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Rapid Mixer Technology

Rapid mixing ensures uniform dispersion of coagulants and flocculants into water and wastewater streams within the critical first few seconds of dosing. Our rapid mixers achieve velocity gradients (G-values) from 300 to 1,000 s−1, with residence times of 1–3 seconds for complete chemical homogenisation.

Available in static inline, mechanical turbine, and jet-mix configurations, our rapid mixers are sized using CFD modelling to eliminate short-circuiting and dead zones. Variable-speed drives allow optimisation of mixing intensity for seasonal changes in water temperature and turbidity.

Specifications & Operating Parameters

Retention Time

10 – 60 seconds

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Velocity Gradient (G)

300 – 1,000 s⁻¹

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Motor Power

0.37 – 15 kW

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Tank Volume

0.1 – 50 m³

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Impeller Speed

100 – 1,500 rpm

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Impeller Types

Rushton turbine, pitched-blade, hydrofoil

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Materials

SS304, SS316, coated mild steel

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Mounting

Top-entry, side-entry, or in-line static

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Where This Equipment Is Used

Proven across a wide range of industrial water and wastewater treatment processes.

Water Treatment

Removing contaminants from raw water to produce clean water.

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Coagulation

Rapid mixing of coagulants to initiate particle aggregation.

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pH Adjustment

Automated acid or alkali dosing to maintain neutral pH conditions.

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Chemical Blending

Mixing treatment chemicals to precise concentrations for process dosing.

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DAF Pretreatment

Removing suspended solids and FOG ahead of biological or membrane processes.

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Industrial Effluent

Treating factory wastewater to meet trade effluent consent limits.

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Related Processes

This equipment is commonly integrated into the following treatment processes.

Physico-Chemical Treatment

Flash mixing for coagulant dispersion.

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DAF Systems

Coagulation before dissolved air flotation.

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Lamella Clarifier

Upstream rapid mixing for settling.

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Circular Clarifier

Coagulation for gravity separation.

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Related Equipment

Explore complementary equipment within our product range.

Flocculator

Slow-speed flocculation after rapid mixing.

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Agitator

General tank mixing applications.

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Chemical Dosing Pump

Precision coagulant dosing.

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pH Controller

Automated pH adjustment.

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Industries We Serve

Our expertise spans multiple industries with sector-specific water treatment solutions.