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Pilot-Scale Recycling of HP-Indigo Printed Media and Mixed Office Waste

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Abstract:

We show here that good recyclability of HP-Indigo printed media and mixed office waste can be achieved at pilot scale while using our environmentally benign near-neutral deinking chemistry (coded HPES). The pilot trials were performed in a fashion that closely depicts a standard production operation. Various key attributes, such as the optical brightness, dirt count, ERIC value, ash content, and pH, of the accepts and rejects were closely monitored at critical stages of the recycling process. Encouraging statistical data of these various key indicators, for mixed office waste with varying amounts of HP-Indigo printed media (from 0% to 100%), suggest a recovered pulp quality which closely matches that would achieve regularly in a commercial recycling mill. It is noteworthy to point out that good recyclability of HP-Indigo printed media can be accomplished irrespective of the ink coverage and media types.

Document Type: Research Article

Publication date: January 1, 2010

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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