The use of composting for the treatment of animal by-products: Experiments at lab scale

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Abstract

Animal by-products (ABP), containing mainly rabbit and chicken carcasses were composted at laboratory scale. Results indicate that if proper conditions are used, wastes can be successfully composted and stabilised meeting current European hygienisation standards regarding the disposal of this type of wastes. During the process, temperatures above 60 °C were easily reached and maintained for 2 days at least, due to the high energy potential of these materials. However, care must be taken to ensure that these temperatures are reached in the entire reactor to guarantee proper hygienisation of the material. These high temperatures may bring about operational problems such as moisture losses due to very high airflows required for their control. Biological activity indices, such as respiration index (RI) and oxygen uptake rate (OUR) used for the monitoring of the process, were able to indicate potential and actual conditions within the composting reactor, respectively. © 2008 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)380-386
JournalJournal of Hazardous Materials
Volume161
Issue number1
DOIs
Publication statusPublished - 15 Jan 2009

Keywords

  • Animal by-products
  • Composting
  • Hygienisation
  • Slaughterhouse solid waste
  • Stabilisation

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