Anaerobic Digestion • Composting • Biogas Markets • Food Waste • Manure • Low Carbon Fuels
17th Annual Conference
BioCycle REFOR17

Renewable Energy From Organics Recycling

Oct. 16, 17, 18, 19, 2017
Portland, Oregon
Red Lion Hotel On The River
Official
Conference Of
The American
Biogas Council

Agenda: Monday BioFest & Workshop | Tuesday & Wednesday Agenda | Thursday Site Tours | Event Schedule | Keynote Speakers | Networking Events
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Making the Connection:
Is Anaerobic Digestate An Asset For Aerobic Composting?

Monday, October 16, 2017, 1:00–5:00 PM

Updated 8.07

12:30 PM—1:00 PM Workshop Registration/Material Distribution

1:00 PM—1:10 PM Workshop Overview

1:10 PM—1:30 PM Introductions – Workshop Participants
And Attendees

1:30 PM—1:40 PMPresentation
Digester Feedstocks, Processes And Digestate Variability

 

1:40 PM—2:00 PMDiscussion
• How do you define contamination and how much contamination is in the feedstock?
• How do feedstocks vary based on their origin, and how do you inspect them when received?
• Controlling the digestion process to ensure proper digestion and consistent digestate

2:00 PM—2:10 PMPresentation
Composting Feedstocks, Compost Processes And Compost Products

2:10 PM—2:30 PMDiscussion
• How do you define contamination and how much contamination is in the feedstock?
• How do feedstocks vary based on their origin, and how do you inspect them when received?
• How do you control the composting process to ensure proper digestion and consistent digestate?
• Are digesters and composters competing for the same feedstocks?

2:30 PM—2:40 PMPresentation
New Digestate Standard –
Purpose, How To Use It

2:40 PM—3:00 PMDiscussion
• Does the Digestate Certification Program provide enough and the right information to composters?
• Can we trust the information?
• How often will digestate be sampled?
• Does digestate change between when it is sampled and when it arrives at the compost facility?
• How do you measure odor potential?
• Based on the presentations so far, are there some obvious marriages between digestate forms and composting approaches? Are there some obvious ways in which digestate helps/hurts the final value of compost?

3:00 PM—3:20 PM Break

3:20 PM—3:30 PMPresentation
Composting Economics –
Facility Cost, Operating Cost, Revenues

3:30 PM—4:00 PMDiscussion
• How are regulations changing the type of facilities that must be built, and the costs?
• How might the use of digestate impact the cost to build and/or operate the facility?
• Can digestate as a feedstock accelerate the composting process, and hence the throughput and revenues?
• Can composters afford to pay a tipping fee for digestate?
• Can digester operators afford to DBOOM their own composting operation?
• How quickly can supply-demand be disrupted with more compost coming on to the market?

4:00 PM—4:15 PMPresentation
Making The Connections –
How To Find Eachother, Business Models, Operational Approaches

4:15 PM—4:45 PMDiscussion
• What are the best ways to approach each other and when?
• What about a seasonal approach – digestate to land application during some times of year and digestate to composter the other times of year? How would that impact the business model and operational approach? Is it more compatible?
• What can we do to jointly increase the market and market value for compost and digestate-derived products?
• Are there some obvious research projects we could suggest to USCC and EREF?

 

4:45 PM—5:00 PM Wrap Up