200 Organic waste recycling: technology and management
a) Earthen stove with mixing groove
b) Biogas lamps
Figure 4.17 (a) Biogas stove and (b) lamp (after McGarry and Stainforth 1978;
reproduced by permission of the International Development Research Centre, Canada
Biogas spurt holesBiogas air inletBiogas air inletBiogas-air
mixing grooveAir inletBiogas inletMantleAir inletBiogas and air mixing
chamberAir inletBiogas inletMantle
Lamp
glassHanging biogas lamp Standing biogas lampEarthen
foot
Rootstock
of lotus