|
|
- Basically,
Tohá systems are specially designed earth filters, with digging
macroorgansisms keeping the filter permeable. A UV
station may be added for the elimination of bacteria. (details
of function)
|
- Named
after its ingenious inventor, Prof. Tohá from
the "Universidad de Chile" (deceased in 1999), it was designed
for sewage, but it is well suited for industrial waste water rich in organic materials,
too. (details
of history)
|
- Main advantages
of Tohá systems, compared to conventional systems, are
the following:
- No pretreatment
-
No sludge production and -handling
- Minimal
post treatment
- Minimal energy use
-
Ecologic, in its broadest sense
(details,
and further advantages)
|
|
