Search found 3 matches

by angus willoughby
Tue Jan 08, 2008 6:07 pm
Forum: Anaerobic Digester
Topic: fixed film in AD
Replies: 5
Views: 7903

Hi Bob I like the hybird systems that I have seen on the web. I think there is potential to operate them as businesses. Accepting waste from the community and turning it into products and energy for consumption. Wow. But for now I want to build an AD digester for my friend that will help her in her ...
by angus willoughby
Tue Jan 08, 2008 3:44 pm
Forum: Anaerobic Digester
Topic: fixed film in AD
Replies: 5
Views: 7903

AD Calculator

Hi Bob I'm curious as to what volume the AD calculator uses for horse manure? My friend has a horse farm with 20 horses. Her horses produce 54 cu ft of manure and bedding per day. If the bedding is 50% and there are 20 horses then the average daily output is 1.35 cu ft. If I use your AD calculator, ...
by angus willoughby
Mon Dec 31, 2007 1:20 pm
Forum: Anaerobic Digester
Topic: fixed film in AD
Replies: 5
Views: 7903

fixed film in AD

Hi Bob. Wonderful site you have created. I like the simplicity of your two stage design. Would adding fixed film media in the second stage reduce the HRT, or leave the HRT unchanged and produce more gas? Does it make sense to go to two tanks when the size increases to say around 1000 gallons? And my...

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