Sludge Watch ==> London Ontario- What to do? Sludge incinerator to close for repairs
Maureen Reilly
maureen.reilly at sympatico.ca
Tue Aug 7 14:48:23 EDT 2007
Sludgewatch Admin:
Yikes...another report who thinks that you can take sludge and remove the
heavy metals to make it suitable for fertilizer. There is no city that
removes heavy metals from sludge. The sludge get called 'fertilizer' heavy
metals and all.
When Walkerton was hit with the Ecoli O157H7 outbreak all the sewege sludge
was trucked to this facility for incineration. Then all the septic tanks
from residents in the area were pumped and sent to London for hygenic
disposal.
If London is having second thoughts about its landfill...its really going to
take some heat when stinky sludge goes there....
...............................................
Incinerator out months
Tue, August 7, 2007
By JONATHAN SHER, SUN MEDIA
London Free Press
http://lfpress.ca/newsstand/CityandRegion/2007/08/07/4398785-sun.html
The London incinerator that burns what is politely called biosolids, dried
and compressed human stool, will be out of commission for seven months next
year, with officials scrambling to avoid a stink.
The incinerator at Greenway Pollution Control Plant, typically shut down for
a month each year for maintenance, will be down early in 2008 for a major
refurbishment.
Unless the city finds another way to handle it, the bioslids would be
trucked around the clock, five days a week, to its landfill in south London,
with only fabric containing the stench.
"The process of hauling sludge cake (human stool) is odorous along the
entire route and at the landfill," city staff say in a report to the
environment and transportation committee.
Many cities in Canada and the United States no longer incinerate human stool
due to environmental concerns. In California, for example, only five per
cent is incinerated.
But London has done so since 1964 and the process is considerably cheaper
than hauling it to a landfill: $1.35 million a year for the former and $4.9
million for the latter.
Other cities neutralize pathogens and remove heavy metals so the end-product
can be sold and used on farms. While the costs of treatment can be
substantial, they are partly offset by revenue.
While city engineer Peter Steblin intends to continue to use incineration,
he wants alternatives to hauling it, a direction praised by Coun. Judy
Bryant.
"Sometimes what's cheap in the short run is costly in the long run in terms
of our health and environment. We have to see this as an opportunity to do
the right thing," Bryant said yesterday.
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