Method of dewatering coal using vinyl amine-containing coagulant

Fuel and related compositions – Coal treating process or product thereof – Removal of undesirable

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209 5, 210732, 210733, C10L 500

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active

055295886

ABSTRACT:
The invention provides an improved method for dewatering coal tailing aqueous slurries in a twin belt press process. The method including the step of adding to the slurry a high molecular weight anionic flocculant followed by a coagulant containing vinylamine. The flocculated coal is then mechanically dewatered using a twin belt press.

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