Continuous leaching process of celestite clinker and method for producing strontium carbonate

The invention provides a celestite clinker continuous leaching process and a method for producing strontium carbonate, celestite clinker is added into a first leaching tank, and a leaching solution in the first leaching tank is filtrate obtained after dehydration by an nth centrifugal machine; the l...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: PENG GUANGHUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The invention provides a celestite clinker continuous leaching process and a method for producing strontium carbonate, celestite clinker is added into a first leaching tank, and a leaching solution in the first leaching tank is filtrate obtained after dehydration by an nth centrifugal machine; the leaching liquid in the nth leaching tank is hot water, and the material is the solid material after the first centrifugal separation. According to the method, a continuous feeding and countercurrent leaching method is adopted, and the leaching temperature and the leaching pressure in the nth leaching tank are respectively higher than the leaching temperature and the leaching pressure in the (n-1) th leaching tank, so that the yields of strontium hydrosulfide and strontium hydroxide are higher, and the yield of strontium carbonate can be further improved. A hydrochloric acid solution is added into a separation solution obtained through separation of the first separator at 60-80 DEG C, strontium hydrosulfide, strontiu