Preparation method of inverse demulsification water purifier for heavy oil and oily sewage treatment
A technology for milk water purifier and oily water purifier, which is applied in the field of reverse-phase demulsification and water purifier, and can solve the problems of increasing the frequency of tank cleaning and cleaning operations, large dosage of chemicals, and decreased water purification performance.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0018] 1) Preparation of prepolymer
[0019] Add N,N dimethylethanolamine (4.60g, 0.05168mol) and 0.302g catalyst KOH in a closed reactor with a thermometer and a stirrer, vacuumize, and start stirring, the reaction mixture is heated to 140 ° C, and then Propylene oxide (150.00g, 2.586mol) was added slowly, and the addition was completed after 5h. Then, the temperature of the reaction mixture was raised to 160°C, and then ethylene oxide (147.86g, 3.360mol) was added slowly, and the addition was completed after 4h, and the reaction was kept for 3h. , stop the stirring reaction to obtain the prepolymer;
[0020] 2) Preparation of reverse phase demulsification water purifier
[0021] Add the prepolymer (200.00g, 0.03419mol) and ethanol 200.00g prepared in step 1) to a closed reactor with a thermometer, a stirrer and start stirring. The reaction mixture is warmed up to 60°C, and then methyl chloride (1.71g ,0.03419mol) was added slowly, and after 1h, the reaction was kept for 3h...
Embodiment 2
[0023] 1) Preparation of prepolymer
[0024] Add N,N dimethylethanolamine (4.60g, 0.05168mol) and 0.302g catalyst KOH in a closed reactor with a thermometer and a stirrer, vacuumize, and start stirring, the reaction mixture is heated to 140 ° C, and then Propylene oxide (155.90g, 2.688mol) was added slowly, and the addition was completed after 5h. Then, the temperature of the reaction mixture was raised to 160°C, and then ethylene oxide (154.70g, 3.516mol) was slowly added, and the addition was completed after 4h, and the reaction was kept for 3h , stop the stirring reaction to obtain the prepolymer;
[0025] 2) Preparation of reverse phase demulsification water purifier
[0026] Add the prepolymer (200.00g, 0.03329mol) and ethanol 200.00g prepared in step 1) to a closed reactor with a thermometer, a stirrer and start stirring. The reaction mixture is warmed up to 60°C, and then methyl chloride (1.66g ,0.03329mol) was added slowly, and after 1 hour of addition, the heat pres...
Embodiment 3
[0028] 1) Preparation of prepolymer
[0029] Add N,N dimethylethanolamine (4.60g, 0.05168mol) and 0.302g catalyst KOH in a closed reactor with a thermometer and a stirrer, vacuumize, and start stirring, the reaction mixture is heated to 140 ° C, and then Propylene oxide (164.84g, 2.842mol) was added slowly, and the addition was completed in 5h. Then, the temperature of the reaction mixture was raised to 160°C, and then ethylene oxide (166.01g, 3.773mol) was added slowly, and the addition was completed in 4h, and the reaction was kept for 3h. , stop the stirring reaction to obtain the prepolymer;
[0030] 2) Preparation of reverse phase demulsification water purifier
[0031] Add the prepolymer (200.00g, 0.03081mol) and ethanol 200.00g prepared in step 1) to a closed reactor with a thermometer, a stirrer and start stirring. The reaction mixture is warmed up to 60°C, and then methyl chloride (1.54g ,0.03081mol) was added slowly, and after 1 hour of addition, the heat preservat...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More