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The article describes the ecowirl technology for efficient instant whirl field dosing and mixing of liquid products into huge flows in the pulp and paper industry. It notes that the system relies on the formation of a complex multidimensional whirl field, created by an injected pushing fluid by a pressure difference. It cites the advantages of simplifying a dosing process to a less complex procedure without prediluting section. A schematic structure of an ecowirl dosing unit is presented.