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 Lake Wendouree weed waste could produce fuel: study 

Lake Wendouree weed waste could produce fuel: study

14 Feb, 2012 07:51 AM
LAKE Wendouree weeds may cease to be the scourge of Ballarat residents after an innovative study into bioenergy looks into using wet waste to produce fuel.

The study, which is a first in Australia, was produced as part of a six-month distance course in bioenergy technology.

Conducted by the Linnaeus University in Sweden, the course saw the first of its 10 students graduate last week .

Course co-ordinator and World Bioenergy Association board member Andrew Lang said the technology was being used in some parts of Europe for up to 30 years.

“(We can convert) municipal solid waste to energy, wood pellets for heating, buses fuelled by methane produced from sewage and wet waste, and straw being used to produce ethanol, or heat and electricity,” Mr Lang said.

The set of nine reports that were presented to the City of Ballarat last Wednesday detailed how bioenergy could produce 15 per cent of the city’s electricity, up to 30 per cent of transport fuel and 30 per cent of heating needs.

“Unlike wind energy, bioenergy has a much smaller footprint on the landscape,” Mr Lang said.

He said the technology would cost about $12 million to set up but could be recovered fully over time.

Highlands Regional Waste Management chairperson Noel Perry said the City of Ballarat had received a $50,000 grant from the state government for a feasibility study into a potential bio-energy facility.

“Ballarat and the Highlands Region Waste Management Group have been looking for solutions for organic waste for several years,” Cr Perry said.

“This funding gives us the chance to explore a range of possibilities to determine the best site, the best technology and best investment model.”

The feasibility study will also investigate how this could be implemented with no direct costs to residents.

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By the time the weed is dredged, dries out and subsequently breaks down one wouldn't have thought that the lake would produce all that much waste matter to justify a $12 million bioenergy plant. Other waste materials would need to be sourced throughout the region one would think. That said, a feasibility study not being funded by the council can't hurt at least to see if it is in fact viable.
Posted by Clint, 14/02/2012 7:34:47 AM, on The Ballarat Courier
I agree with Clint that the headline on ..Using (Lake) Weeds to Make Fuel was a distortion of the facts. Studies by the other 8 students would have covered a range of potential biomas fuels - currently ingored by the council and local businesses. An audit by CHAF around 2007 showed there is over 300 000 tonnes per year of biomass within 80 km of Ballarat that could be used to produce energy - as heat, electricity or transport fuels. Presently this biomass is almost entirely unutilised, going to landfill, burned, or left to decay with production of dangerous greenhouse gases.
Posted by ballarational, 14/02/2012 10:42:27 AM, on The Ballarat Courier
I'm concerned when I read statements like “Unlike wind energy, bioenergy has a much smaller footprint on the landscape,” Mr Lang said. I totally disagree with this statement. Mr Lang - do you realise bioenergy plants are also proposed for Victorian and NSW native forests? And Ballarat's world class Wombat Forest will be the target if Vic Forests and friends get their way. The timber industry is itching to get 'green credibility' for their eco-vandalism. Bioenergy offers a way back for some very questionable industries. We must be vigilant or Australian biodiversity will be the poorer.
Posted by Biodiversity first, 14/02/2012 10:52:04 AM, on The Ballarat Courier
Council without foresight; should have dredged the lake when empty! Long term answer is to look at a couple of island with soil dredged from rowing lanes - one for visiting and one for wildlife.

Unless there is a much bigger dump site then $12M seems a lot to waste on getting rid of the weed that many residents now do so for free. I think the $50,000 study will also be a waste of money. The research has been completed overseas.

Posted by Percy, 14/02/2012 12:21:47 PM, on The Ballarat Courier
I remember when I was a child it used to be sold and put on garden beds. Not sure why it isn't being sold by the bag and the proceeds used to fund upgrades or the trams?
Posted by Danielle, 14/02/2012 2:42:02 PM, on The Ballarat Courier
The attitude of Biodiversity First is typifies green zealots who have no understanding of the potential of biomass to reduce greenhouse emissions without cutting down any of our precious trees. Other countries do it and we could too - if our so-called Greens had a little scientific nouse and willingness to open their eyes. For example, the largest cause of greenhouse emissions from Ballarat homes is heating - which could be provided largely by multi-fuel heaters running on by spoilt grain or pellets from sawmills - at lower cost & emissions than present fuels.
Posted by ballarational, 14/02/2012 4:16:19 PM, on The Ballarat Courier
We used it as mulch/fertiliser on the garden years ago.
Posted by Billy Butterfly, 14/02/2012 5:24:08 PM, on The Ballarat Courier
To ballarational, you raise a good point. Brazil runs almost entirely on biofuel (Ethanol) however the buy off there is that they are destroying the Amazon (Once called the lungs of the planet) in order to plant sugar cane crops. Any so called biofuel ethanol would require a lot of fresh water in order to make the crops grow. The idea of creating combustible pellet from waste materials would sit awkwardly against Greens policy because obviously any combustible fuel creates carbon emissions. So we still wouldn't win.
Posted by Clint, 15/02/2012 2:18:58 PM, on The Ballarat Courier
I also used to use the weed on the garden when I was a kid living in Ballarat. In terms of biofuels, it really has many trade offs. But then again, so does renewable energy in some cases. E.g., when the snowy mountain hydro plant used diesel pumps to pump water back up the hill when they were running low. Then again, I have solar on my roof which produces much more than I use, so I'm all for renewable energy. We have the technology now, why don't we use it? Too much money in coal and other mining?
Posted by Pete, 17/02/2012 2:27:31 PM, on The Ballarat Courier

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