CN106430698A - Special water purifying agent for chloroprene rubber production and wastewater treatment method - Google Patents
Special water purifying agent for chloroprene rubber production and wastewater treatment method Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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
- C02F2101/30—Organic 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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Abstract
The invention discloses a special water purifying agent for chloroprene rubber production and a wastewater treatment method. A mixture which comprises caustic alkali, poly dimethyl diallyl ammonium chloride, polyethylene imine, bentonite, polyoxy succinic acid, sericite powder, carboxyl acetic acid, water-soluble sodium humate, tetraphenaylporphyrin iron and cottonseed hulls is used as the water purifying agent, and a flocculant which comprises the components of borax, polyacrylamide, lignin, chitosan and kaolin is matched, and processes of deep oxidation, flocculation, ultrasound, resin adsorption, filtration, sterilization, membrane separation and the like are assisted to effectively lower the contents of organic matters and salt in sewage and the COD value, and meet requirements of the industry, so that the special water purifying agent for the chloroprene rubber production and the wastewater treatment method have very good application prospects.
Description
Technical field
The present invention relates to the processing method of industrial wastewater, produce special water purification agent and waste water particularly to a kind of neoprene
Processing method.
Background technology
Neoprene is polymerized, by chlorobutadiene, the synthetic rubber made, and has oil resistant, resistance to combustion, resistance to oxidation and resistance to ozone etc.
Good combination property, it is thus achieved that be widely applied.
In the production process of neoprene, raw material uses ortho-aminotoluene, aniline and hydroquinones, the waste water of generation
Containing the substantial amounts of organic matter being difficult to biochemical degradation, such as benzene homologues, dispersant, milk coagulant etc., and in waste water COD at concentrations up to
1000-2500mg/L, salt is at more than 3000mg/L.Accordingly, it would be desirable to process for above-mentioned waste water, and single physics
Precipitating its effect unsatisfactory, chemical treatment method easily brings new pollution, produces other chemical substance.With existing one
As chemical wastewater treatment method, such as the techniques such as one-level air supporting, surface aeration, catalytic oxidation and sand filtration, be difficult to COD concentration is down to
Below discharge standard l00mg/L, higher salt content also is difficult to be removed by commonsense method.Existing mixed processing method there is also place
The higher defect of reason expense, unfavorable more disposable Sewage treatment utilizes.
Therefore, it is badly in need of a kind of can be used for of exploitation and effectively process the special water purification agent that neoprene produces the waste water producing in journey
And corresponding method of wastewater treatment, the organic matter in waste water, salt are farthest removed, reduces COD dense simultaneously
Degree so that it is reach the requirement of Harmless discharge.
Content of the invention
For solving above-mentioned technical problem, the present invention provides a kind of neoprene to produce special water purification agent and waste water process side
Method, by using water purification agent and the flocculant of special component combination, coordinates corresponding deep oxidation, flocculation, ultrasonic, resin suction
The processing methods such as attached, filtration, sterilization, UF membrane, effectively reduce the organic matter in sewage, salt content, COD value, Neng Gouman
The requirement of foot industry, has preferable application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of neoprene produces special water purification agent, is made up of the raw material of following weight portion：Caustic alkali 30-35 part, poly dimethyl
Diallyl ammonium chloride 25-30 part, ethylene imine 15-25 part, bentonite 10-20 part, polyoxy butanedioic acid 10-15 part, thin,tough silk cloud
Female powder 5-10 part, carboxyl acetic acid 5-8 part, fulvo acid sodium 3-5 part, tetraphenylporphyrin iron 3-5 part, cotton seed hulls 2-3 part.
Provide the method for wastewater treatment producing in a kind of neoprene production process simultaneously, comprise the following steps：
1）Adding alkalescence white clay in waste water, at 35-70 DEG C, stirring reaction 20-50 minute, filters after staticly settling, with
The amount pressing 35mg/L afterwards adds water purification agent, and the raw material of water purification agent consists of：Caustic alkali 30-35 part, poly dimethyl allyl chlorine
Change ammonium 25-30 part, ethylene imine 15-25 part, bentonite 10-20 part, polyoxy butanedioic acid 10-15 part, sericite in powder 5-10 part,
Carboxyl acetic acid 5-8 part, fulvo acid sodium 3-5 part, tetraphenylporphyrin iron 3-5 part, cotton seed hulls 2-3 part, with 15-30 rev/min
The rotating speed stirring 30-50 minute of clock, stands 3-4 hour, and waste water is layered as supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, pH to the 2-3 of regulation supernatant, uniform aeration, add oxidant, carry out
Deep oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L,
COD, when 100 ~ 150mg/L, terminates reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, reacting 30 minutes, the addition of flocculant is
25mg/L-30mg/L；Carrying out ultrasonic wave process subsequently, ultrasonic power is 1300w-1400w, and ultrasonic time is 30-50 minute；Super
After sound terminates, carry out standing clarification, remove bottom sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.5BV/h-1.8BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
Preferably, described flocculant consists of：Borax 15-25 part, polyacrylamide 10-20 part, lignin 10-15
Part, shitosan 7-9 part, kaolin 5-10 part.
Preferably, the power that described ultrasonic wave is processed is 1350W, and ultrasonic time is 40 minutes.
Compared with prior art, it has the beneficial effect that the present invention：
（1）The neoprene of the present invention produces special water purification agent with caustic alkali, PDDA, polyethyleneimine
Amine, bentonite, polyoxy butanedioic acid, sericite in powder, carboxyl acetic acid, fulvo acid sodium, tetraphenylporphyrin iron, cotton seed hulls institute group
The mixture becoming, as water purification agent, coordinates the wadding with borax, polyacrylamide, lignin, shitosan, kaolin as constituent
Solidifying agent, is aided with the techniques such as deep oxidation, flocculation, ultrasonic, resin adsorption, filtration, sterilization, UF membrane, effectively reduces in sewage
Organic matter, salt content, COD value, disclosure satisfy that the requirement of industry, there is preferable application prospect.
（2）Cheaper starting materials selected by the water purification agent of the present invention, flocculant and sewage treatment process are simple, are suitable to large-scale industry
Change process, practical.
Detailed description of the invention
It is described in detail below in conjunction with the technical scheme to invention for the specific embodiment.
Embodiment 1
1）Adding alkalescence white clay in waste water, at 35-70 DEG C, stirring reaction 20 minutes, filter after staticly settling, subsequently
Adding water purification agent by the amount of 35mg/L, the raw material of water purification agent consists of：30 parts of caustic alkali, PDDA 25
Part, ethylene imine 15 parts, bentonite 10 parts, polyoxy butanedioic acid 10 parts, sericite in powder 5 parts, carboxyl acetic acid 5 parts, water-soluble corruption
Sodium phytate 3 parts, tetraphenylporphyrin iron 3 parts, cotton seed hulls 2 parts, stir 30 minutes with the rotating speeds of 15 revs/min, stand 3 hours, useless
Water stratification is supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, the pH to 2 of regulation supernatant, uniform aeration, add oxidant, carry out deep
Degree oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L, COD
When 100 ~ 150mg/L, terminate reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, flocculant consists of：Borax 15 parts, poly-third
Acrylamide 10 parts, 10 parts of lignin, shitosan 7 parts, kaolin 5 parts, react 30 minutes, and the addition of flocculant is 25mg/L；
Carrying out ultrasonic wave process subsequently, ultrasonic power is 1350w, and ultrasonic time is 40 minutes；After ultrasonic end, carry out standing clarification,
Remove bottom sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.5BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
The indices test result purifying water is as shown in table 1.
Embodiment 2
1）Adding alkalescence white clay in waste water, at 55 DEG C, stirring reaction 35 minutes, filter after staticly settling, press subsequently
The amount of 35mg/L adds water purification agent, and the raw material of water purification agent consists of：33 parts of caustic alkali, PDDA 28
Part, ethylene imine 20 parts, bentonite 15 parts, polyoxy butanedioic acid 12 parts, sericite in powder 7 parts, carboxyl acetic acid 6 parts, water-soluble corruption
Sodium phytate 4 parts, tetraphenylporphyrin iron 4 parts, cotton seed hulls 3 parts, stir 40 minutes with the rotating speeds of 25 revs/min, stand 3.5 hours,
Waste water is layered as supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, the pH to 2.5 of regulation supernatant, uniform aeration, add oxidant, carry out
Deep oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L,
COD, when 100 ~ 150mg/L, terminates reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, flocculant consists of：Borax 20 parts, poly-third
Acrylamide 15 parts, 12 parts of lignin, shitosan 8 parts, kaolin 7 parts, react 30 minutes, and the addition of flocculant is 27mg/L；
Carrying out ultrasonic wave process subsequently, ultrasonic power is 1350w, and ultrasonic time is 40 minutes；After ultrasonic end, carry out standing clarification,
Remove bottom sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.7BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
The indices test result purifying water is as shown in table 1.
Embodiment 3
1）Adding alkalescence white clay in waste water, at 70 DEG C, stirring reaction 50 minutes, filter after staticly settling, press subsequently
The amount of 35mg/L adds water purification agent, and the raw material of water purification agent consists of：35 parts of caustic alkali, PDDA 30
Part, ethylene imine 25 parts, bentonite 20 parts, polyoxy butanedioic acid 15 parts, sericite in powder 10 parts, carboxyl acetic acid 8 parts, water-soluble corruption
Sodium phytate 5 parts, tetraphenylporphyrin iron 5 parts, cotton seed hulls 3 parts, stir 50 minutes with the rotating speeds of 30 revs/min, stand 4 hours, useless
Water stratification is supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, the pH to 3 of regulation supernatant, uniform aeration, add oxidant, carry out deep
Degree oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L, COD
When 100 ~ 150mg/L, terminate reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, flocculant consists of：Borax 25 parts, poly-third
Acrylamide 20 parts, 15 parts of lignin, shitosan 9 parts, kaolin 10 parts, react 30 minutes, and the addition of flocculant is 30mg/L；
Carrying out ultrasonic wave process subsequently, ultrasonic power is 1350w, and ultrasonic time is 40 minutes；After ultrasonic end, carry out standing clarification,
Remove bottom sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.8BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
The indices test result purifying water is as shown in table 1.
Embodiment 4
1）Adding alkalescence white clay in waste water, at 70 DEG C, stirring reaction 20 minutes, filter after staticly settling, press subsequently
The amount of 35mg/L adds water purification agent, and the raw material of water purification agent consists of：35 parts of caustic alkali, PDDA 25
Part, ethylene imine 25 parts, bentonite 10 parts, polyoxy butanedioic acid 15 parts, sericite in powder 5 parts, carboxyl acetic acid 8 parts, water-soluble corruption
Sodium phytate 3 parts, tetraphenylporphyrin iron 5 parts, cotton seed hulls 2 parts, stir 30 minutes with the rotating speeds of 30 revs/min, stand 4 hours, useless
Water stratification is supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, the pH to 2 of regulation supernatant, uniform aeration, add oxidant, carry out deep
Degree oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L, COD
When 100 ~ 150mg/L, terminate reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, flocculant consists of：Borax 15 parts, poly-third
Acrylamide 20 parts, 10 parts of lignin, shitosan 9 parts, kaolin 5 parts, react 30 minutes, and the addition of flocculant is 30mg/L；
Carrying out ultrasonic wave process subsequently, ultrasonic power is 1350w, and ultrasonic time is 40 minutes；After ultrasonic end, carry out standing clarification,
Remove bottom sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.5BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
The indices test result purifying water is as shown in table 1.
Comparative example 1
1）Adding alkalescence white clay in waste water, at 35-70 DEG C, stirring reaction 20 minutes, filter after staticly settling, subsequently
Adding water purification agent by the amount of 35mg/L, the raw material of water purification agent consists of：30 parts of caustic alkali, PDDA 25
Part, ethylene imine 15 parts, bentonite 10 parts, polyoxy butanedioic acid 10 parts, carboxyl acetic acid 5 parts, 3 parts of fulvo acid sodium, cotton
2 parts of seed shell, stirs 30 minutes with the rotating speeds of 15 revs/min, stands 3 hours, and waste water is layered as supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, the pH to 2 of regulation supernatant, uniform aeration, add oxidant, carry out deep
Degree oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L, COD
When 100 ~ 150mg/L, terminate reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, flocculant consists of：Borax 15 parts, wooden
Element 10 parts, shitosan 7 parts, kaolin 5 parts, react 30 minutes, and the addition of flocculant is 25mg/L；Carry out subsequently at ultrasonic wave
Reason, ultrasonic power is 1350w, and ultrasonic time is 40 minutes；After ultrasonic end, carry out standing clarification, remove bottom sediment, it is thus achieved that
Purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.5BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
The indices test result purifying water is as shown in table 1.
Comparative example 2
1）Adding alkalescence white clay in waste water, at 70 DEG C, stirring reaction 50 minutes, filter after staticly settling, press subsequently
The amount of 35mg/L adds water purification agent, and the raw material of water purification agent consists of：35 parts of caustic alkali, ethylene imine 25 parts, bentonite 20 parts,
Sericite in powder 10 parts, carboxyl acetic acid 8 parts, 5 parts of fulvo acid sodium, tetraphenylporphyrin iron 5 parts, cotton seed hulls 3 parts, with 30 turns/
The rotating speed of minute stirs 50 minutes, stands 4 hours, and waste water is layered as supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, the pH to 3 of regulation supernatant, uniform aeration, add oxidant, carry out deep
Degree oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L, COD
When 100 ~ 150mg/L, terminate reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, flocculant consists of：Borax 25 parts, poly-third
Acrylamide 20 parts, shitosan 9 parts, kaolin 10 parts, react 30 minutes, and the addition of flocculant is 30mg/L；Surpass subsequently
Sonicated, ultrasonic power is 1350w, and ultrasonic time is 40 minutes；After ultrasonic end, carry out standing clarification, remove bottom and sink
Form sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.8BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
The indices test result purifying water is as shown in table 1.
The water purification of embodiment 1-4 and comparative example 1-2 is carried out water-quality test respectively.
Table 1
The neoprene of the present invention produce special water purification agent with caustic alkali, PDDA, ethylene imine,
Bentonite, polyoxy butanedioic acid, sericite in powder, carboxyl acetic acid, fulvo acid sodium, tetraphenylporphyrin iron, cotton seed hulls are formed
Mixture as water purification agent, coordinate the flocculation with borax, polyacrylamide, lignin, shitosan, kaolin as constituent
Agent, is aided with the techniques such as deep oxidation, flocculation, ultrasonic, resin adsorption, filtration, sterilization, UF membrane, effectively reduces in sewage
Organic matter, salt content, COD value, disclosure satisfy that the requirement of industry, have preferable application prospect.Meanwhile, the water purification of the present invention
Cheaper starting materials selected by agent, flocculant and sewage treatment process are simple, are suitable to heavy industrialization process, practical.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other related technology necks
Territory, all in like manner includes in the scope of patent protection of the present invention.
Claims (4)
1. a neoprene produces special water purification agent, it is characterised in that：It is made up of the raw material of following weight portion：Caustic alkali 30-
35 parts, PDDA 25-30 part, ethylene imine 15-25 part, bentonite 10-20 part, polyoxy butanedioic acid
10-15 part, sericite in powder 5-10 part, carboxyl acetic acid 5-8 part, fulvo acid sodium 3-5 part, tetraphenylporphyrin iron 3-5 part, cotton
Seed shell 2-3 part.
2. the method for wastewater treatment producing in a neoprene production process, it is characterised in that comprise the following steps：
1）Adding alkalescence white clay in waste water, at 35-70 DEG C, stirring reaction 20-50 minute, filters after staticly settling, with
The amount pressing 35mg/L afterwards adds water purification agent, and the raw material of water purification agent consists of：Caustic alkali 30-35 part, poly dimethyl allyl chlorine
Change ammonium 25-30 part, ethylene imine 15-25 part, bentonite 10-20 part, polyoxy butanedioic acid 10-15 part, sericite in powder 5-10 part,
Carboxyl acetic acid 5-8 part, fulvo acid sodium 3-5 part, tetraphenylporphyrin iron 3-5 part, cotton seed hulls 2-3 part, with 15-30 rev/min
The rotating speed stirring 30-50 minute of clock, stands 3-4 hour, and waste water is layered as supernatant and solid precipitation；
2）Supernatant is sent in deep oxidation tower, pH to the 2-3 of regulation supernatant, uniform aeration, add oxidant, carry out
Deep oxidation, the real time measure water quality index, treat that in water, heavy metal concentration is less than 2.5mg/L, concentration of cyanide is less than 3.0mg/L,
COD, when 100 ~ 150mg/L, terminates reaction；
3）By importing in reaction tank through the supernatant of deep oxidation, adding flocculant, reacting 30 minutes, the addition of flocculant is
25mg/L-30mg/L；Carrying out ultrasonic wave process subsequently, ultrasonic power is 1300w-1400w, and ultrasonic time is 30-50 minute；Super
After sound terminates, carry out standing clarification, remove bottom sediment, it is thus achieved that purify supernatant；
4）Making purification supernatant pass through SP207 macroporous absorbent resin again, applied sample amount is 5 with SP207 macroporous absorbent resin weight ratio:
1, loading flow velocity is 1.5BV/h-1.8BV/h；
5）Purification supernatant after processing through resin adsorption passes through shallow-sand filter, filters water outlet and enters sterilization pool, adds ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium is sterilized, and additive capacity is 60mg/L；
6）Purification supernatant after sterilization processing being passed through film separation system, removing soluble inorganic salt therein, obtaining can
The purification water of qualified discharge.
3. the method for wastewater treatment producing in a kind of neoprene production process according to claim 2, it is characterised in that：
Described flocculant consists of：Borax 15-25 part, polyacrylamide 10-20 part, lignin 10-15 part, shitosan 7-9 part, height
Ridge soil 5-10 part.
4. the method for wastewater treatment producing in a kind of neoprene production process according to claim 2, it is characterised in that：
The power that described ultrasonic wave is processed is 1350W, and ultrasonic time is 40 minutes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292941A (en) * | 2018-11-30 | 2019-02-01 | 山东大学 | A kind of preparation method of high grafting rate paper mill sludge base organic polymer coargulator |
| CN110563105A (en) * | 2019-09-18 | 2019-12-13 | 北京利赛格环保科技有限公司 | Compound water treatment agent |
| CN117682732A (en) * | 2024-02-04 | 2024-03-12 | 佛山市骏虎表面技术有限公司 | Zero-emission treatment method for aluminum processing wastewater |
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