CN109231580A - A kind of environment-friendly treatment method of Cutting Liquid Wastewater - Google Patents
A kind of environment-friendly treatment method of Cutting Liquid Wastewater Download PDFInfo
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- CN109231580A CN109231580A CN201811327137.2A CN201811327137A CN109231580A CN 109231580 A CN109231580 A CN 109231580A CN 201811327137 A CN201811327137 A CN 201811327137A CN 109231580 A CN109231580 A CN 109231580A
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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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
- 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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- 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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- Engineering & Computer Science (AREA)
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- Water Treatment By Sorption (AREA)
Abstract
The present invention relates to a kind of environment-friendly treatment methods of Cutting Liquid Wastewater, it can not only be suitble to carry out demulsification processing to the Cutting Liquid Wastewater of various various concentrations, it is also suitable for emulsification oils waste water, semi-synthetic Cutting Liquid Wastewater, fully synthetic cutting fluid waste water, aqueous cleaning agent waste water and the waste water containing activating agent or oil etc. carry out demulsification processing, it is versatile, it eliminates the trouble that tradition adjusts demulsifier repeatedly, its ability for removing useless impurities in water is strong, using the standard of its treated waste water can reach town sewage discharge, and pass through its treated waste residue or filter residue can the amount of absorbing solar energy, it can quickly be dried to realize, again due to the mixture of waste residue or filter residue itself containing base oil and organic additive in cutting fluid being obtained by filtration using processing method of the invention and carbon etc., its fuel value is high, when being added to coal dust When in the middle, it can generate electricity after being mixed with coal dust for power plant, realize the purpose that can turn waste into wealth.
Description
Technical field
The present invention relates to a kind of environment-friendly treatment methods of Cutting Liquid Wastewater.
Background technique
Tradition, which handles generally Cutting Liquid Wastewater, following several method: first is that by being added into Cutting Liquid Wastewater
Demulsifier is demulsified, and then refilters, since the Cutting Liquid Wastewater of various concentration needs different demulsifiers, when same broken
When emulsion has the function of demulsification to the Cutting Liquid Wastewater of one of concentration, but it can to the Cutting Liquid Wastewater of another concentration
Can be without the function of demulsification, therefore, traditional demulsifier needs the Cutting Liquid Wastewater according to various concentration to adjust demulsifier repeatedly
Type and various raw materials adding proportion, this treatment process need time be 1-48 hour, and debug out demulsification
Agent is not appropriate for using the Cutting Liquid Wastewater of various various concentrations, and with poor universality, debug time is long and needs repeatedly
The trouble of adjustment.In addition, using traditional demulsifier to Cutting Liquid Wastewater carry out after demulsification processing will also successively by precipitating and
Filtering etc. processes, the filter residue that can finally obtain contain the harmful substances such as oil slick, ferric trichloride and cationic active agent, discharge pair
Environment will cause pollution.
Second is that using distillation method come processing cutting liquid waste water, such processing method be it is with electric energy that water is boiled, to water
After part evaporation, it is left waste oil waste residue；The distillation equipment that such processing method uses has the deficiency that infusion of financial resources is big, power consumption is big
The deficiencies of cumbersome is operated with the waste oil Solid state fermentation generated after distilling.
Third is that filtered using ceramic membrane, but such method can only filter the waste water use of 10um or more bulky grain,
Milky waste water and the waste water containing activating agent are not filtered, causes its use that there is significant limitation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of environment-friendly treatment methods of Cutting Liquid Wastewater, pass through past cutting
Liquid waste water adds based on cheap and nonhazardous activated carbon, and is added into the cation polypropylene acyl that ion degree is 50%
Amine and aluminum aluminum sulfate keep it fast to the de-emulsification speed of Cutting Liquid Wastewater, and the impurity ability removed in waste water is strong, using its processing
Waste water energy afterwards reaches the standard of environmental protection, and passing through its treated waste residue realization can turn waste into wealth, and its entire treatment process
It is easy to operate, the treatment process of conventional process waste residue is not only simplified, the cutting fluid waste to various various concentrations is also suitable for
Water carries out demulsification processing, versatile, eliminates the trouble for adjusting demulsifier repeatedly, more convenient to use, quick.The present invention
It is achieved through the following technical solutions:
A kind of environment-friendly treatment method of Cutting Liquid Wastewater, the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step 1: toward cutting fluid
It is sufficiently stirred after adding cationic polyacrylamide in waste water, until cationic polyacrylamide is completely dissolved.
Step 2: activated carbon is added toward Cutting Liquid Wastewater, and activated carbon is stirred.
Step 3: adding aluminum aluminum sulfate toward Cutting Liquid Wastewater, and aluminum aluminum sulfate stirred evenly, and enables aluminum aluminum sulfate at once
Demulsification processing is carried out to Cutting Liquid Wastewater, the Cutting Liquid Wastewater for completing demulsification processing becomes treatment fluid.
Step 4: the cutting waste fluid mixture of upper lower leaf, cutting waste fluid mixing are obtained after treatment fluid is stood 1-2 hours
The upper layer of object is transparent water layer, and the lower layer of cutting waste fluid mixture is activated carbon mixture layer.
Step 5: cutting waste fluid mixture is filtered using filter medium, transparent water layer is filtered out by filter medium
PH value after coming is 6-8, places free from admixture for a long time and is precipitated and has no irritating odor；And activated carbon mixture layer is through filter medium
Obtained after filtering by about 20% activated carbon, 70% black mixture and 10% the filter residue that forms of water, wherein black mixing
Object refers to mixing for base oil in cutting fluid and organic additive.
Preferably, the weight of the cationic polyacrylamide of addition accounts for the 0.02%- of the total weight of Cutting Liquid Wastewater
0.08%。
Preferably, the weight of the activated carbon of addition accounts for the 1.0%-1.5% of the total weight of Cutting Liquid Wastewater.
Preferably, the weight of the aluminum aluminum sulfate of addition accounts for the 0.6-1.0% of the total weight of Cutting Liquid Wastewater.
Preferably, the ion degree of the cationic polyacrylamide of addition is 50%.
Preferably, the filter medium is a kind of in neutral filter paper and ceramic membrane.
Preferably, the diameter of the filter hole in the filter medium is set smaller than or is equal to 20um.
Preferred as weight, the weight of the cationic polyacrylamide of addition accounts for the total weight of Cutting Liquid Wastewater
0.04%。
Preferred as weight, the weight of the activated carbon of addition accounts for the 1.2% of the total weight of Cutting Liquid Wastewater.
Preferred as weight, the weight of the aluminum aluminum sulfate of addition accounts for the 0.8% of the total weight of Cutting Liquid Wastewater.
The environment-friendly treatment method of a kind of Cutting Liquid Wastewater of the invention, by sequentially adding ion in Cutting Liquid Wastewater
Cationic polyacrylamide, activated carbon and the aluminum aluminum sulfate that degree is 50%, when the cationic polyacrylamide for being 50% by ion degree
After putting into Cutting Liquid Wastewater with activated carbon, the cationic polyacrylamide and activated carbon that ion degree is 50% can be Cutting Liquid Wastewater
Demulsification processing prepare, when by aluminum aluminum sulfate put into Cutting Liquid Wastewater after, aluminum aluminum sulfate can rapidly to Cutting Liquid Wastewater into
Row demulsification processing, and processing method of the invention can not only be suitble to carry out at demulsification the Cutting Liquid Wastewater of various various concentrations
Reason, be also suitable for emulsification oils waste water, semi-synthetic Cutting Liquid Wastewater, fully synthetic cutting fluid waste water, aqueous cleaning agent waste water and
Waste water containing activating agent or oil etc. carries out demulsification processing, versatile, eliminates the trouble for adjusting demulsifier repeatedly,
The ability for removing useless impurities in water is strong, and using it, treated that waste water can reach the standard of town sewage discharge, and passes through at it
Waste residue or filter residue after reason are made of about 20% activated carbon, 70% black mixture and 10% water, this waste residue or filter residue are
In the solids of black, can the amount of absorbing solar energy, so that realizing quickly to dry, and due to using processing side of the invention
Mixture of the waste residue or filter residue that method is obtained by filtration containing base oil and organic additive in cutting fluid itself and carbon etc., combustion
Burning value is high, can be power plant power generation after mix with coal dust when being added in coal dust, realize can become give up into
Treasured, entire treatment process is easy to operate, and use cost is low, easy to use, quick, convenient for being widely used to promote.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
A kind of environment-friendly treatment method of Cutting Liquid Wastewater, the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step 1: past to cut
The cationic polyacrylamide for adding that ion degree is 50% in liquid waste water is cut, the weight of the cationic polyacrylamide of addition, which accounts for, cuts
The 0.02%-0.08% of the total weight of liquid waste water is cut, then, cationic polyacrylamide is stirred evenly, until cation poly- third
Until acrylamide is completely dissolved.
Step 2: being added into the activated carbon that weight accounts for the 1.0%-1.5% of Cutting Liquid Wastewater total weight toward Cutting Liquid Wastewater, and
Activated carbon is stirred.
Step 3: being added into the aluminum aluminum sulfate that weight accounts for the 0.6-1.0% of Cutting Liquid Wastewater total weight toward Cutting Liquid Wastewater,
And stir evenly aluminum aluminum sulfate, so that aluminum aluminum sulfate is carried out demulsification processing to Cutting Liquid Wastewater at once, completes demulsification processing
Cutting Liquid Wastewater becomes treatment fluid.
Step 4: the cutting waste fluid mixture of upper lower leaf, cutting waste fluid mixing are obtained after treatment fluid is stood 1-2 hours
The upper layer of object is transparent water layer, and the lower layer of cutting waste fluid mixture is activated carbon mixture layer.
Step 5: aperture diameter is used to carry out for the filter medium less than or equal to 20um to cutting waste fluid mixture
Filter, pH value of the transparent water layer after filter medium filters out are 6-8, this pH value illustrates that transparent water layer is neutral liquid, no
Acid pollution or alkaline pollution can be caused to environment；And free from admixture is placed for a long time through the filtered transparent water layer of filter medium and is precipitated
And have no irritating odor, belong to environmental protection transparent water layer；And activated carbon mixture layer obtained after filter media be by
About 20% activated carbon, 70% black mixture and 10% water composition filter residue, wherein black mixture refers in cutting fluid
Base oil and organic additive mix.
In one embodiment, the filter medium is a kind of in neutral filter paper and ceramic membrane.
Embodiment 1, a kind of environment-friendly treatment method of Cutting Liquid Wastewater, the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step
Rapid one: the cationic polyacrylamide that ion degree is 50% is added into Cutting Liquid Wastewater, the cationic polyacrylamide of addition
Weight accounts for the 0.04% of the total weight of Cutting Liquid Wastewater, and then, cationic polyacrylamide is stirred evenly, until cation is poly-
Until acrylamide is completely dissolved.
Step 2: weight is added into toward Cutting Liquid Wastewater and accounts for 1.2% activated carbon of Cutting Liquid Wastewater total weight, and will be lived
Property carbon stirs.
Step 3: past Cutting Liquid Wastewater is added into 0.8% aluminum aluminum sulfate that weight accounts for Cutting Liquid Wastewater total weight, and will
Aluminum aluminum sulfate stirs evenly, and aluminum aluminum sulfate is enable to carry out demulsification processing to Cutting Liquid Wastewater at once, completes the cutting of demulsification processing
Liquid waste water becomes treatment fluid.
Step 4: the cutting waste fluid mixture of upper lower leaf, cutting waste fluid mixing are obtained after treatment fluid is stood 1-2 hours
The upper layer of object is transparent water layer, and the lower layer of cutting waste fluid mixture is activated carbon mixture layer.
Step 5: aperture diameter is used to be filtered for the neutral filter paper of 18 um to cutting waste fluid mixture, transparent water layer
PH value after neutral filter paper filters out is 7；And activated carbon mixture layer obtains being by about 20% after the filtering of neutral filter paper
The filter residue of activated carbon, 70% black mixture and 10% water composition, wherein black mixture refers to the base oil in cutting fluid
With mixing for organic additive.
Embodiment 2, a kind of environment-friendly treatment method of Cutting Liquid Wastewater, the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step
Rapid one: the cationic polyacrylamide that ion degree is 50% is added into Cutting Liquid Wastewater, the cationic polyacrylamide of addition
Weight accounts for the 0.06% of the total weight of Cutting Liquid Wastewater, and then, cationic polyacrylamide is stirred evenly, until cation is poly-
Until acrylamide is completely dissolved.
Step 2: weight is added into toward Cutting Liquid Wastewater and accounts for 1.4% activated carbon of Cutting Liquid Wastewater total weight, and will be lived
Property carbon stirs.
Step 3: past Cutting Liquid Wastewater is added into 0.7% aluminum aluminum sulfate that weight accounts for Cutting Liquid Wastewater total weight, and will
Aluminum aluminum sulfate stirs evenly, and aluminum aluminum sulfate is enable to carry out demulsification processing to Cutting Liquid Wastewater at once, completes the cutting of demulsification processing
Liquid waste water becomes treatment fluid.
Step 4: the cutting waste fluid mixture of upper lower leaf, cutting waste fluid mixing are obtained after treatment fluid is stood 1.5 hours
The upper layer of object is transparent water layer, and the lower layer of cutting waste fluid mixture is activated carbon mixture layer.
Step 5: using aperture diameter to be filtered for the ceramic membrane of 10um to cutting waste fluid mixture, transparent water layer warp
PH value after ceramic membrane filter comes out is 7.2；And activated carbon mixture layer obtains being by about 20% activity after ceramic membrane filter
The filter residue of carbon, 70% black mixture and 10% water composition, wherein black mixture refers to base oil in cutting fluid and has
The mixing of machine additive.
Embodiment 3, a kind of environment-friendly treatment method of Cutting Liquid Wastewater, the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step
Rapid one: the cationic polyacrylamide that ion degree is 50% is added into Cutting Liquid Wastewater, the cationic polyacrylamide of addition
Weight accounts for the 0.05% of the total weight of Cutting Liquid Wastewater, and then, cationic polyacrylamide is stirred evenly, until cation is poly-
Until acrylamide is completely dissolved.
Step 2: weight is added into toward Cutting Liquid Wastewater and accounts for 1.1% activated carbon of Cutting Liquid Wastewater total weight, and will be lived
Property carbon stirs.
Step 3: past Cutting Liquid Wastewater is added into 0.9% aluminum aluminum sulfate that weight accounts for Cutting Liquid Wastewater total weight, and will
Aluminum aluminum sulfate stirs evenly, and aluminum aluminum sulfate is enable to carry out demulsification processing to Cutting Liquid Wastewater at once, completes the cutting of demulsification processing
Liquid waste water becomes treatment fluid.
Step 4: the cutting waste fluid mixture of upper lower leaf, cutting waste fluid mixture are obtained after treatment fluid is stood 2 hours
Upper layer be transparent water layer, the lower layer of cutting waste fluid mixture is activated carbon mixture layer.
Step 5: using aperture diameter to be filtered for the ceramic membrane of 7um to cutting waste fluid mixture, and transparent water layer is through making pottery
PH value after porcelain film filters out is 6.9；And activated carbon mixture layer obtains being by about 20% activity after ceramic membrane filter
The filter residue of carbon, 70% black mixture and 10% water composition, wherein black mixture refers to base oil in cutting fluid and has
The mixing of machine additive.
Embodiment 4, a kind of environment-friendly treatment method of Cutting Liquid Wastewater, the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step
Rapid one: the cationic polyacrylamide that ion degree is 50% is added into Cutting Liquid Wastewater, the cationic polyacrylamide of addition
Weight accounts for the 0.03% of the total weight of Cutting Liquid Wastewater, and then, cationic polyacrylamide is stirred evenly, until cation is poly-
Until acrylamide is completely dissolved.
Step 2: weight is added into toward Cutting Liquid Wastewater and accounts for 1.4% activated carbon of Cutting Liquid Wastewater total weight, and will be lived
Property carbon stirs.
Step 3: being added into 1% aluminum aluminum sulfate that weight accounts for Cutting Liquid Wastewater total weight toward Cutting Liquid Wastewater, and by sulphur
Sour aluminium potassium stirs evenly, and aluminum aluminum sulfate is enable to carry out demulsification processing to Cutting Liquid Wastewater at once, completes the cutting fluid of demulsification processing
Waste water becomes treatment fluid.
Step 4: the cutting waste fluid mixture of upper lower leaf, cutting waste fluid mixture are obtained after treatment fluid is stood 1 hour
Upper layer be transparent water layer, the lower layer of cutting waste fluid mixture is activated carbon mixture layer.
Step 5: aperture diameter is used to be filtered for the neutral filter paper of 14 um to cutting waste fluid mixture, transparent water layer
PH value after neutral filter paper filters out is 7.1；And activated carbon mixture layer obtains being by about 20% after the filtering of neutral filter paper
Activated carbon, 70% black mixture and 10% water composition filter residue, wherein black mixture refers to the basis in cutting fluid
Oil is mixed with organic additive.
The principle of the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: it is 50% that it, which passes through toward Cutting Liquid Wastewater addition ion degree,
Cationic polyacrylamide, ion degree be 50% cationic polyacrylamide can be gradually formed in Cutting Liquid Wastewater it is netted
The macromolecular mass of structure, and since its surface is positively charged, positive charge can make a large amount of bands in its automatic suction Cutting Liquid Wastewater
The anion molecule group of negative electrical charge and small particle etc. add activated carbon, activated carbon and ion further through toward Cutting Liquid Wastewater
Realization, which is applied in combination, in the cationic polyacrylamide that degree is 50% can substantially increase cationic polyacrylamide in Cutting Liquid Wastewater
Adsorption area, a large amount of subset and heavy metal ion etc. in Cutting Liquid Wastewater can be adsorbed by making it not only, can also be removed
Peculiar smell and pigment in Cutting Liquid Wastewater etc.；And the addition of aluminum aluminum sulfate can neutralize the alkalinity of Cutting Liquid Wastewater, it is made to avoid needing
Strong acid neutralization is added, the demulsification for also ensuring Cutting Liquid Wastewater is good and de-emulsification speed is fast, and it can give birth to when hydrolyzing
At aluminium micel, strong adsorption capacity is made it have, a large amount of harmful metal ion in Cutting Liquid Wastewater can be adsorbed to realize
Group and micel, and ultimately form sediment using after filter formed filter residue discharge, filter residue be harmless products.Ion degree is
The comprehensive function that can reach complementary is applied in combination with aluminum aluminum sulfate three in 50% cationic polyacrylamide, activated carbon, makes to cut
Can turn waste into wealth use after harmful substance comprehensive function precipitating therethrough and filtering in liquid waste water.
It is obtained after carrying out demulsification processing to Cutting Liquid Wastewater using the environment-friendly treatment method of above-described embodiment 1 to embodiment 4
Transparent water layer pH value between 6.9-7.2, pH value is approximately equal to 7, this pH value illustrates that transparent water layer is neutral liquid,
Acid pollution or alkaline pollution will not be caused to environment, and place free from admixture analysis for a long time through the filtered transparent water layer of filter medium
It out and has no irritating odor, reaches the standard of town sewage discharge.
It will be using the environment-friendly treatment method and traditional demulsifier, the way of distillation and ceramic membrane of above-described embodiment 1 to embodiment 4
Method carries out demulsification processing to Cutting Liquid Wastewater respectively, every test result see the table below:
As can be seen from the above table data, using the environment-friendly treatment method of Cutting Liquid Wastewater of the invention come to Cutting Liquid Wastewater into
The demulsification time of row processing within 10 minutes, with time for being demulsified using traditional demulsifier sometimes for 120 minutes
Compare, de-emulsification speed be significantly improved, in addition, carrying out treated product not to Cutting Liquid Wastewater using the present invention
Containing harmful substance, the heavy object that splits (activated carbon mixture layer) obtains after the filtering of neutral filter paper is by about 20% activity
The waste residue or filter residue of carbon, 70% black mixture and 10% water composition, this waste residue or filter residue are the solids in black, energy
The amount of absorbing solar energy, so that realizing quickly to dry；Again due to the waste residue that is obtained by filtration using processing method of the invention or
Mixture and carbon etc. of the filter residue itself containing base oil and organic additive in cutting fluid, fuel value is high, when being added
When in coal dust, it can generate electricity after being mixed with coal dust for power plant, realize the purpose to turn waste into wealth, it is entire processed
Journey is easy to operate, and use cost is low;It contains hydrochloric acid, waste oil, tri-chlorination with the product obtained after the processing of conventionally employed demulsifier
Iron compares with cationic active agent, and processing method of the invention is more environmentally-friendly, and before treatment using traditional demulsifier
Also to waste the 1-48 time carries out allotment demulsifier, and the present invention is not only suitble to carry out the Cutting Liquid Wastewater of various various concentrations
Demulsification processing is also suitable for emulsification oils waste water, semi-synthetic Cutting Liquid Wastewater, fully synthetic cutting fluid waste water, aqueous cleaning agent
Waste water and the waste water containing activating agent or oil etc. carry out demulsification processing, versatile, be not necessarily to waste time before treatment into
Row debugging or allotment, which solve the fiber crops that conventionally employed demulsifier carrys out before processing cutting liquid waste water to need to adjust repeatedly demulsifier
It is tired, meanwhile, it also solves the method for conventionally employed distillation and is given up using the method for ceramic membrane filtering come processing cutting liquid
Water is big with infusion of financial resources, power consumption is big, waste oil waste residue process big using limitation, processing formation is cumbersome, can only mistake
The problem of filtering the bulky grain waste water of 10um or more, milky waste water cannot be filtered and waste water containing activating agent cannot be filtered.
The present invention is not limited to above-mentioned preferred forms, anyone obtain under the inspiration of the present invention other it is any with
The identical or similar product of the present invention, is within the scope of the present invention.
Claims (10)
1. a kind of environment-friendly treatment method of Cutting Liquid Wastewater, it is characterised in that: the environment-friendly treatment method of the Cutting Liquid Wastewater are as follows: step
Rapid one: being sufficiently stirred after adding cationic polyacrylamide into Cutting Liquid Wastewater, until cationic polyacrylamide is completely molten
Until solution；
Step 2: activated carbon is added toward Cutting Liquid Wastewater, and activated carbon is stirred；
Step 3: adding aluminum aluminum sulfate toward Cutting Liquid Wastewater, and aluminum aluminum sulfate stirred evenly, and enables aluminum aluminum sulfate at once to cutting
It cuts liquid waste water and carries out demulsification processing, the Cutting Liquid Wastewater for completing demulsification processing becomes treatment fluid；
Step 4: obtaining the cutting waste fluid mixture of upper lower leaf after treatment fluid is stood 1-2 hours, cutting waste fluid mixture
Upper layer is transparent water layer, and the lower layer of cutting waste fluid mixture is activated carbon mixture layer；
Step 5: cutting waste fluid mixture is filtered using filter medium, transparent water layer is after filter medium filters out
PH value be 6-8, for a long time place free from admixture be precipitated and have no irritating odor；And activated carbon mixture layer is through filter media
Obtain afterwards by 20% activated carbon, 70% black mixture and 10% the filter residue that forms of water, wherein black mixture refers to
Base oil in cutting fluid is mixed with organic additive.
2. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 1, it is characterised in that: the sun of addition
The weight of cationic polyacrylamide accounts for the 0.02%-0.08% of the total weight of Cutting Liquid Wastewater.
3. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 1, it is characterised in that: the work of addition
The weight of property carbon accounts for the 1.0%-1.5% of the total weight of Cutting Liquid Wastewater.
4. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 1, it is characterised in that: the sulphur of addition
The weight of sour aluminium potassium accounts for the 0.6-1.0% of the total weight of Cutting Liquid Wastewater.
5. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 1, it is characterised in that: the sun of addition
The ion degree of cationic polyacrylamide is 50%.
6. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 1, it is characterised in that: the filter medium
It is a kind of in neutral filter paper and ceramic membrane.
7. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 1, it is characterised in that: the filter medium
In filter hole diameter be set smaller than or be equal to 20um.
8. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 2, it is characterised in that: the sun of addition
The weight of cationic polyacrylamide accounts for the 0.04% of the total weight of Cutting Liquid Wastewater.
9. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 3, it is characterised in that: the work of addition
The weight of property carbon accounts for the 1.2% of the total weight of Cutting Liquid Wastewater.
10. a kind of environment-friendly treatment method of Cutting Liquid Wastewater according to claim 4, it is characterised in that: addition it is described
The weight of aluminum aluminum sulfate accounts for the 0.8% of the total weight of Cutting Liquid Wastewater.
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| CN201811327137.2A CN109231580A (en) | 2018-11-08 | 2018-11-08 | A kind of environment-friendly treatment method of Cutting Liquid Wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548850A (en) * | 2020-05-11 | 2020-08-18 | 华辰环保能源(广州)有限责任公司 | Method for treating and recycling cutting fluid and recovering precipitated sludge product |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548850A (en) * | 2020-05-11 | 2020-08-18 | 华辰环保能源(广州)有限责任公司 | Method for treating and recycling cutting fluid and recovering precipitated sludge product |
| CN111548850B (en) * | 2020-05-11 | 2022-06-17 | 华辰环保能源(广州)有限责任公司 | Method for treating and recycling cutting fluid and recovering precipitated sludge product |
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