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 Cotton Ginning Research: Las Cruces, NM
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ARS Home Plains Area Las Cruces, New Mexico Cotton Ginning Research Research Publications at this Location





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Research Project: Enhancing the Quality, Utility, Sustainability and Environmental Impact of Western and Long-Staple Cotton through Improvements in Harvesting, Processing, and Utilization Location:
                                Cotton Ginning Research Title:   Author  item
                                            Whitelock, Derekitem
                                            JIANG, WENBIN - New Mexico State Universityitem
                                            Armijo, Carlositem
                                            RAYSON, GARY - New Mexico State Universityitem
                                            Byler, Richarditem
                                            Hughs, Sidneyitem
                                            Pelletier, Mathewitem
                                            Baker, Kevinitem
                                            Fortier, Chanel
  Submitted to: ASABE Annual International Meeting
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 7/27/2015
                                    Publication  Date: 7/27/2015
                                    Citation: Whitelock, D.P., Jiang, W., Armijo, C.B., Rayson, G., Byler, R.K., Hughs, S.E., Pelletier, M.G., Baker, K.D., Fortier, C.A. 2015. Current research to maintain contamination-free U.S. cotton. ASABE Annual International Meeting. Paper No. 152188755.Interpretive Summary:
                                Technical Abstract: U.S. cotton is considered to have some of the lowest levels of contamination in the world. That reputation is expected by foreign and domestic mills. Despite this reputation, U.S. spinners have recently experienced some serious contamination issues with U.S.cotton. Of particular concern are plastic contaminants – plastic trash that collects in cotton fields, black plastic film used as mulch in fields, plastic twine typically used for baling, and yellow plastic film used for round module wrap. These contaminants are typically introduced prior to ginning, but mechanical processes at the gin can tear and shred the plastics so that they become more difficult to detect and remove. Thus, the first line of defense against these contaminants should be set before or early in the gin process. For the U.S. cotton to maintain its status as “contamination-free”, the industry must strive to prevent contaminants from entering the cotton stream and to eliminate them when they slip in undetected. This presentation summarizes current research at the SW Cotton Ginning Research Laboratory to develop an inexpensive and reliable method to detect plastics contamination at the gin utilizing distinct differences in NIR/IR spectra between seed cotton and different types of plastics. Experiments showed that several portions of the infrared spectrum exhibited distinct differences between cotton and plastics. Simulations suggested that lower resolution and lower cost components could be utilized to detect the contaminants. A bench-top device was constructed and demonstrated proof-of-concept. Accuracy and sensitivity analyses are currently underway.


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