What to do with the slag from the preprocessor?
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This post was last edited by sunjl1981 on 2013-1-6 22:17. Question: What methods can be used to deal with the waste material produced by the preprocessor? It contains a lot of floating sludge, and it seems that filter presses are not very effective for dealing with it. ， ， -
Also, the slag from the preprocessor, which cannot be processed, ends up in the clarification tank, causing a large amount of sludge to rise in the tank. What should be done?
The sludge from the pretreater is dried by filtration using a filter press before being removed. If there is a lot of sludge in the upper layer, it is difficult to compress it dry. Magnesium sludge is in a colloidal state, making it difficult to dry it using a filter press; as a result, the sludge obtained after pressing remains a very thin, viscous paste.
The original poster, you are using a process that involves pretreatment followed by a clarification tank; this type of process is rarely used these days. Generally, the preferred approach is pretreatment combined with reverse osmosis membranes. However, we have also encountered situations similar to those you described – when the magnesium content in the raw salt is high, it’s difficult to produce sludge, and the sludge that is formed is quite dilute.
Reply to 4# Cloud Travel: We have 2 systems: the Kaimo preprocessor； Dowell barrel. But they share one three-layer sludge tank, and the problem is that the scum touched by Kay ends up in Doyle’s tank, so the sludge doesn’t settle! !