公开(公告)号：US20160200954A1

公开(公告)日：2016-07-14

申请号：US15007396

申请日：2016-01-27

Applicant: BASF SE

Inventor： John Lamperd ,  Lloyd Kaiser

IPC: C09K3/22 ,  C08L33/26

CPC classification number: C09K3/22 ,  C02F1/56 ,  C02F11/14 ,  C02F2103/10 ,  C08L33/26 ,  C08L2201/54

Abstract: A method of suppressing dust formation in a particulate mineral material, which particulate mineral material has been dewatered from a suspension of said material, comprising the steps of transferring the suspension of particulate mineral material as a fluid to a deposition area, and in which the suspension is allowed to stand and dewater at the deposition area to form a dewatered particulate mineral material, wherein suppression dust formation of the material is achieved by adding a dust suppressing amount of a polymer to the suspension of the particulate mineral material while it is being transferred as a fluid to the deposition area, wherein the polymer is either a synthetic water-soluble polymer formed from one or more ethylenically unsaturated monomers having an intrinsic viscosity of at least 4 dl/g or a water-soluble polymer that is a natural polymer or semi natural polymer.