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Lime Dosing Technology

Lime dosing systems neutralise acidic wastewater, precipitate heavy metals, and stabilise biological sludge. Our turnkey lime preparation and injection packages include storage silos, volumetric or gravimetric feeders, slurry make-up tanks, and progressive cavity or peristaltic transfer pumps.

Precision lime dosing prevents over- or under-treatment, protecting downstream processes and ensuring compliance with pH discharge limits. Automated control with inline pH analysers enables closed-loop regulation, reducing chemical consumption by 15–30% compared with manual dosing regimes.

Specifications & Operating Parameters

Capacity

5 – 5,000 kg/hr

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Slurry Concentration

5 – 30% w/w

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Preparation Method

Batch or continuous

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Storage Silo

5 – 100 m³

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Accuracy

±2% of set point

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Materials

SS304, SS316, rubber-lined, FRP

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Control

PLC with pH feedback loop

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Feed

Volumetric screw or peristaltic pump

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Where This Equipment Is Used

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

pH Adjustment

Automated acid or alkali dosing to maintain neutral pH conditions.

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Phosphorus Removal

Chemical precipitation of phosphate to prevent eutrophication.

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Sludge Conditioning

Mixing sludge with polymers to improve dewatering performance.

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Acid neutralisation

Neutralising acidic wastewater streams to meet discharge pH requirements.

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Water Softening

Removing calcium and magnesium hardness through ion exchange.

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Flue Gas

Treating scrubber blowdown and wastewater from flue gas desulphurisation.

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Related Processes

This equipment is commonly integrated into the following treatment processes.

Chemical Dosing Systems

Complete chemical dosing solutions.

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Physico-Chemical Treatment

pH adjustment and precipitation.

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Municipal WWTP

Phosphorus removal and pH control.

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Mining & Minerals

Acid mine drainage neutralisation.

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Related Equipment

Explore complementary equipment within our product range.

pH Controller

Automated pH monitoring and feedback.

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Chemical Dosing Pump

Precision lime slurry metering.

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Agitator

Slurry tank mixing.

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Progressive Cavity Pump

Thick lime slurry transfer.

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Industries We Serve

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

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