Coal Beneficiation

Alfa Laval’s range of equipment and proven expertise help optimise key processes in coal beneficiation and add further security to the storage of mine waste. Solid bowl centrifuges allow to recover and re-use large quantities of process water, which will help cut lifecycle cost, minimise environmental impact, save space and boost capacity as well.

Robust technology for coal tailings dewatering

  • Excellent output (solids dryness) even in tough conditions
  • Removes need for tailings dams
  • Reduces footprint as well as capital and maintenance costs
  • Contained process resulting in good and safe working conditions
  • Strong local support and service presence in Australia
Our solid-liquid separation solutions are an effective, proven, high capacity solution for dewatering coal tailings and mine wastewater. They are also an effective solution for fine coal recovery from flotation concentrate as well as from lean streams. The dewatering technology produces a cake with up to 70% dry solids by mass, which can then be used for co-disposal with coarse rejects.
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Customer Success: Bloomfield Group Rix's Creek

The Rix’s Creek Coal Handling and Preparation Plant (CHPP), part of Australia's Bloomfield Group, set out to improve its onsite coal tailings management as part of its sustainability strategy. Tailings dewatering with Alfa Laval solid bowl centrifuges allows to reduce water and energy consumption and minimize the surface footprint of waste handling processes.

How it works

Alfa Laval solid bowl centrifuges are specifically designed to separate slurries in mining and mineral processing into a solid phase and liquid phases. Separation takes place in a horizontal cylindrical bowl equipped with a scroll conveyor. The product is led into the bowl through a stationary inlet tube and is then smoothly accelerated in a full-flow feed zone design. Centrifugal forces of up to 3,500 G make the solids accumulate on the inner surface of the bowl. Alfa Laval offers solid bowl centrifuges with very large capacity (up to 80 dry tonnes per hour) specifically designed for heavy duties. 

Solid bowl centrifuge benefits

  • Short payback time
  • High cake dryness
  • High volume capacity
  • Contained process resulting in good working conditions
  • Full support from our global service team, even in remote locations

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Tailings dewatering

The robust design and large capacity of Alfa Laval solid bowl centrifuges have proven the perfect solution for safe and secure dewatering of mining tailings.

Fine coal recovery

Innovations in mechanical separation technology has made fine coal recovery from flotation concentrate as well as from lean streams viable. Alfa Laval solid bowl centrifuges increase profitability by capturing ultra fine particles and allowing to reduce water use and recycle process water.

From the coal face

How to manage tailings storage facilities (TSF) is an ongoing challenge for Australia’s mining and minerals industry, from a risk mitigation and cost point of view. Alfa Laval Australia Mining Engineer, Hamid Foroush, explains how solid bowl centrifuge technology has evolved over time to provide an economically and technologically superior solution to dewater tailings and recover process water.

Local support for your solid bowl decanter centrifuge

No site is too remote. Our team of experienced service engineers based at our Huntingwood/Sydney Service Centre and around Australia help you ensure that your solid bowl decanter centrifuge is performing at its best, so you can focus on the rest. Alfa Laval Australia is at your service.

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