Innovative in-vessel composting system

Australia

Tasmanian farmer converts concrete mixer into composter to process chicken mortalities at low cost.

THOSE of us who have tried designing and building an in-vessel composting system are aware that the costs tend to spiral, particularly if automation is included. Typical costs for the construction of pilot in-vessel systems are on the order of $100,000 and can be considerably higher, while commercial small-scale systems can be purchased for rather less. Such small-scale in-vessel systems are increasing in popularity, with their advantage of odor control, rapid turnaround time, effective pathogen and weed seed kill, and isolation from vermin and birds. Small- or …