Emsr0!n0 Tochnolo0les
Table 5.{
September 2006
- Dewatering Technologies-State of Development
Belt Filter Press
Drying Eeds
.
Contrifuge
Electrodewatering
Electrodewatering
Drying Beds
,Metal Screen Filtnation
' ' '
' lnclined Screw Press Textile Media Filtration . Bucher Hydraulic Press . DABru System ' Geotubeo Container
Augor4ssisted NaturalFreeze-Thaw Vacuum-Assisted
Vacuum Filters
Figure 5,'l
" Electroamustic " Electroosmotic Membnane Fittration . Msmbnane Filter Press
Quick Dry Filter Beds
Ohamber Press
Textile Media Filtmtisn
Simon Moos
'
Thermal Conditioning and Dewatedng
"
Electrodewatering
N
s
c,o,v
NIA
B,P
F
V
N/A
e e
VR
N/F.
A
Inclined Screw Pess
N
Bucher Hydraulic Press
o
a
c
N/A
A
DABil Svstem
N
I
N/A
e
Geotubeo Container
N
r
c,0 c,o,v
^' A
NIA
A
e
B = Bench scale
=
|
=
0= N= P=
Mechanbal Freeze-Thaw
- Evaluation of Innovative Dewatering Technologies
Quick Dry Filter Beds
D
Tubular Filter Press
Full-scale demonshations in Norffi America Full-scale Industialapplications, with danonsba[ons or pilob for municipal senage sludge Fulltrcale operations oreneas Full-scale op€ratons in Nor$ Amedca Pilot
|
= Few plants
= Indusbwide = Primarily large planb = Primaily small plants
= = = =
= = =
e e e tJ
e e
A.
A
v
e
A A
V
A
e e
Produces ClassAbiosolids
Capihlsavir€s 0perational/maint€nance savings Produces hbh-nubient fedllzer Minimlzes odors Prcvides beneficial use (nonagdculbral) Sludge volume reduc'tion
e e e e e e
Similarto thickenino
A = Agnculbre C = Consfuction N/A = NotApplicable P = Pow€r
A
e
V
5-2
Positive feature Neutral or mixed Negative feature
Biosolitls Monugemenl