C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/22 (2006.01)
Patent
CA 2569380
The present invention relates to compositions useful for the suppression of fugitive dust emissions and methods of suppressing dust emissions by application of an aqueous solution comprising a surfactant, wetting agent and an acrylic copolymer. The compositions of the invention are effective in wetting, penetrating and improving particle cohesion and reducing water evaporation. They can also be used as a knockdown agent for airborne dust and for minimising soil and dust erosion, blowing and loss from roads and bulk solids, mineral flotation processes, waste management applications and as a binding agent.
La présente invention concerne des compositions permettant de supprimer des émissions de poussière évanescentes ainsi que des méthodes d'élimination de la poussière par application d'une solution aqueuse comprenant un tensioactif, un agent mouillant et un copolymère acrylique. Ces compositions conviennent bien pour humidifier, pénétrer et améliorer la cohésion particulaire tout en réduisant l'évaporation de l'eau. Elles peuvent également s'utiliser comme agent de choc pour la poussière aérienne et pour réduire l'érosion des sols, le soufflage et les pertes sur les chaussées et les solides en vrac, pour les processus de flottage minéral, les applications de gestion des déchets solides ainsi que comme agent liant.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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