C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/18 (2006.01) C09K 3/22 (2006.01)
Patent
CA 2749104
Dust control and/or freeze conditioning compositions and methods of using the compositions are provided. In an embodiment, the present invention provides methods of utilizing the dust control and/or freeze conditioning products. For exam-ple, the method can comprise preventing the agglomeration of particulate material comprising coal and the adhesion thereof to surfaces in subfreezing weather. The method can also comprise preventing dust formation from particulate material handling pro-cesses. The dust control and/or freeze conditioning compositions can comprise a bottom stream derived from a biodiesel manufac-turing process. The dust control and/or freeze conditioning compositions can also comprise a bottom stream of transesterification reactions involving triglycerides.
L'invention porte sur des compositions anti-poussière et/ou antigel et sur des procédés d'utilisation des compositions. Dans un mode de réalisation, la présente invention porte sur des procédés d'utilisation des produits anti-poussière et/ou antigel. Par exemple, le procédé peut consister à empêcher l'agglomération de matières particulaires comprenant du charbon et son adhésion à des surfaces à des températures inférieures au point de congélation. Le procédé peut également consister à empêcher la formation de poussière provenant d'opérations de manipulation de matières particulaires. Les compositions anti-poussière et/ou antigel peuvent comprendre un effluent de fond issu d'un procédé de fabrication de biodiesel. Les compositions anti-poussière et/ou antigel peuvent également comprendre un effluent de fond de réactions de transestérification mettant en jeu des triglycérides.
Blubaugh Stephen J.
Tran Bo L.
Nalco Company
Smart & Biggar
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