Industrial gases to the rescue in South Africa


Industrial gases market leader Afrox has been awarded a long-term contract to supply high-purity nitrogen, and liquid petroleum gas (LPG), to the (US) $565m Bokpoort CSP Project.

Located approximately 125km south-east of Upington, the Bokpoort CSP will boast a 50mWe generating capacity with nine hours of thermal storage once it is fully commissioned by the end of 2015.

Afroxbusiness manager for bulk ASU gases, Carte Lubbe explains that the company is supplying Bokpoort CSP with a fully-customised turnkey solution unique to the local market. He says, “LPG will be used by the CSP during the start-up phase for melting of salts for the Thermal Energy Storage system, whereby the transfer medium is heated to the point that it transforms from a solid state into a molten state.”

The substantial amount of LPG is, however, only required during the heating phase of the project. As a result, Afrox has designed an innovative modular supply system that will be installed and can be dismantled and removed from site within days, thereby ensuring minimal project disruption.

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