Glsd mass recycle march 29 2017
•Download as PPT, PDF•
0 likes•93 views
2017 R3 Conference - Organics, Session 1 - Greater Lawrence Sanitary District
Recommended
Recommended
More Related Content
Similar to Glsd mass recycle march 29 2017
Similar to Glsd mass recycle march 29 2017 (20)
More from MassRecycle .
More from MassRecycle . (20)
Recently uploaded
Recently uploaded (20)
Glsd mass recycle march 29 2017
- 1. GREATER LAWRENCE SANITARYGREATER LAWRENCE SANITARY DISTRICTDISTRICT Update on…Update on… Organics to Energy ProjectOrganics to Energy Project MassRecycle 2017 R3 ConferenceMassRecycle 2017 R3 Conference March 27, 2017March 27, 2017
- 2. TOPICSTOPICS • Background on the Greater Lawrence Sanitary District (GLSD) • Organics Feasibility Study • Implementation Schedule • Overview of Organics Project • Processed Source Separated Organics • Successes/Challenges • Questions?
- 3. GLSD ORGANIZATIONGLSD ORGANIZATION • District Established by Chapter 750 of the Massachusetts Acts of 1968 • Governed by a Board of Commissioners • Operational Since April 1977 (40 years old) • Second largest WWTP in Massachusetts (52 MGD design flow ) • Serves: o Lawrence, Methuen, Andover, North Andover, Dracut, MA and Salem, NH o Population of over 200,000 o As Septage disposal location for 40 communities
- 4. • Co-digestion at the GLSD facility is feasible with proper revenue stream • Ability to process ~28,000 gpd (117 wet tons) of SSO (source separated organic) material in existing digestion system • May process up to 92,000 gpd (380 wet tons) of SSO material with a 4th digester • Can meet up to 40% of the Commonwealth’s goal for SSO Diversion FEASIBILITY STUDY CONCLUSIONSFEASIBILITY STUDY CONCLUSIONS
- 5. SCHEDULE
- 14. ©2016 Waste Management – Proprietary & Confidential Information WM CORe® Organics to EBSTM Page 14 CORe® SSO Receipt Hopper & Bioseparator EBS™ Product EBS™ Mixing & Storage Tank
- 15. ©2016 Waste Management – Proprietary & Confidential Information WM Engineered BioSlurry • Characterization of WM EBS™ – pH: 3.5 – 9.0 – Volatile Acids (Acetic Acid Equivalents): Less than 15,000 mg/L – Total Solids: 12.0 – 16.0% – Volatile Solids (% of Total Solids): 85 – 95% – Total COD: Greater than 180,000 mg/L – Total BOD: Greater than 80,000 mg/L – Screening 2 stage (15mm to 6mm) • Energy Potential – 1 ton of Source Separated Organics ~2.5 to 3.0 MMBTU/d EBS™ Characteristics: Page 15
- 16. SUCCESSESSUCCESSES • $9.8 M in Financial Assistance • Community and Environmental Impact Study • Amended Host Agreement • Fully Permitted • Interconnection Agreement Executed
- 17. CHALLENGESCHALLENGES • Financing an Atypical Wastewater Project (Costs vs. revenues) • Understanding the Risks • Community Acceptance • Securing Feedstock • Air Pollution Control and Engine Maintenance Costs • Market Analysis
- 18. QUESTIONSQUESTIONS Benjamin R. Mosher, P.E, BCEE Principal, CDM Smith 603-222-8381 mosherBR@cdmsmith.com Richard E. Weare GLSD Capital Projects Manager 978-685-1612 rweare@glsd.org Cheri R. Cousens, P.E. Executive Director 978-685-1612 ccousens@glsd.org