Grain Journal - July/August 2008 - (Page 36) Grain Cleaning FOREIGN MATERIAL MEASUREMENT AND REMOVAL This article is based on a presentation by Clarence Heckert, vice president-agribusiness sales Canada for Carter Day/Jacobson, Winnipeg, MB, Canada (204-786-5781). He spoke at the 2007 GEAPS/NGFA Operations Management Conference in St. Louis, MO. Grain cleaning is defined as the phase or phases of the post-harvest system during which the impurities or undesirable materials mixed with the grain mass are eliminated as much as possible. These materials commonly are referred to as dockage or foreign material (FM). Some FM commonly found in grain: • Straw and sticks. • Chaff and hulls. • Weed seeds and other grains. • Dust and sand. • Damaged or immature kernels. • Rubbish. • Stones and soil. • Insects and insect parts. • Other non-grain materials. We clean grain of these materials to provide the end user with a clean product to improve quality and output for further processing, including milling, malting, human or animal food, seed, and other specialty processing. Among the benefits: • To save transport costs by removal of dockage. • To meet specific customer specifications. • To increase the value of the product through improved quality. • To improve storage and handling characteristics. • To improve seed yields. • To make the grain easier to dry. Grain cleaners work because of the differences in physical properties between desirable grain and FM. These differences are found in size, density or weight, length, and width or thickness. If a difference exists between the Biotech Rapid Test Kits 866-408-4597 www.envirologix.com 800-234-5333 www.neogen.com 800-338-4381 www.vicam.com QuickComb TM 6,7,8-Strip Test Reveal® Lateral Flow Strips for CP4, Aflatoxin, DON and Ruminant AflaCheck Qualitative Test Kits Response No. 361 Response No. 362 Response No. 363 • See ad on p. 99 36 GJ J/A http://www.neogen.com http://www.vicam.com http://www.envirologix.com http://www.envirologix.com http://www.vicam.com http://www.neogen.com
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