Innovation in our food system: methane
digesters make electricity from cow manure.
The methane
digester makes electricity from the manure of Straus Creamery cows.
Not exact matches
According to the Toledo Blade the bill «would eliminate the mandate that half the renewable power come from Ohio sources, a move some argue would undercut decisions
made to locate wind and solar farms and waste
digesters in the state.»
The liquid concentrate from the
digester is added to the fresh solid waste in the slurry -
making stage, or recycled to a TAR treatment, or ultimately disposed of in a conventional wastewater treatment plant.
Students are
made to be passive consumers of content (or «knowledge
digesters»), as if preparing for the world of 1953, rather than becoming the «knowledge transformers» needed in an increasingly competitive global environment.
Man has one simple stomach as well, but we have a tiny cecum (our appendix) which
makes us poor
digesters of fiber such as grasses and bark and therefore different from the rabbit.
This ingenious
digester / composter,
made in Ontario, is the simple, natural way to divert food waste from landfills.
For anyone wanting to try this at home, check out our previous posts on
making DIY Biogas
digesters.
The idea of the human and animal waste
digester is hardly new, but Mazzotta's design takes it to an interesting new place, seeking to
make it part of our everyday lives, not just a love of Ed Begley Jr.'s.
From setting up a faith - based urban farming non-profit to their video instructions on how to
make biogas with a DIY anaerobic
digester, these guys are pushing hard for community - based solutions for hunger, poverty and social exclusion.
More on the Urban Farming Guys 20 Suburban Families Uprooted for Inner - City Urban Farm (Video) How Suburban Transplants are Transforming an inner - City Neighborhood (Video) Biogas and How to
Make a DIY Anaerobic
Digester
The high sugar and fat in mayonnaise
made it the perfect fuel for the
digester, which processes thousands of tons of food waste every year.
If 50 % of food waste was used in anaerobic
digesters to
make energy, we could supply electricity to 2.5 million homes for a year.
To
make the manual waste collection work, Andriamahavita tells me, the
digester site had to be «hyperlocal» --- very close to the neighborhood where the toilets were installed, which was hard, as space is a real issue in Antananarivo.