CN109179629A - A kind of method of ozone Oxidation Treatment alkaline residue - Google Patents
A kind of method of ozone Oxidation Treatment alkaline residue Download PDFInfo
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- CN109179629A CN109179629A CN201811202130.8A CN201811202130A CN109179629A CN 109179629 A CN109179629 A CN 109179629A CN 201811202130 A CN201811202130 A CN 201811202130A CN 109179629 A CN109179629 A CN 109179629A
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- Prior art keywords
- alkaline residue
- ozone
- treatment fluid
- oxidation treatment
- ozone 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
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
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- 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)
Abstract
The invention discloses a kind of methods of ozone Oxidation Treatment alkaline residue, comprising steps of being passed through alkaline residue, control temperature and pH value；It is passed through ozone, carries out countercurrent reaction；Alkaline residue treatment fluid in part flows back after reaction；The alkaline residue treatment fluid that flows back adsorbs foul smell；Another part alkaline residue treatment fluid is tested and analyzed；It is passed through acid-base accommodation device after analysis and adjusts pH value, then is passed through progress oil removal processing in oil-isolating device；To treated, alkaline residue treatment fluid is monitored analysis again；A kind of method of ozone Oxidation Treatment alkaline residue of the invention has the advantages such as simple process, the biodegradability that process object can be improved, during feeding intake, according to material properties, it is proportionally added into alkaline residue and ozone simultaneously, finally not only reduce the COD in waste water, the biodegradability of alkaline residue is also improved simultaneously, simply and efficiently reaches biochemical sewage influent quality requirement.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of method of ozone Oxidation Treatment alkaline residue.
Background technique
Alkaline residue is the oil plant major pollutants for being listed in National Hazard waste register, is mainly produced by alkali cleaning from petroleum
The impurity such as sulfur compound, phenol, the aphthenic acids that the subtractive processes of product generates and generate.Alkaline residue category high concentration, organic waste difficult to degrade
Water is difficult to sewage if the normal operation of sewage disposal system can be seriously affected by being directly discharged into oil plant composite wastewater Treatment stations
Qualified discharge, and severe corrosion equipment, therefore alkaline residue processing is always to perplex the problem of petrochemical industry.Therefore researcher exists
Constantly seek the processing unit for alkaline residue.
Currently used alkaline residue processing technique has: 1) sulfuric acid neutralisation, which is that a kind of more traditional processing aphthenic acids contains
Measure higher normal one, two, the methods of three line alkaline residues, this method be alkaline residue oil removing, sulfuric acid neutralize, sedimentation separation, upper organic phase water
Aphthenic acids is obtained after washing；2) wet air oxidation, method usually high temperature (150 DEG C~350 DEG C) and high pressure (0.5MPa~
Under the conditions of 20MPa), alkaline residue is sent into oxidation reactor, being passed through oxygen or air is oxidized therein inorganic and organic sulfur
At thiosulfate and sodium sulphate etc., to achieve the purpose that deodorization, while making oxidation operation Cheng Shui and carbon dioxide；3) wet
Formula catalysis oxidation, using pressure (2MPa~8MPa) and temperature (200 DEG C~280 DEG C), by alkaline sewage by being equipped with efficient oxygen
The reactor for changing the catalyst of performance, by the sulfide oxidation in alkaline residue at sulfate, oxidation operation at carbon dioxide and water
Deng；4) resin adsorption.Above method is complicated, treated alkaline residue, is not able to satisfy the requirement of marching into the arena of Love psychology processing.
Summary of the invention
In view of this, the present invention provides a kind of ozone Oxidation Treatment alkaline residues to solve above-mentioned the problems of the prior art
Method, with advantages such as simple process, the biodegradabilities that process object can be improved, during feeding intake, according to material
Matter, while it being proportionally added into alkaline residue and ozone, the COD in waste water is finally not only reduced, while also improving giving birth to for alkaline residue
The property changed, what is be simple and efficient reaches biochemical sewage influent quality requirement.
To achieve the above object, technical scheme is as follows.
A kind of method of ozone Oxidation Treatment alkaline residue, comprising the following steps:
Alkaline residue is continually fed into multifunctional reactor by step 1, while hot steam or cold water is added, add sulfuric acid or
Sodium hydroxide solution controls temperature and pH value in multifunctional reactor；
Ozone is continually fed into multifunctional reactor by step 2, carries out countercurrent reaction with alkaline residue；
Alkaline residue treatment fluid part after step 3, reaction is back in multifunctional reactor by circulator；
Foul smell caused by step 4, the alkaline residue treatment fluid absorption countercurrent reaction to flow back, is flow to multi-functional by gravity principle
Reactor lower part；
Step 5 tests and analyzes another part alkaline residue treatment fluid in step 3；
Another part alkaline residue treatment fluid in step 3 is continued to be passed through acid-base accommodation device and adjusts pH value by step 6, then be passed through every
Oil removal processing is carried out in oily device；
Step 7, to treated, alkaline residue treatment fluid is tested and analyzed.
Further, the temperature of multifunctional reactor is 10~50 DEG C in the step 1, and pH value is 5~12.
Further, alkaline residue flow direction is from top to down in the step 1, and ozone flow direction is in the step 2
From below to up.
Further, the ozone gas in the step 2 by ozone generator generate, gas source be air, oxygen rich air or
Pure oxygen, the concentration of the ozone gas are 50~150g/m3, the gas liquid ratio with alkaline residue is 1:1~50:1.
Further, the reaction time of the countercurrent reaction in the step 2 is more than or equal to 60min.
Further, the pH value that acid-base accommodation device is adjusted in the step 6 is 6~9.
Further, the multifunctional reactor internal upper part is also passed through activated sludge, and the activated sludge is more for absorbing
Remaining foul smell.
Compared with the prior art, a kind of method of ozone Oxidation Treatment alkaline residue of the invention specifically once the utility model has the advantages that
The present invention mainly uses ozone treatment alkali residue waste liquid, and with simple process, giving birth to for process object can be improved
The advantages such as the property changed according to material properties, while being proportionally added into alkaline residue and ozone, finally not only reduce during feeding intake
COD in waste water, while the biodegradability of alkaline residue is also improved, what is be simple and efficient reaches biochemical sewage influent quality requirement.
Detailed description of the invention
Fig. 1 is a kind of process flow chart of the method for ozone Oxidation Treatment alkaline residue of the invention.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with attached drawing and specific embodiment.It may be noted that
It is that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
As shown in Figure 1, a kind of method of ozone Oxidation Treatment alkaline residue, comprising the following steps:
Embodiment 1
1) flue gas desulfurization and denitrification alkaline residue is continuously passed through according to 1L/h from multifunctional reactor middle and upper part, is steamed by the way that heat is added
Vapour or cold water control temperature at 10~50 DEG C, and by addition sulfuric acid or sodium hydroxide solution, maintain Alkali Waste pH Value 5~
Between 12；
2) simultaneously, ozone is continuously passed through according to 150L/h from multifunctional reactor ozone inlet, in multifunctional reactor
In, countercurrent reaction, reaction time 120min are carried out with flue gas desulfurization and denitrification alkaline residue；
3) foul smell generated is adsorbed, the activated sludge being finally passed through again by top by the alkaline residue treatment fluid that upper middle part recycles
It absorbs；
4) 2) the alkaline residue treatment fluid obtained is analyzed, finally measures COD 1820mg/L in filtrate, COD removal rate
It is 79.8%；
5) 2) the alkaline residue treatment fluid obtained is adjusted into pH value to 6~9, is handled using activated sludge, finally measures filter
COD 200mg/L in liquid, COD removal rate are 89.01%, it was demonstrated that alkaline residue treatment fluid can carry out biochemical treatment.
Embodiment 2
1) liquid hydrocarbon alkali residue is continuously passed through according to 1L/h from multifunctional reactor middle and upper part, by the way that hot steam or cold is added
Water controls temperature at 10~50 DEG C, and by addition sulfuric acid or sodium hydroxide solution, maintain Alkali Waste pH Value 5~12 it
Between；
2) simultaneously, ozone is continuously passed through according to 100L/h from multifunctional reactor ozone inlet, in multifunctional reactor
In, countercurrent reaction, reaction time 120min are carried out with liquid hydrocarbon alkali residue；
3) foul smell generated is adsorbed, the activated sludge being finally passed through again by top by the alkaline residue treatment fluid that upper middle part recycles
It absorbs；
4) 2) the alkaline residue treatment fluid obtained is analyzed, finally measures COD 20000mg/L in filtrate, COD removal rate
It is 67.0%；
5) 2) the alkaline residue treatment fluid obtained is adjusted into pH value to 6~9, is handled using activated sludge, finally measures filter
COD 1556mg/L in liquid, COD removal rate are 92.22%, it was demonstrated that alkaline residue treatment fluid can carry out biochemical treatment.
Embodiment 3
1) flue gas desulfurization and denitrification and liquid hydrocarbon mixing alkaline residue are continuously passed through according to 1L/h from multifunctional reactor middle and upper part,
By the way that hot steam or cold water is added, temperature is controlled at 10~50 DEG C, and by addition sulfuric acid or sodium hydroxide solution, maintain alkali
Slag pH value is between 5~12；
2) simultaneously, ozone is continuously passed through according to 100L/h from multifunctional reactor ozone inlet, in multifunctional reactor
In, countercurrent reaction, reaction time 120min are carried out with flue gas desulfurization and denitrification and liquid hydrocarbon mixing alkaline residue；
3) foul smell generated is adsorbed, the activated sludge being finally passed through again by top by the alkaline residue treatment fluid that upper middle part recycles
It absorbs；
4) 2) the alkaline residue treatment fluid obtained is analyzed, finally measures COD 18000mg/L in filtrate, COD removal rate
It is 70.30%；
5) 2) the alkaline residue treatment fluid obtained is adjusted into pH value to 6~9, is handled using activated sludge, finally measures filter
COD 852mg/L in liquid, COD removal rate are 95.27%, it was demonstrated that alkaline residue treatment fluid can carry out biochemical treatment.
In conclusion a kind of method of ozone Oxidation Treatment alkaline residue of the invention, has simple process, processing pair can be improved
The advantages such as the biodegradability of elephant according to material properties, while being proportionally added into alkaline residue and ozone, finally not during feeding intake
It reduced by only the COD in waste water, while also improving the biodegradability of alkaline residue, what is be simple and efficient reaches biochemical sewage influent quality
It is required that.
Claims (7)
1. a kind of method of ozone Oxidation Treatment alkaline residue, which comprises the following steps:
Alkaline residue is continually fed into multifunctional reactor by step 1, while hot steam or cold water is added, and adds sulfuric acid or hydrogen-oxygen
Change sodium solution, controls temperature and pH value in multifunctional reactor；
Ozone is continually fed into multifunctional reactor by step 2, carries out countercurrent reaction with alkaline residue；
Alkaline residue treatment fluid part after step 3, reaction is back in multifunctional reactor by circulator；
Foul smell caused by step 4, the alkaline residue treatment fluid absorption countercurrent reaction to flow back, flow to polyfunctional reactant by gravity principle
Device lower part；
Step 5 tests and analyzes another part alkaline residue treatment fluid in step 3；
Another part alkaline residue treatment fluid in step 3 is continued to be passed through acid-base accommodation device adjusting pH value, then is passed through oil removal dress by step 6
Set middle progress oil removal processing；
Step 7, to treated, alkaline residue treatment fluid is tested and analyzed.
2. a kind of method of ozone Oxidation Treatment alkaline residue according to claim 1, it is characterised in that: more in the step 1
The temperature of functioning reactor is 10~50 DEG C, and pH value is 5~12.
3. a kind of method of ozone Oxidation Treatment alkaline residue according to claim 1, it is characterised in that: alkali in the step 1
Slag flow direction is that from top to down, ozone flow direction is from below to up in the step 2.
4. a kind of method of ozone Oxidation Treatment alkaline residue according to claim 1, it is characterised in that: in the step 2
Ozone gas is generated by ozone generator, and gas source is air, oxygen rich air or pure oxygen, and the concentration of the ozone gas is 50~
150g/m3, the gas liquid ratio with alkaline residue is 1:1~50:1.
5. a kind of method of ozone Oxidation Treatment alkaline residue according to claim 1, it is characterised in that: in the step 2
The reaction time of countercurrent reaction is more than or equal to 60min.
6. a kind of method of ozone Oxidation Treatment alkaline residue according to claim 1, it is characterised in that: sour in the step 6
The pH value that alkali adjuster is adjusted is 6~9.
7. a kind of method of ozone Oxidation Treatment alkaline residue according to claim 1, it is characterised in that: the polyfunctional reactant
Device internal upper part is also passed through activated sludge, and the activated sludge is for absorbing extra foul smell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811202130.8A CN109179629A (en) | 2018-10-16 | 2018-10-16 | A kind of method of ozone Oxidation Treatment alkaline residue |
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| CN201811202130.8A CN109179629A (en) | 2018-10-16 | 2018-10-16 | A kind of method of ozone Oxidation Treatment alkaline residue |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172739A (en) * | 2007-11-16 | 2008-05-07 | 天津莱特化工有限公司 | Alkaline residue processing method |
| CN102452759A (en) * | 2010-10-18 | 2012-05-16 | 新疆大学 | Technology for treating gasoline alkali residues |
| CN104692569A (en) * | 2015-03-28 | 2015-06-10 | 宁夏宝塔石化科技实业发展有限公司 | Method for degrading waste alkaline residues through ozone-light wave catalytic oxidation |
| CN206607132U (en) * | 2017-03-31 | 2017-11-03 | 大连碧水蓝天环保科技工程有限公司 | A kind of processing system of waster water of alkaline residul from oil refinery |
-
2018
- 2018-10-16 CN CN201811202130.8A patent/CN109179629A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172739A (en) * | 2007-11-16 | 2008-05-07 | 天津莱特化工有限公司 | Alkaline residue processing method |
| CN102452759A (en) * | 2010-10-18 | 2012-05-16 | 新疆大学 | Technology for treating gasoline alkali residues |
| CN104692569A (en) * | 2015-03-28 | 2015-06-10 | 宁夏宝塔石化科技实业发展有限公司 | Method for degrading waste alkaline residues through ozone-light wave catalytic oxidation |
| CN206607132U (en) * | 2017-03-31 | 2017-11-03 | 大连碧水蓝天环保科技工程有限公司 | A kind of processing system of waster water of alkaline residul from oil refinery |
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Application publication date: 20190111 |
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