Counter-flow spray technique for the treatment of the rinsing water containing pyrophosphates in Cu- Sn-Ni alloy plating is described.
电镀焦磷酸盐铜锡镍废水由“常流水”清洗方式改为反喷淋清洗方式。
2
The performance of the counter-flow drier is effected seriously by the kinematic parameters of the sweep auger, especially the revolution speed.
扫仓搅龙的运动参数，尤其是公转速度，直接影响逆流干燥机的工作性能。
3
The secondary treating water from urban domestic sewage treatment plant was treated by fine membrane with the way of periodic counter-flow static type.