CN109293170A - A kind of nickel-contained wastewater treatment device and method - Google Patents
A kind of nickel-contained wastewater treatment device and method Download PDFInfo
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- CN109293170A CN109293170A CN201811401487.9A CN201811401487A CN109293170A CN 109293170 A CN109293170 A CN 109293170A CN 201811401487 A CN201811401487 A CN 201811401487A CN 109293170 A CN109293170 A CN 109293170A
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- nickel
- waste water
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- response area
- hypoxia response
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 133
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 56
- 239000002351 wastewater Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000376 reactant Substances 0.000 claims abstract description 16
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 230000003197 catalytic effect Effects 0.000 claims abstract description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 38
- 206010021143 Hypoxia Diseases 0.000 claims description 27
- 230000007954 hypoxia Effects 0.000 claims description 27
- 230000004044 response Effects 0.000 claims description 27
- 239000002068 microbial inoculum Substances 0.000 claims description 24
- 229910001453 nickel ion Inorganic materials 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 16
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 14
- 244000005706 microflora Species 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- 230000007062 hydrolysis Effects 0.000 claims description 12
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 11
- 238000003672 processing method Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 8
- 239000011790 ferrous sulphate Substances 0.000 claims description 8
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 8
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000003729 cation exchange resin Substances 0.000 claims description 7
- 238000002306 biochemical method Methods 0.000 claims description 6
- 238000009388 chemical precipitation Methods 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 6
- 238000005342 ion exchange Methods 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000007747 plating Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- SPIFDSWFDKNERT-UHFFFAOYSA-N nickel;hydrate Chemical compound O.[Ni] SPIFDSWFDKNERT-UHFFFAOYSA-N 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- 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
- C02F2101/105—Phosphorus compounds
-
- 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
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention belongs to field of waste water treatment, more particularly to a kind of nickel-contained wastewater treatment device and method, device includes by the sequentially connected collecting pit of pipeline, catalytic hydrolysis reaction device, chemistry except nickel reactant device, depth remove nickel reactant device, biochemical reactor and Fenton reactor, the water inlet of the catalytic hydrolysis reaction device is equipped with the first elevator pump, the depth is equipped with the second elevator pump except nickel reactant device water inlet, and the biochemical reactor water inlet is equipped with third elevator pump.The present invention can effectively remove nickel, total phosphorus, COD, ammonia nitrogen, total nitrogen in waste water.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to a kind of nickel-contained wastewater treatment device and method.
Background technique
Chemical nickel plating due to coating uniformly, be not required to that external power, hardness are high, wear-resisting property is good, plating is not by component ruler
The advantages that very little shape limits and be widely used in every field, but a large amount of chemistry can be generated in chemical nickel plating production process
Nickel-plating waste water, the chemical nickel including aging give up tank liquor, cleaning coating bath when generate chemical nickel washing trough water, matched with sulfuric acid and hydrogen peroxide
Nitre slot waste liquid, nitre slot washing water made of system etc..
It is such as unprocessed straight containing pollutants such as more organic matter, nickel, ammonia nitrogen, total nitrogen, total phosphorus in chemical nickle-plating wastewater
Run in put and would seriously pollute the environment and be detrimental to health.Therefore, it is most important to deal carefully with chemical nickle-plating wastewater.
The conventional treatment method of chemical nickle-plating wastewater pertains only to the processing of chemical nickel washing trough water and nitre slot washing water at present, right
It is seldom referred in the processing method of the useless tank liquor of the higher chemical nickel of pollutant concentration, nitre slot waste liquid, processing disposition universal at present
Mode is outward transport transfer, there is a problem of that cost is excessively high, while there are security risks in transfer process.
Summary of the invention
The object of the present invention is to provide a kind of nickel-contained wastewater treatment device and methods, being capable of efficient process nickel-containing waste water.
The solution of the present invention are as follows: a kind of nickel-contained wastewater treatment device is provided, including by the sequentially connected collecting pit of pipeline,
Catalytic hydrolysis reaction device, chemistry are except nickel reactant device, depth are except nickel reactant device, biochemical reactor and Fenton reactor, the catalysis
The water inlet of hydrolysis reactor is equipped with the first elevator pump, and the depth is equipped with the second elevator pump except nickel reactant device water inlet, described
Biochemical reactor water inlet is equipped with third elevator pump.
Preferably, hydrolysis filling, the sulphur in the hydrolysis filling and nickel-containing waste water are equipped in the catalytic hydrolysis reaction device
Class Fenton's reaction occurs for sour hydrogen peroxide.
Preferably, the depth, which is removed in nickel reactant device, contains cation exchange resin, the cation exchange resin skeleton
The immobilized nickel ion adsorption group of inner surface, the nickel ion adsorption group are used for selective absorption nickel ion.
Preferably, the hypoxia response area and aerobic reactor zone being connected are equipped in the biochemical reactor, it is described aerobic anti-
It answers and is equipped with return pipe inside area, the return pipe is connected to the hypoxia response area, and the return pipe is equipped with the 4th elevator pump,
It is filled with biologic packing material in the hypoxia response area and aerobic reactor zone, has added denitrification microbial inoculum in the hypoxia response area,
Nitrification microbial inoculum is added in the aerobic reactor zone, the denitrification microbial inoculum forms denitrification dominant bacteria in hypoxia response area
Group, the nitrification microbial inoculum form nitrification dominant microflora in aerobic reactor zone.
Another technical solution of the invention are as follows: a kind of nickel-containing waste water processing method is provided, comprising the following steps:
Step 1: the useless tank liquor of nickel, chemical nickel washing trough water, nitre slot waste liquid, nitre slot washing water are collected and is made into chemical nickel waste water；
Step 2: catalyzed hydrolytic methods removal hydrogen peroxide and most of phosphorous are used；
Step 3: most of nickel ion is removed using chemical precipitation method；
Step 4: nickel ion is removed using ion-exchange depth；
Step 5: there are ammonia nitrogen, total nitrogen and organic pollutant using the removal of Anoxic/Aerobic biochemical method；
Step 6: time phosphorous is removed using Fenton process depth；
Preferably, the catalyzed hydrolytic methods in the step 2 are as follows: double using the sulfuric acid in hydrolysis filling and chemical nickel waste water
Class Fenton's reaction occurs for oxygen water, removes hydrogen peroxide while catalysis precipitates secondary phosphorous.
Preferably, the reaction environment pH value of the chemical precipitation method in the step 3 is 8~12, and precipitating removal is most
Nickel ion.
Preferably, the ion-exchange in the step 4 are as follows: using in cation exchange resin depth removal waste water
Nickel ion.
Preferably, the Anoxic/Aerobic biochemical method in the step 5 are as follows: setting hypoxia response area and aerobic reactor zone, it is described
It is filled with biologic packing material in hypoxia response area and aerobic reactor zone, has added denitrification microbial inoculum in the hypoxia response area, it is described
Nitrification microbial inoculum has been added in aerobic reactor zone, the denitrification microbial inoculum can form denitrification dominant microflora in hypoxia response area,
The nitrification microbial inoculum can form nitrification dominant microflora in aerobic reactor zone, make the nitrification and denitrification in Anoxic/Aerobic reaction zone
As main biological respinse.
Preferably, the Fenton process of the step 6 includes addition ferrous sulfate and hydrogen peroxide, the additional amount of ferrous sulfate are
100~3000mg/L, the additional amount of hydrogen peroxide are 50~2000mg/L.
The invention has the benefit that
It is effectively treated, reduces 1. synchronizing realizes give up tank liquor, chemical nickel washing trough water, nitre slot waste liquid, nitre slot washing water of nickel
The processing cost of disposal of nickel-containing waste water.
2. disposably realizing the thorough processing of the contamination indexes such as nickel in nickel-containing waste water, phosphorus, COD, ammonia nitrogen, total nitrogen.
3. class Fenton's reaction, which occurs, using the dioxysulfate water in hydrolysis filling and chemical nickel waste water removes time phosphorous, effectively
The sulfuric acid and hydrogen peroxide of Coal Gas Washing Cycling Water is utilized, has achieved the effect that the treatment of wastes with processes of wastes against one another.
4. loading biologic packing material with Anoxic/Aerobic and adding nitration denitrification microbial inoculum, denitrification is formed in hypoxia response area
Dominant microflora forms nitrification dominant microflora in aerobic reactor zone, becomes the nitrification and denitrification in Anoxic/Aerobic reaction zone
Main biological respinse, is effectively utilized carbon source, realizes the efficient denitrification under the conditions of low ratio of carbon to ammonium, and effectively reduce sludge
Yield, while nitrification and denitrification dominant microflora concentration in Anoxic/Aerobic reaction zone can be significantly greatly increased in biologic packing material, further
The removal effect for promoting ammonia nitrogen and total nitrogen, can completely remove COD, ammonia nitrogen, the total nitrogen in waste liquid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of nickel-contained wastewater treatment device of the present invention.
Fig. 2 is the flow chart of nickel-containing waste water processing method of the present invention.
Specific embodiment
The present invention is further detailed in conjunction with the accompanying drawings below:
Refering to Figure 1, the present invention provides a kind of processing units of ammonia nitrogen waste water, including are sequentially connected by pipeline
Collecting pit 1, catalytic hydrolysis reaction device 2, chemistry except nickel reactant device 3, depth except nickel reactant device 4, biochemical reactor 5 and Fenton it is anti-
Device 6 is answered, the water inlet of the catalytic hydrolysis reaction device 2 is equipped with the first elevator pump 7, and the depth is set except 4 water inlet of nickel reactant device
There is the second elevator pump 8,5 water inlet of biochemical reactor is equipped with third elevator pump 9.
Hydrolysis filling 15 is equipped in the catalytic hydrolysis reaction device 2, the sulfuric acid in the hydrolysis filling and nickel-containing waste water is double
Class Fenton's reaction occurs for oxygen water, can effectively remove hydrogen peroxide while catalysis precipitates secondary phosphorous, avoids hydrogen peroxide from influencing subsequent
Processing.
The chemistry is 8~12 except the pH value in nickel reactant device 3, and precipitating removes most nickel ion.
The depth, which is removed, contains cation exchange resin 10 in nickel reactant device 4, in 10 skeleton of cation exchange resin
The immobilized nickel ion adsorption group in surface, the nickel ion adsorption group are used for selective absorption nickel ion.
The hypoxia response area 13 and aerobic reactor zone 12 being connected, the aerobic reaction are equipped in the biochemical reactor 5
Return pipe is equipped with inside area 12, the return pipe is connected to the hypoxia response area 13, and the return pipe is equipped with the 4th and is promoted
Pump 11.It is filled with biologic packing material 14 in the hypoxia response area 13 and aerobic reactor zone 12, is added in the hypoxia response area 13
There is denitrification microbial inoculum, nitrification microbial inoculum, denitrification microbial inoculum shape in hypoxia response area 13 have been added in the aerobic reactor zone
At denitrification dominant microflora, the nitrification microbial inoculum forms nitrification dominant microflora in aerobic reactor zone, keeps Anoxic/Aerobics at different levels anti-
It answers nitrification and denitrification in area to become main biological respinse, is effectively utilized carbon source, under the conditions of realizing low ratio of carbon to ammonium
Efficient denitrification, and effectively reduce sludge yield, while anoxic, the nitre in aerobic reactor zone can be significantly greatly increased in the biologic packing material
Change and denitrification dominant microflora concentration, the further removal effect for promoting ammonia nitrogen and total nitrogen, Anoxic/Aerobic biochemical method can thoroughly be gone
Except COD, ammonia nitrogen, the total nitrogen in waste liquid.
Adding ferrous sulfate and hydrogen peroxide in the Fenton reactor, the additional amount of the ferrous sulfate is 100~
3000mg/L, the additional amount of the hydrogen peroxide are 50~2000mg/L.
Refering to Figure 1, step 1: collecting the useless slot of nickel the present invention also provides a kind of processing method of nickel-containing waste water
Liquid, chemical nickel washing trough water, nitre slot waste liquid, nitre slot washing water are made into chemical nickel waste water；
Step 2: catalyzed hydrolytic methods removal hydrogen peroxide and most of phosphorous are used；
Step 3: most of nickel ion is removed using chemical precipitation method；
Step 4: nickel ion is removed using ion-exchange depth；
Step 5: there are ammonia nitrogen, total nitrogen and organic pollutant using the removal of Anoxic/Aerobic biochemical method；
Step 6: time phosphorous is removed using Fenton process depth；
Catalyzed hydrolytic methods in the step 2 are as follows: occurred using the dioxysulfate water in hydrolysis filling and chemical nickel waste water
Class Fenton's reaction removes hydrogen peroxide while catalysis precipitates secondary phosphorous.
The reaction environment pH value of chemical precipitation method in the step 3 is 8~12, and precipitating removes most nickel ion.
Ion-exchange in the step 4 are as follows: use the nickel ion in cation exchange resin depth removal waste water.
Anoxic/Aerobic biochemical method in the step 5 are as follows: setting hypoxia response area and aerobic reactor zone, the anoxic are anti-
It answers and is filled with biologic packing material in area and aerobic reactor zone, denitrification microbial inoculum has been added in the hypoxia response area, it is described aerobic anti-
It answers and has added nitrification microbial inoculum in area, the denitrification microbial inoculum can form denitrification dominant microflora, the nitre in hypoxia response area
Nitrification dominant microflora can be formed in aerobic reactor zone by changing microbial inoculum, and the nitrification and denitrification in Anoxic/Aerobic reaction zone is made to become master
The biological respinse wanted.
The Fenton process of the step 6 includes that ferrous sulfate and hydrogen peroxide is added, and the additional amount of ferrous sulfate is 100~
3000mg/L, the additional amount of hydrogen peroxide are 50~2000mg/L.
Following table is 5 embodiment relevant parameter tables that nickel-containing waste water is handled using the present apparatus:
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the invention as claimed with
Modification, should all belong to the covering scope of the claims in the present invention.
Claims (10)
1. a kind of nickel-contained wastewater treatment device, which is characterized in that including anti-by the sequentially connected collecting pit of pipeline, catalyzing hydrolysis
Answer device, chemistry except nickel reactant device, depth are except nickel reactant device, biochemical reactor and Fenton reactor, the catalytic hydrolysis reaction device
Water inlet be equipped with the first elevator pump, the depth except nickel reactant device water inlet be equipped with the second elevator pump, the biochemical reactor
Water inlet is equipped with third elevator pump.
2. nickel-contained wastewater treatment device according to claim 1, which is characterized in that be equipped in the catalytic hydrolysis reaction device
Class Fenton's reaction occurs for the dioxysulfate water in hydrolysis filling, the hydrolysis filling and nickel-containing waste water.
3. nickel-contained wastewater treatment device according to claim 1, which is characterized in that the depth is removed to be contained in nickel reactant device
Cation exchange resin, the immobilized nickel ion adsorption group of cation exchange resin skeleton inner surface, the nickel ion absorption
Group is used for selective absorption nickel ion.
4. nickel-contained wastewater treatment device according to claim 1, which is characterized in that be equipped with and be connected in the biochemical reactor
The hypoxia response area connect and aerobic reactor zone, the aerobic reactor zone inside are equipped with return pipe, and the return pipe is connected to described
Hypoxia response area, the return pipe are equipped with the 4th elevator pump, are filled with biology in the hypoxia response area and aerobic reactor zone
Filler has added denitrification microbial inoculum in the hypoxia response area, nitrification microbial inoculum, the anti-nitre has been added in the aerobic reactor zone
Change microbial inoculum and form denitrification dominant microflora in hypoxia response area, the nitrification microbial inoculum forms nitrification advantage in aerobic reactor zone
Flora.
5. a kind of nickel-containing waste water processing method, which comprises the following steps:
Step 1: the useless tank liquor of nickel, chemical nickel washing trough water, nitre slot waste liquid, nitre slot washing water are collected and is made into chemical nickel waste water；
Step 2: catalyzed hydrolytic methods removal hydrogen peroxide and most of phosphorous are used；
Step 3: most of nickel ion is removed using chemical precipitation method；
Step 4: nickel ion is removed using ion-exchange depth；
Step 5: there are ammonia nitrogen, total nitrogen and organic pollutant using the removal of Anoxic/Aerobic biochemical method；
Step 6: time phosphorous is removed using Fenton process depth.
6. nickel-containing waste water processing method according to claim 5, which is characterized in that the catalyzed hydrolytic methods in the step 2
Are as follows: class Fenton's reaction occurs using the dioxysulfate water in hydrolysis filling and chemical nickel waste water, precipitates the same of time phosphorous in catalysis
When remove hydrogen peroxide.
7. nickel-containing waste water processing method according to claim 5, which is characterized in that the chemical precipitation method in the step 3
Reaction environment pH value be 8~12, precipitating removes most nickel ion.
8. nickel-containing waste water processing method according to claim 5, which is characterized in that the ion-exchange in the step 4
Are as follows: use the nickel ion in cation exchange resin depth removal waste water.
9. nickel-containing waste water processing method according to claim 5, which is characterized in that the Anoxic/Aerobic in the step 5 is raw
Change method are as follows: hypoxia response area and aerobic reactor zone are set, are filled with biologic packing material in the hypoxia response area and aerobic reactor zone,
Denitrification microbial inoculum has been added in the hypoxia response area, and nitrification microbial inoculum, the denitrifying bacterium have been added in the aerobic reactor zone
Agent can form denitrification dominant microflora in hypoxia response area, and the nitrification microbial inoculum can form nitrification advantage in aerobic reactor zone
Flora makes the nitrification and denitrification in Anoxic/Aerobic reaction zone become main biological respinse.
10. nickel-containing waste water processing method according to claim 5, which is characterized in that the Fenton process of the step 6 includes
It is added ferrous sulfate and hydrogen peroxide, the additional amount of ferrous sulfate is 100~3000mg/L, the additional amount of hydrogen peroxide is 50~
2000mg/L。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401487.9A CN109293170B (en) | 2018-11-22 | 2018-11-22 | Nickel-containing wastewater treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401487.9A CN109293170B (en) | 2018-11-22 | 2018-11-22 | Nickel-containing wastewater treatment device and method |
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| Publication Number | Publication Date |
|---|---|
| CN109293170A true CN109293170A (en) | 2019-02-01 |
| CN109293170B CN109293170B (en) | 2023-12-19 |
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| CN201811401487.9A Active CN109293170B (en) | 2018-11-22 | 2018-11-22 | Nickel-containing wastewater treatment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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