CN110330135A - A kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process - Google Patents
A kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process Download PDFInfo
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
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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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2001/007—Processes including a sedimentation step
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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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Abstract
The invention discloses a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process, the waste water treatment system is made of wastewater equalization pond, the first PH conditioning tank, the first coagulating basin, the first flocculation basin, the first sedimentation basin, the 2nd PH conditioning tank, the second coagulating basin, the second flocculation basin, the second sedimentation basin, DF film device, cleaning case, neutralization pond, pumping pulp pump, filter press, circulating pump, cleaning pump, pipeline and valve.Compared with other treatment process, invention, by precipitating slagging-off and to the processing of the secondary waste water of precipitation, wastewater pH is adjusted to 10, it is added directly and recaptures agent and handled, carry out secondary precipitation processing, cost can be saved, DF film device is tubular type crossing current, interior press operation, high-speed cruising while, constantly drive away pollutant, make water and separated from contaminants by pressure, water output from inside to outside is produced, sewage stably reaching standard is made.
Description
Technical field
The invention belongs to field of waste water treatment, and in particular to a kind of alumilite process sealing of hole nickel-containing waste water (DF film) processing
Technique.
Background technique
Sealing of hole is carried out after aluminum component anodic oxidation or oxidising dyeing, to improve the quality of anode film layer.Hole sealing agent mainly at
Divide containing nickel acetate and macromolecule dispersing agent etc., required according to environmental regulation, nickel-containing waste water must be treated as a huge sum of money after anode sealing of hole
Belong to waste water individually to discharge and its outer draining is monitored online, outlet water quality has to comply with content≤0.5mg/L of Ni2+ ion, too
The content of lake basin Ni2+ ion is necessary≤0.1mg/L.
Existing alumilite process sealing of hole nickel-containing waste water (DF film) treatment process, it is not only at high cost, but also to nickel ion
Processing is not thorough, and causes to discharge not up to standard, pollution ecology, for this purpose, it is proposed that a kind of alumilite process sealing of hole nickel-containing waste water (DF
Film) treatment process.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of alumilite process sealing of hole nickel-containing waste water of proposition
(DF film) treatment process adjusts wastewater pH to 10, is added directly weight by precipitating slagging-off and to the processing of the secondary waste water of precipitation
It catches agent to be handled, carries out secondary precipitation processing, cost can be saved, DF film device is tubular type crossing current, interior press operation, high-speed cruising
While constantly drive away pollutant, water and separated from contaminants are made by pressure, produce water output from inside to outside, reaches sewage stabilization
Mark.
To achieve the goals above, technical scheme is as follows:
1, a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process: the waste water treatment system is adjusted by waste water
Pond, the first PH conditioning tank, the first coagulating basin, the first flocculation basin, the first sedimentation basin, the 2nd PH conditioning tank, the second coagulating basin, second
Flocculation basin, DF film device, cleaning case, neutralization pond, takes out pulp pump, filter press, circulating pump, cleaning pump, pipeline and valve at the second sedimentation basin
Door composition.
2, a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process as described in claim 1, feature exist
In: its processing technological flow is specific as follows:
S1, wastewater collection: check whether the state of valve everywhere is correct, by nickel-containing waste water clearance Pipeline transport to waste water tune
It saves in pond；
S2, waste water preliminary treatment: it by the waste water extraction in wastewater equalization pond into the first PH conditioning tank, is adjusted toward the first PH
Sodium hydroxide is added in pond, so that the pH value of the waste water in the first PH conditioning tank is reached strong basicity, obtains waste water I, then waste water I is taken out
It is put into the first coagulating basin, polymeric aluminium hydroxide is added into the first coagulating basin, obtain waste water II, then arrive II extraction of waste water
In first flocculation basin, high polymer coagulant is added in the first flocculation basin, waste water III is obtained, then by III extraction of waste water to first
In sedimentation basin, the waste water III flowed into the first settling tank carries out the settlement treatment of 1.5-2h, obtains supernatant and sediment, clear water
The 2nd PH conditioning tank is then entered by the overflow port on the first settling tank top, sediment then stays in the first sedimentation bottom of pond portion；
S3, sediment preliminary treatment: the sludge in the first settling tank is pumped into filter press by taking out pulp pump, obtains cake
Shape sludge after drying and is transported outward；
S4, secondary waste water processing: sodium hydroxide is continuously added into the sewage in the 2nd PH conditioning tank, while being added and recapturing
Agent obtains waste water I, then I extraction of waste water is added polymeric aluminium hydroxide into the second coagulating basin, is obtained into the second coagulating basin
High polymer coagulant is added in the second flocculation basin, obtains waste water then by waste water II extraction to the second flocculation basin for waste water II
III, then the waste water III in the second settling tank in waste water III extraction to the second sedimentation basin, will be flowed into and carried out at the sedimentation of 1.5-2h
Reason, obtains supernatant and sediment, supernatant is pumped into DF film device by circulating pump, and sediment then stays in the second settling tank bottom
Portion；
S5, sediment secondary treatment: the sludge in the second settling tank is pumped into filter press by taking out pulp pump, obtains cake
Shape sludge after drying and is transported outward；
S6, Sewage advanced treatment: the supernatant in S4 enters in DF film device, and DF film device is tubular type crossing current, internal pressure
Operation, high-speed cruising while, constantly drive away pollutant, make water and separated from contaminants by pressure, produce water output from inside to outside,
In the concentrate recirculation of generation to the second settling tank, then the water in cleaning case is pumped to DF film device by circular treatment, cleaning pump
Inside it is rinsed cleaning；
S7, waste water neutralize: by DF film device, treated that waste water is flowed into neutralization pond, and ferrous sulfate is added, and neutralizes
The neutral and alkali substance of waste water, reaches discharge standard.
Preferred: in the S2 step, the mass ratio of sodium hydroxide and waste water is 10-12:95-100, polymeric aluminium hydroxide
Mass ratio with waste water II is 0.003-0.005:98-100, and the mass ratio of high polymer coagulant and waste water III is 0.2-0.4:
97-100。
Preferred: in the S4 step, the mass ratio of sodium hydroxide and waste water is 6-8:95-100, recaptures agent and waste water
Mass ratio is 0.004-0.006:95-100, and the mass ratio of polymeric aluminium hydroxide and waste water II is 0.001-0.003:98-100,
The mass ratio of high polymer coagulant and waste water III is 0.1-0.3:97-100.
It is preferred: with the pH value in pH test paper measurement neutralization pond in the S7 step, to be adjusted to discharge mark with ferrous sulfate
It is discharged after standard.
Preferred: the wastewater equalization pond is connected with the first PH conditioning tank to be connected, and the first PH conditioning tank and first mixes
Solidifying pond conducting is connected, and first coagulating basin is connected with the first flocculation basin to be connected, and first flocculation basin is led with the first sedimentation basin
Logical to be connected, first sedimentation basin is connected with the 2nd PH conditioning tank to be connected, and the 2nd PH conditioning tank is connected with the second coagulating basin
It is connected, second coagulating basin is connected with the second flocculation basin to be connected, and second flocculation basin is connected with the second sedimentation basin to be connected, institute
It states the second sedimentation basin and is connected with DF film device and is connected, the cleaning case and neutralization pond are connected with DF film device and are connected.
Technical effect and advantage of the invention:
1, pH is adjusted to alkaline condition 11 or so, hydrogen by tentatively handling the nickel ion in waste water by the present invention
Oxygen root can generate nickel hydroxide precipitate in conjunction with nickel ion, can effectively remove most nickel in waste water.
2, the present invention adjusts wastewater pH to 10, is added directly weight by precipitating slagging-off and to the processing of the secondary waste water of precipitation
It catches agent to be handled, carries out secondary precipitation processing, cost can be saved.
3, DF film device of the present invention is tubular type crossing current, interior press operation, and high-speed cruising while constantly drives away pollutant, passes through
Pressure makes water and separated from contaminants, produces water output from inside to outside, makes sewage stably reaching standard.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that a kind of alumilite process sealing of hole nickel-containing waste water (DF film) processing technological flow of the embodiment of the present invention is illustrated
Figure.
Specific embodiment
The present invention is described in further details below with reference to embodiment.
Embodiment 1:
Embodiment 1 proposes a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process, includes the following steps:
1, nickel-containing waste water, waste water preliminary treatment: by the waste water extraction in wastewater equalization pond are collected with wastewater equalization pond first
Into the first PH conditioning tank, toward the interior addition sodium hydroxide of the first PH conditioning tank, the mass ratio of sodium hydroxide and waste water is 10:95,
The pH value of the waste water in the first PH conditioning tank is set to reach strong basicity, pH value is adjusted to 10.5, obtains waste water I, then by I extraction of waste water
Into the first coagulating basin, polymeric aluminium hydroxide is added into the first coagulating basin, the mass ratio of polymeric aluminium hydroxide and waste water II is
0.003:98 obtains waste water II, and then by waste water II extraction to the first flocculation basin, macromolecule wadding is added in the first flocculation basin
The mass ratio of solidifying agent, high polymer coagulant and waste water III is 0.2:97, obtains waste water III, then III extraction of waste water is sunk to first
In the pond of shallow lake, the waste water III flowed into the first settling tank carries out the settlement treatment of 1.5-2h, obtains supernatant and sediment, clear water is then
Enter the 2nd PH conditioning tank by the overflow port on the first settling tank top, sediment then stays in the first sedimentation bottom of pond portion, and waste residue is preliminary
Sludge in first settling tank: being pumped into filter press by taking out pulp pump, obtain pie sludge by processing, after drying and outer
Fortune.
2, secondary waste water is handled: continuously adding sodium hydroxide into the sewage in the 2nd PH conditioning tank, sodium hydroxide and useless
The mass ratio of water is 6:95, and pH value is adjusted to 9.5, while being added and recapturing agent, and the mass ratio for recapturing agent and waste water is 0.004:95,
Waste water I is obtained, then by I extraction of waste water into the second coagulating basin, polymeric aluminium hydroxide is added into the second coagulating basin, polymerize hydrogen-oxygen
The mass ratio for changing aluminium and waste water II is 0.001:98, obtains waste water II, past then by waste water II extraction to the second flocculation basin
High polymer coagulant is added in second flocculation basin, the mass ratio of high polymer coagulant and waste water III is 0.1:97, waste water III is obtained,
Then the waste water III in waste water III extraction to the second sedimentation basin, flowed into the second settling tank is carried out to the settlement treatment of 1.5-2h,
Supernatant and sediment are obtained, supernatant is pumped into DF film device by circulating pump, and sediment then stays in the second sedimentation bottom of pond portion, sinks
Slag secondary treatment: the sludge in the second settling tank is pumped into filter press by taking out pulp pump, pie sludge is obtained, after drying
And it transports outward.
3, Sewage advanced treatment, the supernatant in S4 enter in DF film device, and DF film device is tubular type crossing current, internal pressure behaviour
Make, high-speed cruising while constantly drives away pollutant, makes water and separated from contaminants by pressure, produces water output from inside to outside, produces
In raw concentrate recirculation to the second settling tank, then circular treatment, cleaning pump pump to the water in cleaning case in DF film device
Be rinsed cleaning, waste water neutralizes: by DF film device, treated that waste water is flowed into neutralization pond, and ferrous sulfate is added, in
With the neutral and alkali substance of waste water, pH value is adjusted to 7, discharge standard is reached.
Embodiment 2:
Embodiment 2 proposes a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process, includes the following steps:
1, nickel-containing waste water, waste water preliminary treatment: by the waste water extraction in wastewater equalization pond are collected with wastewater equalization pond first
Into the first PH conditioning tank, toward the interior addition sodium hydroxide of the first PH conditioning tank, the mass ratio of sodium hydroxide and waste water is 11:98,
The pH value of the waste water in the first PH conditioning tank is set to reach strong basicity, PH value is adjusted to 11, obtains waste water I, then by I extraction of waste water
Into the first coagulating basin, polymeric aluminium hydroxide is added into the first coagulating basin, the mass ratio of polymeric aluminium hydroxide and waste water II is
0.004:99 obtains waste water II, and then by waste water II extraction to the first flocculation basin, macromolecule wadding is added in the first flocculation basin
The mass ratio of solidifying agent, high polymer coagulant and waste water III is 0.3:99, obtains waste water III, then III extraction of waste water is sunk to first
In the pond of shallow lake, the waste water III flowed into the first settling tank carries out the settlement treatment of 1.5-2h, obtains supernatant and sediment, clear water is then
Enter the 2nd PH conditioning tank by the overflow port on the first settling tank top, sediment then stays in the first sedimentation bottom of pond portion, and waste residue is preliminary
Sludge in first settling tank: being pumped into filter press by taking out pulp pump, obtain pie sludge by processing, after drying and outer
Fortune.
2, secondary waste water is handled: continuously adding sodium hydroxide into the sewage in the 2nd PH conditioning tank, sodium hydroxide and useless
The mass ratio of water is 7:98, and pH value is adjusted to 10, while being added and recapturing agent, and the mass ratio for recapturing agent and waste water is 0.005:98,
Waste water I is obtained, then by I extraction of waste water into the second coagulating basin, polymeric aluminium hydroxide is added into the second coagulating basin, polymerize hydrogen-oxygen
The mass ratio for changing aluminium and waste water II is 0.002:99, obtains waste water II, past then by waste water II extraction to the second flocculation basin
High polymer coagulant is added in second flocculation basin, the mass ratio of high polymer coagulant and waste water III is 0.2:98, waste water III is obtained,
Then the waste water III in waste water III extraction to the second sedimentation basin, flowed into the second settling tank is carried out to the settlement treatment of 1.5-2h,
Supernatant and sediment are obtained, supernatant is pumped into DF film device by circulating pump, and sediment then stays in the second sedimentation bottom of pond portion, sinks
Slag secondary treatment: the sludge in the second settling tank is pumped into filter press by taking out pulp pump, pie sludge is obtained, after drying
And it transports outward.
3, Sewage advanced treatment, the supernatant in S4 enter in DF film device, and DF film device is tubular type crossing current, internal pressure behaviour
Make, high-speed cruising while constantly drives away pollutant, makes water and separated from contaminants by pressure, produces water output from inside to outside, produces
In raw concentrate recirculation to the second settling tank, then circular treatment, cleaning pump pump to the water in cleaning case in DF film device
Be rinsed cleaning, waste water neutralizes: by DF film device, treated that waste water is flowed into neutralization pond, and ferrous sulfate is added, in
With the neutral and alkali substance of waste water, PH value is adjusted to 7.2, discharge standard is reached.
Embodiment 3:
Embodiment 3 proposes a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process, includes the following steps:
1, nickel-containing waste water, waste water preliminary treatment: by the waste water extraction in wastewater equalization pond are collected with wastewater equalization pond first
Into the first PH conditioning tank, toward the interior addition sodium hydroxide of the first PH conditioning tank, the mass ratio of sodium hydroxide and waste water is 12:100,
The pH value of the waste water in the first PH conditioning tank is set to reach strong basicity, PH value is adjusted to 11.5, obtains waste water I, then waste water I is taken out
It is put into the first coagulating basin, polymeric aluminium hydroxide, the mass ratio of polymeric aluminium hydroxide and waste water II is added into the first coagulating basin
For 0.005:100, waste water II is obtained, then by waste water II extraction to the first flocculation basin, high score is added in the first flocculation basin
The mass ratio of sub- flocculant, high polymer coagulant and waste water III is 0.4:100, obtains waste water III, then arrives III extraction of waste water
In first sedimentation basin, the waste water III flowed into the first settling tank carries out the settlement treatment of 1.5-2h, obtains supernatant and sediment,
The overflow port that clear water then passes through the first settling tank top enters the 2nd PH conditioning tank, and sediment then stays in the first sedimentation bottom of pond portion, gives up
Slag preliminary treatment: the sludge in the first settling tank is pumped into filter press by taking out pulp pump, pie sludge is obtained, after drying
And it transports outward.
2, secondary waste water is handled: continuously adding sodium hydroxide into the sewage in the 2nd PH conditioning tank, sodium hydroxide and useless
The mass ratio of water is 8:100, and pH value is adjusted to 10.5, while being added and recapturing agent, and the mass ratio for recapturing agent and waste water is 0.006:
100, waste water I is obtained, then by I extraction of waste water into the second coagulating basin, polymeric aluminium hydroxide is added into the second coagulating basin, polymerize
The mass ratio of aluminium hydroxide and waste water II is 0.003:100, waste water II is obtained, then by II extraction of waste water to the second flocculation basin
It is interior, high polymer coagulant is added in the second flocculation basin, the mass ratio of high polymer coagulant and waste water III is 0.3:100, is obtained
Then the waste water III in waste water III extraction to the second sedimentation basin, flowed into the second settling tank is carried out the heavy of 1.5-2h by waste water III
Drop processing, obtains supernatant and sediment, supernatant is pumped into DF film device by circulating pump, and sediment then stays in the second settling tank
Bottom, the sludge in the second settling tank: being pumped into filter press by sediment secondary treatment by taking out pulp pump, obtains pie dirt
Mud after drying and is transported outward.
3, Sewage advanced treatment, the supernatant in S4 enter in DF film device, and DF film device is tubular type crossing current, internal pressure behaviour
Make, high-speed cruising while constantly drives away pollutant, makes water and separated from contaminants by pressure, produces water output from inside to outside, produces
In raw concentrate recirculation to the second settling tank, then circular treatment, cleaning pump pump to the water in cleaning case in DF film device
Be rinsed cleaning, waste water neutralizes: by DF film device, treated that waste water is flowed into neutralization pond, and ferrous sulfate is added, in
With the neutral and alkali substance of waste water, pH value is adjusted to 7.5, discharge standard is reached.
Claims (6)
1. a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process, it is characterised in that: the waste water treatment system by
Wastewater equalization pond, the first PH conditioning tank, the first coagulating basin, the first flocculation basin, the first sedimentation basin, the 2nd PH conditioning tank, second mix
Pulp pump, filter press, circulating pump, cleaning, the second sedimentation basin, DF film device, cleaning case, neutralization pond, are taken out at the second flocculation basin in solidifying pond
Pump, pipeline and valve composition.
2. a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process as described in claim 1, it is characterised in that: its
Processing technological flow is specific as follows:
S1, wastewater collection: check whether the state of valve everywhere is correct, by nickel-containing waste water clearance Pipeline transport to wastewater equalization pond
It is interior；
S2, waste water preliminary treatment: by the waste water extraction in wastewater equalization pond into the first PH conditioning tank, in the first PH conditioning tank
Sodium hydroxide is added, so that the pH value of the waste water in the first PH conditioning tank is reached strong basicity, obtains waste water I, then I extraction of waste water is arrived
In first coagulating basin, polymeric aluminium hydroxide is added into the first coagulating basin, obtains waste water II, then by II extraction of waste water to first
In flocculation basin, high polymer coagulant is added in the first flocculation basin, obtains waste water III, then by III extraction of waste water to the first precipitating
In pond, the waste water III flowed into the first settling tank carries out the settlement treatment of 1.5-2h, obtains supernatant and sediment, clear water then leads to
The overflow port for crossing the first settling tank top enters the 2nd PH conditioning tank, and sediment then stays in the first sedimentation bottom of pond portion；
Sludge in first settling tank: being pumped into filter press by S3, sediment preliminary treatment by taking out pulp pump, obtains pie dirt
Mud after drying and is transported outward；
S4, secondary waste water processing: continuously adding sodium hydroxide into the sewage in the 2nd PH conditioning tank, while being added and recapturing agent,
Waste water I is obtained, then I extraction of waste water is added polymeric aluminium hydroxide into the second coagulating basin, obtains waste water into the second coagulating basin
II, then by waste water II extraction to the second flocculation basin, high polymer coagulant is added in the second flocculation basin, obtains waste water III,
Then the waste water III in waste water III extraction to the second sedimentation basin, flowed into the second settling tank is carried out to the settlement treatment of 1.5-2h,
Supernatant and sediment are obtained, supernatant is pumped into DF film device by circulating pump, and sediment then stays in the second sedimentation bottom of pond portion,；
Sludge in second settling tank: being pumped into filter press by S5, sediment secondary treatment by taking out pulp pump, obtains pie dirt
Mud after drying and is transported outward；
S6, Sewage advanced treatment: the supernatant in S4 enters in DF film device, and DF film device is that tubular type is flow over, interior press operation,
Constantly drive away pollutant while high-speed cruising, water and separated from contaminants are made by pressure, produces water output from inside to outside, generation
In concentrate recirculation to the second settling tank, then the water in cleaning case is pumped in DF film device and is carried out by circular treatment, cleaning pump
Rinse cleaning；
S7, waste water neutralize: by DF film device, treated that waste water is flowed into neutralization pond, and ferrous sulfate is added, and neutralizes waste water
Neutral and alkali substance, reach discharge standard.
3. a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process as claimed in claim 2, it is characterised in that: institute
It states in S2 step, the mass ratio of sodium hydroxide and waste water is 10-12:95-100, the mass ratio of polymeric aluminium hydroxide and waste water II
For 0.003-0.005:98-100, the mass ratio of high polymer coagulant and waste water III is 0.2-0.4:97-100.
4. a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process as claimed in claim 2, it is characterised in that: institute
It states in S4 step, the mass ratio of sodium hydroxide and waste water is 6-8:95-100, and the mass ratio for recapturing agent and waste water is 0.004-
0.006:95-100, the mass ratio of polymeric aluminium hydroxide and waste water II are 0.001-0.003:98-100, high polymer coagulant with
The mass ratio of waste water III is 0.1-0.3:97-100.
5. a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process as claimed in claim 2, it is characterised in that: institute
It states in S7 step with the pH value in pH test paper measurement neutralization pond, is discharged after being adjusted to discharge standard with ferrous sulfate.
6. a kind of alumilite process sealing of hole nickel-containing waste water (DF film) treatment process as described in claim 1, it is characterised in that: institute
It states wastewater equalization pond and is connected with the first PH conditioning tank and is connected, the first PH conditioning tank is connected with the first coagulating basin to be connected, described
First coagulating basin is connected with the first flocculation basin to be connected, and first flocculation basin is connected with the first sedimentation basin to be connected, and described first is heavy
Shallow lake pond is connected with the 2nd PH conditioning tank to be connected, and the 2nd PH conditioning tank is connected with the second coagulating basin to be connected, second coagulation
Pond is connected with the second flocculation basin to be connected, and second flocculation basin is connected with the second sedimentation basin to be connected, second sedimentation basin and DF
Film device conducting is connected, and the cleaning case and neutralization pond are connected with DF film device and are connected.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697990A (en) * | 2021-08-24 | 2021-11-26 | 厦门科霖达环保科技有限公司 | Quality-divided flow treatment process for aluminum anodic oxidation wastewater |
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