公开(公告)号：US20170144896A1

公开(公告)日：2017-05-25

申请号：US15316260

申请日：2015-06-05

申请人： Mitsubishi Rayon Co., Ltd. ,  Kuraray Chemical Co., Ltd.

发明人： Hatsumi TAKEDA ,  Masanori ITAKURA ,  Masanori ITO ,  Hiroe YOSHINOBU

IPC分类号： C02F1/28 ,  B01D63/02 ,  C02F1/44

CPC分类号： C02F1/283 ,  B01D61/18 ,  B01D63/02 ,  B01D63/024 ,  B01D2313/40 ,  B01D2313/44 ,  C02F1/44 ,  C02F1/444 ,  C02F2101/36 ,  C02F2201/006 ,  C02F2307/04

摘要： A water filter cartridge is reduced in fluctuation in filtration flow rate or in filtration performance due to activated carbon, and can exhibit stable performance even at the time of large scale production; and a water purifier is equipped with the water filter cartridge. A water filter cartridge having particulate activated carbon filled in a case for accommodating a filtering material in which the ratio of the total mass of particulate activated carbon having a particle size of 0.3 to 4.0 mm relative to the total mass of activated carbon is 97% by mass or more, and, in a particle size distribution which represents the relationship of the mass ratio of activated carbon relative to the particle size of activated carbon, a peak at which the mass ratio is 31% by mass or more does not appear in a particle size range of from 0.3 to 4.0 mm.