In the reaction of sulfonation, the azeotropic water removing, sulfuric acid was used as sulfonating agent.
在磺化反应中，采用共沸除水硫酸磺化法。
The influences of reaction temperature and amount of sulfonating agent on sulfonating reaction were investigated.
考察了反应温度、磺化试剂用量对磺化反应的影响。
This paper described the technique of the sulfonation using the liquid sulfur trioxide as a sulfonating agent. The advantages and disadvantages by using this process were pointed out.
叙述了用液体三氧化硫作为磺化助剂的磺化技术，同时，指出了该项技术的优缺点。
This paper described the technique of the sulfonation using the liquid sulfur trioxide as a sulfonating agent. The advantages and disadvantages by using this process were pointed out.
叙述了用液体三氧化硫作为磺化助剂的磺化技术，同时，指出了该项技术的优缺点。
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