Gold Mine Wastewater 1 1 5

Aerofloat designed and built a sewage and wastewater treatment system for Tomingley Gold Mine to meet population growth at the site.

Alkane’s gold mine site at Tomingley required a new wastewater and sewage treatment plant to replace the existing system and allow for up to 50% growth at the central western New South Wales site. Aerofloat was engaged to upgrade the sewage treatment plant to treat domestic sewage and provide a low-maintenance solution.

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Located approximately 50 kilometres south-west of Dubbo in central western New South Wales, Tomingley Gold Mine is a key site for well-known mining company, Alkane. Operated by Tomingley Gold Operations, the site has been in operation since early 2014. With an expected growth in population of up to fifty percent to 180 staff, Alkane contracted Aerofloat to design and install a new sewage treatment system. The system was designed to treat the wastewater from the shower blocks plus general sewage treatment from the toilets.

The plant was able to manage the peak flow rates and allowed for the expected population growth at the site in the future. The Aerofloat system was designed to integrate with the existing irrigation system that irrigates surrounding bushland, reducing the capital costs of the system.

Aerofloat’s General Manager, Michael Anderson said the solution allowed Tomingly Gold Operations to treat its sewage and wastewater on site.

“Aerofloat designed and installed its Sequence Batch Reactor (AeroSBR) patented technology to meet the daily wastewater flow rates and ensure compliant effluent. The resulting effluent could be discharged via the existing irrigation system.”

The AeroSBR incorporates Air-Locked Syphon decanters and Aerofloat’s patented aeration lances that ensured minimal operational downtime.

Wastewater and sewage generated from the site’s office and facility buildings required a robust and flexible system that could adapt to the daily fluctuations in flow rates. Nearly half of the minimum 180 occupants were using the site for showers during the peak flow times, with that number expected to grow by half again in the near future. Aerofloat therefore recommended its innovative, adaptable biological system to tackle Tomingley Gold Operations’ wastewater and sewage.

The Tomingley Gold Mine treatment plant was completed on schedule and the commissioning process was effortlessly handled by Aerofloat’s engineers and support staff. Remote monitoring installed at the site allowed Aerofloat engineers to log on and remotely monitor and optimise the system following commissioning.

Maintenance Manager for the Tomingley Gold Operations, Brian Prendergast, was impressed by the efficiency of the Aerofloat team,

“It was great to have the installation and commissioning period completed within the agreed timeframe, allowing minimal disruptions to our operations at Tomingley.”

Aerofloat continued to support the Tomingley Gold Operations team via remote monitoring and periodic on-site servicing, and has provided ongoing competitive chemical supply to ensure ongoing optimal effluent results.

“We’ve got remote monitoring on the system so that we are never far from support. Even though Aerofloat’s engineers are based in Sydney, they can log onto the site and make adjustments on our behalf,” said Prendergast.

Aerofloat offers innovative solutions for sewage treatment plants at remote locations across Australia. Contact Aerofloat’s engineers to discuss your sewage and wastewater treatment needs.

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