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Cathode ray tube glass recycling: an example of clean technology

机译：阴极射线管玻璃回收：清洁技术的一个例子

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摘要

In this study the use of'cleaned' end of life (EOL) cathode ray tube (CRT) glass as a raw material in ceramic glazes is described. At present, the recycling and industrial utilization of CRT, a glass material from TV and computer sets, is a subject of intense research with particular regard to the so-called open-loop recycling, namely cycles different from that of the origin. However, the use of CRT glass as a secondary raw material is strictly related to the demand of high-quality raw material. The good preliminary results reached by introducing clean TV and PC monitor panel and cone glass into ceramic glaze formulations pushed research toward the setting-up of a base glaze that is exploitable for the production of pigmented, silk-screened and flame-hardened glazes (products used industrially for coating floor tiles). The aesthetic and chemical characterization of the tiles glazed by this product showed an extremely similar behaviour to originals that did not contain CRT glass. The good technical results achieved have been supported by the life cycle assessment analysis, which has demonstrated a reduction of the environmental impact of the CRT glass-containing ceramic glaze with respect to the standard one.
机译：在这项研究中，描述了使用“清洁的”寿命终止（EOL）阴极射线管（CRT）玻璃作为陶瓷釉料的原料。目前，CRT（电视机和计算机的玻璃材料）的回收利用和工业利用，特别是所谓的开环回收，即与原产地不同的循环，正在引起广泛的研究。但是，使用CRT玻璃作为次要原材料与高质量原材料的需求严格相关。通过将清洁的电视和PC监视器面板以及锥形玻璃引入陶瓷釉料配方中，取得了良好的初步结果，推动了对基础釉料的研究，基础釉料可用于生产着色，丝网印刷和火焰硬化釉料（产品工业上用于地板砖的涂层）。该产品上釉的瓷砖的美学和化学特性显示出与不含CRT玻璃的原件极为相似的行为。生命周期评估分析支持了所取得的良好技术结果，与标准相比，该分析表明含CRT玻璃的陶瓷釉对环境的影响有所降低。

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