METHOD FOR OPERATING ION EXCHANGE SYSTEM

To provide a method for operating an ion exchange system capable of appropriately regenerating ion exchange towers so that regeneration timings of the respective ion exchange towers do not overlap.SOLUTION: There is provided a method for operating an ion exchange system including regenerating ion ex...

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Hauptverfasser:	TAMURA AKIYUKI, YOSHIMATSU HIROYA
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Sprache:	eng ; jpn
Schlagworte:	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
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creator	TAMURA AKIYUKI YOSHIMATSU HIROYA
description	To provide a method for operating an ion exchange system capable of appropriately regenerating ion exchange towers so that regeneration timings of the respective ion exchange towers do not overlap.SOLUTION: There is provided a method for operating an ion exchange system including regenerating ion exchange towers sequentially so that while some ion exchange towers are being regenerated, other ion exchange towers are producing pure water, by differentiating a starting timing of raw water supply to each ion exchange tower and a stopping timing of pure water sampling. In a state where pure water is being produced in both the ion exchange towers with first and second regeneration orders, when a remaining water sampling time in the ion exchange tower with a second regeneration order reaches a required regeneration time of the ion exchange tower with the first regeneration order, regeneration of the ion exchange tower with the first regeneration order is started even if the ion exchange tower with the first regeneration order has not reached a scheduled water sampling amount.SELECTED DRAWING: Figure 1 【課題】各イオン交換塔の再生時期が重なることがないように適切にイオン交換塔の再生を行うことができるイオン交換システムの運転方法を提供する。【解決手段】各イオン交換塔への原水通水開始時期と純水採水停止時期とを異ならせ、一部のイオン交換塔で再生を行っているときに他のイオン交換塔で純水製造を行うように順番にイオン交換塔の再生を行うイオン交換システムの運転方法において、再生順番が1番及び２番となっているイオン交換塔の双方で純水を製造している状態において、再生順番２番のイオン交換塔における採水残余時間が再生順番1番のイオン交換塔の再生所要時間に達したときには、再生順番1番のイオン交換塔が採水予定量に達していなくても再生順番1番のイオン交換塔の再生を開始する。【選択図】図１
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In a state where pure water is being produced in both the ion exchange towers with first and second regeneration orders, when a remaining water sampling time in the ion exchange tower with a second regeneration order reaches a required regeneration time of the ion exchange tower with the first regeneration order, regeneration of the ion exchange tower with the first regeneration order is started even if the ion exchange tower with the first regeneration order has not reached a scheduled water sampling amount.SELECTED DRAWING: Figure 1 【課題】各イオン交換塔の再生時期が重なることがないように適切にイオン交換塔の再生を行うことができるイオン交換システムの運転方法を提供する。【解決手段】各イオン交換塔への原水通水開始時期と純水採水停止時期とを異ならせ、一部のイオン交換塔で再生を行っているときに他のイオン交換塔で純水製造を行うように順番にイオン交換塔の再生を行うイオン交換システムの運転方法において、再生順番が1番及び２番となっているイオン交換塔の双方で純水を製造している状態において、再生順番２番のイオン交換塔における採水残余時間が再生順番1番のイオン交換塔の再生所要時間に達したときには、再生順番1番のイオン交換塔が採水予定量に達していなくても再生順番1番のイオン交換塔の再生を開始する。【選択図】図１</description><language>eng ; jpn</language><subject>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</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230808&DB=EPODOC&CC=JP&NR=2023109499A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230808&DB=EPODOC&CC=JP&NR=2023109499A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAMURA AKIYUKI</creatorcontrib><creatorcontrib>YOSHIMATSU HIROYA</creatorcontrib><title>METHOD FOR OPERATING ION EXCHANGE SYSTEM</title><description>To provide a method for operating an ion exchange system capable of appropriately regenerating ion exchange towers so that regeneration timings of the respective ion exchange towers do not overlap.SOLUTION: There is provided a method for operating an ion exchange system including regenerating ion exchange towers sequentially so that while some ion exchange towers are being regenerated, other ion exchange towers are producing pure water, by differentiating a starting timing of raw water supply to each ion exchange tower and a stopping timing of pure water sampling. In a state where pure water is being produced in both the ion exchange towers with first and second regeneration orders, when a remaining water sampling time in the ion exchange tower with a second regeneration order reaches a required regeneration time of the ion exchange tower with the first regeneration order, regeneration of the ion exchange tower with the first regeneration order is started even if the ion exchange tower with the first regeneration order has not reached a scheduled water sampling amount.SELECTED DRAWING: Figure 1 【課題】各イオン交換塔の再生時期が重なることがないように適切にイオン交換塔の再生を行うことができるイオン交換システムの運転方法を提供する。【解決手段】各イオン交換塔への原水通水開始時期と純水採水停止時期とを異ならせ、一部のイオン交換塔で再生を行っているときに他のイオン交換塔で純水製造を行うように順番にイオン交換塔の再生を行うイオン交換システムの運転方法において、再生順番が1番及び２番となっているイオン交換塔の双方で純水を製造している状態において、再生順番２番のイオン交換塔における採水残余時間が再生順番1番のイオン交換塔の再生所要時間に達したときには、再生順番1番のイオン交換塔が採水予定量に達していなくても再生順番1番のイオン交換塔の再生を開始する。【選択図】図１</description><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDwdQ3x8HdRcPMPUvAPcA1yDPH0c1fw9PdTcI1w9nD0c3dVCI4MDnH15WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZGxoYGliaWlo7GRCkCAEx5JJA</recordid><startdate>20230808</startdate><enddate>20230808</enddate><creator>TAMURA AKIYUKI</creator><creator>YOSHIMATSU HIROYA</creator><scope>EVB</scope></search><sort><creationdate>20230808</creationdate><title>METHOD FOR OPERATING ION EXCHANGE SYSTEM</title><author>TAMURA AKIYUKI ; YOSHIMATSU HIROYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2023109499A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2023</creationdate><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>TAMURA AKIYUKI</creatorcontrib><creatorcontrib>YOSHIMATSU HIROYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAMURA AKIYUKI</au><au>YOSHIMATSU HIROYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR OPERATING ION EXCHANGE SYSTEM</title><date>2023-08-08</date><risdate>2023</risdate><abstract>To provide a method for operating an ion exchange system capable of appropriately regenerating ion exchange towers so that regeneration timings of the respective ion exchange towers do not overlap.SOLUTION: There is provided a method for operating an ion exchange system including regenerating ion exchange towers sequentially so that while some ion exchange towers are being regenerated, other ion exchange towers are producing pure water, by differentiating a starting timing of raw water supply to each ion exchange tower and a stopping timing of pure water sampling. In a state where pure water is being produced in both the ion exchange towers with first and second regeneration orders, when a remaining water sampling time in the ion exchange tower with a second regeneration order reaches a required regeneration time of the ion exchange tower with the first regeneration order, regeneration of the ion exchange tower with the first regeneration order is started even if the ion exchange tower with the first regeneration order has not reached a scheduled water sampling amount.SELECTED DRAWING: Figure 1 【課題】各イオン交換塔の再生時期が重なることがないように適切にイオン交換塔の再生を行うことができるイオン交換システムの運転方法を提供する。【解決手段】各イオン交換塔への原水通水開始時期と純水採水停止時期とを異ならせ、一部のイオン交換塔で再生を行っているときに他のイオン交換塔で純水製造を行うように順番にイオン交換塔の再生を行うイオン交換システムの運転方法において、再生順番が1番及び２番となっているイオン交換塔の双方で純水を製造している状態において、再生順番２番のイオン交換塔における採水残余時間が再生順番1番のイオン交換塔の再生所要時間に達したときには、再生順番1番のイオン交換塔が採水予定量に達していなくても再生順番1番のイオン交換塔の再生を開始する。【選択図】図１</abstract><oa>free_for_read</oa></addata></record>
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title	METHOD FOR OPERATING ION EXCHANGE SYSTEM
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