Biomass production - careful planning can bring many benefits
One way of supplying energy is to grow plant material and burn it. If managed well most of the carbon released by burning the material will be captured by the growing plants, and so have a low impact on overall levels of atmospheric carbon dioxide. Better still, the growing plants could be used to help solve other environmental problems. In a review of current systems, Göran Berndes from the Department of Energy and Environment at Chalmers University of Technology in Götenborg, Sweden highlights several systems. The review is published in this month's edition of biofuels, Bioproducts and Biorefining.
- One set of systems currently running in Sweden grows willow trees and irrigates them with sewage effluent. This helps purify the sewage outflow at the same time as providing fuel.
- Other systems plant willow buffers between arable land and water ways. The willow trees use nitrogen that is being leached off the land, making good use of it instead of letting it simply pollute the rivers and seas.
- A third system that Berndes highlights is the option of growing biomass on areas of wasteland in India. Along with providing fuel, this also stops the land becoming degraded by erosion.
"We can do biofuels right or we can do them wrong. If we develop them correctly, we can achieve great environmental, economic and social benefits. It is our responsibility to look forward and shape the emerging biofuels industry so that it actually provides these benefits," says journal editor Bruce E. Dale, Ph. D., Distinguished Professor of Chemical Engineering, Michigan State University. "With Biofuels, Bioproducts and Biorefining we intend to shed light on the pathways by which biofuels and bioproducts can realise their enormous potential for good."
Original publications: van Haveren J., Scott E.L. and Sanders J.; "Bulk chemicals from biomass"; Biofuels, Bioprod. Bioref. 2:41-57 (2008).
Pu Y., Zhang D., Singh P.M., Ragauskas A.J.; "The new forestry biofuels sector"; Biofuels, Bioprod. Bioref. 2:58-73 (2008)
Yang B. and Wyman C.E.; "Pretreatment: the key to unlocking low-cost cellulosic ethanol"; Biofuels, Bioprod. Bioref. 2:26-40 (2008)
Berndes G., Börjesson P., Ostwald M., Palm M.; "Multifunctional biomass production systems - an overview with presentation of specific applications in India and Sweden"; Biofuels, Bioprod. Bioref. 2:16-25 (2008)
Wilhelm W.W.; "My biomass, your biomass, our solution"; Biofuels, Bioprod. Bioref. 2:8-11 (2008)
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