CN109574328A - A kind ofization nickel waste water processing system and its processing method - Google Patents

A kind ofization nickel waste water processing system and its processing method Download PDF

Info

Publication number
CN109574328A
CN109574328A CN201910008510.6A CN201910008510A CN109574328A CN 109574328 A CN109574328 A CN 109574328A CN 201910008510 A CN201910008510 A CN 201910008510A CN 109574328 A CN109574328 A CN 109574328A
Authority
CN
China
Prior art keywords
waste water
delivered
regulating tank
slot
machine
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
Application number
CN201910008510.6A
Other languages
Chinese (zh)
Inventor
吴文明
陈圩
马亮
王旭平
唐润丰
李海洋
刘兵
周小强
王娣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shucheng Union Environmental Technology Co Ltd
Original Assignee
Shucheng Union Environmental Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shucheng Union Environmental Technology Co Ltd filed Critical Shucheng Union Environmental Technology Co Ltd
Priority to CN201910008510.6A priority Critical patent/CN109574328A/en
Publication of CN109574328A publication Critical patent/CN109574328A/en
Pending legal-status Critical Current

Links

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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • 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
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • 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
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • 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

Abstract

The invention discloses a kind ofization nickel waste water processing system and its processing methods, including sequentially connectedization nickel waste water collecting pit, the first pH regulating tank, filter, iron carbon slot, Fenton slot, the 2nd pH regulating tank, pulse electric coagulation machine, the 3rd pH regulating tank, high efficiency air float machine, high efficiency air float machine is connected separately with clear liquid temporary storage barrel and plate and frame filter press.The present invention is designed by the combination of System and method for, it solves cumbersome present in conventional process, the problems such as maintenance cost is high, effectively reduce the environmental protection pressure of enterprise, at low cost, easy to operate and stability and high efficiency, the purifying rate for changing nickel waste water is high, can carry out industrial applications, be worthy to be popularized and use.

Description

A kind ofization nickel waste water processing system and its processing method
Technical field
The invention belongs to field of waste water treatment more particularly to a kind ofization nickel waste water processing systems and its processing method.
Background technique
In field of waste water treatment, change nickel waste water and belong to difficult waste water because change in nickel waste water containing complex state nickel and Hypophosphite, the common method of currentization nickel waste water processing have chemical precipitation method, ion-exchange, membrane separation technique etc., this A little conventional methods are difficult processing and reach total nickel 0.1mg/L in electroplating wastewater pollutant emission standard (GB21900-2008) table 3 Hereinafter, total phosphorus (TP) 0.5mg/L standard below, and there is the problems such as cumbersome, maintenance cost is high in the process of running, from And very big environmental protection pressure is generated to enterprise.
In consideration of it, the purpose of the present invention is to provide a kind of energy processing nickel inexpensive, easy to operate and stability and high efficiency The processing system and processing method of waste water make it be discharged Ni2+≤0.1mg/L、TP≤0.5mg/L。
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, provide a kind ofization nickel waste water processing system and Its processing method can be efficiently treated through to nickel waste water is changed.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind ofization nickel waste water processing system, including sequentially connectedization nickel waste water collecting pit, the first pH regulating tank, filtering Device, iron carbon slot, Fenton slot, the 2nd pH regulating tank, pulse electric coagulation machine, the 3rd pH regulating tank, high efficiency air float machine, high efficiency air float machine It is connected separately with clear liquid temporary storage barrel and plate and frame filter press；
Change nickel waste water collecting pit for being collected to the change nickel waste water on production line and being delivered to the first pH regulating tank；
First pH regulating tank is used to be acidified change nickel waste water, and forms acidified waste water and be delivered to filter；
Filter forms filtered wastewater and is delivered to iron carbon for being removed to the suspension class impurity in acidified waste water Slot；
Iron carbon slot is used to carry out micro-electrolysis reaction to filtered wastewater, and forms micro-electrolysis reaction liquid and be delivered to Fenton slot；
Fenton slot forms reaction solution and is delivered to the 2nd pH regulating tank for aoxidizing to electrolysis wastewater；
2nd pH regulating tank is used to carry out reaction solution alkalization adjusting, forms the first alkalization waste water and is delivered to pulse coagulation Machine；
Pulse electric coagulation machine is used to be electrochemically reacted the first alkalization waste water, forms reaction solution and is delivered to the 3rd pH adjusting Slot；
3rd pH regulating tank is used to carry out reaction solution alkalization again to adjust, and forms the second alkalization waste water and be delivered to efficiently Air floatation machine；
High efficiency air float machine is used to carry out flocculation sedimentation to the second alkalization waste water, and air bearing water outlet is delivered to the progress of clear liquid temporary storage barrel Temporary, dross and precipitating sludge are delivered to plate and frame filter press and carry out filters pressing.
Further, the filter be quartz filter, it is more medium filter, any one in cloth envelop collector Kind.
Further, the high efficiency air float machine be shallow layer flotation machine, it is air flotation turbo, any one in flat flow air floatation machine Kind.
The present invention also provides a kind ofization nickel waste water processing methods, the treating method comprises following steps:
Step 1: the change nickel waste water on production line is collected by change nickel waste water collecting pit and is delivered to first by pump PH regulating tank；
Step 2: dilute sulfuric acid, adjustingization nickel waste water pH to 2~4 are added in the first pH regulating tank, and was delivered to by pump Filter；
Step 3: being removed the suspension class impurity in waste water by filter and is delivered to iron carbon slot by pump；
Step 4: loading iron carbon filler inside iron carbon slot, generates micro-electrolysis reaction to waste water and generates Fe2+, waste water by Pump is delivered to Fenton slot；
Step 5: being added hydrogen peroxide and dilute sulfuric acid into Fenton slot, dilute sulfuric acid for maintaining wastewater pH to 2~4, Fe under acid condition in waste water2+Be catalyzed decomposing hydrogen dioxide solution, generate hydroxyl free base complex aoxidize contact break, then by waste water by Pump is delivered to the 2nd pH regulating tank；
Step 6: sodium hydroxide is added in the 2nd pH regulating tank and adjusts pH to 5~7, adds iron chloride and waste water Middle phosphate sufficiently reacts, and waste water is then delivered to pulse electric coagulation machine by pumping；
Step 7: further removing the nickel in waste water by the electrochemical reaction inside pulse electric coagulation machine, and by waste water by Pump is delivered to the 3rd pH regulating tank；
Step 8: sodium hydroxide is added into the 3rd pH regulating tank and adjusts pH to 8~10, is then delivered to waste water by pumping High efficiency air float machine；
Step 9: PAC and PAM flocculation sedimentation being added into high efficiency air float machine, then by the dross of high efficiency air float machine and heavy Shallow lake sludge is delivered to plate and frame filter press and carries out filters pressing, and sewage is kept in by pumping to be delivered in clear liquid temporary storage barrel.
Further, the volume of iron carbon filler is the 1/3~2/3 of iron carbon slot in the step 4.
Further, the reaction time of Fenton slot maintains 1~2h in the step 5.
Further, the outer processing of sludge sludge committee in the step 9 after plate and frame filter press filters pressing, pressing filtering liquid is then by pumping Being delivered to nickel waste water collecting pit.
The beneficial effects of the present invention are:
The present invention is designed by the combination of System and method for, solves cumbersome present in conventional process, dimension The problems such as costly is protected, the environmental protection pressure of enterprise is effectively reduced, at low cost, easy to operate and stability and high efficiency changes nickel waste water Purifying rate is high, can carry out industrial applications, be worthy to be popularized and use.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is flow diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
A kind ofization nickel waste water processing system as shown in Figure 1, including sequentially connectedization nickel waste water collecting pit, the first pH tune Slot, filter, iron carbon slot, Fenton slot, the 2nd pH regulating tank, pulse electric coagulation machine, the 3rd pH regulating tank, high efficiency air float machine are saved, High efficiency air float machine is connected separately with clear liquid temporary storage barrel and plate and frame filter press；
Change nickel waste water collecting pit for being collected to the change nickel waste water on production line and being delivered to the first pH regulating tank；The One pH regulating tank is used to be acidified change nickel waste water, and forms acidified waste water and be delivered to filter；Filter is used for acidification Suspension class impurity in waste water is removed, and is formed filtered wastewater and be delivered to iron carbon slot, and filter is quartz filter, more Any one in medium filter, cloth envelop collector；Iron carbon slot is used to carry out micro-electrolysis reaction to filtered wastewater, and is formed micro- Cell reaction liquid is delivered to Fenton slot；Fenton slot forms reaction solution and is delivered to for aoxidizing to electrolysis wastewater Two pH regulating tanks；2nd pH regulating tank is used to carry out reaction solution alkalization adjusting, forms the first alkalization waste water and is delivered to pulse electricity Solidifying machine；Pulse electric coagulation machine is used to be electrochemically reacted the first alkalization waste water, forms reaction solution and is delivered to the 3rd pH regulating tank； 3rd pH regulating tank is used to carry out reaction solution alkalization again to adjust, and forms the second alkalization waste water and be delivered to high efficiency air float machine； For high efficiency air float machine for carrying out flocculation sedimentation to the second alkalization waste water, it is temporary that formation air bearing water outlet is delivered to the progress of clear liquid temporary storage barrel It deposits, forms dross and precipitating sludge is delivered to plate and frame filter press and carries out filters pressing, high efficiency air float machine is shallow layer flotation machine, cavitation air flotation Any one in machine, flat flow air floatation machine.
The present invention also provides a kind ofization nickel waste water processing methods, the treating method comprises following steps:
Step 1: the change nickel waste water on production line is collected by change nickel waste water collecting pit and is delivered to first by pump PH regulating tank；
Step 2: dilute sulfuric acid, adjustingization nickel waste water pH to 2~4 are added in the first pH regulating tank, and was delivered to by pump Filter；
Step 3: being removed the suspension class impurity in waste water by filter and is delivered to iron carbon slot by pump；
Step 4: loading iron carbon filler inside iron carbon slot, generates micro-electrolysis reaction to waste water and generates Fe2+, waste water by Pump is delivered to Fenton slot, and the volume of iron carbon filler is the 1/3~2/3 of iron carbon slot；
Step 5: hydrogen peroxide and dilute sulfuric acid being added into Fenton slot, for maintaining wastewater pH to 2~4, in acid item Fe under part in waste water2+It is catalyzed decomposing hydrogen dioxide solution, hydroxyl free base complex is generated and aoxidizes contact break, then conveys waste water by pump To the 2nd pH regulating tank, the reaction time of Fenton slot maintains 1~2h；
Step 6: sodium hydroxide is added in the 2nd pH regulating tank and adjusts pH to 5~7, adds iron chloride and waste water Middle phosphate sufficiently reacts, and the phosphate radical, orthophosphite and ferric ion in waste water combine, and forms the indissoluble salts such as ferric phosphate Then waste water is delivered to pulse electric coagulation machine by pumping by class；
Step 7: further removing the nickel in waste water by the electrochemical reaction inside pulse electric coagulation machine, and by waste water by Pump is delivered to the 3rd pH regulating tank；
Step 8: sodium hydroxide is added into the 3rd pH regulating tank and adjusts pH to 8~10, is then delivered to waste water by pumping High efficiency air float machine；
Step 9: PAC and PAM flocculation sedimentation being added into high efficiency air float machine, then by the dross of high efficiency air float machine and heavy Shallow lake sludge is delivered to plate and frame filter press and carries out filters pressing, sewage is kept in by pumping to be delivered in clear liquid temporary storage barrel, plate and frame filter press pressure The outer processing of sludge sludge committee after filter, pressing filtering liquid is then by pump being delivered to nickel waste water collecting pit.
Embodiment 1:
Change nickel waste water collecting pit waste water Ni2+Content 52mg/L, TP content 45.4mg/L, waste water are delivered to the first pH tune by pumping Slot is saved, dilute sulfuric acid, adjustingization nickel waste water pH to 2.5 is added in the first pH regulating tank；The water outlet of first pH regulating tank is delivered to by pump Cloth envelop collector removal of impurities；Cloth envelop collector water outlet is delivered to iron carbon slot, and the iron carbon that volume is iron carbon slot 2/3 is housed inside iron carbon slot Filler；Iron carbon slot reaction solution is delivered to Fenton slot, and hydrogen peroxide and dilute sulfuric acid are added in Fenton slot, maintains reaction pH 3, The reaction time should maintain 1.5h in Fenton slot；Fenton slot, which is discharged, is delivered to the 2nd pH regulating tank, in the 2nd pH regulating tank Sodium hydroxide is added and adjusts pH to 6, adds iron chloride and phosphate in waste water is sufficiently reacted；The water outlet conveying of 2nd pH regulating tank To pulse electric coagulation machine, the water outlet of pulse electric coagulation machine is delivered to the 3rd pH regulating tank, and sodium hydroxide is added in the 3rd pH regulating tank and adjusts PH to 8.5；The water outlet of 3rd pH regulating tank is delivered to flat flow air floatation machine, and it is heavy that PAC and PAM flocculation is added in flat flow air floatation machine It forms sediment, the dross and precipitating sludge of high efficiency air float machine are delivered to plate and frame filter press and carry out filters pressing, the outer processing of sludge committee after filters pressing, pressure Filtrate then being delivered to nickel waste water collecting pit；High efficiency air float machine water outlet, which is delivered in clear liquid temporary storage barrel, keeps in, and is discharged Ni2+Content 0.08mg/L, TP content 0.3mg/L.
Embodiment 2:
Change nickel waste water collecting pit waste water Ni2+Content 62mg/L, TP content 58mg/L, waste water are delivered to the first pH adjusting by pumping Dilute sulfuric acid, adjustingization nickel waste water pH to 2.0 is added in the first pH regulating tank in slot；The water outlet of first pH regulating tank is delivered to cloth by pump Bag type filter removal of impurities；Cloth envelop collector water outlet is delivered to iron carbon slot, fills out inside iron carbon slot equipped with the iron carbon that volume is iron carbon slot 1/3 Material；Iron carbon slot reaction solution is delivered to Fenton slot, and hydrogen peroxide and dilute sulfuric acid are added in Fenton slot, maintains reaction pH 2.5, The reaction time should maintain 2.0h in Fenton slot；Fenton slot, which is discharged, is delivered to the 2nd pH regulating tank, in the 2nd pH regulating tank Sodium hydroxide is added and adjusts pH to 7, adds iron chloride and phosphate in waste water is sufficiently reacted；The water outlet conveying of 2nd pH regulating tank To pulse electric coagulation machine, the water outlet of pulse electric coagulation machine is delivered to the 3rd pH regulating tank, and sodium hydroxide is added in the 3rd pH regulating tank and adjusts PH to 9.0；The water outlet of 3rd pH regulating tank is delivered to flat flow air floatation machine, and it is heavy that PAC and PAM flocculation is added in flat flow air floatation machine It forms sediment, the dross and precipitating sludge of high efficiency air float machine are delivered to plate and frame filter press and carry out filters pressing, the outer processing of sludge committee after filters pressing, pressure Filtrate then being delivered to nickel waste water collecting pit；High efficiency air float machine water outlet, which is delivered in clear liquid temporary storage barrel, keeps in, and is discharged Ni2+Content 0.09mg/L, TP content 0.4mg/L.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.

Claims (7)

1. a kind ofization nickel waste water processing system, it is characterised in that: adjusted including sequentially connectedization nickel waste water collecting pit, the first pH Slot, filter, iron carbon slot, Fenton slot, the 2nd pH regulating tank, pulse electric coagulation machine, the 3rd pH regulating tank, high efficiency air float machine are high Effect air floatation machine is connected separately with clear liquid temporary storage barrel and plate and frame filter press；
Change nickel waste water collecting pit for being collected to the change nickel waste water on production line and being delivered to the first pH regulating tank；
First pH regulating tank is used to be acidified change nickel waste water, and forms acidified waste water and be delivered to filter；
Filter forms filtered wastewater and is delivered to iron carbon slot for being removed to the suspension class impurity in acidified waste water；
Iron carbon slot is used to carry out micro-electrolysis reaction to filtered wastewater, and forms micro-electrolysis reaction liquid and be delivered to Fenton slot；
Fenton slot is used to carry out oxidation processes to electrolysis wastewater, and forms reaction solution and be sent to the 2nd pH regulating tank；
2nd pH regulating tank is used to carry out reaction solution alkalization adjusting, forms the first alkalization waste water and is delivered to pulse electric coagulation machine；
Pulse electric coagulation machine is used to be electrochemically reacted the first alkalization waste water, forms reaction solution and is delivered to the 3rd pH regulating tank；
3rd pH regulating tank is used to carry out reaction solution again alkalization adjusting, and forms the second alkalization waste water and be delivered to efficient air-floating Machine；
High efficiency air float machine is used to carry out flocculation sedimentation to the second alkalization waste water, and it is temporary that air bearing water outlet is delivered to the progress of clear liquid temporary storage barrel It deposits, forms precipitating sludge and dross is delivered to plate and frame filter press and carries out filters pressing.
2. a kind ofization nickel waste water processing system according to claim 1, it is characterised in that: the filter is quartz sand mistake Filter, more medium filter, any one in cloth envelop collector.
3. a kind ofization nickel waste water processing system according to claim 1, it is characterised in that: the high efficiency air float machine is shallow-layer Air floatation machine, air flotation turbo, any one in flat flow air floatation machine.
4. a kind ofization nickel waste water processing method, it is characterised in that: the treating method comprises following steps:
Step 1: the change nickel waste water on production line is collected by change nickel waste water collecting pit and the first pH tune is delivered to by pump Save slot；
Step 2: dilute sulfuric acid, adjustingization nickel waste water pH to 2~4 are added in the first pH regulating tank, and filtering is delivered to by pump Device；
Step 3: being removed the suspension class impurity in waste water by filter and is delivered to iron carbon slot by pump；
Step 4: loading iron carbon filler inside iron carbon slot, generates micro-electrolysis reaction to waste water and generates Fe2+, waste water by pump it is defeated It send to Fenton slot；
Step 5: hydrogen peroxide and dilute sulfuric acid are added into Fenton slot, dilute sulfuric acid is for maintaining wastewater pH 2~4, in acid item Fe under part in waste water2+It is catalyzed decomposing hydrogen dioxide solution, hydroxyl free base complex is generated and aoxidizes contact break, then conveys waste water by pump To the 2nd pH regulating tank；
Step 6: sodium hydroxide is added in the 2nd pH regulating tank and adjusts pH to 5~7, adds iron chloride and Phosphorus From Wastewater Hydrochlorate sufficiently reacts, and waste water is then delivered to pulse electric coagulation machine by pumping；
Step 7: the nickel in waste water is further removed by the electrochemical reaction inside pulse electric coagulation machine, and waste water is defeated by pumping It send to the 3rd pH regulating tank；
Step 8: being added sodium hydroxide into the 3rd pH regulating tank and adjust pH to 8~10, is then delivered to waste water efficiently by pumping Air floatation machine；
Step 9: PAC and PAM flocculation sedimentation being added into high efficiency air float machine, then that the dross of high efficiency air float machine and precipitating is dirty Mud is delivered to plate and frame filter press and carries out filters pressing, and air bearing water outlet is delivered in clear liquid temporary storage barrel by pump and is kept in.
5. a kind ofization nickel waste water processing method according to claim 4, it is characterised in that: iron carbon filler in the step 4 Volume be iron carbon slot 1/3~2/3.
6. a kind ofization nickel waste water processing method according to claim 4, it is characterised in that: Fenton slot in the step 5 Reaction time maintain 1~2h.
7. a kind ofization nickel waste water processing method according to claim 4, it is characterised in that: plate compression in the step 9 The outer processing of sludge sludge committee after machine filters pressing, pressing filtering liquid is then by pump being delivered to nickel waste water collecting pit.
CN201910008510.6A 2019-01-04 2019-01-04 A kind ofization nickel waste water processing system and its processing method Pending CN109574328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910008510.6A CN109574328A (en) 2019-01-04 2019-01-04 A kind ofization nickel waste water processing system and its processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910008510.6A CN109574328A (en) 2019-01-04 2019-01-04 A kind ofization nickel waste water processing system and its processing method

Publications (1)

Publication Number Publication Date
CN109574328A true CN109574328A (en) 2019-04-05

Family

ID=65915562

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910008510.6A Pending CN109574328A (en) 2019-01-04 2019-01-04 A kind ofization nickel waste water processing system and its processing method

Country Status (1)

Country Link
CN (1) CN109574328A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170527A (en) * 2020-02-11 2020-05-19 中冶一局环境科技有限公司 Treatment method of chemical nickel plating waste liquid

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976531A (en) * 2012-11-30 2013-03-20 冯云香 Method for removing total phosphor by chemical nickel-plating wastewater treatment
CN106698764A (en) * 2017-03-16 2017-05-24 深圳市世清环保科技有限公司 Method for removing phosphorus and nickel in electroless nickel-plating wastewater and treatment system
CN106830449A (en) * 2017-01-12 2017-06-13 深圳市世清环保科技有限公司 Effectively reduce the method and its processing system of chemical nickle-plating wastewater pollutant
US20180148350A1 (en) * 2016-11-29 2018-05-31 China Petroleum & Chemical Corporation Method and System for Treating Brine Waste Water

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102976531A (en) * 2012-11-30 2013-03-20 冯云香 Method for removing total phosphor by chemical nickel-plating wastewater treatment
US20180148350A1 (en) * 2016-11-29 2018-05-31 China Petroleum & Chemical Corporation Method and System for Treating Brine Waste Water
CN106830449A (en) * 2017-01-12 2017-06-13 深圳市世清环保科技有限公司 Effectively reduce the method and its processing system of chemical nickle-plating wastewater pollutant
CN106698764A (en) * 2017-03-16 2017-05-24 深圳市世清环保科技有限公司 Method for removing phosphorus and nickel in electroless nickel-plating wastewater and treatment system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵丹: "《钢铁表面化学镀镍技术》", 31 July 2017 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111170527A (en) * 2020-02-11 2020-05-19 中冶一局环境科技有限公司 Treatment method of chemical nickel plating waste liquid

Similar Documents

Publication Publication Date Title
CN104386874B (en) A kind of wiring board industry high-concentration waste liquor treating process
EP2050723A1 (en) Method and integral system for treating water for cooling towers and processess requiring removal of silica from the water
CN106830449A (en) Effectively reduce the method and its processing system of chemical nickle-plating wastewater pollutant
CN111285531A (en) Method and system for concentrating high-salinity mine water
CN108439669A (en) Silica minimizing technology in a kind of water
CN105461139A (en) Zero discharging process for nickeliferous heavy metal wastewater
CN111410345A (en) Method and system for treating comprehensive wastewater generated by anodic oxidation process
CN109019959A (en) A kind of processing unit of strong complex state heavy metal wastewater thereby and its discharge and reuse technology
CN112794500B (en) Coking wastewater strong brine near-zero emission treatment system and treatment method thereof
CN114890633A (en) Treatment system and method for organic wastewater generated in battery assembly in automobile industry
CN110668614B (en) Method for treating etching waste liquid by combining electrocatalytic oxidation with electromagnetic composite material
CN105084631B (en) A kind of handling process of resin regeneration waste water
CN110498542A (en) Standard electroplating waste processing process and device
CN113929242A (en) Aluminum profile anodic oxidation wastewater treatment process
CN109574328A (en) A kind ofization nickel waste water processing system and its processing method
CN112358095A (en) Treatment method of EDTA complex nickel wastewater
CN111302573A (en) Tank-making wastewater treatment method
CN203269712U (en) Zero discharge treatment device for heavy metal wastewater
CN212403790U (en) System for treating comprehensive wastewater generated by anodic oxidation process
CN105621761B (en) A kind of oilfield produced water processing method, processing unit
CN202829734U (en) Reclaimed water reusing and thick water discharging on standard system
CN204058141U (en) A kind of PCB comprehensive wastewater treatment facility
CN112062341A (en) Comprehensive treatment method of heavy metal wastewater
CN106587268B (en) Ceramic membrane and component thereof, contact tank, heavy metal wastewater treatment system and method
CN204281476U (en) A kind of chemical nickel sewage treatment equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190405