Abstract
In the course of mastering the urea dewaxing process, the following points were established: 1. The moisture content of the suspension is the most important technological index governing the operability of the G-64 units; these units operate normally with a solid-phase moisture content of 0.7–1.5% in the adduct formation stage, 0.1% (trace) in the adduct decomposition stage, and 0.2–0.5% in the washing. 2. Moisturizing of the suspension as a result of using naphtha or feedstock with excessive water content cannot be tolerated; it leads to a gradual precipitation and sticking or lumping of the solid phase and plugging of the lines, pumps, and other equipment, and a shutdown of production. 3. The removal of moisture in an electroseparator and by settling in the regenerated-naphtha tank will serve as a reliable means for maintaining the required moisture content of the system.
Published Version
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