1. The method of heat treatment of water-absorbing polymer particles at a temperature T equal to or higher than 150 ° C, in which these polymer particles are heated in a fluidization chamber (1) of a fluidized bed dryer from an initial particle temperature T equal to or lower than 50 ° C to the indicated temperature Tp heating rate of at least 10 ° C per minute. 2. The method according to claim 1, wherein the polymer particles are heated from a specified initial particle temperature Td to a specified temperature in less than 10 minutes, and Tp is preferably in the range from 170 to 245 ° C, more preferably from 190 to 235 ° C. The method of claim 1, wherein said polymer particles are prepared by polymerizing a mixture of monomers containing at least one type of ethylenically unsaturated monomer, preferably acrylic acid, present at least partially in salt form, at least one type of crosslinking agent agent, and at least one type of initiator. 4. The method of claim 3, wherein the monomer mixture further comprises at least one polyhydric alcohol as an additional crosslinking agent in an amount of at least 50 ppm, based on the total weight of the ethylenically saturated monomer, preferably in an amount of from 100 up to 1000 ppm. 5. The method of claim 4, wherein the polyhydric alcohol comprises and preferably consists of glycerol. The method of claim 1, wherein said polymer particles comprise a residual amount of water that is less than 12 weight. %, preferably in the range from 0.5 to 6 weight. %, calculated on the composition, as determined by the standard test EDANA WSP 203.3 (10). 7. The method according to claim 1, wherein before the heat treatment, the surface of said polymer particles is wetted with an amount of water that is preferred1. Способ термообработки водопоглощающих полимерных частиц при температуре Т, равной или превышающей 150°C, в котором указанные полимерные частицы нагревают в камере псевдоожижения (1) сушилки кипящего слоя от начальной температур
