CN108083566A - A kind of High-concentration organic wastewater treatment method - Google Patents
A kind of High-concentration organic wastewater treatment method Download PDFInfo
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- CN108083566A CN108083566A CN201711365560.7A CN201711365560A CN108083566A CN 108083566 A CN108083566 A CN 108083566A CN 201711365560 A CN201711365560 A CN 201711365560A CN 108083566 A CN108083566 A CN 108083566A
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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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of High-concentration organic wastewater treatment methods.COD (COD or CODcr) refers under conditions of certain stringent, and for the reducing substances in water under the action of additional strong oxidizer, by oxygenolysis when consumes the quantity of oxidant, is represented with the mg/L of oxygen.COD reflects the degree polluted in water by reducing substances, these substances include organic matter, nitrite, ferrous salt, sulfide etc., therefore COD can be as a composite target of organic substance relative amount.Through High-concentration organic wastewater treatment method provided by the invention treated water tests prove that COD value be less than 500, obtain preferable purified treatment, reached national standard discharge standard.
Description
Technical field
The present invention relates to the technical field of wastewater treatment, in particular to a kind of High-concentration organic wastewater treatment method.
Background technology
Organic wastewater is generally referred to by the discharge of the industries such as papermaking, leather and food in more than 2000mg/L waste water.These
Containing organic matters such as substantial amounts of carbohydrate, fat, albumen, celluloses in waste water, if directly discharged, serious dirt can be caused
Dye.Organic wastewater can be divided into three categories by its property source：
(1) it is readily biodegradable organic wastewater；
(2) organic matter can degrade, but the waste water to contain hazardous substance；
(3) difficult for biological degradation and harmful organic wastewater.
Organic wastewater water quality characteristics:
1st, organic concentration is high.For COD generally in more than 2000mg/, some is even as high as tens of thousands of or even hundreds of thousands mg/L, phase
For, BOD is relatively low, and the ratio of many waste water BOD and COD is less than 0.3.
2nd, complicated component.Organic substance in water is given up with aromatic compound and heterocyclic compound residence containing toxicant, it is more
Contain sulfide, nitride, heavy metal and toxic organic compound.
3rd, colourity is high, there is peculiar smell.Some waste water give out pungent stench, and harmful effect is caused to ambient enviroment.
4th, there is strong acid and strong base.In the organic wastewater that industry generates, acid, bases are numerous, often with strong acid or highly basic
Property.
5th, organic pollution contained in easily biological-degradable organic wastewater is not complicated, if Cai Huan is by 10 carbon atoms
The delocalization of composition grips key, structure quite stable, it is difficult to degrade altogether.Most BODSC/OD is extremely low in this kind of waste water, biochemical
Difference, and it is toxic to microorganism, it is difficult to it is handled with general biochemical method.
However the step of existing method handles organic wastewater at present, is complicated, of high cost, complex process, long flow path, processing
It is ineffective, it is difficult to effectively reduce the COD value of processed waste water.
The content of the invention
In view of this, the defects of the technical problem to be solved in the present invention is to overcome the prior art provides a kind of highly concentrated
Method for processing organic wastewater is spent, is comprised the following steps：
S1：Pending high concentrated organic wastewater is taken to add in hydrogenperoxide steam generator；
S2：Sodium hydroxide solution is added in the high concentrated organic wastewater after hydrogen peroxide treatment.
In some embodiments, the COD of high concentrated organic wastewater described in the S1 is less than 10000ppm.
In some embodiments, taken in the S1 it is pending high concentrated organic wastewater 60L~90L points 1~10 time to
Wherein add in hydrogenperoxide steam generator；
The concentration of the hydrogenperoxide steam generator is 25%~35%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 100mL~3000mL.
In some embodiments, in the S2 in the high concentrated organic wastewater after hydrogen peroxide treatment point 1~3 time to
Wherein add in sodium hydroxide solution；
The concentration of the sodium hydroxide solution is 10%~30%；
The amount for adding in sodium hydroxide solution every time is 90mL~200mL.
In some embodiments, pending high concentrated organic wastewater is taken to add in the mistake of hydrogenperoxide steam generator in the S1
Ultrasonic vibration is carried out at the same time in journey.
In some embodiments, in the S2 hydroxide is added in the high concentrated organic wastewater after hydrogen peroxide treatment
Ultrasonic vibration is carried out at the same time during sodium solution.
In some embodiments, the frequency of ultrasonic vibration be 20Hz~60Hz, power be more than 300W, ultrasonic vibration when
Between no less than 60min.
In some embodiments, the S1 takes the process of pending high concentrated organic wastewater addition hydrogenperoxide steam generator
In to reaction solution blow air simultaneously.
In some embodiments, the S2 adds in sodium hydroxide in the high concentrated organic wastewater after hydrogen peroxide treatment
During solution air is blowed to reaction solution simultaneously.
In some embodiments, the amount for blowing air is no less than 4L/min.
The processing method of high concentrated organic wastewater provided by the invention has the beneficial effect that：
It is understood that COD (COD or CODcr) refers under conditions of centainly strictly, the reduction in water
For property substance under the action of additional strong oxidizer, by oxygenolysis when consumes the quantity of oxidant, is represented with the mg/L of oxygen.
It is understood that COD reflects the degree polluted in water by reducing substances, these substances include
Organic matter, nitrite, ferrous salt, sulfide etc., but generally the quantity of inorganic reduction substance is relatively little in water and waste water,
And be very universal by organic pollution, therefore, COD can be as a composite target of organic substance relative amount.
High-level oxidation technology refers under general environment temperature and pressure, by generating the hydroxyl with high reaction activity
Free radical (HO) carrys out the processing method of oxidative degradation organic pollution.Hydrogen peroxide (H2O2) it is that a kind of oxidisability is stronger, oxidation
The higher oxidant of reduction potential, organic pollution that can be in direct oxidation water and the organic substance for forming microorganism.Meanwhile mistake
Hydrogen oxide is safe to use, it is easy to prepare, therefore can be used as oxidant.
It is to be appreciated that it is preferred, hydrogen peroxide and flocculant Combined Treatment waste water can also be used, is that waste water is carried out
Advanced oxidation processing.
Furthermore sodium hydroxide is mainly used for adjusting the pH value of high concentrated organic wastewater.High concentrated organic wastewater is in hydrolysis acid
After change, pH value reduces, and the pH value that high concentrated organic wastewater is adjusted in addition sodium hydroxide is recovered to particular range, convenient for follow-up
The processing steps such as aoxidized, settled.
It is to be appreciated that the cavitation effect of ultrasonic wave provides condition for harmful organic substance in degradation water, so that ultrasonic
The realization of ripple sewage disposal purpose.In sewage disposal process, the cavitation of ultrasonic wave has organic matter very strong degradation energy
Power, and degradation speed is quickly, high-energy caused by the collapse of ultrasonic air bubble is enough break chemical bonds, cavitation bubble collapse production
Raw hydroxy (OH) and hydrogen-based (H) occur oxidation reaction with organic matter, can harmful organic substance in water body be transformed into CO2、H2O、
Inorganic ions or the organic matter more degradable than former organic matter small toxicity.
It is to be appreciated that being passed through air into high concentrated organic wastewater, high concentrated organic wastewater can be made in aerobic ring
Sewage disposal is carried out under border.In this process, the pollutant in aerobic bacteria digestion high concentrated organic wastewater.Lead to reaction solution
Enter air, be aerated, aerobic bacteria establishes bacterium colony under aerobic conditions.Should during realize carbon dioxide, water and nitrogen
The oxidation and resolution of organic matter and organic pollution, so as to eliminate the smell of high concentrated organic wastewater and pollution problem.
It is to be appreciated that it is demonstrate,proved through High-concentration organic wastewater treatment method provided by the invention treated sewage through experiment
Bright COD value is less than 500.It follows that COD reflects the degree polluted in water by reducing substances, COD can make
For a composite target of organic substance relative amount, after High-concentration organic wastewater treatment method provided by the invention processing
Water obtain preferable purified treatment, reached national standard discharge standard.
In short, the High-concentration organic wastewater treatment method is easy to operate, more meet demand in actual application, in reality
There is breakthrough meaning in the application of border.
In conclusion High-concentration organic wastewater treatment method provided by the invention has the advantages that above-mentioned many and value,
And there are no similar method in similar product and publish or use and really belong to innovation, generate handy and practical effect
Fruit, more existing technology have effects that the multinomial of enhancement, so as to more be suitable for practicality, and with extensive industrial value.
Specific embodiment
Hereinafter, the disclosure is described more fully in embodiment.The disclosure can have various embodiments, and can be at it
In adjust and change.It should be understood, however, that：There is no the various embodiments of the disclosure are limited to particular implementation disclosed herein
The intention of example, but the disclosure should be interpreted as to covering all tune in the spirit and scope for the various embodiments for falling into the disclosure
Whole, equivalent and/or alternative.
Hereinafter, disclosed in the term " comprising " that can be used in the various embodiments of the disclosure or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as exist
Used in the various embodiments of the disclosure, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number
Word, step, operation, the combination of element, component or foregoing item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or foregoing item combination presence or increase one or more features, number,
Step, operation, element, component or foregoing item combination possibility.
In the various embodiments of the disclosure, stating "or" or " at least one in A or/and B " includes what is listed file names with
Any combinations of word or all combinations.For example, statement " A or B " or " at least one in A or/and B " may include A, may include
B may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element
Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills
It puts and indicates different user device with second user device, although the two is all user apparatus.For example, each of the disclosure is not being departed from
In the case of the scope of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should be noted that：It, can be by the first composition member if a constituent element ' attach ' to another constituent element by description
Part is directly connected to the second constituent element, and " connection " the 3rd can be formed between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that be in the first constituent element
And second the 3rd constituent element is not present between constituent element.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.As used herein, singulative is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, otherwise all terms (including technical term and scientific terminology) used herein have
There is the meaning identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure.The term
(term such as limited in the dictionary generally used) is to be interpreted as having and situational meaning in the related technical field
Identical meaning and the meaning of Utopian meaning or overly formal will be interpreted as having, unless in the various of the disclosure
It is clearly defined in embodiment.
The present invention provides a kind of High-concentration organic wastewater treatment methods, comprise the following steps：
S1：Pending high concentrated organic wastewater is taken to add in hydrogenperoxide steam generator；
S2：Sodium hydroxide solution is added in the high concentrated organic wastewater after hydrogen peroxide treatment.
It is understood that COD (COD or CODcr) refers under conditions of centainly strictly, the reduction in water
For property substance under the action of additional strong oxidizer, by oxygenolysis when consumes the quantity of oxidant, is represented with the mg/L of oxygen.
It is understood that COD reflects the degree polluted in water by reducing substances, these substances include
Organic matter, nitrite, ferrous salt, sulfide etc., but generally the quantity of inorganic reduction substance is relatively little in water and waste water,
And be very universal by organic pollution, therefore, COD can be as a composite target of organic substance relative amount.
High-level oxidation technology refers under general environment temperature and pressure, by generating the hydroxyl with high reaction activity
Free radical (HO) carrys out the processing method of oxidative degradation organic pollution.Hydrogen peroxide (H2O2) it is that a kind of oxidisability is stronger, oxidation
The higher oxidant of reduction potential, organic pollution that can be in direct oxidation water and the organic substance for forming microorganism.Meanwhile mistake
Hydrogen oxide is safe to use, it is easy to prepare, therefore can be used as oxidant.
It is to be appreciated that it is preferred, hydrogen peroxide and flocculant Combined Treatment waste water can also be used, is that waste water is carried out
Advanced oxidation processing.
Furthermore sodium hydroxide is mainly used for adjusting the pH value of high concentrated organic wastewater.High concentrated organic wastewater is in hydrolysis acid
After change, pH value reduces, and the pH value that high concentrated organic wastewater is adjusted in addition sodium hydroxide is recovered to particular range, convenient for follow-up
The processing steps such as aoxidized, settled.
In some embodiments, the COD of high concentrated organic wastewater described in the S1 is less than 10000ppm.
In some embodiments, taken in the S1 it is pending high concentrated organic wastewater 60L~90L points 1~10 time to
Wherein add in hydrogenperoxide steam generator；
The concentration of the hydrogenperoxide steam generator is 25%~35%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 100mL~3000mL.
It is above-mentioned, it is to be understood that hydrogenperoxide steam generator can be added in automatically by the PLC accurate magnetic drive pumps controlled and wait to locate
The high concentrated organic wastewater of reason.
In some embodiments, in the S2 in the high concentrated organic wastewater after hydrogen peroxide treatment point 1~3 time to
Wherein add in sodium hydroxide solution；
The concentration of the sodium hydroxide solution is 10%~30%；
The amount for adding in sodium hydroxide solution every time is 90mL~200mL.
It is above-mentioned, it is to be understood that sodium hydroxide solution can be added in automatically by the PLC accurate magnetic drive pumps controlled and wait to locate
The high concentrated organic wastewater of reason.
It is to be appreciated that PLC is programmable logic controller (PLC), it is using a kind of programmable memory, in the inner
Portion stores program, performs the user oriented instructions such as logical operation, sequential control, timing, counting and arithmetical operation, and passes through number
Word or the various types of machineries of analog pattern input/output control or production process.The accurate magnetic drive pump of PLC controls can be accurate
Control the amount of the sodium hydroxide solution added in or hydrogenperoxide steam generator.
In some embodiments, pending high concentrated organic wastewater is taken to add in the mistake of hydrogenperoxide steam generator in the S1
Ultrasonic vibration is carried out at the same time in journey.
In some embodiments, in the S2 hydroxide is added in the high concentrated organic wastewater after hydrogen peroxide treatment
Ultrasonic vibration is carried out at the same time during sodium solution.
In some embodiments, the frequency of ultrasonic vibration be 20Hz~60Hz, power be more than 300W, ultrasonic vibration when
Between no less than 60min.
It is above-mentioned, it is to be understood that the cavitation effect of ultrasonic wave provides condition for harmful organic substance in degradation water, so that
The realization of ultrasonic wave sewage disposal purpose.In sewage disposal process, the cavitation of ultrasonic wave has organic matter very strong drop
Solution ability, and degradation speed is quickly, high-energy caused by the collapse of ultrasonic air bubble is enough break chemical bonds, and cavitation bubble collapses
It bursts and generates hydroxy (OH) and hydrogen-based (H), oxidation reaction occurs with organic matter, harmful organic substance in water body can be transformed into CO2、
H2O, inorganic ions or the organic matter more degradable than former organic matter small toxicity.
In some embodiments, the S1 takes the process of pending high concentrated organic wastewater addition hydrogenperoxide steam generator
In to reaction solution blow air simultaneously.
In some embodiments, the S2 adds in sodium hydroxide in the high concentrated organic wastewater after hydrogen peroxide treatment
During solution air is blowed to reaction solution simultaneously.
In some embodiments, the amount for blowing air is no less than 4L/min.
It is above-mentioned, it is to be understood that air is passed through into high concentrated organic wastewater, high concentrated organic wastewater can be made aerobic
In the environment of carry out sewage disposal.In this process, the pollutant in aerobic bacteria digestion high concentrated organic wastewater.To reaction
Liquid is passed through air, is aerated, and aerobic bacteria establishes bacterium colony under aerobic conditions.Should during realize carbon dioxide, water and
The oxidation and resolution of the organic matter and organic pollution of nitrogen, so as to eliminate the smell of high concentrated organic wastewater and pollution problem.
In short, the High-concentration organic wastewater treatment method is easy to operate, more meet demand in actual application, in reality
There is breakthrough meaning in the application of border.
In conclusion High-concentration organic wastewater treatment method provided by the invention has the advantages that above-mentioned many and value,
And there are no similar method in similar product and publish or use and really belong to innovation, generate handy and practical effect
Fruit, more existing technology have effects that the multinomial of enhancement, so as to more be suitable for practicality, and with extensive industrial value.
Embodiment 1
A kind of High-concentration organic wastewater treatment method, comprises the following steps：
S1：It is the pending 1 addition hydrogenperoxide steam generator of 60L high concentrated organic wastewaters point of 9000ppm to take COD；
The concentration of the hydrogenperoxide steam generator is 25%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 100mL；
S2：1 property adds in sodium hydroxide solution thereto in the high concentrated organic wastewater after hydrogen peroxide treatment；
The concentration of the sodium hydroxide solution is 10%；
The amount for adding in sodium hydroxide solution is 90mL；
Pending high concentrated organic wastewater is taken to be carried out at the same time ultrasound during adding in hydrogenperoxide steam generator in the S1
Concussion；
It is same during addition sodium hydroxide solution in the high concentrated organic wastewater after hydrogen peroxide treatment in the S2
Shi Jinhang ultrasonic vibrations；
The frequency of ultrasonic vibration is 20Hz, power 500W, the time 80min of ultrasonic vibration；
S1 takes pending high concentrated organic wastewater to blow sky to reaction solution simultaneously during adding in hydrogenperoxide steam generator
Gas；
The S2 is added in during sodium hydroxide solution simultaneously in the high concentrated organic wastewater after hydrogen peroxide treatment
Air is blowed to reaction solution；
The amount for blowing air is 8L/min.
The COD value of water is 300 after processing.
Embodiment 2
A kind of High-concentration organic wastewater treatment method, comprises the following steps：
S1：It is the pending 10 addition hydrogenperoxide steam generators of 60L high concentrated organic wastewaters point of 6000ppm to take COD；
The concentration of the hydrogenperoxide steam generator is 35%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 3000mL；
S2：Divide 3 times in the high concentrated organic wastewater after hydrogen peroxide treatment and add in sodium hydroxide solution thereto；
The concentration of the sodium hydroxide solution is 30%；
The amount for adding in sodium hydroxide solution is 200mL；
Pending high concentrated organic wastewater is taken to be carried out at the same time ultrasound during adding in hydrogenperoxide steam generator in the S1
Concussion；
It is same during addition sodium hydroxide solution in the high concentrated organic wastewater after hydrogen peroxide treatment in the S2
Shi Jinhang ultrasonic vibrations；
The frequency of ultrasonic vibration is 60Hz, power 1000W, the time 100min of ultrasonic vibration；
S1 takes pending high concentrated organic wastewater to blow sky to reaction solution simultaneously during adding in hydrogenperoxide steam generator
Gas；
The S2 is added in during sodium hydroxide solution simultaneously in the high concentrated organic wastewater after hydrogen peroxide treatment
Air is blowed to reaction solution；
The amount for blowing air is 10L/min.
The COD value of water is 100 after processing.
Embodiment 3
A kind of High-concentration organic wastewater treatment method, comprises the following steps：
S1：It is the pending 8 addition hydrogenperoxide steam generators of 90L high concentrated organic wastewaters point of 8000ppm to take COD；
The concentration of the hydrogenperoxide steam generator is 30%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 2000mL；
S2：Divide 2 times in the high concentrated organic wastewater after hydrogen peroxide treatment and add in sodium hydroxide solution thereto；
The concentration of the sodium hydroxide solution is 20%；
The amount for adding in sodium hydroxide solution is 150mL；
Pending high concentrated organic wastewater is taken to be carried out at the same time ultrasound during adding in hydrogenperoxide steam generator in the S1
Concussion；
It is same during addition sodium hydroxide solution in the high concentrated organic wastewater after hydrogen peroxide treatment in the S2
Shi Jinhang ultrasonic vibrations；
The frequency of ultrasonic vibration is 40Hz, power 800W, the time 120min of ultrasonic vibration；
S1 takes pending high concentrated organic wastewater to blow sky to reaction solution simultaneously during adding in hydrogenperoxide steam generator
Gas；
The S2 is added in during sodium hydroxide solution simultaneously in the high concentrated organic wastewater after hydrogen peroxide treatment
Air is blowed to reaction solution；
The amount for blowing air is 12L/min.
The COD value of water is 200 after processing.
Embodiment 4
A kind of High-concentration organic wastewater treatment method, comprises the following steps：
S1：It is the pending 6 addition hydrogenperoxide steam generators of 70L high concentrated organic wastewaters point of 10000ppm to take COD；
The concentration of the hydrogenperoxide steam generator is 30%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 300mL；
S2：Divide 3 times in the high concentrated organic wastewater after hydrogen peroxide treatment and add in sodium hydroxide solution thereto；
The concentration of the sodium hydroxide solution is 15%；
The amount for adding in sodium hydroxide solution is 100mL；
Pending high concentrated organic wastewater is taken to be carried out at the same time ultrasound during adding in hydrogenperoxide steam generator in the S1
Concussion；
It is same during addition sodium hydroxide solution in the high concentrated organic wastewater after hydrogen peroxide treatment in the S2
Shi Jinhang ultrasonic vibrations；
The frequency of ultrasonic vibration is 60Hz, power 900W, the time 150min of ultrasonic vibration；
S1 takes pending high concentrated organic wastewater to blow sky to reaction solution simultaneously during adding in hydrogenperoxide steam generator
Gas；
The S2 is added in during sodium hydroxide solution simultaneously in the high concentrated organic wastewater after hydrogen peroxide treatment
Air is blowed to reaction solution；
The amount for blowing air is 6L/min.
The COD value of water is 250 after processing.
Embodiment 5
A kind of High-concentration organic wastewater treatment method, comprises the following steps：
S1：It is the pending 5 addition hydrogenperoxide steam generators of 90L high concentrated organic wastewaters point of 10000ppm to take COD；
The concentration of the hydrogenperoxide steam generator is 28%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 500mL；
S2：Divide 3 times in the high concentrated organic wastewater after hydrogen peroxide treatment and add in sodium hydroxide solution thereto；
The concentration of the sodium hydroxide solution is 10%；
The amount for adding in sodium hydroxide solution is 180mL；
Pending high concentrated organic wastewater is taken to be carried out at the same time ultrasound during adding in hydrogenperoxide steam generator in the S1
Concussion；
It is same during addition sodium hydroxide solution in the high concentrated organic wastewater after hydrogen peroxide treatment in the S2
Shi Jinhang ultrasonic vibrations；
The frequency of ultrasonic vibration is 35Hz, power 500W, the time 100min of ultrasonic vibration；
S1 takes pending high concentrated organic wastewater to blow sky to reaction solution simultaneously during adding in hydrogenperoxide steam generator
Gas；
The S2 is added in during sodium hydroxide solution simultaneously in the high concentrated organic wastewater after hydrogen peroxide treatment
Air is blowed to reaction solution；
The amount for blowing air is 7L/min.
The COD value of water is 200 after processing.
Claims (10)
1. a kind of High-concentration organic wastewater treatment method, it is characterised in that：Comprise the following steps：
S1：Pending high concentrated organic wastewater is taken to add in hydrogenperoxide steam generator；
S2：Sodium hydroxide solution is added in the high concentrated organic wastewater after hydrogen peroxide treatment.
2. High-concentration organic wastewater treatment method as described in claim 1, it is characterised in that：
The COD of high concentrated organic wastewater described in the S1 is less than 10000ppm.
3. High-concentration organic wastewater treatment method as claimed in claim 2, it is characterised in that：Pending height is taken in the S1
Concentration organic wastewater 60L~90L divides 1~10 time adds in hydrogenperoxide steam generator thereto；
The concentration of the hydrogenperoxide steam generator is 25%~35%；
The scope for adding in the amount of hydrogenperoxide steam generator every time is 100mL~3000mL.
4. High-concentration organic wastewater treatment method as claimed in claim 3, it is characterised in that：In the S2 at hydrogen peroxide
Divide 1~3 time in high concentrated organic wastewater after reason and add in sodium hydroxide solution thereto；
The concentration of the sodium hydroxide solution is 10%~30%；
The amount for adding in sodium hydroxide solution every time is 90mL~200mL.
5. High-concentration organic wastewater treatment method as described in claim 1, it is characterised in that：
Pending high concentrated organic wastewater is taken to be carried out at the same time ultrasonic vibration during adding in hydrogenperoxide steam generator in the S1.
6. High-concentration organic wastewater treatment method as claimed in claim 5, it is characterised in that：
In the S2 in the high concentrated organic wastewater after hydrogen peroxide treatment add in sodium hydroxide solution during simultaneously into
Row ultrasonic vibration.
7. such as High-concentration organic wastewater treatment method described in claim 5 or 6, it is characterised in that：The frequency of ultrasonic vibration is
20Hz~60Hz, power are more than 300W, and the time of ultrasonic vibration is no less than 60min.
8. High-concentration organic wastewater treatment method as described in claim 1, it is characterised in that：The S1 takes pending highly concentrated
Degree organic wastewater blows air to reaction solution simultaneously during adding in hydrogenperoxide steam generator.
9. High-concentration organic wastewater treatment method as claimed in claim 8, it is characterised in that：The S2 is in hydrogen peroxide treatment
During sodium hydroxide solution is added in high concentrated organic wastewater afterwards air is blowed to reaction solution simultaneously.
10. High-concentration organic wastewater treatment method as claimed in claim 8 or 9, it is characterised in that：The amount for blowing air is many
In 4L/min.
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