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Global disposal strategies for waste cathode ray tubes

Author

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  • Nnorom, I.C.
  • Osibanjo, O.
  • Ogwuegbu, M.O.C.

Abstract

The collection and management of waste electrical and electronic appliances around the world, and the possible negative environmental consequences have been an issue of current debate. Cathode ray tubes (CRTs) used as display screen for computer monitors and televisions contains large quantities of lead, estimated at between 0.5 and 4kg, depending on the size of the CRT and has been identified as the most polluting of all electronic waste components. Having failed the tests used in the toxicity characterization of solid wastes, CRTs have been declared ‘hazardous’ and subsequently banned from landfills and incinerators in most developed countries. Presently, large quantities of CRTs are generated globally with only few developed countries having effective take back and sound management program. Meanwhile, large quantities of CRT-containing devices are being moved across frontiers into developing countries in the name of ‘reuse’ and ‘bridging the digital divide’. With near absence of recycling infrastructure for electronic wastes in most developing countries, waste CRTs are disposed of with MSW at open dumps and unsanitary landfills. This paper reviews the current practices in the management of CRTs around the world, with emphasis on the role of regulations, availability of recycling infrastructure, recycling/reuse routes, and export into developing countries. Inappropriate disposal of waste CRTs creates the opportunity for large-scale environmental contamination with heavy metals, especially lead. Appropriate disposal routes are required globally in the management of CRTs in order to mitigate environmental contamination and human exposure to toxins.

Suggested Citation

  • Nnorom, I.C. & Osibanjo, O. & Ogwuegbu, M.O.C., 2011. "Global disposal strategies for waste cathode ray tubes," Resources, Conservation & Recycling, Elsevier, vol. 55(3), pages 275-290.
  • Handle: RePEc:eee:recore:v:55:y:2011:i:3:p:275-290
    DOI: 10.1016/j.resconrec.2010.10.007
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    References listed on IDEAS

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    1. Van Eygen, Emile & De Meester, Steven & Tran, Ha Phuong & Dewulf, Jo, 2016. "Resource savings by urban mining: The case of desktop and laptop computers in Belgium," Resources, Conservation & Recycling, Elsevier, vol. 107(C), pages 53-64.
    2. Yoshida, Aya & Terazono, Atsushi & Ballesteros, Florencio C. & Nguyen, Duc-Quang & Sukandar, Sunandar & Kojima, Michikazu & Sakata, Shozo, 2016. "E-waste recycling processes in Indonesia, the Philippines, and Vietnam: A case study of cathode ray tube TVs and monitors," Resources, Conservation & Recycling, Elsevier, vol. 106(C), pages 48-58.

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