Questions about energy cost and emissions...

by E. Daniel Ayres
(Ypsilanti, MI)

One of the most problematic greenhouse gasses is methane. Relative to lower temperature albeit slower composting methods, what is being produced as a by product of the higher temperature decomposition process.


Second, operation and construction of "vertical composting" systems requires significant energy inputs. Relative to slower more traditional composting which may require more space and longer time periods, what is the energy requirement of the process?



Problematic is a good descriptive term for open air methods of composting and even some other systems but you will be happy to find out that this is not a factor with the Vee-Stack.

The innovation and indeed the beauty of the Vee-Stack is that it is an in-vessel system that is so designed that greenhouse gasses are fairly well negated. Not to say they are totaly eliminated but somewhere around 96-97% negated in comparison to open air composting methods. This is largely to do with the nature of the many species of bacteria which feed upon gasses that are cooled, which in turn liquify and are returned to the pile.



If you go to AgraCycle.com and read further you will see that the system runs on a induced draft effect. There are no fans.


As far as energy costs are concerned, the unit uses just about the same amount of energy as a 100 watt light bulb since the only need for electric is for monitoring and data recording.
Hope that helps answer your questions

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