CN108101154A - A kind of processing method of oily waste water - Google Patents
A kind of processing method of oily waste water Download PDFInfo
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- CN108101154A CN108101154A CN201711352940.7A CN201711352940A CN108101154A CN 108101154 A CN108101154 A CN 108101154A CN 201711352940 A CN201711352940 A CN 201711352940A CN 108101154 A CN108101154 A CN 108101154A
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- oily waste
- waste water
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Classifications
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
- B01D17/10—Thickening liquid suspensions by filtration with stationary filtering elements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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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- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Fats And Perfumes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention provides a kind of processing methods of oily waste water, comprise the following steps：Polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water are mixed, washing and drying is ground up, sieved to obtain product A；H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms by-pass filtration layer；After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；Filtering is mixed in obtained water layer and polyanion cellulose, flue dust, phenolate enzymolysis xylogen, removes filter residue；Walnut shell powder and discrimination line plumage line algae powder are added in, heating stirring filtering removes filter residue；Zeolite, starch xanthate and nano-structure porous silicon, sonic oscillation are added in, filtering removes filter residue；Measure every physical and chemical index of treated water.Water oil separation can be effectively performed in the processing method of oily waste water of the present invention, while also has extraordinary removal effect to COD and BOD.
Description
Technical field
The present invention relates to a kind of processing methods of oily waste water.
Background technology
With the rapid economic development in our country, catering trade, tourist industry also grow up therewith, the relevant issues brought are exactly
Come from the pollution of oily waste water in the catering trades such as each hotel, in the waste water vegetable and animals oils containing higher concentration and
A large amount of solid suspensions, so becoming an important pollution entering the water.Due to these oily waste waters discharge capacity increasingly
Greatly, the pollution becoming serious of food and drink waste water is made.This oily waste water has BOD, COD concentration high simultaneously, and oil content is more, row
The characteristics of high-volume big.And due in this kind of waste water noxious material it is relatively fewer, it is general it is unprocessed be just directly discharged to water body,
The eutrophication of water body is caused, is oil removing for the main problem in oiliness sewage treatment, reduces CODCr and turbidity.Oily waste water
The processing of water can not only preserve the ecological environment, and can mitigate the burden at municipal sewage treatment station, have apparent Environmental Effect
Benefit and economic benefit.
The content of the invention
Technical problems to be solved：The object of the present invention is to provide a kind of processing method of oily waste water, can effectively by
Water oil in oily waste water is separated, while also has extraordinary removal effect to COD and BOD.
Technical solution：A kind of processing method of oily waste water, comprises the following steps：
1. a kind of processing method of oily waste water, comprises the following steps：
（1）Polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water are mixed, 2-3h is stirred, after clear water washing
Dried at 80 DEG C, be ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and
The weight ratio of water is 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）By the polyanion cellulose of obtained water layer and 2-5wt ‰, the flue dust of 2-5wt ‰, 2-4wt ‰ phenolate enzyme
Lignin mixing is solved, 30-40min is stirred under rotating speed 300-400r/min, is filtered, removes filter residue；
（5）The walnut shell powder of accessing pending water 2-4wt ‰ and the discrimination line plumage line algae powder of 2-5wt ‰ are added in, is heated at 40-50 DEG C
30-40min is stirred, filtering removes filter residue；
（6）The nanometer for adding in the zeolite of accessing pending water 30-50wt ‰, the starch xanthate of 10-20wt ‰ and 5-10wt ‰ is more
Hole silicon, is put into sonic oscillation instrument in the case where ultrasonic power is 700-800W and carries out sonic oscillation 5-10min, and filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
It is further preferred that the grain size of the PP GRANULES is 0.5-1mm.
It is further preferred that step（4）Middle rotating speed is 350r/min, mixing time 35min.
It is further preferred that step（5）In be heated to 45 DEG C, mixing time 35min.
It is further preferred that step（6）Middle ultrasonic power is 750W.
Advantageous effect：This method can effectively separate the water oil in oily waste water, and oil content is in before processing water
307.1mg/L, the after processing minimum 9.4mg/L of the oil content in water, while this method is to the removal effect of COD and BOD
Very well, 96.1% is up to for COD removal rates, 92.1% is also up to the removal rate of BOD, there is place well for oily waste water
Manage effect.
Specific embodiment
Embodiment 1
A kind of processing method of oily waste water, comprises the following steps：
（1）By polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water mix, stir 2h, clear water washing after
It is dried at 80 DEG C, is ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water
Weight ratio be 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 2wt ‰, the flue dust of 2wt ‰, 2wt ‰ is wooden
Element mixing, stirs 30min under rotating speed 300r/min, filters, and removes filter residue；
（5）The walnut shell powder of accessing pending water 2wt ‰ and the discrimination line plumage line algae powder of 2wt ‰ are added in, is heated to stirring at 40 DEG C
30min, filtering remove filter residue；
（6）Zeolite, the starch xanthate of 10wt ‰ and the nano-structure porous silicon of 5wt ‰ of accessing pending water 30wt ‰ is added in, is put into
Sonic oscillation 5min is carried out in sonic oscillation instrument in the case where ultrasonic power is 700W, filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
Embodiment 2
A kind of processing method of oily waste water, comprises the following steps：
（1）Polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water are mixed, 2.5h is stirred, after clear water washing
Dried at 80 DEG C, be ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and
The weight ratio of water is 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 3wt ‰, the flue dust of 3wt ‰, 3wt ‰ is wooden
Element mixing, stirs 35min under rotating speed 350r/min, filters, and removes filter residue；
（5）The walnut shell powder of accessing pending water 3wt ‰ and the discrimination line plumage line algae powder of 3wt ‰ are added in, is heated to stirring at 45 DEG C
35min, filtering remove filter residue；
（6）Zeolite, the starch xanthate of 15wt ‰ and the nano-structure porous silicon of 7wt ‰ of accessing pending water 35wt ‰ is added in, is put into
Sonic oscillation 6min is carried out in sonic oscillation instrument in the case where ultrasonic power is 750W, filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
Embodiment 3
A kind of processing method of oily waste water, comprises the following steps：
（1）Polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water are mixed, 2.5h is stirred, after clear water washing
Dried at 80 DEG C, be ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and
The weight ratio of water is 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 4wt ‰, the flue dust of 4wt ‰, 3wt ‰ is wooden
Element mixing, stirs 35min under rotating speed 350r/min, filters, and removes filter residue；
（5）The walnut shell powder of accessing pending water 3wt ‰ and the discrimination line plumage line algae powder of 4wt ‰ are added in, is heated to stirring at 45 DEG C
35min, filtering remove filter residue；
（6）Zeolite, the starch xanthate of 15wt ‰ and the nano-structure porous silicon of 8wt ‰ of accessing pending water 40wt ‰ is added in, is put into
Sonic oscillation 8min is carried out in sonic oscillation instrument in the case where ultrasonic power is 750W, filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
Embodiment 4
A kind of processing method of oily waste water, comprises the following steps：
（1）By polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water mix, stir 3h, clear water washing after
It is dried at 80 DEG C, is ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water
Weight ratio be 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 5wt ‰, the flue dust of 5wt ‰, 4wt ‰ is wooden
Element mixing, stirs 40min under rotating speed 400r/min, filters, and removes filter residue；
（5）The walnut shell powder of accessing pending water 4wt ‰ and the discrimination line plumage line algae powder of 5wt ‰ are added in, is heated to stirring at 50 DEG C
40min, filtering remove filter residue；
（6）Zeolite, the starch xanthate of 20wt ‰ and the nano-structure porous silicon of 10wt ‰ of accessing pending water 50wt ‰ is added in, is put into
Sonic oscillation 10min is carried out in sonic oscillation instrument in the case where ultrasonic power is 800W, filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
Comparative example 1
A kind of processing method of oily waste water, comprises the following steps：
（1）By H-type modified polypropylene fiber and PP GRANULES, it is fitted into after shaking scattered mixing in glass tube, forms level-one mistake
Filtering layer, wherein, the weight ratio of H-type modified polypropylene fiber and PP GRANULES is 3:2；
（2）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（3）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 2wt ‰, the flue dust of 2wt ‰, 2wt ‰ is wooden
Element mixing, stirs 30min under rotating speed 300r/min, filters, and removes filter residue；
（4）The walnut shell powder of accessing pending water 2wt ‰ and the discrimination line plumage line algae powder of 2wt ‰ are added in, is heated to stirring at 40 DEG C
30min, filtering remove filter residue；
（5）Zeolite, the starch xanthate of 10wt ‰ and the nano-structure porous silicon of 5wt ‰ of accessing pending water 30wt ‰ is added in, is put into
Sonic oscillation 5min is carried out in sonic oscillation instrument in the case where ultrasonic power is 700W, filtering removes filter residue；
（6）Measure every physical and chemical index of treated water.
Comparative example 2
A kind of processing method of oily waste water, comprises the following steps：
（1）By polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water mix, stir 2h, clear water washing after
It is dried at 80 DEG C, is ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water
Weight ratio be 5:6:10:20；
（2）It is fitted into glass tube, forms by-pass filtration layer；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 2wt ‰, the flue dust of 2wt ‰, 2wt ‰ is wooden
Element mixing, stirs 30min under rotating speed 300r/min, filters, and removes filter residue；
（5）The walnut shell powder of accessing pending water 2wt ‰ and the discrimination line plumage line algae powder of 2wt ‰ are added in, is heated to stirring at 40 DEG C
30min, filtering remove filter residue；
（6）Zeolite, the starch xanthate of 10wt ‰ and the nano-structure porous silicon of 5wt ‰ of accessing pending water 30wt ‰ is added in, is put into
Sonic oscillation 5min is carried out in sonic oscillation instrument in the case where ultrasonic power is 700W, filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
Comparative example 3
A kind of processing method of oily waste water, comprises the following steps：
（1）By polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water mix, stir 2h, clear water washing after
It is dried at 80 DEG C, is ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water
Weight ratio be 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）The phenolate enzymolysis of the polyanion cellulose of obtained water layer and 2wt ‰, the flue dust of 2wt ‰, 2wt ‰ is wooden
Element mixing, stirs 30min under rotating speed 300r/min, filters, and removes filter residue；
（5）Zeolite, the starch xanthate of 10wt ‰ and the nano-structure porous silicon of 5wt ‰ of accessing pending water 30wt ‰ is added in, is put into
Sonic oscillation 5min is carried out in sonic oscillation instrument in the case where ultrasonic power is 700W, filtering removes filter residue；
（6）Measure every physical and chemical index of treated water.
This method can effectively separate the water oil in oily waste water, and oil content is 307.1mg/L in before processing water,
The minimum 9.4mg/L of oil content after processing in water, while this method is also fine to the removal effect of COD and BOD, for
COD removal rates are up to 96.1%, are also up to 92.1% to the removal rate of BOD, have good treatment effect for oily waste water.
Partial properties index of the table 1 through this law treated water
Note：After level-one separation, COD concentration and BOD concentration are respectively 1108.23mg/L and 1001.21mg/L in water.
Claims (5)
1. a kind of processing method of oily waste water, it is characterised in that：Comprise the following steps：
（1）Polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite and water are mixed, stir 2-3h, clear water washing
It is dried afterwards at 80 DEG C, is ground up, sieved to obtain product A, wherein, polydimethyl diallyl ammonium chloride, chitosan, sodium bentonite
Weight ratio with water is 5:6:10:20；
（2）H-type modified polypropylene fiber and PP GRANULES are added in, is fitted into after shaking scattered mixing in glass tube, forms level-one
Filter layer, wherein, the weight ratio of product A, H-type modified polypropylene fiber and PP GRANULES are 8:3:2；
（3）After oily waste water is crossed by-pass filtration layer, the water layer and oil reservoir obtained after filtering is collected respectively；
（4）By the polyanion cellulose of obtained water layer and 2-5wt ‰, the flue dust of 2-5wt ‰, 2-4wt ‰ phenolate enzyme
Lignin mixing is solved, 30-40min is stirred under rotating speed 300-400r/min, is filtered, removes filter residue；
（5）The walnut shell powder of accessing pending water 2-4wt ‰ and the discrimination line plumage line algae powder of 2-5wt ‰ are added in, is heated to 40-50 DEG C
Lower stirring 30-40min, filtering remove filter residue；
（6）The nanometer for adding in the zeolite of accessing pending water 30-50wt ‰, the starch xanthate of 10-20wt ‰ and 5-10wt ‰ is more
Hole silicon, is put into sonic oscillation instrument in the case where ultrasonic power is 700-800W and carries out sonic oscillation 5-10min, and filtering removes filter residue；
（7）Measure every physical and chemical index of treated water.
2. a kind of processing method of oily waste water according to claim 1, it is characterised in that：The grain of the PP GRANULES
Footpath is 0.5-1mm.
3. a kind of processing method of oily waste water according to claim 1, it is characterised in that：The step（4）Middle rotating speed
For 350r/min, mixing time 35min.
4. a kind of processing method of oily waste water according to claim 1, it is characterised in that：The step（5）Middle heating
To 45 DEG C, mixing time 35min.
5. a kind of processing method of oily waste water according to claim 1, it is characterised in that：The step（6）Middle ultrasound
Power is 750W.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109160654A (en) * | 2018-11-21 | 2019-01-08 | 广东新科农生物科技有限公司 | Dinitolmide based on modified molecular screen produces method for treating waste liquid |
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| CN109160654B (en) * | 2018-11-21 | 2021-03-30 | 广东新科农生物科技有限公司 | Method for treating dinitolmide production waste liquid based on modified molecular sieve |
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