Eastman revamps BioExtend for 'no harm' certification

By Nicholas Zeman | May 11, 2009
Posted June 3, 2009

Eastman Chemical Co. has marketed a second and improved version of its line of additives for biodiesel formulations under the trade name BioExtend 30 HP. "It maintains its easy to use characteristics but ensures that it will not do damage to engine components, which petroleum companies-especially in Europe-are demanding," said Nancy Kinkade of Eastman's BioExtend scientific team. The "no harm" certification was made by the Biodiesel Quality Management Association of Germany (AGQM).

Kinkade says there will be more and more testing of various products and additives for biodiesel that meet the "no harm" certification requirements. "Before, there were only one or two additives that the companies in Europe were willing to accept in the biodiesel they purchased," Kinkade said. "So AGQM decided to expand the products they certified because they thought many were superior to the one that was approved." AGQM spent most of 2008 evaluating biodiesel stabilizers and in January 2009 released a list of 13 products it had approved.

BioExtend can be added to biodiesel at virtually any point in the supply chain. Most often it's added to the fuel by the actual producer, but it can also be added by distributors or even end users. "An airport with material in its tanks for ground equipment can add BioExtend to its supplies to extend the shelf-life and oxidative stability of their biodiesel," Kinkade said. "Bioextend allows biodiesel to be retreated several times so that oxidative stability can be improved at various points in the supply chain."

Eastman BioExtend 30 HP is a result of research and development efforts to assist customers in meeting ever increasing fuel regulations, Eastman said. "We do expect the ASTM spec for oxidative stability to increase from its current limits," Kinkade said. "BioExtend allows biodiesel to perform way above the parameters that are now in place-even if those parameters are doubled in the future."
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