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Neutralising agent

Magnesium Oxide (MgO)

A neutralising agent used for pH control in metallurgical process water and effluent, and as a magnesium source in certain leach circuits.

Product codeMgO
Purity / spec90%+ MgO (caustic calcined grade)
AppearanceFine white to off-white powder
Packaging25 kg bags or 1,000 kg bulk bags
What it is

Chemical properties

Caustic-calcined magnesium oxide reacts with acids to neutralise pH while being gentler and lower in soluble sludge volume than lime in many applications.

Application

How it’s used

Used for effluent and process-water neutralisation at mine sites, and for pH adjustment in some cobalt and nickel circuits.

Used with / for
  • Process water and effluent neutralisation across copper/cobalt operations
Storage & handling

Store dry; absorbs moisture and CO2 from air over time.

Safety

Mild irritant dust; standard dust PPE recommended. Full Safety Data Sheet (SDS) supplied with every consignment.

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