Method for refining 1,3-Propane sultone
A method for refining 1,3-propane sultone is characterized by comprising the following steps: firstly circularly infusing refrigerating fluid with temperature of 0-30 DEG C into a crystallizer; then circularly infusing the raw material of 1,3-Propane sultone with the temperature of 32-40 DEG C into...
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Format: | Patent |
Sprache: | chi ; eng |
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