Passive wastewater technologies save money

It’s possible to harness passive wastewater technologies to improve a company’s bottom line. It can provide cost savings by focusing on environmental and carbon reduction targets with Chankar Environmental. Here’s how.

It’s possible to harness passive wastewater technologies to improve a company’s bottom line. It can provide cost savings by focusing on environmental and carbon reduction targets with Chankar Environmental. Here’s how.

Companies must reduce their greenhouse gas emissions and minimise their wastewater treatment costs, according to Chankar Environmental. All power generation benefits are realised by applying passive wastewater technologies, such as the sun, wind, gravity, or the moon.

The same applies to wastewater treatment. The treatment unit is the most complex and energy-hungry component in a wastewater treatment system. It can be replaced with passive treatment technology. The Advanced Enviro-Septic (AES) passive wastewater treatment system, developed by Presby Environmental and distributed by Chankar Environmental, applies a simple, innovative treatment process.

AES was developed by Presby Environmental (PEI), an innovative environmental organisation. It creates new technologies to change how the world approaches wastewater treatment. PEI was founded in 1995 by inventor and entrepreneur David Presby. It now works at the cutting edge of water pollution control to help protect and preserve water.

Passive wastewater technologies invented by New Hampshire boy

At 14, New Hampshire native David Presby began his career apprenticing under his father at Presby Construction. In the 1980s, Presby discovered a lack of reliable, cost-effective approaches to wastewater treatment. It motivated Presby to begin conceptualising what later became the Enviro-Septic Technology. This technology evolved into the Advanced Enviro-Septic Wastewater Treatment System. The Advanced Enviro-Septic solution provides an alternative to complex mechanical, electrical, and chemical treatment systems with high ongoing operational and servicing costs.

PEI has continued to combine innovation, simplicity, research, and development to bring the latest developments in wastewater treatment technology to bear. It has developed a patented line of complimentary onsite wastewater treatment technologies. They are manufactured at PEI’s Whitefield, New Hampshire, USA facility.

The AES achieves Advanced Secondary Effluent quality with:

  • No power consumption (assuming gravity fall).
  • No chemical dosing.
  • No maintenance.
  • No additional greenhouse gas emissions.

The AES is scalable to meet the demands of any wastewater treatment application from a one-person shed to a town, service centre, shopping centre, national park, or mining camp of 500 or more people. There have been more than half a million installations worldwide, covering every continent. It includes 6000 installations in Australia and 1,500 in New Zealand. AES systems have been installed in every climate from the Sahara Desert to tropical north Queensland and the freezing temperatures of Canada. It is said to be able to eliminate >90 per cent of the power use and reduce maintenance and servicing by at least 90 per cent while maintaining adaptability to suit any site disposal or reuse application with the AES.

AES Australia’s passive wastewater technologies

Chankar Environmental is the exclusive distributor of the AES system across the Asia-Pacific. They have a dedicated and experienced engineering and design support team with more than 12 years of experience. It has a free CAD library to assist with an engineering team’s design of the AES system. Alternatively, it can provide design solutions. This team is there to provide support and help with optimising wastewater designs. It can calculate the increase in treatment pipes required to cater for high commercial strength influent.

More than 1,800 Australian and 400 New Zealand engineers, designers and plumbers have completed the free AES online certification course. The simplicity and detailed design support provide another tangible benefit to a project. Clients can draw upon their existing workforce of plumbers or plumbing contractors by having them complete the free online certification course to carry out the installation in-house.

Clients can replace complexity with simplicity with the company’s assistance while meeting high wastewater treatment standards. According to Chankar Environmental, saving money while reducing the project’s environmental impact is possible.

The case studies below give an insight into AES’s work with its suppliers and partners.

Carnarvon Gorge National Park, Queensland

Carnarvon Gorge is a recreation facility operated by the Queensland National Parks and Wildlife Service. Located in an isolated location with high environmental values and high seasonal visitor numbers, the existing system installed in 2020 could not cope with the load variation. Service and support costs to meet ERA licencing and public safety impacted the park’s budget.

The AES was chosen due to its passive treatment and effluent quality. It also had a proven track record in more than 70 Queensland National Parks over the previous 11 years. Off-season shutdowns have no impact on the system due to its passive treatment with the system going dormant. It also allows the bacterial ecosystem within the AES pipes to adapt as the flows increase quickly.

Wild Horse Mountain (Moby Vics) Stage 1, 2018, Queensland

This is a high-volume service centre on the Bruce Highway between Brisbane and the Sunshine Coast. The service centre includes outlets such as McDonald’s, Hungry Jacks, a Shell service station, Beefy Pies, and several other food outlets. It was originally serviced by three Aerated Wastewater Treatment Systems. They failed due to variations in loading and high biological oxygen demands (BODs). An AES was installed in 2018, providing operational cost savings and alleviating system failure.

The South Bound Service Centre is planned to double in size. The North Bound Service Centre will be upgraded with wastewater treated by the passive AES. The benefits experienced by the developers over the past three years from the AES made their choice of wastewater treatment system easy. In addition, its carbon footprint for this high-intensity application would be closer to society’s expectations around greenhouse gas emissions. Their effluent is treated without the consumption of electricity.

Lawn Hill National Park (Boodjamulla) 2022

Lawn Hill National Park is like the Carnarvon Gouge application. However, it is in a more remote location and pristine natural environment. It also faces the additional consideration of wet northern monsoons experienced in the Gulf Country. Being a passive system requires no electrical reticulation or servicing. The extreme natural weather events have no impact on the system’s operation.

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