Visy’s installation of a new $100m off sewer corrugated packaging plant required a wastewater treatment system to treat the ink waste, starch solution and boiler water to a standard suitable for irrigation or reuse.
Aerofloat’s wastewater treatment system utilised a range of technologies to ensure the wastewater could be reused within the processing plant or irrigated around the site.
The Aerofloat solution allowed the plant to adhere to the strict environmental guidelines set out by the EPA.
A robust wastewater treatment solution from Aerofloat achieved outstanding results against stubborn ink waste.
The off-sewer plant delivered a significant increase in capacity for the packaging company and used leading technology to ensure sustainability was at the core of its design. The wastewater from the plant contained a mixture of ink waste, starch solution and boiler blowdown water. The plant was not connected to the mains sewer, therefore Aerofloat focused on finding an environmentally sensitive and suitable treatment solution.
Aerofloat’s team of engineers used 3D modelling to refine the plant design prior to being awarded the project. This ensured a polished and detailed design was presented with an all-inclusive price, that meant no surprises for the packaging giant. Aerofloat’s custom solution used the following technologies:
The clever Aerofloat design enabled the treated wastewater to be 100% recycled within the corrugated box plant, whereby:
The plant operator also had the choice to irrigate the treated water to the surrounding grounds. The final effluent quality achieved for SS, BOD, COD, N, P, TDS and SAR were all below discharge limits set by the local water authority/EPA. This ensured the packaging plant achieved and maintained its commitment to the local New Zealand environment.
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