p2 for printing - · pdf filep2 for printing processes mi deq & retap pollution ... do...
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P2 for Printing Processes
MI DEQ & RETAP Pollution Prevention (P2) Training
Cam Metcalf, Executive DirectorRichard Meisenhelder, P2 SpecialistLori Hoetker, Technical Coordinator
Kentucky Pollution Prevention Center (KPPC)
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❒ DO NOT LOOK @ Upcoming SLIDES!
❒ Turn to page 54 in the GUIDE & use these Process Maps (Levels 1 & 2 only) to determine printing process:
ActivitiesProductsServices
Planning Exercise: Activities, Products & Services
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Activities Products Services(Subactivities)
Prepress
Press
Postpress
Art/Copy AssemblyGraphic Arts ProcessingPlatemaking
Press Make-ReadyPrinting
Cutting/FoldingBinding/Finishing
Printed MaterialsBrochuresCatalogsArt PrintsEtc.
ReceivingShippingMaintenanceAdmin.PurchasingEHSManagersLaboratory
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Input/Output Map forPrepress Processes
Art/Copy Assembly& Design Production
Plano-graphic Plate making
Graphic Arts Photography/Image Processing
Paper
FilmWashWater
DeveloperFixer
Cleaning Solution,Chemical Storage
Containers
Plates Water
Developer,Gum ArabicGlue
Spray
WastePaper
VOCsUsed Film,
RinseWater
SpentDeveloper and Fixer,
Silver, VOCs
Dirty Rags,Empty
ContainersUsedPlates
RinseWater
SpentDeveloper
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Activity Aspect Impact
Prepress
Air EmissionsVOCs
Solid Waste Generated:Paper, film, rags, plates
Containers, etc.
SpentDeveloper & Fixer
Rinse Water
Recycling ofPaper, film,
plates
Reuse of Rags (Commercial
Laundry)
Air Pollution
Use of Landfill(Hazardous or non-hazardous)
Reduced useof landfillReduced use
of landfillWater
Pollution & SpillsContamination ofwater, air & soil
Water Pollution
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Improve Overall Controls
❒ Environmentally Preferable Purchasing (EPP)
Raw materials review & purchasing program (SW)
❒ Inventory control: First In, First Out❒ Practice Waste Separation❒ Employee Training ❒ Inspect waste storage containers for leaks
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Pre-Press Processes❒ Photo-processing
DevelopingCover developer and fixative containersMinimize dragout – rollers, squeegeesRecycle spent developer and fixer
Water rinsesOptimize bath temperature to 80 FWater conservation by intermittent water control Silver recovery from waste water
Reduce Solid Waste – improperly exposed film, packaging, containers, customer rework
Segregate and recycle
❒ Latest Trend --Increased digital work now –
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Pre-Press Processes Cont.❒ Plate Production
Chemical etching of plate (high quality, $$$)Nitric acid etching chemical Proper handling, minimizationHazardous waste handling
Optical etching of plates (typical)Developer – see previous controlsWater – see previous controls
Solid WasteRecycle aluminum plates
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Intermittent/Ancillary ProcessesGraphic Arts Photography
Mixing Solutions(fixer & developer)
1-1-a1
Camera/ProcessorMaintenance
1-1-d1
Gloves
Filling SolutionBarrels1-1-a2
Aprons
Water
Aprons
DirtyAprons
Wastewater
SpilledSolution
Solution
Aprons
SpilledSolution
WasteCleaner
Dirty Rags
GlassCleaner
Lubricant?Rags
DirtyAprons
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Intermittent/Ancillary ProcessesGraphic Arts Photography
WashwaterRecycling Unit
1-1-b1
Wastewater
Filling SolutionBarrels1-1-a2
Silver SpentFixer
Sludge
DirtyWashwater
CleanWashwater
Spent FixerContaining
Silver/MercurySilver,
Mercury
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Pre-Press Processes
❒ Press PreparationInspect rolls, machinery for defectsTest Proof
Reduce solid waste by proofing before running production.
Optimize press production planningMinimize solvent use for changes and clean-up.
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Printing Processes
❒ Press Make-ready❒ Printing
Solid WasteSet up press carefully w/ test runs
InksSelection of inks w/ low metals, VOC content.Keep containers closedAnti-skin additive
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Press Clean-up
❒ SolventSwitch to an automatic wash-up if possible (Reduce solvent by 1/3)Switch to least toxic solvent as possible (may require new ink)Minimize use by applying on towel and not machine. Recover solvent by distillation, microwave treatment, etc.
❒ TowelsLaunder and reuse after recovery process.
❒ Excess InkReadjust runs to reduce amount of excess ink. Filter and save for next color runSend to ink recycler for off-site treatment
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Post-Press Processes
❒ Post-PressAdhesives
Select low VOC glues
Solid wastePlan layout before printing to minimize wasteMinimize overrunsRecycle trimmingsRecycle rejects
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Resource Conservation❒ Latest technologies:
May require less energy, water, labor & chemicalsMay reduce set-up & make-ready times
❒ Monitor electric & water to determine:What activities consume them? Assign costs to those areas and activities.What measures might reduce usage?
❒ Monitor solid and hazardous wasteAssign & track costs in areas that generate it.
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Employee “Involvement”
❒ P2 roles & responsibilities for all employees
❒ Training & awareness programs
❒ Reward program for P2 suggestions & accomplishments
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MI DEQ & RETAP Pollution Prevention (P2) Training
Cam Metcalf, Executive DirectorRichard Meisenhelder, P2 SpecialistLori Hoetker, Technical Coordinator
Kentucky Pollution Prevention Center (KPPC)
www.kppc.orgThe Next Steps:
Assess P2 Opportunities