IMPROVED METHOD FOR WATER PURIFICATION

摘要

The present invention relates to an improved method of controlling a wastewater treatment plant. In particular the invention relates to a method of identifying a condition and as a result of this apparent condition changes the treatment of the waste water. Especially the present invention relates to a method of improving the nutrient removal in wastewater treatment plants. The present invention provides a control method comprising a cycle with two phases, a first and a second phase, the first phase continues until sufficient nitrification is obtained and the uptake of phosphate reaches a defined level based on the current load or capacity situation, and the second phase continues until sufficient denitrification is obtained and until the storage of intercellular compounds in the phosphorus accumulation organisms (PAO) reaches a defined level.