B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 21/01 (2006.01) C02F 1/52 (2006.01) C02F 1/60 (2006.01) C22B 3/20 (2006.01)
Patent
CA 2699337
A composition and method for agglomerating/coagulating silica particles in aqueous mineral process streams comprising polyalkylene glycols and non-salt polyether amines and further contacting with flocculant agent. The invention further discloses removing agglomerated silica particles from aqueous mineral processing stream by combination of filtering, flocculating and settling operations. Preferred polyalkylene glycols are: Polyethylene glycol (PEG) Preferred non-salt polyether amines are: Formula (I): Polyether monoamine Where R1 is any combination of H or CH3, R2 is CII, or II, and n is an integer > 1. Formula (II): Polyether diamine Where R3 is any combination of II or CII3, R4 is CII3 or II, and in is integer > 1.
L'invention concerne l'utilisation de glycols de polyalkylène et d'amines de polyéther se présentant sous forme non saline, pour améliorer l'efficacité d'une suppression de silice s'effectuant par coagulation et d'une agglomération de particules de silice colloïdale dans des flux aqueux de traitement de minéraux.
Huntsman Corporation Australia Pty Limited
Smart & Biggar
LandOfFree
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