Abstract
Supercritical CO2 extraction technology was overviewed first in this paper. Then the processes of supercritical CO2 extraction were analyzed. After the advantages and disadvantages of various processes were noted, the quick-opening sealing structures at home and abroad for the batch extractor were introduced in this paper. Finally for the thread type quick-opening sealing structure, improvements were made to solve the problems encountered in practical application of the traditional thread type quick-opening sealing structure.
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