[Carry_Okie]

Rich in nutrients, raw sludge also can be filled with dangerous pathogens or heavy metals that must be addressed before it can be applied to fields, burned, or even buried in a landfill.

The issue of metals has been the killer for many a sludge composting project. Nothing is said in this article of how it was addressed.

[Einigkeit_Recht_Freiheit]

Same question was asked earlier. I honestly do not know the answer either.

I mainly posted it because I found it amusing, but it does cause some questions to arise.