[Digestion] Bolivian digester

[manuel.biogas at gmail.com]

here you havae a very easy way
it is in spanish

if you are interested in high performance cogenerator tell me and i ll send 
info but the costs are diferents also the preformances and energy usage

http://www.engormix.com/s_articles_view.asp?art=1212&AREA=POR-124



Ing Manuel Jiménez
mjimenez at criba.edu.ar
manuel.biogas at gmail.com
SKYPE =>manuel.jimenezt
0054 (9) 223 154 233340