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Tooperang Quarry, Australia

Case study

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The sand washing at Tooperang Quarry near Adelaide is producing glass sands for use by Owens-Illinois (O-I) at its glass bottle manufacturing plant in Adelaide .

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The turnkey plant includes a range of equipment from the CDE product portfolio including the M2500 with integrated Counter Flow Classification Unit (CFCU), EvoWash fines recovery system, fine sand screens, attrition cells and spirals.

The plant configuration also includes an AquaCycle thickener which reduces the volume of fresh water required to feed the washing plant by more than 90%. The design feed rate to the plant is 100 tons per hour and this produces 50 tons per hour of glass sand with an additional 30 tons per hour of concrete sand.

From an initial iron oxide (Fe2O3) content in the feed of 0.3% the glass sand is required to achieve 0.25% Fe2O3 in line with O-I’s sand specification for coloured glass. The final product has less than 0.1% iron oxide. The FE2O3 content in the final silica sand product is reduced to 0.1% ensuring that it meets the specification required by O-I at their Adelaide plant.

“We are achieving the 0.1% figure consistently which is as important as achieving the reduction in the iron content” explains Chris McKeown, CDE Project Manager.

From an initial silica content of 93% for the excavated material the final product achieves +99% silica.

 

Glass Sand Washing Plant at Tooperang Quarry

The glass sands produced by Tooperang Quarry will be used at O-I’s Adelaide plant in West Croydon which produces mainly wine bottles to supply Australia’s renowned wine industry. O-I’s Adelaide plant is one of four Australian O-I facilities. Across its four production plants O-I employs around 900 people and produces almost 860,000 packed tonnes of glass products or around 3.4 billion containers each year.

Following successful completion of the project CDE have obtained Preferred Supplier Status with O-I to support future sand processing requirements. O-I Procurement Director, David Abela said “The achievement of a consistent sand specification at Tooperang Quarry in accordance with our requirements, proves CDE’s silica sand processing capabilities. CDE also delivered the project in a very professional manner through its Project Management system and it is for this reason that we will continue to work with CDE to investigate glass sand supply opportunities in other parts of Australia.”

Tooperang Quarry Case Studies


Tooperang feature - Quarry Magazine


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