Ultrasound processing for high quality leather fat liquor production based on recovered fish oil

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Research Paper 01/09/2017
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Ultrasound processing for high quality leather fat liquor production based on recovered fish oil

M. A. Habib
J. Bio. Env. Sci.11( 3), 151-158, September 2017.
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Treatment of tanned leather with oil/water emulsion (fatliquor) is well known as leather fatliquoring. The process has to capable of transfer fatty substance into leather backbone brings about leather fibers lubrication and enhancing the tensile properties. Promoting oil affinity to the water involves oil chemical treatment; uneco-friendly exothermic sulfonation is the commonly used method. Finding economical oleo-chemical resources and an eco-friendly oil emulsification process are noble goals. In this work, a trail to offer an economical high- quality leather fatliquor avoiding non-environmental friendly traditional methods based on ultrasound clean technology has been achieved. The ultrasound fish oil recovery from fish tissues byproduct was found to be more efficient 25% over the chemical traditional methods; the oil meets the requirements to be used as a leather fatliquor with chemical properties superiority over that extracted by conventional methods. The ultrasound oil/water emulsification and emulsion stability have been studies, emulsions of 70- 80% oil/water ratio (v/v) show great stability against pH variation; they were able to incorporate the required fatty matter into leather fibers consequently the desired improvement in the mechanical properties of liquored leather have been recognized.


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