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Technology to make Idaho sugar more competitive

By Julie Pence, Ag Weekly correspondent, The Times-News
October 23, 2000
 
TWIN FALLS -- It's true -- sugar prices have plunged almost 25 percent in the past year. But by this time next year, that drop could be on the way to recovery through cheaper processing.

Amalgamated Research, Inc. (ARi) -- a company that contracts with Amalgamated Sugar Co., LLC in Twin Falls -- has received a $1.9 million grant from the Department of Energy over the next three years as part of a program to stimulate the nation's biobased products industry.

A spin-off from this research will be the testing of ARi prototypes maybe as early as next year's sugar campaign. The technology will make separating the components derived from sugar beets less expensive, said Richard Hess, who represents agricultural programs for the Idaho National Engineering and Environmental Laboratory near Idaho Falls.

"The sugar boys could make processing more economical and environmentally friendly," Hess said.

One primary savings will be the result of designing and manufacturing processing units that are significantly smaller, and thereby more efficient, than previous models. But the concept has other uses than just improving sugar purification for Amalgamated.

The purpose of the technology, in general, is to separate the chemical components of various bioproducts.

"Take straw, for example -- or cellulose," said ARi scientist, Mike Kearney. "Part of the study will be to break down the components of cellulose and then produce an energy source. We'll be taking the straw, which is not of great value to the farmer right now, and turn it into a fuel that is produced economically and is also a renewable resource."

Until now, producing fuel, or ethanol, has not been economical, but Hess said those involved in the project anticipate a 25-percent savings in ethanol production, which is enough cost-trimming to finally make it practical.

At this point in time, it is impossible to know just how many products will result from the technology that includes chromatography -- a method for separating components out of mixtures -- and membrane filtration -- another separation method in which the scientists will develop much more refined membranes. But Kerney expects some of the spin-offs will be useful to the dairy, paint and plastics industries, too.

ARi and INEEL are also working on devices for controlling the dynamics of fluids. These devices are key to the size reduction of the separation equipment, Kearney said.

ARi partnered with INEEL in order to take advantage of engineers at the lab who are able to study ARi's designs on computers to determine efficiency.

"They have very sophisticated modeling systems," Kearney said. "Rather than building many test pieces, we can test on the computer first, which amounts to huge cost savings."

The reason the DOE funded this particular proposal, Hess said, is that Idaho is unique because it has a plant where this technology can be applied -- Amalgamated in Twin Falls -- and the INEEL nearby with engineers who have advanced computational skills to test new technology.

"Sitting right here in our backyard are some of the world's best separation experts," Hess said. "And not only that, but we have the facility and the infrastructure to develop full-scale prototypes right here in Twin Falls, Idaho."