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FoodTech Qld 2019 exhibitor proves environmental responsibility can be a profit

A major waste-to-energy project in Queensland is being used by CST Wastewater Solutions at FoodTech Qld 2019 to show food and beverage producers how environmental responsibility can be a profit not a cost.

The technology involved in the far-sighted green energy initiative by leading meat processor NH Foods Australia, at their Oakey Beef Exports facility, is already paying handsome dividends in terms of cleaner wastewater effluent, as well as a reduced fossil fuel environmental footprint and lower energy costs.

The same GWE anaerobic technology can be applied to any food, beverage or agribusiness enterprise with a biological wastewater stream.

 This is not pie-in-the-sky future technology, this is proven, profitable technology which has demonstrated its performance over five years.

The technology will be on display on stand C34 at FoodTech Qld at the Brisbane Convention and Exhibition Centre July 28-30.

In addition to food and beverage processors, the technology can be applied to agribusiness operations including all forms of meat, livestock, poultry, fish and agribusiness, including fruit, sugar, vegetable, grains and other crops.

The Global Water & Energy (GWE) COHRAL (Covered High-Rate Anerobic Lagoon) plant involved was installed at Oakey by Australian environmental engineering and green energy authority CST Wastewater Solutions, which recently inspected the plant as it reaches its landmark fifth year of service in southern Queensland.

It found the clean, compact and robust plant is in outstanding condition, having required only routine maintenance over that time as it continuously produces 3000-4000 m3 of biogas a day, depending on plant throughput.

 The generated biogas is directly used in the plant’s existing boiler replacing natural gas. This leads to replacement of fossil fuels and sharpened cost-efficiencies at a time they are most needed during the current Australia-wide drought.

The anerobic digestion plant extracts green energy biogas from Oakey Beef Export’s wastewater streams to replace millions of dollars’ worth of natural gas over its operating life, in Queensland’s Darling Downs region.

Instead of effluent being stored in energy-costly and extensive aerated lagoons used by many food and beverage business – with associated environmental, OH&S hazard, water and odour issues – waste at Oakey is converted to biogas by a clean, green and reliable anaerobic digestion process applicable to any food, beverage or primary processing plant with an organic waste stream.

The compact GWE COHRAL plant involved occupies just half the footprint of comparable covered anaerobic lagoons.

 (Left)The Oakey plant where environmental benefits become profitable reality.

The new plant simultaneously delivers high quality wastewater by extracting organic content, which it converts into methane to replace fossil fuels. The GWE technology involved removes 80-90 per cent of organic waste content, to give cleaner effluent while also reducing odours.

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