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Viscosity Modifiers

We represent Pionera (www.pionera.com) in various countries in Africa and we are studying the efficacy of their biopolymers in viscosity modification, flotation and leaching applications. Pionera have developed a range of unique products based on

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BIOX Nutrients

In recent years the use of roasting as the traditional way of releasing gold values from refractory sulphides has been replaced by biological and pressure oxidation. In the biological oxidation process bacteria are used to

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Dust Control Agents

Lignosulphonate binder which efficiently supresses dust generation on haul roads and waste dumps. Non-toxic, environmentally friendly and easily applied.

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Smelt House Chemicals

We supply the various chemicals required in the smelting of gold as part of our overall supply package. Typically borax, anhydrous and the decahydrate, sodium carbonate, sodium and potassium nitrate, silica and fluorspar are supplied.

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Commodity Chemicals

In support of our range of performance chemicals, we supply many of the commodity chemicals required by the mining industry. Examples being, caustic soda, hydrochloric, nitric, sulphamic and sulphuric acids, quicklime and hydrated lime.

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Sodium Metabisulphite

As an alternative to hydrogen peroxide or Caro’s acid a number of mines prefer to use sodium metabisulphite as the oxidant in the cyanide destruction process. This is used in conjunction with copper ions, supplied

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Hydrogen Peroxide

Hydrogen peroxide from Solvay Interox acts as a leach enhancer during cyanidation and is used to treat plant effluent for cyanide removal with copper ions as the catalyst. In applications where high usage is encountered

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Antiscalants

Nowata’s proprietary technology is licensed within Ghana for the manufacture of antiscalants for the West African mining industry. These antiscalants are used in CIL and heap leach plants to control scaling. There are high temperature

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Activated Carbon

Nowata has supplied activated carbon to the mining industry for almost 30 years. For many years we supplied carbon from a third party but for the past five years, we have worked closely with Core

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Sodium Cyanide

Since 1987 Nowata have supplied over 300 000 tonnes of sodium cyanide into Africa. As an integral part of the supply package we train the mine personnel and transport company staff in the safe handling

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