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Does Sustainable Management of Biodegradable Sludge Exist at All? A BACOM Project Case

In: Sustainable Sewage Sludge Management and Resource Efficiency

Author

Listed:
  • Marko Likon
  • Marjan Zemljic

Abstract

Due to the modern lifestyle and the formation of large amounts of biodegradable sludge, its processing is becoming a demanding technological and logistical project. Stabilization with pozzolanic ash and its reuse in construction industry represents one of the possible sustainable solutions. Mixing biodegradable sludge with pozzolanic ash triggers a set of physiochemical reactions such as converting heavy metals into insoluble hydroxides, forming heat due to hydration of metal oxides, and forming of a set of pozzolanic structures due to high pH and heat. Studies showed that the produced material is biologically and chemically inert and safe for use under controlled conditions. Comparison of different most widely used technologies, using life cycle analysis, indicated advantages of using material conversion of biodegradable sludge into materials rather than using it for energetic purposes. Based on the calculation of their negative influence on the environment and human health, the analyzed technologies can be categorized from those with less impact to those with higher impact: stabilization with ash

Suggested Citation

  • Marko Likon & Marjan Zemljic, 2020. "Does Sustainable Management of Biodegradable Sludge Exist at All? A BACOM Project Case," Chapters, in: Basak Kilic Taseli (ed.), Sustainable Sewage Sludge Management and Resource Efficiency, IntechOpen.
    • Handle: RePEc:ito:pchaps:209007
    DOI: 10.5772/intechopen.91037
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    More about this item

    Keywords

    biodegradable sludge; sustainable; stabilization; pozzolanic ash; LCA;
    All these keywords.

    JEL classification:

    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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