BQR Flotation Cells

Our cells are used in roughing, scavenging, cleaning and re-cleaning applications to process copper, zinc, Platinum Group Metals (PGMs), phosphates, graphite, slag and effluents. They feature a stator located on the floor of the tank, a rotor with a provision to introduce flotation air through the center of the shaft, adjustable airflow rates and froth-crowder settings, as well as a launder. Customized launder design options are available in order to ensure specific lip loading and froth carry rates. Other features include internal or external dart valves and precise froth level control instruments resulting in a class-leading combination of process, operational and cost benefits.

MAXGen Mechanism

Our MAXGen mechanism is the result of advanced research, extensive bench scale test work, scale-up and industrial trials. Incorporating the MAXGen mechanism enables an owner/operator to achieve best-in-class metallurgical performance, combined with greater ease of maintenance and lower cost of ownership. The MAXGen mechanism enables the generation of a swarm of air bubbles with optimum size distribution. A careful selection of a trade-off between agitation levels and the bubble distribution facilitates the flotation of fine and coarse particles equally (especially relevant for the flotation of low-density minerals), whilst efficiently keeping solids in suspension, which in turn maximizes the probability of bubble-particle interaction.

Main advantages of our DELKOR BQR flotation cells

• Improved metallurgical performance
• Precise froth level controls
• Low downtime and increased ease of maintenance
• Internal or external dart valves with a strong focus on safety
• Cell bypass ready provision for larger cells to facilitate quick, easy and safe cell maintenance
• Cell bypass improves circuit flexibility to a great extent
• Reduced specific power consumption
• Low maintenance cost and total cost of ownership

Our DELKOR BQR flotation cells range in size from 1.5 m³ (BQR15) to 300 m³ (BQR3000) and our MAXGen mechanism now maximizes bubble-particle interaction for improved flotation kinetics.

For more information about detailed research results please also read the article in the Indian journal "Transactions of the Indian Institute of Metals", HERE: “Plant Trials of the MAXGen Flotation Mechanism in a Lead Flotation Circuit” .

The article is based on development work carried out at the DELKOR laboratory in Bengaluru, India, and on tests carried out by the DELKOR R&D team in the lead circuit at the Rampura-Agucha plant. It highlights various aspects of evaluating flotation performance, especially concerning a mechanism’s ability to influence matters, which is something that is not commonplace in current literature.