DIY Biogas Digester Research

May 12, 2021

Small biodigester build video

https://www.youtube.com/watch?v=La6yXYwVq3A #### IBC Tote based digester design

• Using a garbage disposal as an input grinder
• Algae mitigation
• Tank insulation

https://www.youtube.com/watch?v=Cwm5Rm8uIsk #### Larger build

• hydrogen sulfide filter to clean the methane
• flashback arrestor
• methane storage with inverted barrel in water for pressure and isolation.

https://www.youtube.com/watch?v=xAkIKxA3Jm0

Community-Scale Biogas Digester

Includes condenser (yellow) which removes evaporated water from biogas. https://www.youtube.com/watch?v=tdWY1-Waiuw

California Farm Case Study

At 40 minutes in if farmer talks about how the biogas collected from cow manure is enough to power the farm and all the vehicles https://pca.st/episode/eb5dcea0-4e98-4899-89f3-3324e4533d0d#### Compressing Biogas for use as CNG Alternative

https://www.haug.ch/en/references-applications/biogas-biomethane.html #### Adding a macerator to chew up everything coming in

https://www.wastetodaymagazine.com/article/anaerobic-digester-green-cow-power/