Daunted
All the above advice is very good concerning metals contamination.
Also may need to be aware that slag matterials give off toxic gases like ammonia, phenol, and formaldehyde when wet and the reactive material can be sealed inside the center of the slag heap.
Just be careful about any...
Thank you for your response about landspreading. This is an Industrial process and does contain a low level of heavy metals. Can you refer me to guidelines for metal contents for landspreading of sludge.
I am looking for a method to benifically recycle WWTP sludge. We currently produce about 1000 tons per annum and the material is non hazardous with about 70% water content with Iron being the next major constituent at about 10% and Calcium at about 3%.
I am looking for any methods to recycle...
