Cathode ray tubes glass recycling: A review

Yaping Qi; Xiang Xiao; Yan Lu; Jiancheng Shu; Jianbo Wang; Mengjun Chen

doi:10.1016/j.scitotenv.2018.09.383

Cathode ray tubes glass recycling: A review

Sci Total Environ. 2019 Feb 10;650(Pt 2):2842-2849. doi: 10.1016/j.scitotenv.2018.09.383. Epub 2018 Oct 2.

Authors

Yaping Qi¹, Xiang Xiao², Yan Lu¹, Jiancheng Shu¹, Jianbo Wang¹, Mengjun Chen³

Affiliations

¹ Key Laboratory of Solid Waste Treatment and Resource Recycle (SWUST), Ministry of Education, Mianyang 621010, PR China.
² School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, PR China; Changsha Research Institute of Nonferrous Metallurgy, Changsha 410011, PR China.
³ Key Laboratory of Solid Waste Treatment and Resource Recycle (SWUST), Ministry of Education, Mianyang 621010, PR China. Electronic address: kyling@swust.edu.cn.

PMID: 30373061
DOI: 10.1016/j.scitotenv.2018.09.383

Abstract

With the rapid development in kinescope technologies, Cathode Ray Tubes (CRTs) now are almost completely replaced by thinner and lighter flat panel displays, such as liquid crystal displays (LCD), plasma display panels (PDP) and light emitting diode (LED) displays. Waste CRT glass contains many poisonous and harmful substances, especially lead. If it is not properly disposed of, it would pose a serious threat to the environment and human health. This paper reviews the existing waste CRT glass recycling technologies, analyses the obstacles that hinder their industrial application, pinpoints its future directions. This paper also points out the academic conflict in the risk of lead contained CRT glass and proposes a basic rule for waste treatment and disposal: the lower risk principle. The results of this study could help to understand waste CRT glass recycling and guide its future research and development.

Keywords: Lead; Recycling; Resource circulation; Waste CRT.

Publication types

Review