“sludge disposal”造句，怎麼用sludge disposal造句

Thickening is the usual first step in sludge disposal processing.

The method that the core approach is incineration is the thorough effective means of sludge disposal, which is one of the effective methods with sludge reduction, stabilization, harmless.

A second method of sludge disposal is digestion by anaerobic bacteria.

As a kind of new flocculant, the diatomite has extensive sources, good effection of treating sewage and simple equipment for subsequent sludge disposal, so it has a great future for application.