FILTRING SYSTEM APPLICABLE FOR CLEANING OF LIQUID MANURE IN SWINE AND COW FARMS AND COMMUNALE SEWAGE

摘要

The filter gallery consists of insulating and a filtering layers. The insulating layer is scattered on the bottom and sides of the trough and comprises of 100 microns diameter granules of montmorillonite, activated calcium-bentonite dampened with a weak water-sugar soln. The filtering layer comprises 2-60mm granules of mineral mixtures, e.g. zeolites. - The product can be used as fertiliser