Mining Chemical Dosing for Process Repeatability

Mining chemicals influence flotation, leaching, elution, detoxification, pH control, and water treatment. Each process depends on reagents reaching the right point at the required concentration and flow rate. When delivery is consistent, process changes are easier to interpret and chemical consumption is easier to control. When delivery varies, the plant may compensate with more reagent, repeated adjustments, or wider operating margins.

The challenge is not simply choosing the right chemical. Mining operations handle reagents with widely different physical and chemical properties, including sodium cyanide, xanthates, MIBC, caustic soda, sulfuric acid, hydrochloric acid, and sodium metabisulfite. Concentration, viscosity, corrosiveness, operating pressure, and chemical compatibility all influence how these reagents should be stored, transferred, and dosed.

SEEPEX progressive cavity pumps convey chemicals through fixed-shape cavities, providing controlled volumetric flow with minimal pulsation. This helps maintain dosing accuracy without pulse shock, even when operating pressures, viscosities, or concentrations vary within the selected duty.

The objective is straightforward: Dose reagents that behave the same every shift.

Repeatable Dosing Creates a Stable Chemical Input

Across these pages, the same relationship becomes clear: selecting the right reagent is only the beginning. The chemical must also be delivered accurately, steadily, and using materials compatible with the complete duty. If pressure, pulsation, wear, corrosion, or poor system design changes the delivered flow, the process receives a different chemical input than the control system expects.

SEEPEX MD and BN pumps address different capacity ranges through the same progressive cavity pump principle. MD metering pumps support precise lower-flow chemical dosing, while BN pumps extend controlled, pulse-free delivery to larger reagent volumes. A broad choice of construction materials helps match the pump to different chemical concentrations and operating conditions. Where maintenance affects availability, SCT and SSH simplify service and reduce disruption.

A reliable dosing system connects chemical storage, pump selection, pipework, measurement, controls, containment, and maintenance into one repeatable process. That is the difference between recording chemical consumption and knowing that the intended dose actually reached the process.

Our Technologies for Mining Chemical Dosing

Our comprehensive portfolio covers every aspect of pumps, pump systems and digital solutions:

Reliable Mining Chemical Dosing

SEEPEX BN progressive cavity pumps support reliable chemical dosing and transfer in mining applications, helping maintain controlled, pulse-free flow when larger reagent volumes are required.

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MD - Metering Pump

SEEPEX MD metering pumps support reliable chemical dosing in mining applications, helping maintain precise, repeatable flow for lower-volume reagent duties.

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Digital Solutions

SEEPEX Digital Solutions connect pump data, controls, and monitoring to support reliable mining chemical delivery, optimize dosing performance, and reduce operating costs across reagent dosing applications.

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Start With the Chemicals Used in Gold Processing

For an introduction to the most common reagents and their functions, begin with What Chemicals Are Used in Gold Mining

Read More About Mining Chemical Dosing

What Chemicals Are Used in Gold Mining?

Start With the Chemicals Used in Gold Processing

This page explains how sodium cyanide, lime, caustic soda, activated carbon, flotation reagents, acids, sodium metabisulfite, flocculants, and coagulants support different gold-processing routes. It also shows why the actual chemical program depends on ore mineralogy, process design, water chemistry, and treatment objectives.

Cyanide Dosing in Mining Explained

Understand Cyanide Dosing in Gold Leaching

This page examines how cyanide supports gold dissolution and why the required dose changes with ore reactivity, pH, oxygen availability, and process conditions. It also explains how controlled delivery, containment, material compatibility, and responsible cyanide management contribute to reliable leaching.

86-Sedimentation, Scaling, and Lime Milk

Controlled Reagent Dosing in Mining

Learn What Makes Reagent Dosing Repeatable

That page distinguishes accuracy from repeatability and explains why the requested dose may differ from what reaches the process. It considers changes in demand, pressure, viscosity, concentration, operating range, equipment condition, and chemical compatibility.

Why Pulsation Ruins Chemical Performance

See Why Pulsation Changes Chemical Performance

This page looks at the difference between totalized flow and instantaneous delivery. It explains how repeated flow peaks and low-flow intervals can affect chemical distribution, pressure stability, flow measurement, and control response, particularly where reaction time or mixing distance is limited.

Reagent Dosing System Design

Translate the Duty Into a Complete Dosing System

This page covers chemical properties, minimum and maximum flow, injection pressure, suction conditions, wetted-material compatibility, instrumentation, controls, containment, and maintenance access. It also compares SEEPEX MD metering pumps for precise lower-flow dosing with SEEPEX BN progressive cavity pumps for larger dosing, distribution, and chemical-transfer duties.

Reagent Variability as a Hidden Cost in Mining

Understand the Hidden Cost of Reagent Variability

This page explains how uncertain reagent delivery can encourage chemical overuse, weaken process data, increase operator intervention, and make recovery or treatment results harder to reproduce. It also shows how SEEPEX MD and BN pumps, together with SCT and SSH, support repeatable delivery and more efficient maintenance.