Organic Waste Recycling

228 Organic waste recycling: technology and management

W/m^2 , or about 790 gcal/cm^2 -day. Nowadays, information of illuminance and
irradiance can be obtained from meteorological data of the local weather bureau.

Figure 5.5 High-rate algal pond: (a) schematic plan, (b) schematic cross-section

Some illuminance and irradiance data of Bangkok city, Thailand are given in
Table 5.4.

OUTFLOW

SEWAGE

INFLOW

AERATOR AND

MIXER

BAFFLES

TO ALGAE SEPARATION UNIT

(a)

(b)

AERATOR / MIXER

SLUDGE