State of Technology for MSW Processing - Energy
Transcript of State of Technology for MSW Processing - Energy
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State of Technology for MSW Processing:Smart Technologies for Processing MSW
February 2020
By
Bradley Kelley, Senior Project Engineer
Gershman, Brickner & Bratton, Inc.
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We believe in a worldwhere discarded materials are used as resources rather than wasted – for the benefit of communities and the environment.both today and far into the future.
Gershman, Brickner & Bratton, Inc.Innovative, Sustainable Solutions for Solid Waste Management
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State of Technology
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Technology Number
Source Separation Collections 9,000
Material Recovery Facilities (MRF) 736
Composting 2,300
Mixed Waste Processing Facilities (MWPF) 51
Mass Burn WTE 65
Modular WTE 9
RDF -Processing &/ or Combustion 20
Anaerobic Digestion 19
Transfer Stations 3,350
Landfills 1,908
U.S. Waste Management Infrastructure
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Sources: Most from Eileen Berenyi’sResearch ~ 2012-2015
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MSW Processing
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Household Outputs
Organics (1)21.0%
Recyclables (2)27.7%
Other Residue (3)
25.7%
Organics (1)0.9%
Recyclables (2)23.1%
Other Residue (3)1.7%
Recycling Cart
25.7%
3.6%
6.5%
90%
(1) Contains Food Waste, Soiled Paper, and Yard Trimmings(2) Contains OCC, Other Fibers, PET, HDPE, Mixed Plastics, Al, Fe, Film and Glass(3) Includes C&D, Diapers, Textiles, Electronics and Other Residue
Source: GBB –Fayetteville, NC &Fort Worth, TX
Percentage in Recycling Cart
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MSW Processing
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Map of Modern MWPF Locations
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MSW Processing
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Modern MWPF Facility Layout
Source: CP Group –WIWMD
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• Pre-treatment of waste dedicated to landfills
• Recover recyclables and fuel/energy from mixed MSW otherwise going to landfill
• Stabilizing organics fraction
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Products:Recyclables
CompostBiogas/
ElectricityRDF/EF
Mechanical & BiologicalTreatment Plant
Mixed MSW
Source Separated Organics
Source Separated
Recyclables
MSW source
MSW ProcessingMBT Processing
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MSW ProcessingMBT Processing
Source: GBB –Entsorga
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Processing Systems of the Future
• The Future of Material Recovery Facilities (MRF): New Processing Systems will Consist of More of the Following:
o Combined Systems
⁻ Systems will be capable of processing more than one type of stream,
with some equipment processing multiple streams
o More Optical Units, less Screens
⁻ Optical units will be utilized to recover more materials including fiber
⁻ Streams need only be divided by size/density prior to optical units
(instead of by shape)
o Robotic Sorters
⁻ Both for QC and for Pre-Sort – can positively pic multiple materials
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Processing Systems of the Future
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Combined Systems
Source: MRWMD/BHS – Monterey, CA
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Optical Units
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Source: CP Group / BHS
If you can see it, you can collect it....
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Optical Units
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Source: TiTech/Tomra
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Smart Technologies for MRFs
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Improved Optical Units
• With improvements in algorithms, shape recognition and attention to air flow characteristics, optical units can now better recover:
o Types of Fiber
o Clean Wood
o Film
o Flexible Packaging
o Cartons
o Other potential target materials (i.e. Black Plastics)
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Smart Technologies for MRFs
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CP Groups CIRRUS® FiberMaxTM
Source: CP Group
• Utilizes air flow to keep light-weight items from flying off the belt and improve trajectory
• Positive eject on plastics, other materials
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Smart Technologies for MRFs
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Video of CIRRUS® FiberMaxTM
Source: CP Group
http://www.mssoptical.com/cirrus-maxselect/fibermax//
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Smart Technologies for MRFsOther Optical Advancements – Additional
Spectrum and Lasers
Source: Tomra
Tomra LODSteinert Unisort Black
Source: Steinert
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Processing Systems of the Future
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The Rise of the Robots
Source: “The Day the Earth Stood Still” 1951
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Smart Technologies for MRFs
Source: Machinex / BHS
Robot Sorters SamurAITM and Max-AI®
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Smart Technologies for MRFs
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Robotic Sorters
Source: AMP / Van Dyk
AMP Cortex RoBB-AQC
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http://www.max-ai.com/
Source: BHS
Video of QC Robotic Sorter – Max AI®Smart Technologies for MRFs
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Smart Technologies for MRFs
• Advantageso Better Speed and Accuracy (for most items) than Manual QC (Most will
achieve 98% purity (or more) after an optical unit for PET or HDPE)
o No Pee Breaks!o Decent ROI
• Disadvantageso Expensive (not right for all situations)
o New, difficult to know lifespan and maintenance needso Still susceptible to items that aren’t “seen”o Limited belt sizes and throughput (for now)
o Don’t believe all the hype....
QC Robotic Sorters – Advantages and Disadvantages
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Smart Technologies for MRFs
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Robotic Sensors with AI
Source: WasteRobotics
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Processing Conclusions
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The lines between processing Single Stream, MSW and C&D will become blurred
o Systems will be capable of processing multiple material streams
o Opticals and robotics will be able to easily target multiple materials
not traditionally recovered
o AI and sensors will increase the knowledge regarding what is in
both inputs and outputs from processing systems
o The very nature of the processing systems will create new
commodity streams that without a market will become residue
o The processing facilities will need to be part of a larger recovery
system to be successful (SBP or MMC’s)
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Additional Info
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Technology and Equipment Guide
Supplemental Report: The Evolution of Mixed Waste Processing
Facilities – Technology and Equipment Guide (2015)
- Prepared for the American Chemistry Council
- https://plastics.americanchemistry.com/Education-
Resources/Publications/The-Evolution-of-Mixed-Waste-
Processing-Facilities-Technology-and-Equipment-Guide.pdf
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Thank you!
Questions and Comments?
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Bradley Kelley, BSME
www.gbbinc.com
1-800-573-5801
1-