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This section describes the working process of printing and specifically that
of flexographic printing. Input/Output process diagrams are provided. Tables
provide typical material inputs and waste outputs based on the production process
and individual departments commonly found in a flexographic printing operation.
PREPRESS - Imaging Process (Overview): PREPRESS - Platemaking Process (Overview): PRODUCTION - Printing Process (Overview): FINISHING - Post Press Operations (Overview):
Inputs
Waste Outputs
Film
Exposed film, waste and out-of-date film
Paper
Scrap paper
Markers and Sprays
Air vapors and odors
Film Developer
Spent film developer
Film Developing Fixer
Spent film developing fixer and the silver from the film
Wash Water
Used rinse water containing film developer & fixer
Shop towels and other wipers
Rags containing solvents, waste paper from disposable towels
Cleaning Solutions
Waste solvents, air vapors, and odors
Chemical Storage
Empty chemical containers, full containers with the potential to
spill
Inputs
Waste Outputs
Rubber, Neoprene, Nitrile, Buna-n Plates
Damaged or unusable plates, waste trim materials, paper and plastic
waste, waste silver halides from silver master plates
Water
Contaminated process wash water
Plate Processing Solvent or Water
Waste plate processing (washout) solvent or water
Inputs
Waste Outputs
Ink
Waste ink, hazardous waste, non-hazardous special waste (some states), air emissions
Water
Waste water used in cleaning, thinning inks (water based
only)
Paper
Off-quality specification printed material, trim scrap and make-ready waste paper
Plates
Outdated or exhausted impression plates
Solvents
Waste and dirty solvents, hazardous waste, non-hazardous special waste (some states), air emissions
Shop Towels
Rags containing inks, solvent, oils and grease, waste paper from disposable towels. Hazardous solid waste, non-hazardous special waste (some states)
Inputs
Waste Outputs
Paper
Reject prints and trim scrap
Adhesives/Glue
Overspill and emissions
Shipping Boxes
Used boxes, shipping materials
Shop Towels
Rags containing inks, solvent, oils and grease, waste paper from disposable
towels, hazardous solid waste, non-hazardous special waste (some states)
Water
Waste wash water containing adhesives and solvents, hazardous liquid waste, non-hazardous special waste (some states), non-hazardous process waste
Solvents
Waste and dirty solvents, hazardous waste, non-hazardous special waste (some states), air emissions
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The Topic Hub™ is a product of the Pollution Prevention Resource Exchange (P2Rx) The Printing-Flexography Topic Hub™ was developed by:
Hub Last Updated: 9/4/2008 |
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P2RIC is a member of the Pollution Prevention Resource Exchange, a national network of regional information centers: NEWMOA (northeast), ESRC (southeast), GLRPPR (Great Lakes), ZeroWasteNet (southwest), P2RIC (plains), Peaks to Prairies (mountain), WSPPN (Pacific southwest), PPRC (northwest). |
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The Nebraska Business Development Center (NBDC) at the University of Nebraska at Omaha (UNO) operates the Pollution Prevention Regional Information Center. |
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