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Value added eco-friendly products from tannery solid wastes.

T P Sastry1, R K Sehgal, T Ramasami

  • 1Central Leather Research Institute, Adyar, Chennai, India.

Journal of Environmental Science & Engineering
|October 21, 2006
PubMed
Summary
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Chrome shavings, a toxic tanning industry waste, can be repurposed into valuable parchment-like membranes and leather-like materials, reducing environmental pollution and creating new products.

Area of Science:

  • Materials Science
  • Environmental Science
  • Chemical Engineering

Background:

  • Chrome shavings are a significant solid waste in the tanning industry.
  • Chromium's toxicity poses environmental disposal challenges.
  • Current utilization in leather boards is incomplete and low-value.

Purpose of the Study:

  • To develop alternative, higher-value uses for chrome shavings.
  • To mitigate environmental pollution from tanning industry waste.
  • To create value-added products from chrome shavings.

Main Methods:

  • Developed two novel processes for chrome shaving utilization.
  • Process 1: Preparation of parchment-like membranes.
  • Process 2: Development of leather-like materials.

Related Experiment Videos

  • Analyzed mechanical and physicochemical properties of the new products.

    • Main Results:

    • Successfully created parchment-like membranes and leather-like materials.
    • Parchment membranes suitable for decorative items (lampshades, wall hangers).
    • Leather-like materials applicable to footwear and accessories (chappal uppers, handbags).

    Conclusions:

    • The developed processes offer a viable solution for chrome shaving disposal.
    • These methods reduce environmental pollution and generate value-added products.
    • New applications for tanning industry waste enhance resource utilization.