Method for retrofitting process equipment into flotation cell

WO2026021847A1PCT designated stage Publication Date: 2026-01-29METSO OUTOTEC FINLAND OY
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Patent Information

Application Number
PCT/EP2025/069417
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-24
Filing Date
2025-07-08
Publication Date
2026-01-29

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Abstract

A method for retrofitting process equipment into a flotation cell, wherein the flotation cell comprises a flotation tank (10) comprising a centre (11), a perimeter (12), a bottom (13), and a side wall (14); a launder (2) and a launder lip (21); wherein the method comprises forming a retrofitted flotation cell (1) by installing the process equipment to the flotation cell, wherein the process equipment comprises at least one device for combining an air stream and a slurry infeed (100) to obtain particle-bubble aggregates and then introducing the combined air stream and slurry infeed (100) into the tank (10), and providing a slurry recycling circuit (3) to the retrofitted flotation cell (1) wherein the slurry recycling circuit (3) comprises a pumping system.
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Citation Information

Patent Citations

  • Enhanced bitumen flotation

    US7727385B2

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    WO2020025850A1

  • Flotation line

    WO2020025851A1

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    WO2020025853A1

  • Feeding and sparging arrangement for column flotation apparatus

    WO2020095247A1