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    Home > Chemicals Industry > Chemical Technology > The waterless dyeing project of Zhonghao Guangming Institute was launched

    The waterless dyeing project of Zhonghao Guangming Institute was launched

    • Last Update: 2021-08-06
    • Source: Internet
    • Author: User
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    The picture shows the launching ceremony of the demonstration line
    .


    (Photo by Zhang Yifeng)

    The picture shows the launching ceremony of the demonstration line


    The 2250L supercritical CO ₂ waterless dyeing equipment undertaken by Guangming Institute uses CO ₂ as the dyeing medium, without the use of water and chemical additives, and truly achieves no sewage discharge, which promotes the innovation of traditional water-based printing and dyeing
    .

    ₂ ₂

    Although there have been researches on this technology at home and abroad, it has not been industrialized
    .


    The dyeing efficiency of the industrialization demonstration line started this time can be shortened from 8~12 hours of traditional water dyeing to 3~4 hours, and the annual production capacity can reach 1,000 tons.



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