WATER TREATMENT UNIT AND WATER TREATMENT DEVICE

• Main Authors: KASHIHARA HIDEKI, NAKAI RYUSUKE, YAHAGI SATOSHI, UEYAMA MUNETSUGU, HAHAKURA SHUJI
• Format: Patent
• Language: English; Korean
• Published: 24.06.2014
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

A water treatment unit is usable in a water treatment apparatus that performs water treatment using a reverse osmosis membrane. The water treatment unit includes: a casing; a separation membrane mounted in the casing and bent into a pleated shape; a reinforcing member attached to the separation membrane and having a function of reinforcing the separation membrane; a rotating mechanism rotating the separation membrane; and a cleaning device capable of cleaning the separation membrane. The separation membrane has a plurality of island-like portions and a plurality of fiber-like portions extending from the island-like portions and having a width smaller than that of the island-like portions, and an area of the fiber-like portions at a membrane surface is set to be larger than that of the island-like portions.