Sustainable sludge handling - EU Project Neptune
Sustainable sludge handling - EU Project Neptune
Sustainable sludge handling - EU Project Neptune
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Process flow sheets without<br />
<strong>sludge</strong> triage<br />
Primary<br />
settling<br />
Biological<br />
treatment<br />
Effluent for further treatment<br />
Primary<br />
<strong>sludge</strong><br />
Sludge<br />
liquid<br />
C<br />
Sludge liquid<br />
A<br />
WAS<br />
Thickening<br />
B<br />
Mesophilic<br />
anaerobic<br />
digestion (37°C)<br />
G<br />
D<br />
F<br />
amount, composition,<br />
disposal<br />
Off gas<br />
H<br />
On-site thermal<br />
drying-incineration<br />
Chemicals,<br />
Energy<br />
No fuel is needed<br />
E<br />
P<br />
Mechanical<br />
dewatering<br />
amount, treatment,<br />
composition, disposal<br />
E<br />
Solid<br />
residue<br />
or<br />
P<br />
amount, composition,<br />
disposal<br />
Off gas<br />
Energy<br />
Off-site<br />
coincineration<br />
L<br />
O<br />
On-site drying<br />
N<br />
Fuel<br />
Energy (transport of<br />
dryed <strong>sludge</strong>; 90% DS)<br />
M<br />
Off gas<br />
Produced biogas to energy production<br />
<strong>Neptune</strong> project, contract no 036845, FP6-2005-Global-4, SUSTDEV-2005-3.II.3.2 12
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