CN103665394A - Method for preparing emulsified residual oil by using cyclohexanone wastewater - Google Patents
Method for preparing emulsified residual oil by using cyclohexanone wastewater Download PDFInfo
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- CN103665394A CN103665394A CN201210359054.8A CN201210359054A CN103665394A CN 103665394 A CN103665394 A CN 103665394A CN 201210359054 A CN201210359054 A CN 201210359054A CN 103665394 A CN103665394 A CN 103665394A
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- cyclohexanone
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Abstract
The invention discloses a method for preparing emulsified residual oil by using cyclohexanone wastewater, relates to the field of a preparation method of an oil emulsion, and particularly relates to a method for preparing emulsified residual oil by using cyclohexanone wastewater. The method comprises the following steps: adding an emulsifier and a stabilizer to the cyclohexanone wastewater; stirring and dissolving the obtained water solution and keeping warm; heating the residual oil to melt; evenly adding the water solution to the molten residual oil; stirring to obtain the emulsified residual oil. The method disclosed by the invention has the advantages that the wastewater is utilized as raw water for preparing the emulsified residual oil, so that use of clean water is saved; meanwhile, the wastewater is used as a raw material, so as to play a role of transforming the waste into treasure.
Description
Technical field:
The present invention relates to the preparation method field of petroleum emulsification liquid, be specifically related to a kind of method of preparing Emulsion Resid of utilizing Cyclohexanone Waste Water.
Background technology:
Chemical industry is the conventional column industry of China, and industrial chemicals and the product of production are widely used in every field.Chemical industry is again the industry of high pollution, and the waste water producing usually contains the organic pollutant of high density, is difficult to by common method of wastewater treatment as biochemical treatment, and film processing etc. reaches qualified discharge.
The features such as the waste water that pimelinketone device produces is the organic pollutant of difficult degradation mostly, and it is large that this waste water has the water yield, and organic pollutant colourity is dark, complicated component, degradability are poor, belong to unmanageable trade effluent.It is example that produced trade effluent should install in Yi Mou chemical company, and the pH of waste water is 11 left and right, COD
crbe 1000 ~ 20000mg/L, colourity is up to more than 2000 times, the organism hard degradation containing in waste water.
Petrochemical industry generally can obtain about 40% residual oil in the process of processing crude oil, and the overwhelming majority is to use as fuel.But because residual oil viscosity is large, asphalt content is high, causes incomplete combustion, the by product that burning generates also pollutes the environment.Residual oil is made to Emulsion Resid and can effectively improve oil gasification rate, make its burning completely.Patent " emulsification method of vacuum residuum " (application number 98125094.7) has been introduced a kind of emulsification method of residual oil, by vacuum residuum, water and the emulsifying agent that contains sulfonated petro-leum formaldehyde condensation products are mixed and made into Emulsion Resid, the method cost is low, and stability also meets service requirements.Above-mentioned patent is to utilize clear water to prepare Emulsion Resid, yet utilize wastewater from chemical industry to prepare Emulsion Resid, does not also meet report.
" a kind of preparation research of residual oil emulsified fuel oil " (Li Shanjian, Li Qianding, Li Tiansheng, Chemical Engineering Technology and exploitation, 2008,37,18-21) reported a kind of preparation method of Emulsion Resid, this research is mainly optimized the formula of emulsifying agent and technique, and institute's water is ortho-water.
Summary of the invention:
The shortcoming existing for prior art, the object of the present invention is to provide a kind of method of utilizing Cyclohexanone Waste Water to prepare Emulsion Resid, to avoid Cyclohexanone Waste Water discharge to the environment produced pollution.
For realizing above target, the technical scheme that the present invention takes, is characterized in that comprising the steps:
1) in Cyclohexanone Waste Water, add emulsifying agent and stablizer, by the aqueous solution stirring and dissolving obtaining, and be heated to 70 ~ 80
oc insulation, described Cyclohexanone Waste Water, emulsifying agent, the mass ratio of stablizer is 10 ~ 30:0.1 ~ 5:0.003 ~ 0.05;
2) take the residual oil that the mass ratio with above-mentioned Cyclohexanone Waste Water is 70 ~ 90, be heated to 120 ~ 150
oc, makes residual oil fusing, is then placed at the temperature identical with the holding temperature of the described aqueous solution and is incubated;
3) under described holding temperature and high-speed stirring condition, the described aqueous solution is evenly joined in the residual oil of described fusing, stir 5 ~ 15min and can obtain Emulsion Resid.
Wherein, the pH of described Cyclohexanone Waste Water is that 9 ~ 13, COD is 1000 ~ 20000mg/L, and main organic composition is pimelinketone, organic acid.
On the basis of technique scheme, emulsifying agent is the mixture of alkylphenol polyoxyethylene (OP-10) or alkylphenol polyoxyethylene (OP-10) and following one or more emulsifying agents: sodium lauryl sulphate, sodium polystyrene sulfonate, tween 80;
On the basis of technique scheme, stablizer is one or more mixture of polyacrylamide (1630s) or Walocel MT 20.000PV, polyvinyl alcohol and water glass.
The advantage of the inventive method is to utilize waste water as the former water of preparing Emulsion Resid, and the use of both having saved clear water, simultaneously using waste water as raw material, plays the effect of turning waste into wealth.
The present invention efficiently solves the discharge of this type of wastewater from chemical industry and administers a difficult problem, has reduced the pollution of organic waste water to environment, has obvious economic and social benefit.
Accompanying drawing explanation:
Fig. 1 utilizes Cyclohexanone Waste Water to prepare the schema of Emulsion Resid.
Specific implementation method:
In Cyclohexanone Waste Water, contain a large amount of organism, its feature is as shown in the table:
| Wastewater source | Cyclohexanone Waste Water |
| pH | 9~13 |
| COD(mg/L) | 1000~20000 |
| Main organic composition | Pimelinketone, organic acid |
Compare with patent " emulsification method of vacuum residuum " (application number 98125094.7), the present invention utilizes Cyclohexanone Waste Water as water, adopt emulsifying agent alkylphenol polyoxyethylene (OP-10) and stablizer polyacrylamide (1630s) to prepare Emulsion Resid, and preparation condition is optimized, accomplished utilization of waste material.
For Cyclohexanone Waste Water, it is prepared to Emulsion Resid as raw material.Described Emulsion Resid, its raw material in mass, is filled a prescription as follows:
1. 10 ~ 30 parts of Cyclohexanone Waste Water that contain following the 2nd, 3 class components;
2. alkylphenol polyoxyethylene (OP-10) is 0.1 ~ 5 part;
3. polyacrylamide (1630s) is 0.003 ~ 0.05 part;
4. residual oil is 70 ~ 90 parts
According to formula feature, emulsifying agent, except being alkylphenol polyoxyethylene (OP-10), can also be the mixture of alkylphenol polyoxyethylene (OP-10) and following one or more emulsifying agents: as sodium lauryl sulphate, sodium polystyrene sulfonate, tween 80;
Stablizer is except being polyacrylamide (1630s), can also be following one or more: Walocel MT 20.000PV, polyvinyl alcohol, water glass.
The concrete technical scheme of the method for the invention is:
Step 1: take pH and be 9 ~ 13 10 ~ 30 parts of Cyclohexanone Waste Water (mass ratio), add the emulsifying agent alkylphenol polyoxyethylene (OP-10) of 0.1 ~ 5 part, the stablizer polyacrylamide (1630s) of 0.003 ~ 0.05 part to obtain the aqueous solution of emulsifying agent, stirring and dissolving, and be heated to 70 ~ 80
oc insulation;
Step 2: take 70 ~ 90 parts, residual oil, be heated to 120 ~ 150
oc make its fusing, then with the synthermal lower insulation of above-mentioned solution phase;
Step 3: under said temperature and high-speed stirring condition, the aqueous solution of emulsifying agent is evenly joined in residual oil, stir 5 ~ 15min and can obtain Emulsion Resid.
On the basis of technique scheme, emulsifying agent, except being alkylphenol polyoxyethylene (OP-10), can also be the mixture of alkylphenol polyoxyethylene (OP-10) and following one or more emulsifying agents: as sodium lauryl sulphate, sodium polystyrene sulfonate, tween 80;
On the basis of technique scheme, stablizer is except being polyacrylamide (1630s), can also be following one or more: Walocel MT 20.000PV, polyvinyl alcohol, water glass.
The preferred embodiments of the present invention are as follows:
Embodiment 1: (pH is 9 to get Cyclohexanone Waste Water, COD is 5000 mg/L) 20g is in there-necked flask, add the alkylphenol polyoxyethylene (OP-10) of 0.3g and the polyacrylamide (1630s) of 0.005g to obtain the aqueous solution of emulsifying agent, stirring and dissolving, is heated to 80
oc insulation.Take residual oil 80g, be heated to 120
oc makes its fusing, then 80
ounder C, be incubated.Under high-speed stirring condition, the aqueous solution of emulsifying agent is evenly joined in residual oil, stir 15min and can obtain Emulsion Resid.Prepared Emulsion Resid viscosity is 600mPaS, under normal temperature, can stablize and deposit more than 3 days.Preparation flow is referring to Fig. 1.
Embodiment 2: (pH is 10 to get Cyclohexanone Waste Water, COD is 8000 mg/L) 30g is in there-necked flask, add the Walocel MT 20.000PV of alkylphenol polyoxyethylene (OP-10), 0.2g sodium lauryl sulphate and the 0.05g of 0.1g to obtain the aqueous solution of emulsifying agent, stirring and dissolving, is heated to 75
oc insulation.Take residual oil 70g, be heated to 120
oc makes its fusing, then 75
ounder C, be incubated.Under high-speed stirring condition, the aqueous solution of emulsifying agent is evenly joined in residual oil, stir 5min and can obtain Emulsion Resid.Prepared Emulsion Resid viscosity is 800mPaS, under normal temperature, can stablize and deposit more than 3 days.
Embodiment 3: get Cyclohexanone Waste Water (pH is that 11, COD is 20000 mg/L) 10g in there-necked flask, add the alkylphenol polyoxyethylene (OP-10) of 5g and the poly-polyvinyl alcohol of 0.05g to obtain the aqueous solution of emulsifying agent, stirring and dissolving, is heated to 70
oc insulation.Take residual oil 90g, be heated to 130
oc makes its fusing, then 70
ounder C, be incubated.Under high-speed stirring condition, the aqueous solution of emulsifying agent is evenly joined in residual oil, stir 10min and can obtain Emulsion Resid.Prepared Emulsion Resid viscosity is 700mPaS, under normal temperature, can stablize and deposit more than 3 days.
Embodiment 4: (pH is 12 to get Cyclohexanone Waste Water, COD is 10000 mg/L) 15g is in there-necked flask, add alkylphenol polyoxyethylene (OP-10), 0.6g sodium polystyrene sulfonate, 0.2g tween 80 and the water glass of 0.003g of 0.8g, the polyvinyl alcohol of 0.01g obtains the aqueous solution of emulsifying agent, stirring and dissolving, is heated to 70
oc insulation.Take residual oil 85g, be heated to 150
oc makes its fusing, then 70
ounder C, be incubated.Under high-speed stirring condition, the aqueous solution of emulsifying agent is evenly joined in residual oil, stir 15min and can obtain Emulsion Resid.Prepared Emulsion Resid viscosity is 500mPaS, under normal temperature, can stablize and deposit more than 3 days.
Embodiment 5: (pH is 13 to get Cyclohexanone Waste Water, COD is 1000 mg/L) 12g is in there-necked flask, add the polyacrylamide (1630s) of alkylphenol polyoxyethylene (OP-10), 1g sodium polystyrene sulfonate and the 0.004g of 2g, the polyvinyl alcohol of 0.02g to obtain the aqueous solution of emulsifying agent, stirring and dissolving, is heated to 70
oc insulation.Take residual oil 85g, be heated to 150
oc makes its fusing, then 70
ounder C, be incubated.Under high-speed stirring condition, the aqueous solution of emulsifying agent is evenly joined in residual oil, stir 15min and can obtain Emulsion Resid.Prepared Emulsion Resid viscosity is 550mPaS, under normal temperature, can stablize and deposit more than 3 days.
Claims (4)
1. utilize Cyclohexanone Waste Water to prepare a method for Emulsion Resid, said method comprising the steps of:
1) in Cyclohexanone Waste Water, add emulsifying agent and stablizer, by the aqueous solution stirring and dissolving obtaining, and be heated to 70 ~ 80
oc insulation, described Cyclohexanone Waste Water, emulsifying agent, stablizer three's mass ratio is 10 ~ 30:0.1 ~ 5:0.003 ~ 0.05;
2) take the residual oil that the mass ratio with above-mentioned Cyclohexanone Waste Water is 70 ~ 90, be heated to 120 ~ 150
oc, makes residual oil fusing, is then placed at the temperature identical with the holding temperature of the described aqueous solution and is incubated;
3) under described holding temperature and high-speed stirring condition, the described aqueous solution is evenly joined in the residual oil of described fusing, stir 5 ~ 15min and can obtain Emulsion Resid.
2. the method for utilizing Cyclohexanone Waste Water to prepare Emulsion Resid as claimed in claim 1, is characterized in that, the pH of described Cyclohexanone Waste Water is that 9 ~ 13, COD is 1000 ~ 20000mg/L.
3. the method for utilizing Cyclohexanone Waste Water to prepare Emulsion Resid as claimed in claim 1, it is characterized in that, described emulsifying agent is one or more the mixture in alkylphenol polyoxyethylene or alkylphenol polyoxyethylene and sodium lauryl sulphate, sodium polystyrene sulfonate and tween 80.
4. the method for utilizing Cyclohexanone Waste Water to prepare Emulsion Resid as claimed in claim 1, is characterized in that, described stablizer is one or more the mixture in polyacrylamide or Walocel MT 20.000PV, polyvinyl alcohol and water glass.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105085936A (en) * | 2014-04-25 | 2015-11-25 | 中国石油化工股份有限公司 | Method for preparing emulsified residual oil by utilizing PVA(polyvinyl alcohol) apparatus wastewater |
| CN105967261A (en) * | 2016-05-26 | 2016-09-28 | 许婷 | Sewage treatment agent special for printing and dyeing wastewater and preparation method of sewage treatment agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240186A (en) * | 2007-02-06 | 2008-08-13 | 肇庆西江发电厂有限公司 | Residual oil viscosity-reducing emulsification and technique for applying the same in large-scale diesel generator |
| CN101724276A (en) * | 2008-10-29 | 2010-06-09 | 中国石油化工股份有限公司 | Lignin modified asphalt composition with steady heat storage and preparation method thereof |
| CN101949282A (en) * | 2010-07-22 | 2011-01-19 | 中国石油天然气股份有限公司 | Oil displacement method for residual oil asphalt emulsion |
-
2012
- 2012-09-24 CN CN201210359054.8A patent/CN103665394B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240186A (en) * | 2007-02-06 | 2008-08-13 | 肇庆西江发电厂有限公司 | Residual oil viscosity-reducing emulsification and technique for applying the same in large-scale diesel generator |
| CN101724276A (en) * | 2008-10-29 | 2010-06-09 | 中国石油化工股份有限公司 | Lignin modified asphalt composition with steady heat storage and preparation method thereof |
| CN101949282A (en) * | 2010-07-22 | 2011-01-19 | 中国石油天然气股份有限公司 | Oil displacement method for residual oil asphalt emulsion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105085936A (en) * | 2014-04-25 | 2015-11-25 | 中国石油化工股份有限公司 | Method for preparing emulsified residual oil by utilizing PVA(polyvinyl alcohol) apparatus wastewater |
| CN105085936B (en) * | 2014-04-25 | 2018-11-02 | 中国石油化工股份有限公司 | A method of preparing Emulsion Resid using PVA device waste water |
| CN105967261A (en) * | 2016-05-26 | 2016-09-28 | 许婷 | Sewage treatment agent special for printing and dyeing wastewater and preparation method of sewage treatment agent |
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