GreenField Ethanol Chatham plant to host full-scale demonstration of Vaperma energy-saving refining technology

    TORONTO, June 19 /CNW/ - GreenField Ethanol Inc., Canada's largest
ethanol producer, today announced that its Chatham, Ontario ethanol facility
has been chosen to implement Vaperma Inc.'s newest innovative technology;
Siftek(TM) polymeric membranes. This made-in-Canada technology represents a
new process for the production of fuel ethanol that uses substantially less
energy therefore lowering the level of greenhouse gases produced and thus the
plant's overall CO(2) footprint.
    This first industrial scale demonstration system for refining fuel grade
ethanol will be set up in Chatham and is a new trial that follows a successful
small scale demonstration of the Vaperma gas separation technology at the
GreenField plant in Tiverton, Ontario. In producing ethanol, steam is the most
important cost after corn, thus the less natural gas that is used to make the
steam which powers the plant, the better for the environment.
    "With $140 oil and global warming upon us, it is more critical than ever
for companies to reduce their energy costs and consumption," said GreenField
Ethanol President and CEO Robert Gallant. "We are confident that this
full-scale Vaperma unit will cut our energy expenditures compared with
conventional technologies."
    The Chatham demonstration project is also equipped with auditable and
credible greenhouse gas (GHG) protocols and proprietary software to measure
the emissions reduction benefits generated by the Siftek(TM) membrane system,
thereby creating tradable carbon credits.
    "By saving energy and reducing their carbon footprint, our clients can
add a new revenue stream that is linked to the emission reduction credits
resulting from the Siftek(TM) technology, under conditions that fit with
carbon credit market regulations," said Claude Létourneau, President and CEO
of Vaperma. "We are providing a win for the environment and a win for our
clients' bottom lines."

    About GreenField Ethanol
    GreenField Ethanol Inc. ( is Canada's leading
ethanol producer. The company produces 340 million litres a year of ethanol at
its plants in Chatham and Tiverton, Ontario and Varennes, Quebec. Its largest
plant to date, a 200 million litre facility in Johnstown, Ontario, will be
operational in December 2008. A fifth plant is in development in Hensall,
Ontario. GreenField is actively involved in the development of biochemical
process technology to produce cellulosic ethanol at its new research
facilities in Chatham, Ontario. GreenField's ethanol is available at more than
1,300 gas stations across Canada.

    About Vaperma
    Vaperma ( a Canadian company specializing in the
development, manufacturing and commercialization of a new hollow fiber
polymeric Siftek(TM) membrane allowing high selective separation of water from
various gas mixtures and organic vapours. Vaperma membranes are heat and
solvent resistant. Membrane technology offers an alternative to conventional
alcohol distilleries processes for the dewatering and dehydration of fuel
ethanol, chemicals and natural gas. Vaperma's advanced membrane system
technology is a major technological breakthrough in clean and renewable energy
development. By cutting by half the level of energy consumption normally
required for dehydration, Vaperma is able to meet current ethanol production
needs while greatly facilitating the emergence of cellulosic ethanol and/or
next generation ethanol. Vaperma Siftek(TM) technology provides enhanced value
to its customers' products through higher performance and economic returns.

    About Ethanol
    Ethanol is a renewable transportation fuel made from grains such as corn
and wheat, or from the cellulose fibres found in biomass including
agricultural, municipal and forestry waste. Ethanol is affordable and offers
unique environmental benefits. National Resources Canada's GH Genius model
shows that corn ethanol reduces greenhouse gas emissions (GHGs) by 40 to
60 per cent compared to gasoline. Cellulosic ethanol has the potential to
reduce GHGs by up to 87 per cent according to the US Department of Energy's
GREET model. The federal government's commitment to requiring gasoline to
contain an average of five per cent ethanol by 2010 will bring GHG reductions
equivalent to removing one million cars from Canada's highways each and every

For further information:

For further information: Melissa Armstrong, GreenField Ethanol, (416)
304-1700 x8431,; Suzanne Roy, Vaperma, (418)
839-6989 x122,

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