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IDENTIFYING ENVIRONMENTALLY PREFERABLE USES FOR BIOMASS

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IDENTIFYING ENVIRONMENTALLY PREFERABLE USES FOR BIOMASS ( identifying-environmentally-preferable-uses-for-biomass )

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BC Bugwood Envirochem Services Inc. 4.4.2 Application of Bio-liquid to Bugwood Bio-liquid is not a product in demand and markets must be developed. The primary reason for using bugwood for bio-liquid production would be to concentrate energy to reduce transport costs. This is a niche application being promoted by Advanced Biorefinery Inc. Bugwood would be converted into bio-liquid in relatively small-scale, distributed facilities with the product shipped to central user facilities or markets. Bio-liquid is a renewable fuel that can reduce dependency on crude oil and natural gas reserves. The bio-liquid process uses all biomass components of the tree; including white wood and bark, recent or old dead wood. Bugwood has not been well studied so the quality of its bio-liquid has not been determined. However, as a feedstock, there is no reason to believe that there will be any difference in bio-liquid quality although yields may be slightly affected. One advantage of this process is that there is no major waste from the bugwood processed as is the case with pellet manufacture, which requires debarking. Conversion to bio-liquid will use whitewood, bark, bug-damaged wood and even the smaller wood and branches that cannot be used in other processes or products. ABRI supplies bio-liquid conversion plants that consume 50 tonnes/day of dry biomass to produce approximately 30 tonnes/day of bio-liquid. Greater production is accomplished by multiple parallel conversion systems. This plant is designed to be self-sufficient. Non- condensable gas and char produced is used to dry the feedstock and heat the process. It is also available for power production if a suitable generator (e.g. a Stirling engine) is found. Motors and controllers consume less than 100 kWe of power per 50 tonne module which must be supplied from a grid connection or by local (diesel) generation. Box 2 Ontario Ministry of Natural Resources: Bio- liquid ABRI has signed a Memorandum of Understanding with Ontario Ministry of Natural Resources to supply and operate a 50 dry tonne per day distillation plant in Ontario. The transportable plant is to be built in modules and shipped to the selected sites for converting logging residues (slash) to distillate. Currently the slash is being left to decompose naturally or is burnt on site. The slash, when combined with diseased wood, low value species, and fire damage could provide enough electrical energy for over two million Ontario homes - all fuelled from clean, renewable energy. Source: www.advbiorefineryinc.ca/News/news2.htm Bio-liquid produced would be collected and transported to market. The major drawback is that there currently is no ready market for bio-liquid. The most direct options would be to use this renewable fuel in existing applications to reduce fossil fuel usage. This could be the case where existing power boilers could enhance output. There may also be some heating or process applications that could be fed by bio-liquid. Few of these potential users are aware and negotiations would be needed to establish these markets. There are also new applications that could be developed specific to bio-liquid use which may be encouraged by availability of bio- liquid, cost effectiveness and government policy encouragement. This study will assume that a market will develop to consume bio-liquid produced from bugwood.5 5 In 2005, Dynamotive has agreed principal terms with a company to sell its bio-liquid and char from the Lorne, ON plant. Electricity, steam and wood residues are sold to Erie Flooring. See http://www.dynamotive.com/news/newsreleases/051206.html Page 49

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