182
G. Shelef, M. Schwarz and H. Schechter
provides the agitation needed for the exchange of nutrients, substrate, C0 2 and oxygen
between the bacterial phase at the lower part of the pond, and the suspension of algae.
Fig. 1. The accelerated Photosynthetic System in Jerusalem
The water velocity is low enough to prevent the resuspension of the bacterial floes,
which otherwise would drastically reduce the transmittance of light through the algal
suspension.
Small
Pump·..
Mixing Aeration Pump
influent
Timers
7«
Sump·''
ο?Ρ· CI !
c^
LI"
fern
Divider^
-22,5 m~2_
N
4
12,5 m
Effluent
.outlet
Fig. 2. Schematic Plan of the Photosynthetic Pond
During the course of the experiments, the effluent was drawn off only at daytime
from the top layers of the pond. Thus, the effluent contained mostly algal suspension,
whereas the bacterial sludge was accumulated in the lower 5 cm of the pond.
G. Shelef, M. Schwarz and H. Schechter
provides the agitation needed for the exchange of nutrients, substrate, C0 2 and oxygen
between the bacterial phase at the lower part of the pond, and the suspension of algae.
Fig. 1. The accelerated Photosynthetic System in Jerusalem
The water velocity is low enough to prevent the resuspension of the bacterial floes,
which otherwise would drastically reduce the transmittance of light through the algal
suspension.
Small
Pump·..
Mixing Aeration Pump
influent
Timers
7«
Sump·''
ο?Ρ· CI !
c^
LI"
fern
Divider^
-22,5 m~2_
N
4
12,5 m
Effluent
.outlet
Fig. 2. Schematic Plan of the Photosynthetic Pond
During the course of the experiments, the effluent was drawn off only at daytime
from the top layers of the pond. Thus, the effluent contained mostly algal suspension,
whereas the bacterial sludge was accumulated in the lower 5 cm of the pond.