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    Fine coal recovery and advanced flotation: plant yield and tailings gains for engineers

    July 14, 2026|

    Reviewed by Tom Sullivan

    Fine coal recovery and advanced flotation: plant yield and tailings gains for engineers

    First reported on Australian Mining

    30 Second Briefing

    Fine coal recovery is driving uptake of advanced flotation cells such as Eriez StackCell® units, which use high-shear contacting and a compact, staged design to recover and upgrade ultrafine coal that conventional mechanical cells and column flotation often lose to tailings. By targeting particles typically below 100 microns and improving combustible recovery from existing slurry streams, these systems can lift plant yield and revenue without new mining, while cutting waste volumes and associated tailings storage demands.

    Technical Brief

    • For other fine coal circuits, similar staged-reactor concepts could debottleneck plants constrained by flotation capacity.

    Our Take

    Eriez’s fine coal flotation push in Australia sits alongside its recent StackCell and CavTube roll-outs in our database, signalling a deliberate strategy to cover both conventional coal circuits and ultrafine tailings streams across multiple commodities.

    Among coal-tagged Australian Mining pieces, more attention is going to downstream efficiency and rail/haulage optimisation (e.g. Martinus’ heavy‑haul work) than to new greenfield coal capacity, which suggests technology like advanced flotation is being framed as a way to lift recovery and ESG performance on existing assets rather than expand output.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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