WATER TREATMENT DEVICE, ULTRAPURE WATER MANUFACTURING DEVICE, AND WATER TREATMENT METHOD

• Main Author: TSUKAKOSHI MASATAKA
• Format: Patent
• Language: Chinese; English
• Published: 31.07.2018
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

To provide a water treatment device and a water treatment method able to easily and effectively remove urea from water, and to provide an ultrapure water manufacturing device able to easily obtain high-purity ultrapure water that has an extremely low TOC concentration. The water treatment device and the water treatment method, which are provided with: a non-water-soluble polymer onto which is fixed an amino group or a quaternary ammonium group; and a biological activated carbon for treating raw water that has been contacted by the non-water-soluble polymer. The ultrapure water manufacturing device, which has the water treatment device, and a primary pure water system and a secondary pure water system provided downstream from the water treatment device. 本发明提供能够简单且高度地将水中的尿素除去的水处理装置及水处理方法、以及能够简单地获得TOC浓度极低的高纯度超纯水的超纯水制造装置。本发明提供具备固定化有氨基或季铵基的非水溶性聚合物和对接触于所述非水溶性聚合物后的所述原水进行处理的生物活性炭的水处理装置及水处理方法。进而，本发明提供具有上述水处理装置、以及设置在其下游侧的次纯水系统及二次纯水系统的超纯水制造装置。