CN107151077A - Composition and method for steel wastewater processing - Google Patents
Composition and method for steel wastewater processing Download PDFInfo
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- CN107151077A CN107151077A CN201710400316.3A CN201710400316A CN107151077A CN 107151077 A CN107151077 A CN 107151077A CN 201710400316 A CN201710400316 A CN 201710400316A CN 107151077 A CN107151077 A CN 107151077A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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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
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/08—Nanoparticles or nanotubes
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Abstract
The invention discloses a kind of composition handled for steel wastewater, including：Aluminum sulfate, polyacrylamide, potassium feldspar, zeolite, sepiolite and quick lime.The invention discloses a kind of method handled for steel wastewater, including：Step 1: being passed through 2~3h of oxygen into steel wastewater first, filter afterwards, the steel wastewater after filtering is mixed with the composition handled for steel wastewater, carry out neutralization reaction 3~5 minutes；Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the mass volume ratio of Sodium Metabisulfite and steel wastewater is 5~10:100；Step 3: adding the composition for steel wastewater processing, neutralization reaction 10~15 minutes is carried out；Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite, the mass volume ratio of Sodium Metabisulfite and steel wastewater is 1~3:100；Step 5: at 80~90 DEG C of temperature, heating 30~40min of steel wastewater；Step 6: steel wastewater is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel wastewater after being handled.
Description
Technical field
The present invention relates to a kind of composition handled for steel wastewater and method.
Background technology
The production process of modern steel industry includes the production technologies such as material choosing, iron, steel-making (continuous casting), steel rolling.Steel and iron industry
Waste water is mainly derived from production process water, equipment and product cooling water, flue gas washing and place and rinsed etc., but 70%
Waste water is also derived from cooling water.Indirect cooling water, after cooling can reuse in use only by thermal pollution；It is directly cold
But water with product material etc. because directly contacting, containing polluter, need to after processing can reuse or tandem use.How to steel
Waste water in iron smelting process is handled and reclaimed, in order to recycling, and the reduction energy and resource consumption, are permanent
Since the problem studied always.
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later excellent
Point.
It is of the invention separately to there is a purpose to be to provide a kind of composition handled for steel wastewater.
It is a still further object of the present invention to provide a kind of method handled for steel wastewater.
Therefore, the technical scheme that the present invention is provided is：
A kind of composition handled for steel wastewater, includes the component of following parts by weight：10-20 parts of aluminum sulfate, 10-
20 polyacrylamides, 10-20 part potassium feldspar, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of quick limes.
Preferably, in the described composition handled for steel wastewater, the combination handled for steel wastewater
The preparation method of thing comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime first in 250-350 DEG C of activation process
20-40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, is crushed to nano-scale particle, obtains described for steel wastewater
The composition of processing.
A kind of method handled for steel wastewater, including：
Step 1: being passed through 2~3h of oxygen into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1~2:10,
Filter afterwards, remove precipitation, afterwards mix the steel wastewater after filtering with the composition handled for steel wastewater, in progress
With reaction 3~5 minutes；
Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 5~10:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10~15 minutes is carried out；
Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite gives up with the steel
The mass volume ratio of water is 1~3:100；
Step 5: at 80~90 DEG C of temperature, 30~40min of steel wastewater in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
Preferably, it is described to be used in the method that steel wastewater is handled, in the step one, oxygen and steel wastewater
Volume ratio is 1.5:10.
Preferably, in the described method handled for steel wastewater, in the step 2, the Sodium Metabisulfite
Mass volume ratio with the steel wastewater is 7.5:100.
Preferably, it is described to be used for steel wastewater in the step one in the described method handled for steel wastewater
The mass volume ratio of the composition of processing and the steel wastewater is 3~5:20.
Preferably, it is described to be used for steel wastewater in the step 3 in the described method handled for steel wastewater
The mass volume ratio of the composition of processing and the steel wastewater is 3~5:30.
The present invention at least includes following beneficial effect：
The composition for being used for steel wastewater processing of the present invention is good to the impurity treatment effect in steel wastewater.The present invention is logical
Co-oxidation reduction reaction, composition and vacuum distillation processing method for steel wastewater processing are crossed, in a short time
The processing of steel wastewater is completed, can again recycle, provide a kind of new approach for the processing of steel wastewater, together
When also save the energy, improve steel smelting procedure in efficiency of energy utilization.The treatment effeciency of the present invention improves 5~15%,
Efficiency of energy utilization improves 10~20%.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
The present invention provides a kind of composition handled for steel wastewater, includes the component of following parts by weight：10-20 parts
Aluminum sulfate, 10-20 polyacrylamides, 10-20 parts of potassium feldspars, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of raw stones
Ash.
In such scheme, preferably, the preparation method of the composition handled for steel wastewater is including as follows
Step：By potassium feldspar, zeolite, sepiolite and quick lime first in 250-350 DEG C of activation process 20-40min, afterwards and aluminum sulfate
After polyacrylamide mixing, nano-scale particle is crushed to, the composition handled for steel wastewater is obtained.
The present invention provides a kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through 2~3h of oxygen into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1~2:10,
Filter afterwards, remove precipitation, afterwards mix the steel wastewater after filtering with the composition handled for steel wastewater, in progress
With reaction 3~5 minutes；
Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 5~10:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10~15 minutes is carried out；
Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite gives up with the steel
The mass volume ratio of water is 1~3:100；
Step 5: at 80~90 DEG C of temperature, 30~40min of steel wastewater in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
In one of embodiment of the present invention, preferably, in the step one, the volume of oxygen and steel wastewater
Than for 1.5:10.
In one of embodiment of the present invention, preferably, in the step 2, the Sodium Metabisulfite and institute
The mass volume ratio for stating steel wastewater is 7.5:100.
In one of embodiment of the present invention, preferably, in the step one, it is described to be used for steel wastewater processing
The mass volume ratio of composition and the steel wastewater be 3~5:20.
In one of embodiment of the present invention, preferably, in the step 3, it is described to be used for steel wastewater processing
The mass volume ratio of composition and the steel wastewater be 3~5:30.
Embodiment 1
A kind of composition handled for steel wastewater, includes the component of following parts by weight：10 parts of aluminum sulfate, 10 poly- third
Acrylamide, 10 parts of potassium feldspars, 35 parts of zeolites, 10 parts of sepiolites and 30 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 250 DEG C of activation process 20min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
3 minutes；
Reacted 10 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5100 to measure volume ratio；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10 minutes is carried out；
Reacted 5 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1:100；
Step 5: at 80 DEG C of temperature, the steel wastewater 30min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 12%, and efficiency of energy utilization improves 18%.
Embodiment 2
A kind of composition handled for steel wastewater, includes the component of following parts by weight：20 parts of aluminum sulfate, 20 poly- third
Acrylamide, 20 parts of potassium feldspars, 45 parts of zeolites, 20 parts of sepiolites and 40 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 350 DEG C of activation process 40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
5 minutes；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 10 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 15 minutes is carried out；
Reacted 15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 3:100；
Step 5: at 90 DEG C of temperature, the steel wastewater 40min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 13%, and efficiency of energy utilization improves 17%.
Embodiment 3
A kind of composition handled for steel wastewater, includes the component of following parts by weight：15 parts of aluminum sulfate, 15 poly- third
Acrylamide, 15 parts of potassium feldspars, 40 parts of zeolites, 15 parts of sepiolites and 35 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 300 DEG C of activation process 30min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
5 minutes；
Reacted 17 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 8 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 13 minutes is carried out；
Reacted 13 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 2:100；
Step 5: at 85 DEG C of temperature, the steel wastewater 350min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 14%, and efficiency of energy utilization improves 18%.
Embodiment 4
A kind of composition handled for steel wastewater, includes the component of following parts by weight：10 parts of aluminum sulfate, 10 poly- third
Acrylamide, 10 parts of potassium feldspars, 35 parts of zeolites, 10 parts of sepiolites and 30 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 250 DEG C of activation process 20min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
3 minutes, described was 3 for the composition of steel wastewater processing and the mass volume ratio of the steel wastewater:20；
Reacted 10 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 3 with the mass volume ratio of the steel wastewater:30；
Reacted 5 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1:100；
Step 5: at 80 DEG C of temperature, the steel wastewater 30min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 9%, and efficiency of energy utilization improves 19%.
Embodiment 5
A kind of composition handled for steel wastewater, includes the component of following parts by weight：12 parts of aluminum sulfate, 12 poly- third
Acrylamide, 12 parts of potassium feldspars, 37 parts of zeolites, 12 parts of sepiolites and 32 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 310 DEG C of activation process 30min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 2.6h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1.5:10, it
After filter, remove precipitation, afterwards by the steel wastewater after filtering with for steel wastewater processing composition mix, neutralized
The mass volume ratio of reaction 4 minutes, the composition handled for steel wastewater and the steel wastewater is 4:20；
Reacted 17 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 7.5 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 13 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 4 with the mass volume ratio of the steel wastewater:30；
Reacted 13 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 2:100；
Step 5: at 88 DEG C of temperature, the steel wastewater 35min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 9%, and efficiency of energy utilization improves 13%.
Embodiment 6
A kind of composition handled for steel wastewater, includes the component of following parts by weight：13 parts of aluminum sulfate, 13 poly- third
Acrylamide, 13 parts of potassium feldspars, 38 parts of zeolites, 13 parts of sepiolites and 33 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 310 DEG C of activation process 23min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
5 minutes, described was 5 for the composition of steel wastewater processing and the mass volume ratio of the steel wastewater:20；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 10 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 15 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 5 with the mass volume ratio of the steel wastewater:30；
Reacted 15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 3:100；
Step 5: at 90 DEG C of temperature, the steel wastewater 40min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 8%, and efficiency of energy utilization improves 12%.
Embodiment 7
A kind of composition handled for steel wastewater, includes the component of following parts by weight：14 parts of aluminum sulfate, 14 poly- third
Acrylamide, 14 parts of potassium feldspars, 38 parts of zeolites, 14 parts of sepiolites and 34 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 280 DEG C of activation process 28min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
3~5 minutes, described was 3~5 for the composition of steel wastewater processing and the mass volume ratio of the steel wastewater:20；
Reacted 10 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 3 with the mass volume ratio of the steel wastewater:30；
Reacted 5 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1:100；
Step 5: at 80 DEG C of temperature, the steel wastewater 30min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water
The treatment effeciency of the present invention improves 7%, and efficiency of energy utilization improves 12%.
Embodiment 8
A kind of composition handled for steel wastewater, includes the component of following parts by weight：18 parts of aluminum sulfate, 18 poly- third
Acrylamide, 18 parts of potassium feldspars, 43 parts of zeolites, 18 parts of sepiolites and 38 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 330 DEG C of activation process 36min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
5 minutes, described was 5 for the composition of steel wastewater processing and the mass volume ratio of the steel wastewater:20；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 10 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 15 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 5 with the mass volume ratio of the steel wastewater:30；
Reacted 15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 3:100；
Step 5: at 90 DEG C of temperature, the steel wastewater 40min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 6%, and efficiency of energy utilization improves 11%.
Embodiment 9
A kind of composition handled for steel wastewater, includes the component of following parts by weight：17 parts of aluminum sulfate, 17 parts gather
Acrylamide, 17 parts of potassium feldspars, 38 parts of zeolites, 17 parts of sepiolites and 37 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime are first in 250-350 DEG C of activation process 20-40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, crush
To nano-scale particle, the composition handled for steel wastewater is obtained.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
3 minutes, described was 3 for the composition of steel wastewater processing and the mass volume ratio of the steel wastewater:20；
Reacted 10 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 3 with the mass volume ratio of the steel wastewater:30；
Reacted 5 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1:100；
Step 5: at 80 DEG C of temperature, the steel wastewater 30min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 15%, and efficiency of energy utilization improves 20%.
Embodiment 10
A kind of composition handled for steel wastewater, includes the component of following parts by weight：20 parts of aluminum sulfate, 20 poly- third
Acrylamide, 20 parts of potassium feldspars, 45 parts of zeolites, 20 parts of sepiolites and 40 parts of quick limes.
The preparation method of the composition handled for steel wastewater comprises the following steps：By potassium feldspar, zeolite, Hai Pao
Stone and quick lime in 340 DEG C of activation process 36min, after being mixed afterwards with aluminum sulfate and polyacrylamide, are crushed to nanometer first
Grade particles, obtain the composition handled for steel wastewater.
A kind of method handled for steel wastewater, comprises the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, carries out neutralization reaction
5 minutes, described was 5 for the composition of steel wastewater processing and the mass volume ratio of the steel wastewater:20；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 10 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 15 minutes is carried out, it is described to be used for steel
The composition of iron waste water processing is 5 with the mass volume ratio of the steel wastewater:30；
Reacted 15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 1~3:100；
Step 5: at 90 DEG C of temperature, the steel wastewater 40min in heating stepses four；
Step 6: the steel wastewater in step 5 is sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled
Waste water.
The treatment effeciency of the present invention improves 5%, and efficiency of energy utilization improves 10%.
Module number and treatment scale described herein are the explanations for simplifying the present invention.Steel is used for the present invention
The application of the method for iron waste water processing, modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the embodiment with description.
Claims (7)
1. a kind of composition handled for steel wastewater, it is characterised in that include the component of following parts by weight：10-20 parts
Aluminum sulfate, 10-20 polyacrylamides, 10-20 parts of potassium feldspars, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of raw stones
Ash.
2. the composition handled as claimed in claim 1 for steel wastewater, it is characterised in that described to be used at steel wastewater
The preparation method of the composition of reason comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime first in 250-350 DEG C
Activation process 20-40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, is crushed to nano-scale particle, obtains described be used for
The composition of steel wastewater processing.
3. a kind of method handled for steel wastewater, it is characterised in that comprise the following steps：
Step 1: being passed through 2~3h of oxygen into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1~2:10, afterwards
Filtering, removes precipitation, afterwards mixes the steel wastewater after filtering with the composition handled for steel wastewater, and progress neutralizes anti-
Answer 3~5 minutes；
Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5~10 to measure volume ratio:100；
Step 3: adding the composition for steel wastewater processing again, neutralization reaction 10~15 minutes is carried out；
Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1~3:100；
Step 5: at 80~90 DEG C of temperature, 30~40min of steel wastewater in heating stepses four；
Step 6: the steel wastewater in step 5 to be sequentially passed through to the filter membrane of 10 μm and 5 μm, the steel after being handled gives up
Water.
4. as claimed in claim 3 for steel wastewater handle method, it is characterised in that in the step one, oxygen with
The volume ratio of steel wastewater is 1.5:10.
5. the method handled as claimed in claim 3 for steel wastewater, it is characterised in that in the step 2, described inclined
The mass volume ratio of sodium bisulfite and the steel wastewater is 7.5:100.
6. the method handled as claimed in claim 3 for steel wastewater, it is characterised in that in the step one, described to use
The composition and the mass volume ratio of the steel wastewater handled in steel wastewater is 3~5:20.
7. the method handled as claimed in claim 3 for steel wastewater, it is characterised in that in the step 3, described to use
The composition and the mass volume ratio of the steel wastewater handled in steel wastewater is 3~5:30.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032545A (en) * | 2017-05-31 | 2017-08-11 | 覃祖勇 | Steel waste water treating agent and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398970A (en) * | 2010-09-13 | 2012-04-04 | 陈亚芬 | Steel waste water treating agent |
| CN102583860A (en) * | 2012-02-17 | 2012-07-18 | 江苏加德绿色能源有限公司 | Novel steel quality inspection wastewater treatment method |
| CN105084493A (en) * | 2015-09-28 | 2015-11-25 | 宁波高新区巴艺新材料科技有限公司 | Steel wastewater treatment method |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398970A (en) * | 2010-09-13 | 2012-04-04 | 陈亚芬 | Steel waste water treating agent |
| CN102583860A (en) * | 2012-02-17 | 2012-07-18 | 江苏加德绿色能源有限公司 | Novel steel quality inspection wastewater treatment method |
| CN105084493A (en) * | 2015-09-28 | 2015-11-25 | 宁波高新区巴艺新材料科技有限公司 | Steel wastewater treatment method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107032545A (en) * | 2017-05-31 | 2017-08-11 | 覃祖勇 | Steel waste water treating agent and processing method |
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