CN108658291A - A method of it reducing o-ethoxyphenol and produces Determination of Volatile Phenol in Refinery Wastewater content - Google Patents
A method of it reducing o-ethoxyphenol and produces Determination of Volatile Phenol in Refinery Wastewater content Download PDFInfo
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- CN108658291A CN108658291A CN201810496047.XA CN201810496047A CN108658291A CN 108658291 A CN108658291 A CN 108658291A CN 201810496047 A CN201810496047 A CN 201810496047A CN 108658291 A CN108658291 A CN 108658291A
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- Prior art keywords
- ethoxyphenol
- waste water
- aeration
- volatile phenol
- aerator
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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
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
-
- 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
-
- 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
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
Abstract
The invention discloses a kind of methods that reduction o-ethoxyphenol produces Determination of Volatile Phenol in Refinery Wastewater content, include the following steps：S100：By aerator waste water air-blowing is produced to o-ethoxyphenol；S200：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, pH value is adjusted to 2~4；S300：The aeration valve of aerator is adjusted, carries out micro- aeration 8~10 hours；S400:The oxidant of weight ratio 0.1%~1% is added in o-ethoxyphenol produces waste water；S500：It is that o-ethoxyphenol production waste water carries out aeration 5~10 minutes by aerator；S600：O-ethoxyphenol production waste water is stood 3~4 hours；S700：Aerating wastewater is produced 6~10 hours to o-ethoxyphenol by aerator, the activated carbon of weight ratio 2%~7% is added in aeration process into waste water.The method raw material of the present invention is easy to get, and technical process is simple and easy to control, and volatile phenol removal rate is high, easily realizes waste water scale processing.
Description
Technical field
The present invention relates to a kind of methods that reduction o-ethoxyphenol produces Determination of Volatile Phenol in Refinery Wastewater content, belong to industrial wastewater
Processing technology field.
Background technology
O-ethoxyphenol (o-Ethoxyphenol) is colourless to flaxen transparency liquid, is used as the raw material of fragrance,
For synthesizing Ethyl vanillin and eugenol, which also serves as the raw material of synthesis medicine for food, cosmetics.
The primary synthetic methods of o-ethoxyphenol have o-phenetidine method, catechol method.Wherein catechol method
Middle catechol, chloroethanes method are that catechol and chloroethanes carry out O- ethylation reactions under the action of phase transfer catalyst,
Again finished product o-ethoxyphenol is obtained through extraction, rectification under vacuum.This method product yield is high, at low cost, flow is short.It has been at present
Main Trends of The Development is the preferred process route of current synthesis o-ethoxyphenol.But the waste water that this technique generates is more, waves
It is bad to send out high phenol content, COD contents height, Biochemical Treatment.Contain a large amount of tar in waste water, handles suffering.In waste water also
It is very big to the contribution of fugitive constituent containing organic matters such as catechol, o-ethoxyphenols.O-ethoxyphenol produces waste water,
It is designated as 0.05-0.15% outside middle o-ethoxyphenol；It is designated as 0.3-0.8%, volatile phenol 350mg/L- outside catechol
450mg/L。
Volatile phenol refers to boiling point in 230 DEG C of noxious materials below, primary pollution source be gas washing, coking, synthesis ammonia,
The industrial wastewater of papermaking, wood preservation and chemical industry.The boiling point of o-ethoxyphenol is 216 DEG C (normal pressures)；Catechol boils
Point is about 245.5 DEG C (normal pressures).So according to definition, o-ethoxyphenol belongs to volatile phenol；Catechol is not belonging to volatile phenol,
But catechol contributes volatile phenol in detection process.
Invention content
The object of the present invention is to provide it is a kind of reduction o-ethoxyphenol produce Determination of Volatile Phenol in Refinery Wastewater content method,
The method raw material is easy to get, and technical process is simple and easy to control, and volatile phenol removal rate is high, easily realizes waste water scale processing.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A method of it reducing o-ethoxyphenol and produces Determination of Volatile Phenol in Refinery Wastewater content, include the following steps：S100：Pass through
Aerator produces waste water air-blowing to o-ethoxyphenol；S200：Sulfuric acid solution is added in o-ethoxyphenol produces waste water,
PH value is adjusted to 2~4；S300：The aeration valve of aerator is adjusted, carries out micro- aeration 8~10 hours；S400:In adjacent ethyoxyl
The oxidant of weight ratio 0.1%~1% is added in phenol production waste water；S500：It is given birth to for o-ethoxyphenol by aerator
Production waste water carries out aeration 5~10 minutes；S600：O-ethoxyphenol production waste water is stood 3~4 hours；S700：Pass through aeration
Device produces aerating wastewater 6~10 hours to o-ethoxyphenol, and weight ratio 2%~7% is added in aeration process into waste water
Activated carbon.Wherein, micro- aeration refers to limited aeration, belongs to the common knowledge of this field.
In a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content above-mentioned, in the step S400
Further include following methods：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, pH value is adjusted to 2~4.
In a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content above-mentioned, in the step S700
Further include following methods：By o-ethoxyphenol production waste water temperature control at 25 DEG C~50 DEG C.
In a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content above-mentioned, in the step S200
Sulfuric acid solution concentration is 50%, and micro- aeration time is 10 hours.
In a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content above-mentioned, in the step S400
Oxidant is hydrogen peroxide, sodium hypochlorite or potassium permanganate.
In a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content above-mentioned, in the step S700
Activated carbon is coaly activated carbon or wood activated charcoal；The grain size of activated carbon：0.5~5mm, 1000~1300mg/g of iodine sorption value,
Packed density is 0.40~0.48cm3/g.The activated carbon of not every type is effective to the fugitive constituent reduction of this waste water, this
This kind of activated carbon that invention provides can work.Also, activated carbon can be reused, and oxidant is few with activated carbon dosage, cost
It is low.
Compared with prior art, the method raw material of the present invention is easy to get, and technical process is simple and easy to control, volatile phenol removal rate
Height easily realizes waste water scale processing.It is reduced in such a way that oxidation is combined with activated carbon in o-ethoxyphenol production waste water
Volatile phenol.It is 2-30mg/L, removal rate 81.2-97.8% according to volatile phenol after this process.It is adjacent in processed waste water
Thanatol external standard is less than 0.001%；Catechol content is less than 0.01%.
Description of the drawings
Fig. 1 is the structural formula figure of o-ethoxyphenol.
Specific implementation mode
The embodiment of the present invention 1：A method of reduction o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content, including with
Lower step：
S100：By aerator waste water air-blowing is produced to o-ethoxyphenol；
S200：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, pH value is adjusted to 2；In the step S200
Sulfuric acid solution concentration is 50%, and micro- aeration time is 10 hours.Its purpose is exactly that tar is precipitated, and tar is only in acidic environment
It can largely be precipitated；The purpose of aeration is uniformly mixed.It is also to have the function that reduce COD and volatile phenol to remove tar removing.
S300：The aeration valve of aerator is adjusted, carries out micro- aeration 8 hours；Wherein, the work of step S200 and step S300
With the tar for being removal surface, the mainly higher substance of boiling point.Main purpose is tar removing, and otherwise tar can influence the later stage
Treatment effect.
S400:The oxidant of weight ratio 0.1% is added in o-ethoxyphenol produces waste water；It is given birth in o-ethoxyphenol
Sulfuric acid solution is added in production waste water, pH value is adjusted to 2, oxidant is hydrogen peroxide.Oxidant only can just be acted as in acidic environment
With purpose is also to reduce volatile phenol.
S500：It is that o-ethoxyphenol production waste water carries out aeration 5 minutes by aerator；
S600：O-ethoxyphenol production waste water is stood 3 hours；
S700：Aerating wastewater is produced 6 hours to o-ethoxyphenol by aerator, is added into waste water in aeration process
Enter the activated carbon of weight ratio 2%.By o-ethoxyphenol production waste water temperature control at 25 DEG C.Activated carbon is coaly activated carbon；
The grain size of activated carbon：0.5mm, iodine sorption value 1000mg/g, packed density 0.40cm3/g.It is also the purpose for reducing volatile phenol,
O-ethoxyphenol can be adsorbed onto on activated carbon by activated carbon, to reduce volatile phenol.
O-ethoxyphenol production waste water is handled using the present embodiment the method, volatile phenol is 2mg/ after processing
L, removal rate 97.8%.O-ethoxyphenol external standard is less than 0.001% in processed waste water；Catechol content is less than
0.01%.
Embodiment 2：A method of it reducing o-ethoxyphenol and produces Determination of Volatile Phenol in Refinery Wastewater content, include the following steps：
S100：By aerator waste water air-blowing is produced to o-ethoxyphenol；
S200：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, pH value is adjusted to 4；In the step S200
Sulfuric acid solution concentration is 50%, and micro- aeration time is 10 hours.
S300：The aeration valve of aerator is adjusted, carries out micro- aeration 10 hours；Wherein, step S200 and step S300
Effect is to remove the tar on surface, the mainly higher substance of boiling point.Main purpose is tar removing, after otherwise tar can influence
Phase treatment effect.
S400:The oxidant of weight ratio 1% is added in o-ethoxyphenol produces waste water；It is produced in o-ethoxyphenol
Sulfuric acid solution is added in waste water, pH value is adjusted to 4, sodium hypochlorite.
S500：It is that o-ethoxyphenol production waste water carries out aeration 10 minutes by aerator；
S600：O-ethoxyphenol production waste water is stood 4 hours；
S700：Aerating wastewater is produced 10 hours to o-ethoxyphenol by aerator, in aeration process into waste water
The activated carbon of weight ratio 7% is added.By o-ethoxyphenol production waste water temperature control at 50 DEG C.Activated carbon is wooden activity
Charcoal；The grain size of activated carbon：5mm, iodine sorption value 1300mg/g, packed density 0.48cm3/g。
O-ethoxyphenol production waste water is handled using the present embodiment the method, volatile phenol is after processing
30mg/L, removal rate 81.2%.O-ethoxyphenol external standard is less than 0.001% in processed waste water；Catechol content is low
In 0.01%.
Embodiment 3：A method of it reducing o-ethoxyphenol and produces Determination of Volatile Phenol in Refinery Wastewater content, include the following steps：
S100：By aerator waste water air-blowing is produced to o-ethoxyphenol；
S200：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, pH value is adjusted to 3；In the step S200
Sulfuric acid solution concentration is 50%, and micro- aeration time is 10 hours.
S300：The aeration valve of aerator is adjusted, carries out micro- aeration 9 hours；Wherein, the work of step S200 and step S300
With the tar for being removal surface, the mainly higher substance of boiling point.Main purpose is tar removing, and otherwise tar can influence the later stage
Treatment effect.
S400:The oxidant of weight ratio 0.7% is added in o-ethoxyphenol produces waste water；It is given birth in o-ethoxyphenol
Sulfuric acid solution is added in production waste water, pH value is adjusted to 3, oxidant is hydrogen peroxide, sodium hypochlorite or potassium permanganate.
S500：It is that o-ethoxyphenol production waste water carries out aeration 6 minutes by aerator；
S600：O-ethoxyphenol production waste water is stood 3 hours；
S700：Aerating wastewater is produced 8 hours to o-ethoxyphenol by aerator, is added into waste water in aeration process
Enter the activated carbon of weight ratio 57%.By o-ethoxyphenol production waste water temperature control at 35 DEG C.Activated carbon is wood activated charcoal；
The grain size of activated carbon：5mm, iodine sorption value 1100mg/g, packed density 0.45cm3/g。
O-ethoxyphenol production waste water is handled using the present embodiment the method, volatile phenol is after processing
16mg/L, removal rate 91.3%.O-ethoxyphenol external standard is less than 0.001% in processed waste water；Catechol content is low
In 0.01%.
Claims (6)
1. a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content, which is characterized in that include the following steps：
S100：By aerator waste water air-blowing is produced to o-ethoxyphenol；
S200：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, pH value is adjusted to 2~4；
S300：The aeration valve of aerator is adjusted, carries out micro- aeration 8~10 hours；
S400：The oxidant of weight ratio 0.1%~1% is added in o-ethoxyphenol produces waste water；
S500：It is that o-ethoxyphenol production waste water carries out aeration 5~10 minutes by aerator；
S600：O-ethoxyphenol production waste water is stood 3~4 hours；
S700：Aerating wastewater is produced 6~10 hours to o-ethoxyphenol by aerator, is added into waste water in aeration process
Enter the activated carbon of weight ratio 2%~7%.
2. a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content according to claim 1, special
Sign is, further includes following methods in the step S400：Sulfuric acid solution is added in o-ethoxyphenol produces waste water, by PH
Value is adjusted to 2~4.
3. a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content according to claim 1, special
Sign is, further includes following methods in the step S700：By o-ethoxyphenol production waste water temperature control 25 DEG C~50
℃。
4. a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content according to claim 1, special
Sign is that sulfuric acid solution concentration is 50% in the step S200, and micro- aeration time is 10 hours.
5. a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content according to claim 1, special
Sign is that oxidant is hydrogen peroxide, sodium hypochlorite or potassium permanganate in the step S400.
6. a kind of method reducing o-ethoxyphenol production Determination of Volatile Phenol in Refinery Wastewater content according to claim 1, special
Sign is that activated carbon is coaly activated carbon or wood activated charcoal in the step S700；The grain size of activated carbon：0.5~5mm, iodine
1000~1300mg/g of adsorptive value, packed density are 0.40~0.48cm3/g。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559957A (en) * | 2020-05-27 | 2020-08-21 | 无锡中天固废处置有限公司 | Method for preparing colorless isopropanol from organic cleaning waste liquid of electronic factory |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04247284A (en) * | 1991-02-01 | 1992-09-03 | Nkk Corp | Treatment of ammonia liquor |
| CN203173917U (en) * | 2013-01-25 | 2013-09-04 | 深圳力合环保技术有限公司 | Coking waste water coal tar treatment equipment |
| CN203173936U (en) * | 2013-01-25 | 2013-09-04 | 深圳力合环保技术有限公司 | Coking waste water oxidation and biochemical treatment equipment |
| CN203173900U (en) * | 2013-01-25 | 2013-09-04 | 深圳力合环保技术有限公司 | Coking waste water deep treatment equipment |
| CN104926028A (en) * | 2015-05-27 | 2015-09-23 | 张世文 | Comprehensive utilization and treatment recycling method for semi-coke wastewater resources |
-
2018
- 2018-05-22 CN CN201810496047.XA patent/CN108658291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04247284A (en) * | 1991-02-01 | 1992-09-03 | Nkk Corp | Treatment of ammonia liquor |
| CN203173917U (en) * | 2013-01-25 | 2013-09-04 | 深圳力合环保技术有限公司 | Coking waste water coal tar treatment equipment |
| CN203173936U (en) * | 2013-01-25 | 2013-09-04 | 深圳力合环保技术有限公司 | Coking waste water oxidation and biochemical treatment equipment |
| CN203173900U (en) * | 2013-01-25 | 2013-09-04 | 深圳力合环保技术有限公司 | Coking waste water deep treatment equipment |
| CN104926028A (en) * | 2015-05-27 | 2015-09-23 | 张世文 | Comprehensive utilization and treatment recycling method for semi-coke wastewater resources |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559957A (en) * | 2020-05-27 | 2020-08-21 | 无锡中天固废处置有限公司 | Method for preparing colorless isopropanol from organic cleaning waste liquid of electronic factory |
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Application publication date: 20181016 |