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- Pan, Changqing, et al. Show all 5 Authors
- Journal of cleaner production 2019 v.232 pp. 274-284
- Fourier transform infrared spectroscopy; color; developmental stages; environmental impact; ethanol; light; optical properties; paper; paper recycling; process monitoring; ultraviolet-visible spectroscopy; waste paper; xenon
- ... Unprinting of paper can reduce multiple life-cycle stages in the recycling of paper to yield significant environmental impact. Laser-unprinting has been demonstrated for uncoated paper but causes significant damage to coated paper. This work explores a scalable optical (non-laser) process for unprinting coated paper. Printed coated paper is exposed to pulsed broad-spectrum Intense Pulsed Light (IP ...