Arnott, Michael <br/><br/>
The biogas - biofertilizer business handbook 

 - Maryland:  [Editorial no identificado],  1982 
 - 163 p.  ilustraciones. 
<br/><br/>05410 
<br/><br/>Biogas systems are small factories. The raw materials of biogas digestion. The daily operation of a biogas factory. The once a year cleaning of the digester. Tanks and pipes : storing and moving biogas. The factory's productos : biogas. The factory's products : biofertilizer. Safety : how to enjoy your factory. Conclusion : biogas as an appropiate technology. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogas<br/>Biodigestores<br/>Producción de Energía
<br/><br/><label>Dewey Class. No.: </label>665.776  / A764