G'day All,
May I suggest we adopt the terms "solid digestion" (for substrates that
won't flow, moved by front end loader) and "liquid digestion" for the
more conventional pumpable substrates - all anaerobic digestion needs
moisture, only the amount varies! There is no such thing as "dry"
digestion as drying is a method of stopping degradation. If we can't get
reasonable terminology ourselves how is the general public going to
understand what we are up to?
Happy digesting,
HOOROO
Mr Paul Harris BEng (Ag) (Melbourne)
Visitor at The University of Adelaide
On 30/10/2012 6:32 AM, Terrence Sauve wrote:
Hi Robin,
The dry vs wet debate may re-ignite!
What I would assert for your planned AD system is a fairly wet mixture
from the start. Generally cheaper to keep it the way it comes out of
the digestate pipe. Dry would be nice, but who would come to build
your plant and at what cost?
If you could find resellers of Kompogaz, BECON or Dranco, it would be
good for you. I'm only aware of CEM Engineering that did some AD work
in S. Africa, but its a liquid system.
Have you considered a solid-liquid digestate seperator combined with
UF and flocculation system?
Give us more info on size or scale and amounts of feedstock coming in.
If its still the case for grid connection deadlines in Germany,
engineering firms may be looking for work past that deadline and most
of them have an internationnal portfolio. Foremost, they are always
interested to work in countries where the waste stream is full
somewhat free organic waste to digest - why send to a landfill!
Good luck
Terrence
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