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    An investigation into rinse bowl efficiency in continuous woolscouring

    Whall, K. W.
    Abstract
    This investigation into rinse bowl efficiency in continuous wool scouring involved experiments to determine the effect on scoured (as-is) colour and entanglement of: turbidity, point and volume of rinse water addition, wool mat density, rinse bowl temperature and increased mechanical cleaning action. In addition to experimentation a survey of the New Zealand wool scouring industry was carried out to quantify current techniques and attitudes regarding the rinsing operation. Turbidity within the cold rinse bowls had a negligible effect on scoured colour, the main effect coming from rising turbidity levels in the final hot bowl. The use of spray bars in cold rinse bowls was found to have a beneficial effect on wool brightness once a critical nozzle velocity was achieved. Wool mat density had a major effect on scoured colour, with brightness noticeably reduced at high density. Increased mechanical action in the cold rinse bowls also effected significant improvements in scoured wool colour. Temperature in the normally cold rinse bowls was found to have no effect on scoured wool colour. None of the treatments showed any indication of reducing fibre length due to increased entanglement.... [Show full abstract]
    Keywords
    wool scouring; rinse bowl efficiency; wool colour; fibre entanglement; turbidity; mechanical cleaning; wool quality; wool mat density; wool brightness; wool scouring industry; water rinsing; New Zealand
    Fields of Research
    091012 Textile Technology; 140209 Industry Economics and Industrial Organisation
    Date
    1989
    Type
    Dissertation
    Access Rights
    This digital dissertation can only be viewed by current staff and students of Lincoln University.
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    • Theses and Dissertations with Restricted Access [2202]
    • Department of Agricultural Sciences [1440]
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