobic bio-treated has good treatment effect for high concentrated organic wastewater, and Aerobic biological process is to low dense
Degree organic wastewater has good treatment effect.
Artificial swamp is mainly made by soil, artificial dielectric, plant, the physics of microorganism, chemistry, the triple collaborations of biology
With a kind of, the technology handled sewage, have anti-load can manage strong, good treatment effect, technique are simple, cost is low,
The features such as operating cost is few.
The present invention solves original processing disadvantages, develops a kind of throwing on the basis of original chemical precipitation removes nickel technology
Money is less, management service is simple, the sewage disposal device of stable effluent quality, to China's nickel-containing waste water (particularly nickel, COD, phosphorus,
Ammonia-nitrogen content is all very high) processing, there is important practice significance.
The content of the invention
It is an object of the invention to provide a kind of processing of nickel-containing waste water (particularly nickel, COD, phosphorus, ammonia-nitrogen content are all very high)
Device, reduces construction and the operating cost of nickel-containing waste water processing, while most nickel can be reclaimed in processing procedure.Processing
Nickel, COD, phosphorus, ammonia nitrogen water outlet can reach discharging standards in nickeliferous industrial wastewater afterwards.
Technical scheme is as follows：Equipment therefor of the present invention be applicant's designed, designed reactor, core cell
Combined the unit for 1 set, in detail as shown in Figure 1.
Apparatus main body is 12 reactors：It is reactor 10, reactor 11, reactor 12, reactor 13, reactor 14, anti-
Device 15, contact break pond 48, more medium filter 49, ammonia nitrogen is answered to blow rest device 50, anaerobic reactor 51, aerobic reactor 52, artificial
Wet land system 53；3 regulating reservoirs：Regulating reservoir 1, regulating reservoir 2, regulating reservoir 5, between reactor and regulating reservoir using communicating pipe by it
Connect, while magnetic valve is installed, can be with time opening valve.
Technological innovation：The processing unit, can be independent instead not in 2 reactors by chemical nickel waste water, plating nickel waste water
Remove, be advantageous to cost-effective；Extend the sedimentation time of chemical nickel waste water, realize natural sedimentation, without adding coagulant and wadding
Solidifying agent, reduces cost, while the waste residue nickel content fully precipitated is high, has good recovery value；Utilize depth contact break method
The treatment effect of nickel is further improved, so as to reach discharge standard；Support method is blown by ammonia nitrogen removal using physics, utilizes anaerobism-good
For oxygen-artificial wet land system combination method by COD degradation, so doing can be such that complicated nickel-containing waste water is thoroughly handled, and have work
Skill is simple, and cost is low, and accessory substance energy preferably back feeding cost etc. is many a little.
The present invention solves the technical scheme used by its technical problem：A kind of nickeliferous industrial waste water disposal device and work
Skill, use device of the core cell for 12 reactors, it is characterised in that comprise the following steps：
Water-delivery pump 6, inlet valve 21 are opened within (1) first day, chemical nickle-plating wastewater enters reactor 11 from regulating reservoir 2；Enter
After water, measuring pump 8 is opened, enters medicine valve 20, vulcanized sodium and calcium hydroxide are added respectively from dosing pond 3,4 by measuring pump 8
Enter in reactor 11, then open agitator 40；
Water-delivery pump 6, inlet valve 22 are opened within (2) second days, chemical nickle-plating wastewater enters reactor 12 from regulating reservoir 2；Enter
After water, measuring pump 8 is opened, enters medicine valve 19, vulcanized sodium and calcium hydroxide are added respectively from dosing pond 3,4 by measuring pump 8
Enter in reactor 12, then open agitator 41；
Water-delivery pump 6, inlet valve 23 are opened within (3) the 3rd days, chemical nickle-plating wastewater enters reactor 13 from regulating reservoir 2；Enter
After water, measuring pump 8 is opened, enters medicine valve 18, vulcanized sodium and calcium hydroxide are added respectively from dosing pond 3,4 by measuring pump 8
Enter in reactor 13, then open agitator 42；
Water-delivery pump 6, inlet valve 24 are opened within (4) the 4th days, chemical nickle-plating wastewater enters reactor 14 from regulating reservoir 2；Enter
After water, measuring pump 8 is opened, enters medicine valve 17, vulcanized sodium and calcium hydroxide are added respectively from dosing pond 3,4 by measuring pump 8
Enter in reactor 14, then open agitator 43；
Water-delivery pump 6, inlet valve 25 are opened within (5) the 5th days, chemical nickle-plating wastewater enters reactor 15 from regulating reservoir 2；Enter
After water, measuring pump 8 is opened, enters medicine valve 16, vulcanized sodium and calcium hydroxide are added respectively from dosing pond 3,4 by measuring pump 8
Enter in reactor 15, then open agitator 44；
Water-delivery pump 7, inlet valve 36 are opened within (6) the 5th days, plating nickel waste water enters reactor 10 from regulating reservoir 1；Water inlet
After, measuring pump 9 is opened, enters medicine valve 39, from dosing pond 4, reactor 10 is added by measuring pump 9 respectively for calcium hydroxide
In, then open agitator 45；
(7) the 6th days opening draining valves 30,37, supernatant enter regulating reservoir 5 from reactor 11,10 respectively；Open spoil disposal
Valve 31,38, the sediment in reactor are discharged from above-mentioned 2 reactors respectively；After the completion of spoil disposal, reactor 11,10 is closed
Draining valve, mud valve, run respectively according to step (1), (6).
(8) water intaking valve 46 is opened, supernatant enters contact break pond 48 from regulating reservoir 5, after adding appropriate contact break agent, opens stirring
Device 47, stirring carry out mud-water separation after terminating, open draining valve 55, supernatant enters more medium filter 49, after draining
Valve is closed, opens mud valve 54, after the completion of spoil disposal, closes mud valve 54.
(9) after supernatant is by more medium filter 49, rest device 50 is blown into ammonia nitrogen by water discharging valve 56, carries out ammonia
Nitrogen removes, and after reaction terminates, liquid enters anaerobic reactor 51 by draining valve 57.
After (10) 24 hours, anaerobic reactor supernatant is entered by draining valve 58 supports reactor 52, carries out COD depth
Processing, reaction terminates rear supernatant and enters artificial wet land system 53 by draining valve 60, after draining terminates, closes draining valve 60,
Mud valve 59 is opened, the sludge of aerobic reactor is discharged in right amount.
(11) after supernatant enters artificial swamp 24h, by water discharging valve 61, discharge it, draining terminates rear shutoff valve
Door.
(12) the 7th days, run according to step (2), (6), (7), (8), (9), (10), (11).
(13) the 8th days, run according to step (3), (6), (7), (8), (9), (10), (11).
(14) the 9th days, run according to step (4), (6), (7), (8), (9), (10), (11).
(15) the 10th days, run according to step (5), (6), (7), (8), (9), (10), (11).
The core of said apparatus is separately individually to handle the nickel-containing waste water of original mixing, extends chemical nickel waste water
Sedimentation time, natural sedimentation is realized, so as to greatly save medicament expense use, improve treatment effect, removed using Physical
Ammonia nitrogen, while removed COD using anaerobic-aerobic-artificial wet land system combination method, cost is low.Efficiently solve Nickel-bearing Waste
The problem of water process is costly, effect is poor, nickel recovery is low.Cause Generalization Ability of this device in nickel-containing waste water processing simultaneously
Further strengthen.
Compared with traditional nickel-containing wastewater treatment technology, above-mentioned operation method has the advantage of following aspect：
(1) system administration is simple and convenient, makes chemical nickel waste water and the plating completely separable processing of nickel waste water, and medicament wastes problem
Greatly solved, stable water outlet；
(2) coagulant, flocculant need not be added, it is cost-effective；
(3) high treating effect, system is safe and reliable, while can obtain the high body refuse of nickel content, is advantageous to returning for nickel
Receive, while being capable of back feeding cost.
(4) anaerobic-aerobic-artificial wet land system combined degradation COD, cost is low, and accessory substance has economic value；
(5) treatment effect is consolidated by more medium filter and artificial wet land system.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is sewage-treatment plant schematic diagram of the present invention；
Wherein：1- electronickellings wastewater equalization pond, 2- chemical nickels wastewater equalization pond, 3- calcium hydroxide medicaments pond, 4- vulcanized sodium
Medicament pond, 5- regulating reservoirs, 6- measuring pumps, 7- measuring pumps, 8- measuring pumps, 9- measuring pumps, 10- reactors, 11- reactors, 12- are anti-
Device, 13- reactors, 14- reactors, 15- reactors, 16- is answered to enter medicine valve, 17- enters medicine valve, 18- enters medicine valve；19- enters
Medicine valve, 20- enter medicine valve, 21- enters medicine valve, 22- enters medicine valve, 23- enters medicine valve, 24- enters medicine valve, 25- enters medicine valve
Door, 26- draining valves, 27- draining valves, 28- draining valves, 29- draining valves, 30- draining valves, 31- mud valves, 32- mud valves, 33-
Mud valve, 34- mud valves, 35- mud valves, 36- water intaking valves, 37- draining valves, 38- mud valves, 39- enter medicine valve, 40- stirrings
Device, 41- agitators, 42- agitators, 43- agitators, 44- agitators, 45- agitators；46- water intaking valves；47- agitators；48-
Contact break pond；49- more medium filters；50- ammonia nitrogens blow rest device；51- anaerobic reactors；52- aerobic reactors；53- Manual moists
Ground system；54- mud valves；55- draining valves；56- draining valves；57- draining valves；58- draining valves；59- mud valves；60- draining valves；
61- draining valves；
Specific embodiment
Below in conjunction with specific preferred embodiment, the invention will be further described, but not thereby limiting the invention
Protection domain.
Embodiment
The present invention is illustrated by taking the processing of actual nickeliferous industrial wastewater as an example below.
Embodiment 1：
With above-mentioned pretreatment unit by the actual nickeliferous industrial wastewater of above-mentioned operation method processing.In chemical nickle-plating wastewater water inlet
Ni2+For 6120mg/L, COD 32800mg/L, TP 215mg/L, TN 1580mg/L；Ni in electronickelling influent waste water2+For
8120mg/L。
Result is as follows after stable operation：Ni in water2+For 0.05mg/L, water outlet COD is 38mg/L, TP 0.2mg/L, ammonia nitrogen
For 5.9mg/L；It can thus be appreciated that device is for Ni2+, COD, ammonia nitrogen, phosphorus removal have good effect, and system can be stablized always
Operation.
Embodiment 2：
With above-mentioned pretreatment unit by the actual nickeliferous industrial wastewater of above-mentioned operation method processing.In chemical nickle-plating wastewater water inlet
Ni2+For 72500mg/L, COD 37600mg/L, TP 254mg/L, TN 1850mg/L；Ni in electronickelling influent waste water2+For
9540mg/L。
Result is as follows after stable operation：Ni in water2+For 0.02mg/L, water outlet COD is 45mg/L, TP 0.31mg/L, ammonia
Nitrogen is 4.5mg/L；It can thus be appreciated that device is for Ni2+, COD, ammonia nitrogen, phosphorus removal have good effect, and system can be steady always
Fixed operation.
Claims (9)
1. a kind of nickeliferous industrial waste water disposal device and technique, it is characterised in that comprise the following steps：
Water-delivery pump 6, inlet valve 21 are opened within (1) first day, chemical nickle-plating wastewater enters reactor 11 from regulating reservoir 2；Intake
Bi Hou, measuring pump 8 is opened, enters medicine valve 20, vulcanized sodium and calcium hydroxide are added instead respectively from dosing pond 3,4 by measuring pump 8
Answer in device 11, then open agitator 40；
Water-delivery pump 6, inlet valve 22 are opened within (2) second days, chemical nickle-plating wastewater enters reactor 12 from regulating reservoir 2；Intake
Bi Hou, measuring pump 8 is opened, enters medicine valve 19, vulcanized sodium and calcium hydroxide are added instead respectively from dosing pond 3,4 by measuring pump 8
Answer in device 12, then open agitator 41；
Water-delivery pump 6, inlet valve 23 are opened within (3) the 3rd days, chemical nickle-plating wastewater enters reactor 13 from regulating reservoir 2；Intake
Bi Hou, measuring pump 8 is opened, enters medicine valve 18, vulcanized sodium and calcium hydroxide are added instead respectively from dosing pond 3,4 by measuring pump 8
Answer in device 13, then open agitator 42；
Water-delivery pump 6, inlet valve 24 are opened within (4) the 4th days, chemical nickle-plating wastewater enters reactor 14 from regulating reservoir 2；Intake
Bi Hou, measuring pump 8 is opened, enters medicine valve 17, vulcanized sodium and calcium hydroxide are added instead respectively from dosing pond 3,4 by measuring pump 8
Answer in device 14, then open agitator 43；
Water-delivery pump 6, inlet valve 25 are opened within (5) the 5th days, chemical nickle-plating wastewater enters reactor 15 from regulating reservoir 2；Intake
Bi Hou, measuring pump 8 is opened, enters medicine valve 16, vulcanized sodium and calcium hydroxide are added instead respectively from dosing pond 3,4 by measuring pump 8
Answer in device 15, then open agitator 44；
Water-delivery pump 7, inlet valve 36 are opened within (6) the 5th days, plating nickel waste water enters reactor 10 from regulating reservoir 1；Water inlet finishes
Afterwards, measuring pump 9 is opened, enters medicine valve 39, calcium hydroxide from dosing pond 4, is added in reactor 10, so by measuring pump 9 respectively
Agitator 45 is opened afterwards；
(7) the 6th days opening draining valves 30,37, supernatant enter regulating reservoir 5 from reactor 11,10 respectively；Opening mud valve 31,
38, the sediment in reactor is discharged from above-mentioned 2 reactors respectively；After the completion of spoil disposal, the draining of reactor 11,10 is closed
Valve, mud valve, run respectively according to step (1), (6).
(8) water intaking valve 46 is opened, supernatant enters contact break pond 48 from regulating reservoir 5, after adding appropriate contact break agent, opens agitator
47, stirring carries out mud-water separation after terminating, and opens draining valve 55, and supernatant enters more medium filter 49, closed after draining
Valve closing door, mud valve 54 is opened, after the completion of spoil disposal, close mud valve 54.
(9) after supernatant is by more medium filter 49, rest device 50 is blown into ammonia nitrogen by water discharging valve 56, ammonia nitrogen is carried out and goes
Remove, after reaction terminates, liquid enters anaerobic reactor 51 by draining valve 57.
After (10) 24 hours, anaerobic reactor supernatant is entered by draining valve 58 supports reactor 52, carries out COD depths
Reason, reaction terminates rear supernatant and enters artificial wet land system 53 by draining valve 60, after draining terminates, closes draining valve 60, beats
Opening mud valve 59, the sludge of aerobic reactor is discharged in right amount.
(11) after supernatant enters artificial swamp 24h, by water discharging valve 61, discharge it, draining closes valve after terminating.
(12) the 7th days, run according to step (2), (6), (7), (8), (9), (10), (11).
(13) the 8th days, run according to step (3), (6), (7), (8), (9), (10), (11).
(14) the 9th days, run according to step (4), (6), (7), (8), (9), (10), (11).
(15) the 10th days, run according to step (5), (6), (7), (8), (9), (10), (11).
2. process according to claim 1, it is characterised in that the making of device in the step, the device by：1-
Electronickelling wastewater equalization pond, 2- chemical nickels wastewater equalization pond, 3- calcium hydroxide medicaments pond, 4- vulcanized sodium medicaments pond, 5- regulating reservoirs,
6- measuring pumps, 7- measuring pumps, 8- measuring pumps, 9- measuring pumps, 10- reactors, 11- reactors, 12- reactors, 13- reactors,
14- reactors, 15- reactors, 16- enter medicine valve, 17- enters medicine valve, 18- enters medicine valve；19- enters medicine valve, 20- enters medicine valve
Door, 21- enters medicine valve, 22- enters medicine valve, 23- enters medicine valve, 24- enters medicine valve, 25- enters medicine valve, 26- draining valves, 27-
Draining valve, 28- draining valves, 29- draining valves, 30- draining valves, 31- mud valves, 32- mud valves, 33- mud valves, 34- mud valves,
35- mud valves, 36- water intaking valves, 37- draining valves, 38- mud valves, 39- enter medicine valve, 40- agitators, 41- agitators, 42- and stirred
Mix device, 43- agitators, 44- agitators, 45- agitators；46- water intaking valves；47- agitators；48- contact breaks pond；49- multimedium mistakes
Filter；50- ammonia nitrogens blow rest device；51- anaerobic reactors；52- aerobic reactors；53- artificial wet land systems；54- mud valves；
55- draining valves；56- draining valves；57- draining valves；58- draining valves；59- mud valves；60- draining valves；61- draining valves；Device enters
Water is drawn water by pump timing, enters reactor by water inlet pipe.
3. process according to claim 1, it is characterised in that the making of device in the step, reactor 10,
11st, 12,13,14,15,48 material is fiberglass.
4. process according to claim 1, it is characterised in that the step reaction device is added all to open after medicament and stirred
Device is mixed, carries out 20min stirring, rotating speed 60r/min.
5. process according to claim 1, it is characterised in that the water source of regulating reservoir 1,2 is respectively in the step
Electroplate nickel waste water, chemical nickel waste water.
6. process according to claim 1, it is characterised in that reactor 11,12,13,14,15 in the step
Reaction time be 5 days, i.e., every 5 days drainings, spoil disposals once, then intake once；The reaction time of reactor 10 is 1 day,
That is water inlet daily, next day draining, spoil disposal, then intakes.
7. process according to claim 1, it is characterised in that more medium filter in the step, mainly by
High-quality grain gravel, quartz sand, magnetic iron ore, anthracite etc. filtrate is formed.
8. process according to claim 1, it is characterised in that the anaerobic reactor cycle of operation is in the step
24h, the aerobic reactor cycle of operation are 5h.
9. process according to claim 1, it is characterised in that in the step artificial wet land system with flyash,
Cinder is filler.
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| CN201610685261.0A CN107759006A (en) | 2016-08-18 | 2016-08-18 | A kind of nickeliferous industrial waste water disposal device and technique |
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| CN201610685261.0A CN107759006A (en) | 2016-08-18 | 2016-08-18 | A kind of nickeliferous industrial waste water disposal device and technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569723A (en) * | 2017-03-07 | 2018-09-25 | 湖南大学 | One kind being concisely and efficiently nickel-containing waste water pretreatment unit and technique |
| CN110395817A (en) * | 2019-07-25 | 2019-11-01 | 苏州湛清环保科技有限公司 | The recycling processing method of chemical nickel plating waste solution |
| CN115259466A (en) * | 2022-08-05 | 2022-11-01 | 广东先导稀材股份有限公司 | Method for treating nickel in high-ammonia-nitrogen high-salt wastewater |
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