TasWater Project Engineer Michael Evans with the new biogas flare at the Cameron Bay STP
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A flare has been installed at the Cameron Bay Sewage Treatment Plant in Berriedale, Tasmania, to reduce odour produced by biogas.

The installation is part of a project which aims to significantly reduce odour at the Cameron Bay Sewage Treatment Plant and improve environmental outcomes.

TasWater’s Capital Delivery Office Project Manager, Derrick Clack, said the works at the plant are two-fold.

“Due to the treatment process at the plant, the site produces biogas which can be odorous,” Mr Clack said.

“The flare which we have now installed is burning the biogas to the atmosphere. By burning it, you remove the odour and the subsequent harmful effects it can have to the environment.

“The flare is also completely automated which makes it more reliable. It senses the pressure inside the plant and burns off the odour before it gets released into the atmosphere.”

The project will reach another major milestone in April 2022.

“Now we are entering the second phase of the project which features the dewatering of the sludge at the site through the use of a rotary screw press,” Mr Clack said.

“The sludge which comes out of the treatment process has odour, but we will be completely covering it up and installing ventilated bins which will control and mitigate odour at the site.”

The rotary screw press will also allow dewatering to happen more efficiently.

The works are on track for completion by the end of 2022. 

Image: TasWater Project Engineer Michael Evans with the new biogas flare at the Cameron Bay Sewage Treatment Plant. Image courtesy of TasWater.

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