Alkyl phenol sulfonic polyoxyethylene ether sulfonate and preparation thereof
A technology of alkylphenol sulfonic acid polyoxyethylene ether sulfonate and alkylphenol sulfonic acid polyoxyethylene ether, which is applied in the field of alkylphenol sulfonic acid polyoxyethylene ether sulfonate and its preparation, can solve the problem of oil displacement Poor efficiency, corrosion of equipment and pipelines, high production costs, etc., to achieve the effect of enhanced oil recovery
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Embodiment 1
[0035] Synthesis of Sodium Nonylphenol Sulfonic Acid Polyoxyethylene(7) Ether Sulfonate
[0036] (1) Add 110 grams of nonylphenol and 1.2 grams of calcium oxide catalyst in the reactor equipped with condensing device, stirring device and gas disperser, when heating to 135 ℃ while feeding nitrogen, add 11 grams of water, stirring reaction 1 Hour. Then first distill water at normal pressure, then decompress under 20 meters of mercury vacuum, steam the moisture in 140 DEG C for 20 minutes, cool the solution to 80 DEG C, slowly add dropwise the theoretical acid amount of neutralization catalyst 20 (weight )% concentrated sulfuric acid, heat the system temperature to 85-90°C, turn on the vacuum system, dehydrate under high vacuum for 1 hour, then blow with nitrogen for 3-4 times to remove the air in the system, and then adjust the reaction temperature of the system Slowly inject 155 grams of ethylene oxide at 150°C, and control the pressure ≤ 0.40MPa to carry out the alkoxylation ...
Embodiment 2
[0042] Synthesis of Sodium Nonylphenol Sulfonic Acid Polyoxyethylene(5) Ether Sulfonate
[0043] (1) Add 110 grams of nonylphenol and 1.2 grams of calcium oxide catalyst in the reactor equipped with condensing device, stirring device and gas disperser, when heating to 135 ℃ while feeding nitrogen, add 11 grams of water, stirring reaction 1 Hour. Then first normal pressure distilled water, then decompressed under 20 mm Hg vacuum, evaporated moisture at 140 DEG C for 20 minutes, cooled the solution to 80 DEG C, slowly added dropwise neutralizing catalyst theoretical acid amount 20 (weight )% concentrated sulfuric acid, heat the system temperature to 85-90°C, turn on the vacuum system, dehydrate under high vacuum for 1 hour, then blow with nitrogen for 3-4 times to remove the air in the system, and then adjust the reaction temperature of the system Slowly feed 115 grams of ethylene oxide at 150°C, and control the pressure ≤ 0.40MPa to carry out the alkoxylation reaction; after t...
Embodiment 3
[0049] Synthesis of Sodium Dodecylphenol Sulfonate Polyoxyethylene(6) Ether Sulfonate
[0050] (1) Add 132 grams of dodecylphenol and 1.3 grams of calcium oxide catalyst to the reactor equipped with condensing device, stirring device and gas disperser, heat to 135 ° C while feeding nitrogen, add 11 grams of water, and stir the reaction 1 hour. Then first distilled water at normal pressure, then decompressed under 20 milligrams of mercury vacuum, steamed moisture in 140°C for 20 minutes in a vacuum, cooled the solution to 80°C, and slowly added dropwise the theoretical acid amount of neutralization catalyst 20 (weight )% concentrated sulfuric acid, heat the system temperature to 85-90°C, turn on the vacuum system, dehydrate under high vacuum for 1 hour, then blow with nitrogen for 3-4 times to remove the air in the system, and then adjust the reaction temperature of the system Slowly inject 135 grams of ethylene oxide at 150°C, and control the pressure ≤ 0.40MPa to carry out t...
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