Evaluation of Multiple-Stage Lint and Mill Cleaning for Controlling Cotton-Dust Levels in Cardrooms

Griffin, A. C., and Bargeron, J. D.,

No 313217, Marketing Research Reports from United States Department of Agriculture, Agricultural Marketing Service, Transportation and Marketing Program

Abstract: Spindle-picked cotton was ginned with multiple lint-cleaning sequences and two mill-cleaning setups to determine the effects of gin- and mill-cleaning levels on the quantity of airborne dust in a model cardroom, the rate of microdust buildup in open-end spinning-frame rotors, and other manufacturing and yarn-quality factors. The experiment showed that using supernormal quantities of lint cleaning at the gin in combination with maximum mill cleaning reduced cardroom dust levels but did not provide enough reduction in airborne dust levels to suggest that gin lint cleaning can offer a real expectation of reaching the low level of 0.2 milligram per cubic meter of cardroom dust proposed by the Occupational Safety and Health Administration. The loss of one staple length (one thirty-second of an inch) resulting from treatment with four saw-cylinder lint cleaners, along with the accompanying lowered yarn strength, are warnings that the use value of cotton fibers as competitive textile raw materials may likely be destroyed by multiple-stage lint cleaning before the proposed allowable dust level in the cardroom is attained.

Keywords: Crop Production/Industries; Environmental Economics and Policy; Health Economics and Policy; Marketing; Research and Development/Tech Change/Emerging Technologies (search for similar items in EconPapers)
Pages: 10
Date: 1980-10
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Persistent link: https://EconPapers.repec.org/RePEc:ags:uamsmr:313217

DOI: 10.22004/ag.econ.313217

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