Good clean muck

2019-03-07 06:10:17

It works for milk, so why not manure? Pasteurisation may be the next big thing in the world of muck. Manure often contains pathogens such as Cryptosporidium, which can leach into streams when the manure is spread onto fields. So the US Department of Agriculture’s Soil Microbial Systems Laboratory in Beltsville, Maryland, is testing a pasteurisation process that mixes recycled materials such as cement, lime kiln dust, coal ash and gypsum with the manure. This sparks off a chemical reaction that produces heat,