Custom-Designed Industrial Mixer Agitators

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Sepro Mixing applies experience-based knowledge and technical expertise to high quality fluid mixing systems for a variety of mineral processing duties. 

Whether an application requires flow, gas dispersion, chemical reaction, solids suspension or a combination of all four, there is a Sepro mixer agitator specifically engineered for the duty!

The Finer Details

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Solids Suspension

Long-term value is important to us and improved through high-flow designs with low-tip speeds, high-quality materials and rubber lining, and special impeller designs which means optimal performance through tough conditions.


Sepro’s designs can improve mixing performance, meeting any mixing objective: 

  • Off-bottom suspension: Coarse particles are slightly agitated, reducing wear
  • Complete uniformity: Solids concentration is 95% consistent in any section of the tank
  • Full tank utilization: Prevent solids build-up
  • Leaching tanks and reaction vessels: Improve solid, liquid and gas mixing
  • Feed, buffer and holding tanks: Improve process stability


Solvent Extraction

We understand selecting the correct combination of power, speed and impeller type could mean the difference between an effective mixer settler and an under-performing system. 

Our in-house design program gives us insight into the performance of dozens of impeller types and geometries, meaning, we can help you select the right mixer agitator for your solvent extraction job.


Gas Dispersion

Many applications in mineral processing require the injection of gas into the mixing vessel. This can be a variety of gasses, including air, oxygen, hydrogen, or a combination. The volume of gas introduced and the rate of introduction is critical for the efficiency of the system and operation of the gas dispersion agitator.


Sepro has a range of impellers designed to accommodate high gas dispersion requirements. They are widely used in bioleaching, cyanide detox, pressure lead reactors and more, where effective gas dispersion and gas retention is critical for excellent process performance.


Attrition Scrubbing

Mineral scrubbing applications require high performance with low wear. Sepro Mixing supplies an innovative attrition scrubbing cell that utilizes two different types of impellers. First is an axial flow, high solidity impeller that offers high velocity in viscous pulp to create maximum shear in the attrition zone. Next is a uniquely-designed impeller that provides a combination of flow and shear, creating the steady flow between cells in order to maintain retention time and provide stable operating conditions.

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We Can Also Help With

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Installation Supervision

Ensuring factory-spec equipment installation is key to the success of your operation.

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Safety and operational testing to optimize recoveries.

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Customer Support

Our technicians are trained to support customers and minimize downtime.

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Automation Support

With installations in more than 94 countries around the world, we are experts in using automation training to drive recovery volumes and safety.

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We conduct classroom or hands-on training wherever you need it.

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Lab Work

Our in-house metallurgical testing facility is available to provide insightful lab work no matter which stage your project is at.