Treating manure from livestock batteries - by pressing solid and liq. phases, freeze concentrating liq. phase to give disposable water phase and mixing concentrate with solid

摘要

Manure from battery livestock is processed by pressing it to form a filter cake and a filtrate, and freeze concentrating the filtrate to form an aq mixt which can be released into the drainage system and a concentrate which is added to the filter cake and processed into a useful fertiliser residue.