Methods and compositions for dust control and freeze control

Details Methods and compositions for dust control and freeze control Methods and compositions for dust control and freeze control

C - Chemistry, Metallurgy

09

K

C09K 3/18 (2006.01) C09K 3/22 (2006.01)

Patent

CA 2658194

Dust control and/or freeze control 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 control products. For example, 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 processes. The dust control and/or freeze control compositions can comprise one or more glycerin by-products derived from a biodiesel manufacturing process. The dust control and/or freeze control compositions can also comprise one or more glycerin by-products of transesterification reactions involving triglycerides.

L'invention concerne des compositions anti-poussière et/ou antigel et des procédés d'utilisation de ces compositions. Dans un mode de réalisation, la présente invention concerne des procédés d'utilisation de produits anti-poussière et/ou antigel. Par exemple, le procédé peut consister à prévenir l'agglomération d'une matière particulaire comprenant du charbon et son adhésion sur des surfaces à des températures inférieures au point de congélation. Le procédé peut également consister à prévenir la formation de poussière lors d'opérations de manipulation de matières particulaires. Les compositions anti-poussière et/ou antigel peuvent comprendre un ou plusieurs sous-produits de glycérine dérivés d'une opération de production de biodiesel. Lesdites compositions anti-poussière et/ou antigel peuvent également comprendre un ou plusieurs sous-produits de glycérine de réactions de transestérification faisant appel à des triglycérides.

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