BHX Oxygen Plant Saves $650k with OSI Concentrators

February 22, 2023 | By David Johnson | In Insights

Phu Bia Mining, an OSI customer, has reported substantial savings at its new Ban Houayxai Oxygen Plant, according to its 2022 annual operations review. The OSI oxygen concentrators installed at the new plant achieved a full return on investment in less than 18 months.

The Ban Houayxai Oxygen Plant was commissioned in late 2021 to eliminate the rental, logistics, and purchase costs of liquid oxygen that had been supplied from Linde Thailand since 2016. Oxygen is a vital reagent in our processing plant to increase gold and silver recovery. Increased levels of dissolved oxygen in the leaching process also reduced cyanide costs and improves tailings management.

The new Oxygen Plant includes two Vacuum Swing Absorption 4.5 tonne units supplied by Oxygen Solutions in Canada. These new units have delivered annual savings of over $650,000. Allowing for the additional power and operating costs associated the project has realised a pay-back period of less than 18 months.

The purchase and installation of the units has been well times, reducing Phu Bia's exposure to cross-border supply-chain risks related to the peak of disruptions during the COVID-19 pandemic. While lowering operating costs and improving security-of-supply, the plant has also delivered positive environmental and social outcomes by reducing truck traffic within Thailand and Laos, lessening the impact on roads and villages along the way.

PBM Operations Annual Review 2022

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