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After be being applied already successfully when a technology, should be pair of technologies next optimize upgrade, with extractive rectify tower for, optimizing the purpose that upgrade is the productivity that improves facility and reduce specific power consumption. And efficient way is right place undertakes improvement with extractive agent, leave in bisect especially when be not polarity system, the importance of this respect has more apparent reflect.
Use depart of extractive rectify tower to be not polarity system to apply already very general, as a result of electron cloud fluidity different, polarity dissolvent also can differ to their interaction force, leave their cent OK and effectively thereby come. Use the test facilities of extraction of built inert air current, to this one depart the process has a test, reached the following result. The extraction in extractive rectify tower adds salt in the agent, can increase the opposite volatility between C group share, when saline content is lower, the opposite volatility between C group share is met rise and increase of content as salt; But when salt when content is higher, present the law that drop however instead. This shows, undertake improvement upgrading conducing to improving the moving result of rectification tower to extractive agent.