Custom-designed industrial agitators Agitators
Whether an application requires high flow, gas dispersion, solids suspension or a combination of multiple process requirements, there is a Sepro mixer agitator specifically engineered for the duty!
KEY ADVANTAGES
- Multiple impeller configurations for different processes, from flow-optimized high efficiency hydrofoil impellers to high shear classic designs.
- Different construction materials to match operating conditions – carbon steel, stainless steel or high resistant exotic alloys for the most aggressive chemicals.
INDUSTRIAL APPLICATIONS
- Hydro metallurgy
- Water Treatment
- Chemical Processing
- Paint and Coating
- Food and Beverage Production
- …and many others where mixing is required

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Mixing
Achieving consistent product quality starts with effective fluid mixing—a process that ensures multiple input streams are blended into a homogeneous mixture within a precise timeframe. The key to successful mixing lies in optimizing impeller design, location, and operating speed to match the specific process requirements. A well-designed mixer ensures that the blend time is shorter than the residence time, guaranteeing uniform composition and a stable, consistent downstream flow. This is critical in continuous and batch operations alike, where any variation in product homogeneity can lead to costly inefficiencies or quality issues. At the heart of it all is the mixer design: when tailored correctly, it drives performance, reduces operating costs, and supports process reliability across a wide range of industries.
Solids Suspension
Solids suspension is a critical aspect of industrial agitation, especially in mineral processing where solid particles must be suspended in a liquid medium to increase availability of the mineral and overall mass transfer.
Achieving a good level of suspension ensures that solids do not settle at the bottom of the tank, which can lead to uneven mixing, reduced reaction efficiency, or even equipment damage due to sediment build-up.
In mineral processing, proper suspension enhances mass transfer, maximizes the contact between reagents and ore particles, and improves the overall yield and efficiency of extraction processes. Poor suspension, on the other hand, can cause process inefficiencies, lower recovery rates, and increased maintenance costs.
Therefore, both agitator design and operating conditions must be carefully optimized to maintain an adequate and consistent suspension of solids throughout the process.
Gas Dispersion
Gas dispersion is a crucial function in many mixing and agitation applications where large volumes of gas are introduced into liquid systems to drive chemical or biological reactions. In industries such as mining and biotechnology, effective gas dispersion directly impacts process efficiency and product recovery. For example, in the cyanide destruction process used in gold leaching, air or oxygen must be thoroughly dispersed to oxidize and neutralize residual cyanide safely. Similarly, in bio-oxidation and pressure oxidation processes, finely dispersed oxygen is essential to support microbial activity or drive high-pressure oxidation reactions for metal extraction. Inadequate gas dispersion can lead to gas bypassing, poor mass transfer, reduced reaction rates, and incomplete processing. Therefore, mixer design—including impeller type, positioning, and operating speed—must be carefully engineered to ensure sufficient gas-liquid contact, maintain dispersion under varying flow regimes, and accommodate gas loading without flooding. Properly optimized gas dispersion ensures not only process effectiveness but also safety, environmental compliance, and energy efficiency.
Agitators for Special Applications
Applications like Attrition Scrubbers, Solvent Extraction, side-entry, high-pressure and high-temperature applications are available and require a discussion with our specialists.
Increase your gold recovery today. Speak to an expert
Speak to one of our mineral processing experts today.
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