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  • Description: purify
(7 results)



Display: 20

    • Winding cellophane

    • Cellophane Manufacturing Process
    • Cellophane enters one end of long casting machine as a liquid and is wound up at the other end as a dry, shiny film. On its way through the machine, a series of baths purify, wash and soften it after which it is dried. At the wind up end, a full...
    • Benzol Plant

    • Belle, West Virginia
    • Aerial view of the benzol plant at the Bell, WV Workd of the DuPont Company. Benzol is one of the materials used here in the manufactyre of nylon intermediates for the nylon yarn and plastics produced at other DuPont plants. At the left are...
    • Belle Works

    • Belle, West Virginia
    • Giant gas purification unit at Belle Works, Belle WV removes unwanted elements from coke gas at 450 pound pressure. These 85 foot scrubbers at the big DuPont plant purify carbon dioxide and carbon monoxide used in making urea, glycol and other...
    • Belle Works

    • Belle, West Virginia
    • At the Belle Works, DuPonts high pressure synthesis plant, one of the largest gas purification units in the world removes unwanted elements from coke gas. These 85 foot scrubbers purify carbon dioxide and carbon monoxide used in making urea, glycol...
    • Belle Works

    • Belle, West Virginia
    • Thylox absorbers and scrubbers cleanse and purify gases in an important step in the making of ammonia by high pressure synthesis at the DuPont Companys Belle WV Works. Coal is the main raw material used at Belle. Other products of plant include...
    • Purifying gases

    • Research Tools and Apparatus
    • At the Experimental Station, DuPont carries out fundamental research as a vital part of its scientific activities. This type of research is conducted to uncover new knowledge without regard to specific commercial objectives. Here in a fundamental...
    • Belle Works

    • Manufacturing Process of Ammonia
    • Thylox absorbers and scrubbers cleanse and purify gases in an important step in the making of ammonia by high pressure synthesis at the DuPont Companys Belle WV Works. Coal is the main raw material used at Belle. Other products of the plant include...

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