CN106517619A - Device and method for treating organic wastewater by sound, light and ozone coupling - Google Patents
Device and method for treating organic wastewater by sound, light and ozone coupling Download PDFInfo
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- CN106517619A CN106517619A CN201710001300.5A CN201710001300A CN106517619A CN 106517619 A CN106517619 A CN 106517619A CN 201710001300 A CN201710001300 A CN 201710001300A CN 106517619 A CN106517619 A CN 106517619A
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 239000002351 wastewater Substances 0.000 title claims abstract description 109
- 238000010168 coupling process Methods 0.000 title claims abstract description 62
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 48
- 230000008878 coupling Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 125
- 230000003647 oxidation Effects 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000005516 engineering process Methods 0.000 claims abstract description 26
- 238000011282 treatment Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000001590 oxidative effect Effects 0.000 claims abstract description 5
- 238000002604 ultrasonography Methods 0.000 claims description 31
- 230000004044 response Effects 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 14
- 239000003708 ampul Substances 0.000 claims description 11
- 239000010453 quartz Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 210000005056 cell body Anatomy 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 230000006378 damage Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 235000006506 Brasenia schreberi Nutrition 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 230000001808 coupling effect Effects 0.000 abstract 1
- 229920002521 macromolecule Polymers 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- -1 hydroxyl radical free radical Chemical class 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a device and a method for treating organic wastewater by sound, light and ozone coupling. The device comprises a wastewater adjusting tank for adjusting the pH value of the wastewater; an ozone pre-oxidation reaction system for pre-oxidizing micromolecule organic matters in the wastewater, destroying macromolecule organic matters, and enabling ozone in the ozone pre-oxidation reaction system to reach saturation concentration; a coupling oxidation reaction system for oxidating the wastewater through ultrasonic wave, ozone and ultraviolet light coupling, greatly reducing concentration of organic matters in the wastewater, and realizing the aims of deep treating the wastewater; a clean water tank; the wastewater adjusting tank, the ozone pre-oxidation reaction system and the ultrasonic wave, ozone and ultraviolet light coupling oxidation reaction system are connected from left to right in sequence. The device adopts an ultrasonic oxidation, ozone oxidization and ultraviolet light oxidization coupling action mechanism, and is internally provided with an ultrasonic vibrating board, the three advanced oxidation technologies can cooperate with one another to treat industrial organic wastewater with high concentration and degradation difficulty, the treatment effect is improved, and the wastewater treatment of an enterprises can reach meet new emission standard requirements.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to Yi Zhongsheng, light, ozone coupling process the dress of organic wastewater
Put and its method, present invention is especially suitable for the high treatment of Organic Wastewater of bio-refractory, concentration.
Background technology
The difficult problem of environmental protection of the treatment of Organic Wastewater discharged in commercial production always puzzlement enterprise, and water pollution control
Technical barrier, existing industrialization technology mainly have Fenton class reagent oxidation, ozone oxidation, electrochemical oxidation etc..Wherein, Fenton
Class reagent oxidation is a kind of most widely used technology, and it is low to be primarily due to the technology initial investment expense, but in the operation phase
Between need to add substantial amounts of medicament, operating cost is higher, but also can produce substantial amounts of sludge, and such sludge contains harmful substance
Need to give up with reference to danger and be managed and dispose, further increased enterprise operation cost, in addition, the day with the whole society to environmental protection
Benefit is paid attention to, and enterprise's sewage disposal carries mark and transforms imperative, and many local governments have required that sewage disposal discharge improves in enterprise
Standard, only can not meet new discharge standard using the technical finesse waste water of Fenton class reagent oxidation and require, therefore be badly in need of opening
The technology for sending out new is solving this difficult problem.
Ozone oxidation is as a kind of high-level oxidation technology, more used in Water purification, is gradually applied useless in recent years
Water treatment field, achieves preferable effect, but the technology is vulnerable to various objective condition and affects, and causes the utilization rate of ozone
Low, dosage is far longer than theoretical requirement, causes operating cost to raise and have substantial amounts of residual ozone to enter atmospheric pollution ring
Border air.Limit the popularization and application of the technology.
Ultrasound oxidation technology technology integrates advanced oxidation, burning, supercritical oxidation, with simple to operation, nothing two
The advantages of secondary pollution, but oxidation efficiency is relatively low, is especially single use ultrasound oxidation technology technical finesse sewage and is extremely difficult to reason
The treatment effect thought, therefore, the technology generally with other high-level oxidation technology couplings, various industrial organic wastes can be processed
Water.
Industrial wastewater complicated component, pollutant kind are more, a certain technology is used alone and is extremely difficult to preferably process
Effect, it is impossible to meet higher and higher environmental emission standard requirement, therefore, multinomial technical tie-up research is concerned, existing document
Report ultrasound wave, ozone and ultraviolet cooperating process technique and the device of organic wastewater, and treatment effect has than monotechnics
Improved, but it is not notable；In addition, ozone utilization rate is relatively low, residual ozone emptying also brings along atmosphere polluting problem；The
Three, the effect such as cavitation of ultrasound wave, large losses acoustic energy is also reduced in the thicker external ultrasonic oscillator of reactor wall.By
In the problems referred to above so that the combination treatment method collaboration treatment effeciency is substantially reduced, it is impossible to the real work for playing three kinds of technology couplings
With.
The content of the invention
The invention aims to solve above-mentioned the deficiencies in the prior art, propose that a kind of sound, light, ozone coupling process have
The devices and methods therefor of machine waste water, the method adopt ultrasound oxidation technology, ozone oxidation, ultraviolet oxidation coupling mechanism, interior
Ultrasound wave vibration plate is put, three kinds of high-level oxidation technologies is cooperateed with into the industrial organic waste water for processing high concentration, difficult degradation, and is adopted
Cycle of ozone oxidation technology improves ozone utilization rate, reduces the discharge of ozone, reduces industrial organic waste water processing cost, at raising
Reason effect, ensures that scale wastewater treatment reaches New emission standard requirement, mitigates environmental protection of enterprise pressure, preserve the ecological environment.
The present invention is achieved by the following technical solutions：A kind of sound, light and ozone coupling process the device of organic wastewater,
The device includes：
For adjusting the wastewater equalization pond of pH value of waste water；
It is dense for pre-oxidizing waste water small molecular Organic substance with destruction larger molecular organicses and making the ozone in waste water reach saturation
The ozone pre-oxidation response system of degree；
For ultrasound wave, ozone, ultraviolet optical coupling oxidized waste water, organic concentration in waste water is greatly lowered, depth oxygen is realized
Change the coupling oxidation system for processing waste water target；
Clear water reserviors；
The wastewater equalization pond, ozone pre-oxidation response system, ultrasound wave-ultraviolet light-ozone coupling oxidation system and clear
Pond is sequentially connected setting from left to right.
A kind of method that sound, light and ozone coupling process organic wastewater, the method are comprised the following steps：
1. pH is adjusted between 4-6 with alkali liquor or acid solution after, waste water enters wastewater equalization pond, regulate the waste water of pH in wastewater disposal basin
Ozone pre-oxidation response system is sent into through water pump；
2. ozonator is opened, it is 5g/h-15g/h, the waste water Jing in ozone pre-oxidation response system to adjust ozone generating capacity
After crossing ozone pre-oxidation, ozone reaches saturated concentration, is then pumped into coupling oxidation system；
3., in ozone pre-oxidation response system, remaining ozone enters coupling oxidation system from top vent line, opens
Supersonic generator power supply and uviol lamp power supply so that ozone oxidation, ultrasound oxidation technology and ultraviolet oxidation coupling oxidation processes
Waste water, the time of staying determine that according to water treatment effect waste water passes through Valved discharge to clear water reserviors after reaching treatment effect.
Step 1. in used acid solution nitric acid or 5-20% concentration for 5-20% concentration sulphuric acid, alkali liquor used is
The sodium carbonate of the concentration of the sodium hydroxide or 5-20% of 10-20%.
The technical scheme that the present invention is provided has the advantage that：
（1）, the present invention using ozone, ultraviolet light, ultrasonic wave-coupled Oxidation process organic wastewater, can thoroughly by Organic substance
The toxic organicses of mineralising, especially bio-refractory, significantly increase three kinds of oxidation technology Combined Treatment organic wastewaters
Efficiency.
（2）, the present invention be provided with wastewater equalization pond and ozone pre-oxidation operation in technique front end, ensure that subsequent coupling
The treatment effect of oxidation technology, further lifts treatment effeciency.
（3）, wastewater equalization pond there is the function of Buffer Pool and cistern, can both adjust pH value, it is also possible to adjust waste water
Flow so that subsequent technique amount of inlet water, water stabilization.
（4）, ozone pre-oxidation technique, can decompose and destroy a part of Organic substance so that waste water by ozone concentration saturation, remain
After-odour Oxygen cycle enters coupled reaction pond, advantageously couples oxidation reaction, it is possible to increase ozone utilization rate and reduction ozone discharge
Pollution to air.
（5）, coupling oxidation reaction pond be set to hexagonal prism structure, ultrasound wave vibration plate, energy are installed in the interior survey of six sides
Accelerate ozone mass transfer in liquid phase speed, improve gas-liquid interface energy and mass exchange, reduce acoustic energy loss, improve ultrasonic cavitation
Deng effect, be aided with ultraviolet light, oxidation reaction is participated in so as to produce more holes or hydroxyl radical free radical, improve Organic substance ore deposit
Change ability and efficiency.
（6）, present invention process it is simple, do not produce secondary pollution, it is little to take up an area space, can be installed to workshop and directly locate
Reason technique waste water, it is also possible to be arranged in Sewage Disposal, carry out comprehensive wastewater process.
（7）, present invention process and device adopt ultrasound oxidation technology, photochemical catalytic oxidation, ozone oxidation coupling mechanism, carry
The yield of high strong oxidizing property hydroxyl radical free radical, while utilizing ozone pre-oxidation and cyclic oxidation to act on, improves ozone utilization rate.
Description of the drawings
Fig. 1 is a kind of sound of the invention, light, the technology process flow chart of ozone coupling process organic wastewater.
Fig. 2 is a kind of sound of the invention, light, the schematic device of ozone coupling process organic wastewater.
When Fig. 3 is to process the wastewater from chemical industry of certain dyestuff intermediate manufacturing enterprise discharge using present invention process, waste water chemistry
Oxygen demand is with the changing trend diagram of the different time of staying.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to embodiment of the present invention
It is described in further detail.
As shown in Figure 1：A kind of sound, light and ozone coupling process the device of organic wastewater, and the device includes：
For adjusting the wastewater equalization pond a of pH value of waste water；
It is dense for pre-oxidizing waste water small molecular Organic substance with destruction larger molecular organicses and making the ozone in waste water reach saturation
The ozone pre-oxidation response system b of degree；
For ultrasound wave, ozone, ultraviolet optical coupling oxidized waste water, organic concentration in waste water is greatly lowered, depth oxygen is realized
Change the coupling oxidation system c for processing waste water target；
Clear water reserviors d；
The wastewater equalization pond a, ozone pre-oxidation response system b, ultrasound wave-ultraviolet light-ozone coupling oxidation system c and
Clear water reserviors d is sequentially connected setting from left to right.
A kind of method that sound, light and ozone coupling process organic wastewater, the method are comprised the following steps：
1st, pH is adjusted between 4-6 with alkali liquor or acid solution after waste water enters wastewater equalization pond a, regulate the useless of pH in wastewater disposal basin a
Water sends into ozone pre-oxidation response system b through water pump；
2nd, ozonator is opened, it is 5g/h-15g/h, the waste water Jing in ozone pre-oxidation response system b to adjust ozone generating capacity
After crossing ozone pre-oxidation, ozone reaches saturated concentration, is then pumped into coupling oxidation system c；
3rd, in ozone pre-oxidation response system b, remaining ozone enters coupling oxidation system c from top vent line, opens
Supersonic generator power supply and uviol lamp power supply so that ozone oxidation, ultrasound oxidation technology and ultraviolet oxidation coupling oxidation processes
Waste water, the time of staying determine that according to water treatment effect waste water passes through Valved discharge to clear water reserviors d after reaching treatment effect.
As shown in Figure 2：The wastewater equalization pond a is mainly used in adjusting pH value of waste water, adds from the top of wastewater equalization pond a
Acid solution or alkali liquor, acid solution used are the nitric acid or the sulphuric acid of 5-20% concentration of 5-20% concentration, and alkali liquor used is 10-
The sodium carbonate of 20% sodium hydroxide or the concentration of 5-20%.The left surface upper end of wastewater equalization pond a arranges one first water inlet
Mouth a1, right flank lower end arrange the first outlet a2, and the first outlet a2 is sequentially connected the first valve a3, the first booster pump a4,
The outlet of the first booster pump a4 by pipeline successively with first flowmeter a5, ozone pre-oxidation response system b second water inlet
Mouth b1 connections.
The ozone pre-oxidation response system b is mainly used in pre-oxidation waste water small molecular Organic substance and destruction macromole to be had
Machine thing, and make the ozone in waste water reach saturated concentration；Including ozonator b2 and ozone pre-oxidation retort b3, ozone is sent out
Give birth to the ozonator that device b2 is that commercially available any ozone yield can reach 15g/h, ozone pre-oxidation retort b3
It is the reactor of a sealing, the bottom of ozone pre-oxidation retort b3 is equipped with a first disc type aeration tube b4, ozone generation
Device b2 is sequentially connected the first non-return valve b5, the first disc type aeration tube b4 by pipeline；Stay at the top of ozone pre-oxidation retort b3
There are evacuation port b6, evacuation port b6 to be sequentially connected the second valve b7, gas boosting pump b8, the second non-return valve b9, coupling by pipeline
Oxidation reaction pond c1；The left side upper end of ozone pre-oxidation retort b3 is provided with the second water inlet b1, and the second water inlet b1 passes through
Pipeline is connected with first flowmeter a5, the first booster pump a4 successively.The right side middle and lower part of ozone pre-oxidation retort b3 arranges the
Two outlet b10, the second outlet b10 by pipeline successively with the 3rd valve b11, the second booster pump b12, the 3rd non-return valve
B13 connects.
The coupling oxidation system c is mainly used in ultrasound wave, ozone, ultraviolet optical coupling oxidized waste water, significantly drops
Organic concentration in low waste water, realizes that deep oxidation processes the target of waste water；Occur including coupling oxidation reaction pond c1, ultrasound wave
Device c2, ultrasound wave vibration plate c3, uviol lamp c4, uviol lamp power supply c5 and quartz ampoule c6；The cell body of the coupling oxidation reaction pond c1
C7 is a hexagonal prism, and cell body c7 has six sides, and ultrasound wave vibration plate c3 is installed to the medial surface of cell body c7, ultrasound wave vibration plate
C3 can not be both provided with ultrasound wave vibration plate c3 less than the 1/5 of medial surface area, six sides, and the ultrasound wave vibration plate c3 is by the
One wire c12 is connected with supersonic generator c2；More than the supersonic generator c2 selected frequency 40KHz, power and ultrasound
Commercially available any supersonic generator of the power match of ripple vibration plate；Centrally disposed the one of the coupling oxidation reaction pond c1
Individual quartz ampoule c6, quartz ampoule c6 are the hollow pipes of one end open, and quartz ampoule c6 is fixed by the fixed support c8 at the top of cell body, stone
Upward, uviol lamp c4 insertion quartz ampoule c6 inside cavities are connected the opening of English pipe c6 by the second wire c9 and uviol lamp power supply c5
Connect；The bottom of the coupling oxidation reaction pond c1 is provided with the second disc type aeration tube c12；Coupling oxidation reaction pond c1 cell body
One side of c7 is arranged by the 3rd outlet c10, and clear water reserviors d is connected with the 3rd outlet c10 by pipeline, in the 3rd water outlet
The 4th valve c11 is provided between mouth c10 and clear water reserviors d, the 4th valve c11 is opened, the waste water after process passes through the 3rd water outlet
Mouth c10 enters clear water reserviors d.
It is by taking the chemical wastewater treatment of certain dyestuff intermediate manufacturing enterprise discharge as an example, concrete to introduce wastewater treatment work of the present invention
Skill.The wastewater from chemical industry of certain dyestuff intermediate manufacturing enterprise discharge enters wastewater equalization pond a, with the regulation of acid solution and the alkali liquor waste water
PH is 4.62, is then turned on the first valve a3 and the first booster pump a4, the regulation valve regulation waste water carried with first flowmeter a5
Flow regulates the waste water of pH in 1.0L/min-20.0L/min, wastewater equalization pond a and sends into ozone through the first booster pump a4
Ozone pre-oxidation retort b1 of pre-oxidation system b, opens the power knob b14 of ozonator b2, is sent out by ozone
The flow control valve b15 regulation and control ozone outputs of raw device b2 are 5g/h-15g/h, and the ozone gas of output are by ozone pre-oxidation
The first disc type aeration tube b4 that retort b1 bottom is laid enters ozone pre-oxidation retort b1, and ozone is with waste water in the pre- oxygen of ozone
Change, waste water is in the ozone pre-oxidation retort b1 time of staying
Control opened the 3rd valve b11, the 3rd non-return valve b13 and the second booster pump b12 after -4 hours 2 hours, smelly oxygen-saturated useless
Water is pumped to coupling oxidation reaction pond c1, is then turned on the 3rd valve b11 while the second valve b7 of unlatching, the second non-return valve b9 are gentle
Body booster pump b8, in ozone pre-oxidation retort b1, remaining ozone enters coupling oxidation reaction pond c1 from top evacuation port b6,
Supersonic generator c2 power supplys and uviol lamp power supply c5 is opened, in coupling oxidation reaction pond c1 so that ozone oxidation, ultrasound wave
Oxidation and ultraviolet oxidation couple sewage oxidation treatment, and different time of staying samplings detect the COD of waste water, as a result such as
Shown in Fig. 3, the COD for stopping 1 hour waste water removes 62%, and the COD for stopping 2 hours waste water removes 81.5%,
The COD for stopping 3 hours waste water removes 95.2%, and the COD for stopping 4 hours waste water removes 99.6%, waste water
COD is reduced to 36.4mg/L by 9100mg/L, reaches sewage disposal one-level emission standard A.Waste water reaches treatment effect
Clear water reserviors d is discharged into by the 4th valve c11 afterwards.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (6)
1. a kind of sound, light and ozone coupling process the device of organic wastewater, it is characterised in that the device includes：
For adjusting the wastewater equalization pond of pH value of waste water（a）；
It is dense for pre-oxidizing waste water small molecular Organic substance with destruction larger molecular organicses and making the ozone in waste water reach saturation
The ozone pre-oxidation response system of degree（b）；
For ultrasound wave, ozone, ultraviolet optical coupling oxidized waste water, organic concentration in waste water is greatly lowered, depth oxygen is realized
Change the coupling oxidation system for processing waste water target（c）；
Clear water reserviors（d）；
The wastewater equalization pond（a）, ozone pre-oxidation response system（b）, ultrasound wave-ultraviolet light-ozone coupling oxidation reaction system
System（c）And clear water reserviors（d）Setting is sequentially connected from left to right.
2. a kind of sound according to claim 1, light and ozone coupling process the device of organic wastewater, it is characterised in that：Institute
State wastewater equalization pond（a）Left surface upper end arrange first water inlet（a1）, right flank lower end arranges the first outlet
（a2）, the first outlet（a2）It is sequentially connected the first valve（a3）, the first booster pump（a4）, the first booster pump（a4）Outlet
By pipeline successively with first flowmeter（a5）, ozone pre-oxidation response system（b）The second water inlet（b1）Connection.
3. a kind of sound according to claim 1, light and ozone coupling process the device of organic wastewater, it is characterised in that：Institute
State ozone pre-oxidation response system（b）Including ozonator（b2）With ozone pre-oxidation retort（b3）, the pre- oxygen of the ozone
Change retort（b3）Be one sealing reactor, ozone pre-oxidation retort（b3）Bottom be equipped with a first disc type aeration
Pipe（b4）, ozonator（b2）First non-return valve is sequentially connected by pipeline（b5）, the first disc type aeration tube（b4）；Ozone is pre-
Oxidation reaction tank（b3）Top leave evacuation port（b6）, evacuation port（b6）Second valve is sequentially connected by pipeline（b7）, gas
Body booster pump（b8）, the second non-return valve（b9）, coupling oxidation reaction pond（c1）；The ozone pre-oxidation retort（b3）Left side
Upper end is provided with the second water inlet（b1）, the second water inlet（b1）By pipeline successively with first flowmeter（a5）, first supercharging
Pump（a4）Connection；Ozone pre-oxidation retort（b3）Right side middle and lower part arrange the second outlet（b10）, the second outlet
（b10）By pipeline successively with the 3rd valve（b11）, the second booster pump（b12）, the 3rd non-return valve（b13）Connection.
4. a kind of sound according to claim 1, light and ozone coupling process the device of organic wastewater, it is characterised in that：Institute
State coupling oxidation system（c）Including coupling oxidation reaction pond（c1）, supersonic generator（c2）, ultrasound wave vibration plate（c3）、
Uviol lamp（c4）, uviol lamp power supply（c5）And quartz ampoule（c6）；The coupling oxidation reaction pond（c1）Cell body（c7）It is one
Hexagonal prism, cell body（c7）There are six sides, ultrasound wave vibration plate（c3）It is installed to cell body（c7）Medial surface, ultrasound wave vibration plate
（c3）Can not be less than the 1/5 of medial surface area, six sides are both provided with ultrasound wave vibration plate（c3）, the ultrasound wave vibration plate（c3）
By the first wire（c12）With supersonic generator（c2）Connection；The coupling oxidation reaction pond（c1）Centrally disposed one
Quartz ampoule（c6）, quartz ampoule（c6）It is the hollow pipe of one end open, quartz ampoule（c6）By the fixed support at the top of cell body（c8）
It is fixed, quartz ampoule（c6）Opening upward, uviol lamp（c4）Insertion quartz ampoule（c6）Inside cavity passes through the second wire（c9）
With uviol lamp power supply（c5）Connection；The coupling oxidation reaction pond（c1）Bottom the second disc type aeration tube is installed（c12）, institute
State coupling oxidation reaction pond（c1）Cell body（c7）Side arrange by the 3rd outlet（c10）, clear water reserviors（d）By pipeline
With the 3rd outlet（c10）Connection, in the 3rd outlet（c10）And clear water reserviors（d）Between be provided with the 4th valve（c11）, beat
Open the 4th valve（c11）, the waste water after process is by the 3rd outlet（c10）Enter clear water reserviors（d）.
5. a kind of method that sound, light and ozone coupling process organic wastewater, it is characterised in that：The method is comprised the following steps：
1., waste water enters wastewater equalization pond（a）Afterwards with alkali liquor or acid solution regulation pH between 4-6, wastewater disposal basin（a）In regulate pH
Waste water through water pump send into ozone pre-oxidation response system（b）；
2. ozonator is opened, ozone generating capacity is adjusted for 5g/h-15g/h, ozone pre-oxidation response system（b）Interior is useless
Water ozone after ozone pre-oxidation reaches saturated concentration, is then pumped into coupling oxidation system（c）；
3., ozone pre-oxidation response system（b）Interior remaining ozone enters coupling oxidation system from top vent line
（c）, open supersonic generator power supply and uviol lamp power supply so that the coupling of ozone oxidation, ultrasound oxidation technology and ultraviolet oxidation
Sewage oxidation treatment, the time of staying determine that according to water treatment effect waste water passes through Valved discharge to clearly after reaching treatment effect
Pond（d）.
6. the method that a kind of sound according to claim 5, light and ozone coupling process organic wastewater, it is characterised in that：Step
It is rapid 1. in acid solution used nitric acid or 5-20% concentration for 5-20% concentration sulphuric acid, the hydrogen-oxygen of alkali liquor used for 10-20%
Change the sodium carbonate of the concentration of sodium or 5-20%.
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| CN108658333A (en) * | 2018-06-04 | 2018-10-16 | 大连鑫恒环保科技有限公司 | Efficient ultrasonic ozone enhanced photocatalysis oxidized waste water processing system |
| CN109502857A (en) * | 2017-09-15 | 2019-03-22 | 上海江柘环境工程技术有限公司 | A kind of processing equipment and its processing method of polyvinyl chloride centrifugation mother liquid waste water |
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| CN112520923A (en) * | 2020-12-22 | 2021-03-19 | 广西精典化工新材料有限公司 | Wastewater treatment method for urea-formaldehyde resin and phenolic resin production enterprises |
| CN113003850A (en) * | 2020-11-13 | 2021-06-22 | 四川全息生态环境技术产业有限公司 | Advanced oxidation method and device |
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