WATER TREATMENT SYSTEM, WATER TREATMENT METHOD, METHOD FOR PRODUCING STERILE WATER, METHOD FOR PRODUCING ANTIBACTERIAL WATER, AND METHOD FOR MANAGING WATER TREATMENT METHOD

• Main Authors: YAMAMOTO MANABU, NISHIDA TAKASHI, TAKAHASHI HAJIME, HAMANAKA RISA, HATAYA YUTO
• Format: Patent
• Language: English; Japanese
• Published: 12.01.2017
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

PROBLEM TO BE SOLVED: To provide a water treatment system that can sufficiently remove impurity components from water, and is low in equipment cost, treatment cost and management cost.SOLUTION: Provided are: a water treatment system including a primary treatment means for passing a raw water through at least one of means for carrying out a biological treatment and a means for carrying out a physicochemical treatment to produce treated water, a means for adding an inorganic coagulant and a chelator to treated water disposed downstream of the primary treatment means, and a means for carrying out a physical treatment on treated water disposed downstream of the means for adding inorganic coagulant and chelator; a water treatment method; a method for producing sterile water; a method for producing antibacterial water; and a method for managing water treatment method.SELECTED DRAWING: Figure 1 【課題】水から不純物成分を十分に除去でき、設備コスト、処理コストおよび管理コストが低い水処理システムの提供。【解決手段】原水を生物処理を行う手段および物理化学処理を行う手段のうち少なくとも一方を通過させて処理水を得る一次処理手段と、一次処理手段の下流に配置される処理水に無機凝集剤およびキレート剤を添加する手段と、無機凝集剤およびキレート剤を添加する手段の下流に配置される処理水に物理処理を行う手段を有する水処理システム；水処理方法；無菌水製造方法；抗菌水製造方法；水処理方法の管理方法。【選択図】図１