The paper summarized all kinds of SBR technology operation processes and capability characteristics, on the basis of analyzing CASS and UNITANK, proposed a new technology ,which was named for UCASS.

• 论文总结了各种SBR工艺的操作过程和性能特点，在综合CASS工艺和UNITANK工艺优缺点的基础上，提出了一种新型间歇式活性污泥法工艺UCASS，UCASS工艺有好氧与脱氮除磷两种运行方式。 好氧UCASS工艺主要以BOD5或CODcr为去除目的；