1. Question: If composting is done properly will there be odor?
ODOR CONTROL
Question: If composting is done properly will there be odor?

2. SLUDGE & BIOSOLIDS GRASS FOOD WASTE MANURES
ODOR SOURCES
SLUDGE & BIOSOLIDS
GRASS
FOOD WASTE
MANURES

3. YES - PROCESS CONTROL IS CRITICAL
But - Mother Nature Never Claimed to be Odor Free

4. HEAT DISTILLATION Boiling Points Ammonia - 33º H2S - 62º
THERMOPHILIC PROCESS
HEAT DISTILLATION
Boiling Points
Ammonia º
H2S º

5. Best Technology for Avoiding Odors Is One That Comes With
Conscientious operators
Skilled operators
Effective process control
Good housekeeping
Mother nature doesn’t much care what compost system you use! It’s not nice to fool Mother nature with bad design or operation.

6. Best Approaches for Avoiding Odors
Contain
Incorporate feedstock ASAP
Collect and treat
Disperse
Mother nature doesn’t much care what compost system you use! It’s not nice to fool Mother nature with bad design or operation.

7. TIP FLOOR

8. Enclosed Tunnels

9. AERATION ROOM

10. Enclosed System

11. Covered Biofilter

12. Covered windrows

13. Cured Compost
Bio- Caps

14. Odor Treatment is never 100%
Dilution is part of the solution
Mother Nature can sometimes use help
Worst odor never occurs when you’re there

15. Odor Criteria D/T No discernable odor No odor complaints
You can stop all of the odor some of the time, but you can’t stop all of the odor all of the time

16. Good Neighbor Policy Determine baseline data Establish relationships
Proactive policy
Listen and work with your neighbors