A potential new commercial method for processing leather to reduce environmental impact View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2008-06

AUTHORS

Saravana Bhavan, J. Raghava Rao, Balachandran Unni Nair

ABSTRACT

INTRODUCTION: Current leather processing method involves dehairing and fibre opening employing lime and sulphide, which results in higher negative impact on the environment due to its uncleanness. This method of dehairing and fibre-opening process accounts for nearly 70-80% biochemical oxygen demand and chemical oxygen demand (COD) in tannery wastewater and also the generation of H(2)S gas. MATERIALS AND METHODS: Hence, an attempt has been made to reduce the environmental impact of the leather processing through a biochemical approach, employing proteolytic enzyme and sodium metasilicate for performing the above process more cleanly. RESULTS AND DISCUSSION: The developed process exhibits significant reduction in environmental parametres such as COD and total solid loads by 55% and 25%, respectively. This method completely avoids the formation of lime sludge. CONCLUSION: The functional properties of the leathers are also on par with conventionally processed leathers. Further, the process seems to be commercially viable. More... »

PAGES

293

References to SciGraph publications

  • 1999-09. Zero discharge in ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
  • 2003-09. Biotechnology for food, energy, and industrial products new opportunities for bio-based products in ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
  • 2004-03. The Future of Biotechnology in Support of Bio-based Industries in ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s11356-008-0001-8

    DOI

    http://dx.doi.org/10.1007/s11356-008-0001-8

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1018535929

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/18461379


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