C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
C30B 7/14 (2006.01) C22B 3/44 (2006.01) C30B 29/40 (2006.01)
Patent
CA 2618326
The present invention provides a method for manufacturing scorodite in which scorodite may be obtained. at high production efficiency and a high As concentration ratio. The present invention provides a method for manufacturing crystalline scorodite from acidic aqueous solution containing pentavalent As and trivalent Fe, the method comprising a step for adding a basic sodium compound to the acidic aqueous solution such that the sodium concentration in the acidic aqueous solution becomes larger than 0 g/L and equal to or less than 4 g/L.
La présente invention concerne une méthode permettant de fabriquer de la scorodite avec une efficacité de production élevée et un rapport de concentration d'As élevé. La présente invention a trait à une méthode permettant de fabriquer de la scorodite cristalline à partir d'une solution aqueuse acide renfermant de l'As pentavalent et du Fe trivalent, méthode comprenant une étape qui consiste à ajouter un composé basique du sodium à la solution aqueuse acide de telle sorte que la concentration de sodium dans la solution aqueuse acide atteigne une valeur supérieure à 0 g/L et inférieure ou égale à 4 g/L.
Katsura Shigeo
Kimura Yukio
Jx Nippon Mining & Metals Corporation
Marks & Clerk
Nippon Mining & Metals Co. Ltd.
LandOfFree
Method for manufacturing scorodite does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for manufacturing scorodite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for manufacturing scorodite will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1633813