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Closing the Loop: Whole System Approach to Single Stream Recycling

Explore the benefits and challenges of single stream recycling, including strategies to prevent bottle loss and increase efficiency. Discover the value of paper and PET recyclables and learn how MRF conditions impact residuals loss. Get recommendations on optimizing MRF operations and preparing for the future of recycling.

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Closing the Loop: Whole System Approach to Single Stream Recycling

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  1. California RoundtableSingle Stream: Closing the LoopTaking A Whole System Approach May 23, 2005 Dennis Sabourin, Executive Director NAPCOR P.O. Box 1327, Sonoma, CA 95476 Phone: 707-996-4207, ext. 13 Cell: 707-815-3361 dsabourin@napcor.com

  2. National Association for PET Container Resources (NAPCOR) Who Are WeWhere Are We Located * Source: Harman Paper

  3. DIVERSION VERSUS RECYCLING

  4. Single Stream Recycling • If done properly, it will work • What may be required • Proper technique • Capital expenditures

  5. Issues to Address • Increase in residuals • Loss of valuable recyclable commodities • Lost revenue due to downgrade of recyclables and lost sales opportunities

  6. Value of Paper and PET Recyclables Value of one metric ton of: Newsprint: $100 - $125 1 PET: $530 - $570 2 In California, value of one metric ton of: Curbside PET: $2,066 3 (CRV + processing payment) Sources: 1: Harman Paper, 2:PRCC, 3: DOC

  7. MRF Conditions Affect Residuals Loss • The quality of material entering a MRF greatly affects the amount of residuals leaving the MRF • Once material enters the MRF, specific conditions at the MRF greatly affect the amount of residuals leaving the MRF • Is the MRF a protected structure? • How the material is dumped on MRF floor • Is the material presorted? • Wet conditions • How many screens are used? • The size and depth of the sort stream • Speed of sorting belts Source: APC/Moore Recycling

  8. Recommendations To Prevent Bottle Loss • Educate residents so that incoming stream is decent • Strive to handle the appropriate tons per hour for the MRF • Adjust belt speed so that fiber piles do not grow too deep, thereby hiding other recyclables • Remove film before material goes through the screen • Add another star screen to single screen system • Send residuals back through the system Source: APC/Moore Recycling

  9. What’s Next? • Analyze the stream of material from your community • MRFs must be designed to handle the planned incoming stream of material • Be sure that what is diverted to the recycling stream can be recycled Source: APC/Moore Recycling

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