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Water Treatment Chemicals for Mining in Namibia

Water is the scarcest input on any Namibian mine — bought at industrial tariffs, hauled from borefields, or reclaimed from tailings returns — and every cubic metre needs chemistry. Swachem supplies the mine-water train: alum and polyelectrolyte for clarification, lime and caustic for pH, SDIC and hypochlorite for camp potable supplies, hexametaphosphate against the scale that hard groundwater inflicts on cooling and process circuits.

The local problems this range solves

  • Extremely hard borefield water scaling cooling circuits, boilers and RO pre-treatment
  • Tailings return water requiring flocculation for reuse
  • Camp potable systems at sites hours from support needing simple, stable disinfection
  • Evaporation-driven concentration cycles pushing dissolved solids relentlessly upward

Compliance & documentation

Potable-water chemicals are supplied in grades appropriate for drinking-water treatment (iron-free alum, stabilised chlorine) with SDS and dosing documentation for site water-safety plans.

Local tip

Namib-desert operations lose chlorine to heat faster than any dosing table predicts — store SDIC in the coolest container on site and buy quarterly, not annually. Your residual tests will thank you.

Recommended products

The lines mining buyers draw from this category most.

Aluminium Sulphate Granular (Iron Free)

Stocked or sourced on request — ask the counter.

Polyelectrolyte / Polyacrylamide pack

Flocculant aid dosed in small amounts to bind pin-floc into fast-settling floc.

Pack sizes on request

In stock: Windhoek & Walvis Bay

SDIC (Sodium Dichloroisocyanurate) pack

SDIC (Sodium Dichloroisocyanurate)

Stabilised chlorine granules/tablets — transportable disinfection for remote sites.

Pack sizes on request

In stock: Windhoek & Walvis Bay

Sodium Hexametaphosphate (water softener) pack

Sodium Hexametaphosphate (water softener)

Sequestrant that holds hardness in solution — protects geysers, boilers and drip lines.

Pack sizes on request

In stock: Windhoek & Walvis Bay

Hydrated Lime

Stocked or sourced on request — ask the counter.

Hydrex 4102 (boiler treatment)

Stocked or sourced on request — ask the counter.

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Water Treatment Chemicals for mining: asked and answered

What flocculant programme suits tailings water reuse on a Namibian mine?

Polyelectrolyte dosed at the thickener or return-water dam is the core — tiny doses binding fines into fast-settling floc so return water re-enters the process clear. Alum or ferric assists where colloidal clays resist. Because return water concentrates under our evaporation rates, jar-test quarterly rather than annually; the dose that worked in April misbehaves by October.

How should a mine camp disinfect potable water reliably?

SDIC is the remote-site answer: stabilised chlorine granules that survive hot storage and dose predictably through simple feeders, unlike liquid hypochlorite that fades in transit. Pair it with test strips so any operator can verify residuals daily. We pack camp-scale quantities with dosing charts — no water chemist required.

What controls scale in mine cooling circuits running on hard borefield water?

Sequestration ahead of the problem: sodium hexametaphosphate holds calcium in solution through the temperature rise that would otherwise plate it onto heat-exchange surfaces, and specialised treatments like Hydrex 4102 handle boiler-side programmes. Blowdown discipline matters as much as chemistry under our evaporation rates — we will help you set both.

Can you supply both the process plant and the camp from one water-chemical order?

Yes — clarification, pH, disinfection, softening and boiler lines all sit on one floor, so a single monthly order covers the thickener, the cooling towers and the camp kitchens. One manifest, one delivery, and pack sizes matched per point of use: pallets for the plant, 25 kg bags for the camp.

Serving Mining from our Windhoek branch

Swachem Windhoek · 2-8 Walter Street, Southern Industrial Area, Windhoek · Tel 061 235 051 · Monday – Friday, 08:00 – 17:00

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Quote water treatment chemicals for your mining operation

Served primarily from Swachem Windhoek — 061 235 051. SDS, grades and delivery scheduling included in the quote.