Patent ID: 7651660
Filing Date: 2010-01-26
Classification: A23L,A61L,A61M,B01J,C02F,Y10S

Abstract:
1. Reactor for radiating ultraviolet light into a fluid reaction medium, comprising a housing which encloses a tubular cavity, with a radiation source for generating ultraviolet light and an inner tube which, together with the housing, forms an irradiation chamber which is of annular shape, the irradiation chamber being connected with an inlet and an outlet for the reaction medium and is perfused by reaction medium in the longitudinal direction of the tube, wherein the irradiation chamber is equipped with a vortex generating element selected from the group consisting of a UV transparent helical tube having a flattened cross section as said irradiation chamber, a rotatable cylindrical stirrer within said irradiation chamber, and helical ducts disposed circumferentially on the inner wall, the outer wall, or both of the irradiation chamber, wherein the cross-sectional profile of the ducts is rectangular, trapezoidal or half-round.