Mining Old Lamp Phosphors

Got something to say to this podcast? Send a voicemail, and you might hear yourself on the next episode! Episode 157 of the Professor Alex Volinsky podcast. Real waste lamp phosphors with glass went through desilication (~88% glass removed), alkaline-fusion decomposition, and two-step acid leaching: 94% rare-earth recovery in the lab (Y 96, Eu 99, Ce 81, Tb 92), 90% at ton-scale pilot, economics +1115 €/ton. The authors' own caveat: red phosphor can react with the others in the NaOH melt. Based on the paper: Multiscale Recycling Rare Earth Elements from Real Waste Trichromatic Phosphors Containing Glass; H. Liu, S. Li, B. Wang, K. Wang, R. Wu, C. Ekberg, A.A. Volinsky; Journal of Cleaner Production, 2019, Vol. 238, article 117998. Hosts Elena and Marcus. AI-generated voices.

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Mining Old Lamp Phosphors

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Talking Biotech with Dr. Kevin Folta Kevin Folta Talking Biotech is a weekly podcast that uncovers the stories, ideas and research of people at the frontier of biology and engineering.Each episode explores how science and technology will transform agriculture, protect the environment, and feed 10 billion people by 2050.Interviews are led by Dr. Kevin Folta, a professor of molecular biology and genomics.

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