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发明公开
CN104230765A 一种石油磺酸盐的生产方法 无效 - 驳回

一种石油磺酸盐的生产方法
摘要：
本发明实施例公开了一种石油磺酸盐的生产方法，包括：配制三氯甲烷和二氯甲烷混合溶剂、配制三氧化硫混合溶剂溶液和配制25％氢氧化钠溶液，其中，三氯甲烷和二氯甲烷混合溶剂由体积份数8～60份三氯甲烷和40～92份二氯甲烷组成，三氧化硫混合溶剂溶液由体积份数1～3份三氧化硫与三氯甲烷和二氯甲烷的混合溶剂2～9份组成；混合等体积的馏份油与三氯甲烷和二氯甲烷混合溶剂，并滴加三氧化硫混合溶剂溶液进行反应，获得第一反应溶液；三氧化硫与馏份油的质量比为1:4～12；将25％氢氧化钠溶液加入第一反应溶液，使得第一反应溶液的pH值在7.5～9.0之间，获得第二反应溶液；将第二溶液加热至70℃～90℃，蒸馏出三氯甲烷和二氯甲烷，获得石油磺酸盐溶液，其中，石油磺酸盐含量为25％～40％。
摘要（英）：

The embodiment of the invention discloses a production method of mahogany petroleum sulfonate. The production method comprises the following steps: preparing a mixed solvent of trichloromethane and dichloromethane and preparing a sulfur trioxide mixed solvent solution and a 25% sodium hydroxide solution, wherein the mixed solvent of trichloromethane and dichloromethane is prepared from 8-60 parts of trichloromethane by volume and 40-92 parts of dichloromethane by volume and the sulfur trioxide mixed solvent solution is prepared from 1-3 parts of sulfur trioxide by volume and 2-9 parts of mixed solvent of trichloromethane and dichloromethane by volume; mixing isometric distillate oil with the mixed solvent of trichloromethane and dichloromethane and dropwise adding the sulfur trioxide mixed solvent solution to react so as to obtain a first reaction solution, wherein the mass ratio of sulfur trioxide and distillate oil is 1 to (4-12); adding the 25% sodium hydroxide solution into the first reaction, wherein the pH value of the first reaction solution is 7.5-9.0, and obtaining a second reaction solution; and heating the second reaction solution to 70-90 DEG C, and distilling trichloromethane and dichloromethane to obtain a mahogany petroleum sulfonate solution, wherein the content of the mahogany petroleum sulfonate is 25-40%.

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