The damage and maintenance of intermediatetank and intermediate washing tank in WPA are introduced and a simple method, double patching method, is described in detail.
An intermediatetank is used to receive the discharge water from each process and provide water to operations in batch processes, which increased reuse of process discharge streams.
该方法采用一个中间贮罐用来接收各单元操作的排水，增加各单元操作之间的水再利用机会。
3
The air drying and final absorption towers are installed in series as an integral and share a circulation acid tank and pump with intermediate absorption tower.