(We can't get to zero without
Waste Diversion and Climate Change
The Sierra Club of
FYI the top 10 Ont Munc's rep.
roughly 2 MM SFH's
Solid Waste & Recycling,
Ten composting technologies shortlisted by Metro
With the introduction of foodscrap collection soon to be
complete in the ten largest municipalities in Ontario, attention is now focused
on Canada's second and third largest cities: Montreal and Vancouver.
the foodscraps collected are to be processed is the most important starting
point as subsequent choices flow from this decision including collection
frequency, container and bag types and, to a lesser degree, education and
With this in mind, the results of Metro Vancouver's Request
for Information and Qualifications (RFIQ) gives insight into technologies
currently available in Canada.
The purpose of the the RFIQ was to
"solicit information....regarding proven technologies employed at full scale
There were 23 responses with a total of ten shortlisted.
Canada Composting Inc. -- operators of the Toronto Dufferin
anaerobic digestion (AD) facility for the City of Toronto. This facility uses
the BTA technology, from Germany, which, with 26 facilites, is the largest
supplier of AD technology in the world.
Cascades Renewable Carbon Corp.
-- plans a 25,000 tpy facility using Natura-Tech composting system which uses
enclosed containers/boxes, similar to facilities in Halifax, PEI and the Ottawa
Engineered Compost Systems -- has two technologies
containers/boxes similar to Natura -Tech and horizontal silos.
-- also uses horizontal silos at facilities in London and Ottawa (under
construction) and in Europe.
Maple Reinders -- another use of horizontal
silos (Christiens Brothers) at facilities in Hamilton and Peel Region as well as
Net Zero waste -- Gore cover system, in use at numerous locations
in North America.
Organic Waste Systems -- Dranco AD, 18 facilites,
avergaing 33 tpy, the largest 120,000 tpy in Spain but only presence in North
America is a demonstration facility in Florida.
Yield Energy -- another
AD process, with three facilites in operation in Europe but none in North
R-Earth -- uses the International Composting Corp. rotary drum,
one of which is located on Vancouver Island.
To summarize, the ten
technologies breakdown as follows:
Covered windrows: 1
Containers/Boxes: 1 ? 2
Horizontal silos: 2 ? 3
Among those excluded were International Biorecovery of Vancouver and
Arrowbio, as well as two other AD technology providers and two ethanol