Recent Developments in FLSmidth Dewatering Technologies for Tailings Disposal to Maximise Water Recovery

5 Pages Posted: 30 Jun 2020

See all articles by Lucy England

Lucy England

FLSmidth, Rugby

Todd Wisdom

FLSmidth, Salt Lake

Fred Schoenbrunn

FLSmidth, Salt Lake

James Chaponnel

FLSmidth, Salt Lake

Liam Macnamara

FLSmidth, Rugby

Date Written: June 23, 2020

Abstract

FLSmidth is one of the world leading suppliers of solid-liquid separation equipment and has been at the forefront of many product developments in thickening and filtration in over 135 years of existence.

The Phosphate industry consumes vast amounts of water and generates large volumes of tailings. With production increasing and plans to use seawater desalination and domestic wastewater purification as water sources, it is vital to recycle as much water as possible from the tailings. Economically recovering water from the tailings and disposing of the solids are increasingly bigger challenges for this industry.

Consequently, techniques for dewatering large tonnages of tailings, with minimal power consumption and making use of economies of scale through larger equipment are continuously being sought. This paper will review the different tailings disposal flowsheets and present some of the recent developments by FLSmidth including the Colossal Filter and FLS’ EcoTails TM flowsheet.

Keywords: tailings, dewatering, filtration EcoTails, GeoWaste, waste rock, water recovery

Suggested Citation

England, Lucy and Wisdom, Todd and Schoenbrunn, Fred and Chaponnel, James and Macnamara, Liam, Recent Developments in FLSmidth Dewatering Technologies for Tailings Disposal to Maximise Water Recovery (June 23, 2020). SYMPHOS 2019 – 5th International Symposium on Innovation & Technology in the Phosphate Industry, Available at SSRN: https://ssrn.com/abstract=3633783 or http://dx.doi.org/10.2139/ssrn.3633783

Lucy England (Contact Author)

FLSmidth, Rugby ( email )

Rugby
United Kingdom

Todd Wisdom

FLSmidth, Salt Lake ( email )

Salt Lake City
United States

Fred Schoenbrunn

FLSmidth, Salt Lake ( email )

Salt Lake City
United States

James Chaponnel

FLSmidth, Salt Lake ( email )

Salt Lake City
United States

Liam Macnamara

FLSmidth, Rugby ( email )

Rugby
United Kingdom

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