PROBLEM TO BE SOLVED: To provide a manufacturing device of dialysis solution preparation water, capable of effectively washing a flow path of the entire device without damaging a reverse osmosis membrane treatment device.SOLUTION: The manufacturing device of dialysis solution preparation water includes an electrolytic water generator and the reverse osmosis membrane treatment device, executes reverse osmosis membrane treatment in the reverse osmosis membrane treatment device to electrolytic reduction water generated in the electrolytic water generator and supplies it for preparation of a dialysis solution. The manufacturing device of the dialysis solution preparation water includes a bypass flow path for connecting the upstream and downstream of the reverse osmosis membrane treatment device without interposing the reverse osmosis membrane treatment device.COPYRIGHT: (C)2013,JPO&INPIT【課題】逆浸透膜処理装置にダメージを与えることなく、装置全体の流路を効果的に洗浄することができる透析液調製用水の製造装置を提供することである。【解決手段】電解水生成装置と逆浸透膜処理装置とを備え、電解水生成装置で生成された電解還元水を逆浸透膜処理装置で逆浸透膜処理して透析液の調製に供する透析液調製用水の製造装置であって、逆浸透膜処理装置の上流および下流を当該逆浸透膜処理装置を介さずに連結するバイパス流路を備える、透析液調製用水の製造装置。【選択図】図1
