Hornsby Hospital’s new water recycling project helping to green the grounds
HKH A/Engineering Manager Lucas Woodford and HKH Corporate Services Manager Rizwan Rahiman
The haemodialysis unit at Hornsby Ku-ring-gai Hospital (HKH) began recycling water to help reduce water wastage. Dialysis treatments require ultra-pure water that is created by a process called reverse osmosis. Reverse osmosis contaminants
The decontaminated water is then used in dialysis treatments, while the leftover water is often sent down the drain. The haemodiaylsis unit introduced a way to reclaim the leftover water. A 10,000 litre tank captures and stores the water so some of it can be used for irrigation across the site. Approximately 1200 litres of recycled water from dialysis treatments at HKH is deposited into the tank per day.
HKH Engineer Lucas Woodford said the hospital aimed to be environmentally sustainable and use the water for other purposes. “We have installed hose taps which we use for external washing of paths and buildings across the hospital,” he said. “The recycled water also helps water garden beds and plants. “We will be continuing to see what other uses we can put any excess recycled water to across the campus in the future.”
are removed from water by pushing it through a semi-permeable membrane.
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