I have had some experience of recycling these waste types to land in Britain. If you want to drop me a line (mark.ley@csgwasteman.co.uk), I will try to be of assistance.
As a rough indicator on wet volumes, assume most "hind gut" sludges press out at 15% dry matter. Most bloods have...
I have experience from the British solution to this kind of problem, but it strikes me that to acheive such a high reduction in wet volume, you will be utilising some very expensive processes.
If you want to drop me a line (mark.ley@csgwasteman.co.uk) I would be more than happy to be of any use...
I am looking into the potential of re-cycling Aluminium contaminated sludges from water treatment works to land for provision of crop nutrients and soil conditioning properties. However the Aluminium is a cause for concern, potentially leading to soil acidification and the associated problems...