The results of computation showed that the efficiency of process with alternative extraction and stripping is higher than that of common multistage counter-current extraction process.
结果表明，萃取反萃交替过程的效率高于通用的多级逆流萃取过程。
2
Downstream slot (CTS) and counter-current slot (CTN) respectively, suitable for different sorting granularity and different sorting process requirements.
顺流槽(CTS)和逆流槽(CTN)，分别适用于不同选别颗粒度及不同选别工艺的要求。
3
OBJECTIVE To compare the process of counter-current-distribution(CCD) and improved counter-current-distribution.