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Please note that the Topic Hubs developed by this Center have been archived and are no longer being updated.
GLRPPR has converted several of its Topic Hubs to LibGuides, which allowed for integration of some social features. View the converted hubs, as well as other LibGuides related to pollution prevention and sustainability, in the University of Illinois' LibGuides Community.
Archived: P2Rx no longer updates this information, but it may be useful as a reference or resource.
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Printing-Lithography: P2 Opportunities
Why Change?
- To gain or maintain market advantage
- To improve operational efficiency
- To avoid environmental regulation
- To improve product and work environment or
- To reduce risk exposure for employees, insurers, or creditors
How to Change?
- Compare operations using a checklist
- Generate options/alternatives for action
- Ink
- Fixer
- Blanket wash
- Fountain solution
- Consider ramifications of alternatives
- Act on best alternative
- Evaluate change
Top 10 ways to improve your environmental and waste reduction activities:
- Use closed loop recycling of fixer, with silver recovery, instead of
discharging the fixer solution down the drain or septic tank
- Use a variable flow rate when rinsing film instead of a continuous flow to
reduce the amount of water used and contaminated by the film processing
operation
- Recycle waste and scrap film, or use a direct to plate technology to
reduce the amount of silver associated with photographic films instead of
throwing away these types of films
- Recycle or reuse aluminum plates instead of discarding them into a waste
receptacle. Also, use closed loop recycling, with off site metal
reclamation, for metal etching solutions instead of discarding the metal
etching solutions down the drain
- Use low or zero-VOC fountain solutions or consider waterless printing
operations as well as replace isopropyl alcohol with alcohol substitutes in
fountains solutions (avoid glycol ethers that are classified as a Hazardous
Air Pollutant
- Use low vapor pressure solvents and blanket washes, or water miscible
solvents that also have a flashpoint greater than 140 degrees Fahrenheit
- Use solvents and blanket washes that contain no hazardous air pollutants
such as toluene or 111-trichloroethane. Also, consider the use of automatic
blanket washers, and consider on-site reclamation of solvents and blanket
washes
- Centrifuge shop towels to remove excess solvents prior to laundering
- Blend and reuse current ink supplies as in house black, instead of
disposing of them in a waste receptacle where they can be considered a
hazardous waste
- Recycle all waste paper and office paper instead of disposing of them in a
waste receptacle
Source: PRINT WI$ER; A handbook for Wisconsin Lithographic Printers on
Environmental Compliance and Pollution Prevention manual
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