Biomass talk spreads across the state
VAIL While Summit County have been exploring biomass technology since February, the idea is starting to spread around the state.County commissioners gave approval in February to explore a biomass project, which would heat community buildings with steam resulting from burning wood chips.Last month, the Western Governors Association awarded the state of Colorado $100,000 to pursue biomass projects. It may not sound like much, but as the state and nation face dwindling energy supplies and soaring prices, its part of a growing trend to look at a variety of solutions.Were hoping it will help the state not only increase awareness of biomass possibilities, but that itll get things stimulated, said Gayle Gordon from the Western Governors Association, based in Denver. In theory, its a great source of energy that also helps reduce fuel hazards in forests.
Summit Countys study concerns heating the new hospital and some county buildings with biomass. According to Steve Hill, special projects manager for Summit County, wood-chip-fired boilers could be operating as early as next year.The principal motivation was to find a way to deal with all the beetle-kill trees and reduce fuel-loading in the forest, Hill said. Our study showed it looked feasible from a technical as well as an economic viewpoint.The number of organizations interested in biomass is slowly starting to increase. Partnerships are forming between various entities that bring different things to the table. Vail Resorts, for example, has plenty of dead trees on its slopes, plus an abundance of wood construction waste. Luke Cartin, environment coordinator for Vail Resorts, said hes been in touch with the nonprofit Leadville Institute of Science and Technology, which is at the epicenter of biomass planning in the state.In Leadville, the middle school is working with partners to heat its swimming pool using biomass technology.Were pretty far along with that project said Robin Littlepage, president of the Leadville Institute. Littlepage said the pool heating would be accomplished through the use of wood chips, which would be burned to heat water, which is then circulated to heat the pool.This kind of technology has been used in states like Vermont and Minnesota for decades. But those are states with vibrant timber industries and plenty of scrap wood from which to make chips and pellets. Its not as clear what the capabilities would be in the Colorado High Country, which is why the Leadville Institute and its partners are currently at work on a feasibility study.Some day, Littlepage said, trees from the forest could be converted into biodiesel or electricity, which could power a chairlift or run a snowcat. Larger municipal buildings would be heated using biomass, reducing dependence on expensive and unpredictable fuels like oil and natural gas.
It all depends on whether a model can be created to demonstrate that its all economically feasible. Environmental impacts are also of a concern. Summit commissioners requested an environmental study, which addressesd potential effects to air quality.Hill said the results indicated the level of emissions were not significant enough to present any concerns over air quality.Wood smoke contains nitrogen oxide, carbon monoxide and particulate matter, which can cause health and respiratory problems. Opportunities for biomassBob Evans, a chemist who works with the National Renewable Energy Laboratory in Golden, is working with the Leadville Institute to find chances to use biomass. While his background is primarily on the technical side as a scientist, Evans is adamant that any biomass initiative must be commercially viable.The trouble with Leadville is the availability of feedstock, Evans said, referring to materials that can be used in a biomass facility. There may be a fair amount of wood available in the forests, but nothing on the order of that seen in more heavily wooded areas like the upper Midwest or the Northeast. That means looking at other products, one of which, Evans said, could be absorbant materials for use in mining and water cleanup.
Thats something that could be of significant economic value, Evans said, adding that mining, which needs absorbant products, will continue to be a factor in the Colorado economy.But with fuel costs continuing to rise, biomass may become more attractive in the coming years as an alternate fuel source, he said. Economic incentives from the government can make individual projects and a full-scale facility even more viable.It will probably take about $15 million to build a facility, Evans said. Itll require public-private partnerships, also, because so much of the wood comes from public land.Ultimately, Evans and Littlepage envision a Leadville facility that will serve the surrounding communities and act as a model for other such installations across the state and country.The cost is high because wed design it as a world-class facility, Evans said. In addition to being a clearing house for things like wood chips and pellets and absorbants, it would also be a refinery for biofuels. Education would also be part of the mission.Addressing the seeming irony that the fuels of the future bear a strong resemblance to those of the past, Evans noted that 40 percent of the worlds population doesnt have access to electricity on a regular basis.Its not just the caveman; those people, their primary supply of fuel is wood, he said. Petroleum is a finite resource, so its ironic or comforting that you can grow what you need.Summit Daily News, Summit County, Colorado
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