The use of waste cathode ray tube glass as construction material

What is it about?

The increasing amount of hazardous waste cathode ray tube glass has become the global issue. We have shown that by crushing and melting the waste CRT glass to formed a crushed and spherical shape of glass products, its can be used in replacing the natural rock in concrete production. Eventhough this kind of replacement has decreased the concrete strength, the leaching concentration of Pb from the CRT glass has significantly reduced.

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Why is it important?

The unique of our work is that we are studying the different form of CRT glass, namely as spherical glass. The common technique in preparing the CRT glass as construction material is by crushing and washing it with nitric acid. In our study, we are using the melting and annelling technique.