Purified water production technology is divided into the following three.
(1) Pretreatment + Primary Reverse osmosis (RO) + Secondary Reverse osmosis (RO)
(2) Pretreatment + first stage reverse osmosis (RO) +EDI device
(3) Pretreatment + secondary reverse osmosis (RO+RO) +EDI device
Note: According to actual demand, activated carbon can be pasteurized, and the distribution system can be pasteurized with ozone.