METHOD FOR BIOLOGICALLY PURIFYING WASTE WATER HAVING A LOW NUTRIENTS CONTENT, AS WELL AS APPARATUS FOR CARRYING OUT SUCH A METHOD

摘要

A method for biologically purifying waste water having a low nutrients content, wherein a high-nutrient aqueous flow is added to the low-nutrient waste water, wherein the high-nutrient aqueous flow comes from a different source than the low-nutrient waste water, as well as an apparatus for biologically purifying waste water having a low nutrients content.