Nexterra Biomass Gasification Ready to Displace Fossil Fuels in Lime Kilns and Boilers



    VANCOUVER, Aug. 18 /CNW/ - After two years of biomass gasification
testing at the company's Product Development Centre in Kamloops, BC, Nexterra
Energy Corp. (www.nexterra.ca) has confirmed that renewable synthesis gas, or
"syngas", produced by its gasifier has the ability to displace at least 60 per
cent of fossil fuels used in lime kilns. Depending on the biomass feedstock
and existing equipment configurations, 95 per cent substitution may be
possible at many pulp mills, and up to 100 per cent in certain types of
boilers.
    The ability to convey syngas from where it is produced and combust it
inside existing thermal process equipment could lead to dramatic cost and CO2
emissions reductions in a number of industries. The system could be used in
multiple industrial applications including pulp mill lime kilns, power
boilers, rotary dryers and calciners commonly found in mineral processing,
mining, cement and ethanol production industries.
    "Nexterra's direct fire biomass gasification system is now ready for
demonstration at commercial scale," said Jonathan Rhone, Nexterra President
and CEO. "Once proven at this scale, we plan a full commercial rollout for
industries such as pulp and paper, wood products, mining and others that want
to reduce operating costs while lowering their carbon footprint. Up to now,
these customers were limited to using either natural gas or fuel oil. Syngas
offers a cheaper, carbon-neutral and renewable fuel alternative."
    Nexterra's first generation gasification systems are close-coupled with
heat exchangers to generate hot water, steam or hot air. The new direct fire
application enables customers to decouple the process by producing syngas in
one location and combusting it elsewhere on a site. The product development
program included process simulation of end user equipment, as well as testing
of specialized syngas conveying, pressurization and burner equipment at
Nexterra's test facility.
    Nexterra's technological breakthrough makes the switch from fossil fuels
to syngas an attractive option for North America's more than 100 kraft pulp
mills and other industrial sites which face record high natural gas prices
and, in British Columbia's case, new carbon taxes.
    Installation of a Nexterra direct fire gasification system at an average
sized commercial pulp mill lime kiln, for example, has the potential to reduce
natural gas consumption by more than 800,000 gigajoules (GJ) per year, the
equivalent amount of natural gas needed to heat 5,000 residential homes. In
addition, such a system could save a mill several million dollars annually and
reduce greenhouse gas emissions by more than 25,000 tonnes per year.
    The direct fire testing program was supported by Sustainable Development
Technology Canada (SDTC), a not-for-profit foundation created by the
Government of Canada, as well as by Canada's National Research Council/IRAP
Program, Natural Resources Canada and Ethanol BC.
    Nexterra will present a paper on its direct fire program for lime kilns
and boilers at the TAPPI 2008 Engineering, Pulping and Environmental
Conference (www.tappi.org) in Portland, OR, on August 27, 2008.

    Photos and illustrations of Nexterra's gasification technology and
    Product Development Centre are available upon request.

    About Nexterra Energy Corp. - Nexterra Energy is a leading developer and
supplier of advanced gasification systems that enable customers to
self-generate clean, low cost heat and/or power using waste fuels "inside-the
fence" at institutional and industrial facilities. Nexterra gasification
systems provide a unique combination of attributes including design
simplicity, reliability, versatility, ultra-low emissions, low cost and full
automation to provide customers with a superior value proposition compared to
conventional solutions. Nexterra is a private company based in Vancouver, BC,
Canada. For more information: www.nexterra.ca.

    About SDTC - SDTC is an arm's-length foundation which has received
$1.05 billion from the Government of Canada as part of its commitment to
create a healthy environment and a high quality of life for all Canadians.
SDTC operates two funds aimed at the development and demonstration of
innovative technological solutions. The $550 million SD Tech Fund(TM) supports
projects that address climate change, air quality, clean water, and clean
soil. The $500 million NextGen Biofuels Fund(TM) supports the establishment of
first-of-kind large demonstration-scale facilities for the production of
next-generation renewable fuels. SDTC operates as a not-for-profit corporation
and has been working with the public and private sector including industry,
academia, non-governmental organizations (NGOs), the financial community and
all levels of government to achieve this mandate. For more information:
www.sdtc.ca

    About National Research Council Canada - Recognized globally for research
and innovation, NRC is a leader in the development of an innovative,
knowledge-based economy for Canada through science and technology. The
National Research Council Canada Industrial Research Assistance Program
(NRC-IRAP) provides a range of both technical and business oriented advisory
services along with potential financial support to growth-oriented Canadian
small- and medium-sized enterprises. Working directly with these clients,
NRC-IRAP supports innovative research and development and commercialization of
new products and services. The program is delivered by a network of 260
professionals in 100 communities across the country. Funds provided under this
program are done on a cost-share basis with their clients.

    About Natural Resources Canada - Natural Resources Canada (NRCan) puts
innovative science and technology to work so Canada's natural resources sector
can continue to contribute to our quality of life, now and in the future.
Visit www.nrcan.gc.ca to learn more. For information on the Government of
Canada's ecoENERGY Initiatives, please visit: www.ecoACTION.gc.ca.

    About Ethanol BC - Ethanol BC is a non-profit R&D funding organization
administered by FP Innovations. Grant funding now comes from a unique tax
shifting mechanism established under regulation by the Provincial government.
The program effectively allows forest companies operating bee-hive
incinerators to pay a portion of their permit fees to Ethanol BC. These funds
in turn are used to spur research and demonstration of new technologies that
will ultimately utilize mill wood residues that are now being incinerated as
wastes. The program has been in place since 2000 and is governed by a Board
consisting of forest industry, provincial and federal government
representatives.





For further information:

For further information: Nexterra Energy Corp., Raymond McAllister,
Director of Communications, Tel: (604) 637-2507, Email:
rmcallister@nexterra.ca

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Nexterra Systems Corp.

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