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An Analysis of Waste Management Policies on Utilizing Biosludge as Material Resources in Taiwan

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  • Wen-Tien Tsai

    () (Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung 912, Taiwan)

Abstract

Biosludge is a by-product of secondary wastewater treatment processes. Due to its high contents of organic carbon and plant nutrients, this bioresource can be practically reused as raw feedstock for making organic fertilizers and building materials. The objective of this paper was to provide a preliminary analysis of biosludge utilization in Taiwan, including food processing sludge, wine brewery sludge, textile sludge, pulp sludge and agricultural sludge. The discussion focused on the status of biosludge generation in recent years (2004–2010), and its sustainable management principle. This paper also presents updated information about the governmental regulations and policies for promoting these biosolids as material resources, as well as validating the regulatory levels of toxic constituents in the biosludge and its derived product (e.g., organic fertilizer). Based on the preliminary benefit analysis of utilizing biosludge as raw material for organic fertilizer, reusing biosludge, being a beneficial resource, should be superior to those by traditional treatments ( i.e. , incineration and sanitary landfill).

Suggested Citation

  • Wen-Tien Tsai, 2012. "An Analysis of Waste Management Policies on Utilizing Biosludge as Material Resources in Taiwan," Sustainability, MDPI, Open Access Journal, vol. 4(8), pages 1-9, August.
  • Handle: RePEc:gam:jsusta:v:4:y:2012:i:8:p:1879-1887:d:19595
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    More about this item

    Keywords

    biological wastewater treatment; sludge; organic fertilizer; regulatory promotion; benefit analysis;

    JEL classification:

    • Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics
    • Q0 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General
    • Q2 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation
    • Q3 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Nonrenewable Resources and Conservation
    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
    • 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
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products

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