Patent ID: 9493367
Filing Date: 2016-11-15
CPC Classification: B01D,C02F

Claim Text:
1. A method of removing particulate matter from a waste tailing fluid, comprising: adding an activating material to the waste tailing fluid comprising the particulate matter, wherein the activating material affixes to the particulate matter to form an activated particle, and wherein the activating material is an anionic partially hydrolyzed polyacrylamide; attaching a tethering material to an anchor particle to form a tether-bearing anchor particle, wherein the tethering material is a cationic polymer; adding the tether-bearing anchor particle to the fluid comprising the activated particle, wherein the tethering material attaches to the activated particle to form a removable complex in the fluid, wherein the removable complex comprises the particulate matter and the anchor particle; removing the removable complex from the fluid, thereby removing the particulate matter from the waste tailing fluid; wherein the fluid is a waste tailing fluid derived from energy production or a mining process.