The properties of purified terephthalic acid(PTA)waste mud in the process of PTA sewage tank were intro- duced briefly.

简要介绍了精对苯二甲酸（PTA）生产过程中，外排至污水厂活性污泥处理池中形成的污泥废料的性状。

youdao

Treatment of waste mud from geotechnical engineering construction is an urgent problem for the civilization construction.

岩土工程废泥浆的治理是文明施工的一个亟待解决的迫切问题。

youdao

New conditioning agent for sewage treatment has been studied to replace the old one in Zhongyuan oilfield due to high cost and high volume of waste mud of the old one.

中原油田污水处理所用处理剂导致高成本、高污泥量，研制利用新药剂替代原用药剂。

youdao

In the ponds that dot the villages, silkworm waste is fed to fishes, while mud from the ponds fertilizes the mulberry trees, and the leaves in turn feed the silkworms.

UNESCO: Culture