Department of Environmental Engineering, Chung Yuan Christian University, No. 200 Chung Pei Road, Chung-Li, 32023, Taiwan.
Department of Environmental Engineering, Chung Yuan Christian University, No. 200 Chung Pei Road, Chung-Li, 32023, Taiwan; Center for Environmental Risk Management, Chung Yuan Christian University, No. 200 Chung Pei Road, Chung-Li, 32023, Taiwan.
J Environ Manage. 2022 Aug 15;316:115243. doi: 10.1016/j.jenvman.2022.115243. Epub 2022 May 19.
Vitrification technology provides a solution for the issue of safe disposal of hazardous waste containing harmful chemical composition and organic pollutants. This review discusses application of vitrification technologies to treat hazardous waste including, asbestos, fly ash, electronic sludge, nuclear waste, medical waste and radioactive waste. Vitrification processes via Joule heating, microwave heating, plasma technology, electric arc furnaces and incinerators are compared herein. Stabilization of hazardous waste can be achieved by vitrification with the addition of flux agents/additives. Furthermore, crystalline structures, containing the silicate-glass network, are formed as a result of vitrification, depending on the type of flux agents/additives used. In addition, the concentration of heavy metals can be degraded in the final residue and leaching resistance can be achieved. Moreover, energy consumption, pollution prevention and the foreground of the practical application of vitrification are discussed. Vitrification with the advantage of encapsulating pollutants from the hazardous waste is proven to be a promising approach for hazardous waste treatment.
玻璃化技术为处理含有有害化学成分和有机污染物的危险废物的安全处置问题提供了一种解决方案。本综述讨论了玻璃化技术在处理危险废物方面的应用，包括石棉、飞灰、电子污泥、核废物、医疗废物和放射性废物。通过焦耳加热、微波加热、等离子体技术、电弧炉和焚烧炉等方法对玻璃化工艺进行了比较。通过添加助熔剂/添加剂可以实现危险废物的稳定化。此外，根据所用助熔剂/添加剂的类型，形成含有硅酸盐玻璃网络的结晶结构。此外，最终残渣中的重金属浓度可以降低，浸出阻力可以达到。此外，还讨论了玻璃化的能耗、污染防治以及实际应用的前景。玻璃化技术具有将危险废物中的污染物包封起来的优点，被证明是一种有前途的危险废物处理方法。
