Two technologies of sintering municipal sewage sludge for manufacturing haydite ("wet process granulation-sintering" and "anhydration-sintering") were studied.
This unit is a general separator equipment by screening destoner,dis-dust.It can be effective discard the smaller stone(Like wheat grain)and all kinds of impurities.
The composition. properties, reaction activity, capacity of frothing and defrothing of phosphate rock and the preparation, thickening and clarification of wet phosphoric acid are stutiied.
The productive technology of active carclazyte produced by activating bentotite was introduced emphatically. The treatment method of acidic waste water produced in wet process was also described.
One of technological process for expansion of the stalk silks is the way of high temperature and high humidity by utilizing the passage type of adjusting humidness.