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    • 3. 发明专利
    • Water treatment system using reverse osmosis membrane
    • 使用反渗透膜的水处理系统
    • JP2013059732A
    • 2013-04-04
    • JP2011200235
    • 2011-09-14
    • Toshiba Corp株式会社東芝
    • ISHIZUKA MIWAMATSUSHIRO TAKESHIABE NORIMITSUMURAYAMA SEIICHIIDE KENJISHIIRE HIDETAKEARIMURA RYOICHIKURIHARA SHIOKO
    • C02F1/44B01D61/04B01D61/12B01D65/08C02F1/32C02F1/46C02F9/00
    • PROBLEM TO BE SOLVED: To provide a water treatment system using reverse osmosis membrane, which can precisely and safely suppress the occurrence of fouling in a reverse osmosis membrane used for purifying water.SOLUTION: The water treatment system includes: a first flow meter; an ultraviolet irradiating lamp; an ultraviolet dose controller; a high-pressure pump; an electrolytic apparatus; and a reverse osmosis membrane module. The first flow meter measures the flow rate of water to be treated. The ultraviolet irradiating lump irradiates the water to be treated with ultraviolet rays. The ultraviolet dose controller controls the dose of the ultraviolet rays by the ultraviolet irradiating lamp based on the measured flow rate of the water to be treated. The high-pressure pump boosts the pressure of the water to be treated after irradiated with the ultraviolet rays. The electrolytic apparatus has electrodes for generating copper ions or active oxygen for electrolyzing the water to be treated. The reverse osmosis membrane module passes the electrolyzed water to be treated through for removing solute.
    • 要解决的问题:提供一种使用反渗透膜的水处理系统,其可以精确和安全地抑制用于净化水的反渗透膜中的结垢发生。 水处理系统包括:第一流量计; 紫外线照射灯; 紫外线剂量控制器 高压泵; 电解设备; 和反渗透膜组件。 第一流量计测量被处理水的流量。 紫外线照射块用紫外线照射待处理的水。 紫外线剂量控制器基于所测量的待处理水的流量来控制紫外线照射灯的紫外线剂量。 高压泵在用紫外线照射后提高被处理水的压力。 电解装置具有用于产生用于电解待处理水的铜离子或活性氧的电极。 反渗透膜组件通过待处理的电解水去除溶质。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Water treatment apparatus
    • 水处理设备
    • JP2011189258A
    • 2011-09-29
    • JP2010056633
    • 2010-03-12
    • Toshiba Corp株式会社東芝
    • SHIGENIWA SHINOBUEBIHARA SATOMIISHIZUKA MIWANAGAMORI YASUHIKOASHIKAGA NOBUYUKITAMURA HIROSHIYAMAMORI TAKEOOGI RIE
    • C02F1/58C02F1/44C02F3/12C02F3/28
    • Y02E50/343Y02W10/15
    • PROBLEM TO BE SOLVED: To provide a water treatment apparatus in which growth of a MAP (magnesium ammonium phosphate) crystal is suitably promoted while using a phosphate ion in the water to be treated to efficiently recover phosphorus from the water to be treated. SOLUTION: The water treatment apparatus includes: a phosphorus recovery reactor 5 for reacting magnesium with raw water to produce MAP; an additive injection line L50 for injecting an additive into an additive injection part; a raw water introduction line L4 for introducing the raw water into a raw water introduction part which is positioned above the additive injection part, to generate an upward flow therein; at least one of a pH adjusting source feeder, which is arranged on the additive injection line and used for feeding a pH adjusting agent as the additive, and a magnesium source feeder for feeding a magnesium source; agitation units 81, 91 which are arranged on the additive injection line and used for agitating/mixing the additive with the treatment water; a treated water line L5 through which the treated water to be withdrawn from the phosphorus recovery reactor is passed; and a first treated water reflux line L51 which is branched from the treated water line, connected to the additive injection line and used for refluxing a part of the treated water to the phosphorus recovery reactor together with the additive through the additive injection line to generate an upward flow therein. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种水处理装置,其中适当地促进MAP(磷酸镁铵)晶体的生长,同时在待处理的水中使用磷酸根离子以有效地从待处理的水中回收磷 。 解决方案:水处理设备包括:用于使镁与原水反应以产生MAP的磷回收反应器5; 用于将添加剂注入添加剂注入部分的添加剂注入管线L50; 原水引入管线L4,用于将原水引入位于添加剂注入部分上方的原水引入部分,以在其中产生向上的流动; 设置在添加剂注入管线上并用于供给pH调节剂作为添加剂的pH调节源供料器中的至少一个以及用于供给镁源的镁源供料器; 搅拌单元81,91,其布置在添加剂注入管线上并用于搅拌/混合添加剂与处理水; 从磷回收反应器排出的处理过的水通过处理水线L5; 和从处理水线分支的第一处理水回流管线L51,与添加剂注入管线相连,并用于通过添加剂注入管线将一部分经处理的水与添加剂一起回流到磷回收反应器,以产生 向上流动。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Method and apparatus for treating fluorine-containing waste water
    • 用于处理含氟废水的方法和装置
    • JP2014108366A
    • 2014-06-12
    • JP2012262252
    • 2012-11-30
    • Toshiba Corp株式会社東芝
    • MATSUSHIRO TAKESHIYAMAZAKI ATSUSHIFUKAYA TAROIDE KENJIISHIZUKA MIWA
    • C02F1/58B01D61/44B01D61/52B01D61/54C02F1/469
    • B01D61/54B01D61/44C02F1/4693C02F1/5209C02F1/5236C02F2101/14C02F2103/346C02F2209/05
    • PROBLEM TO BE SOLVED: To provide a method of removing fluorine in fluorine-containing waste water at sufficiently low costs.SOLUTION: A method of treating fluorine-containing waste water in an embodiment includes a step of bringing fluorine-containing waste water into contact with a calcium agent in a reaction vessel to react fluorine in the fluorine-containing waste water with the calcium agent so as to form calcium fluoride in the fluorine-containing waste water and a step of removing the calcium fluoride from the fluorine-containing waste water by solid/liquid separation in a solid/liquid separator arranged in the downstream of the reaction vessel to obtain a primary treatment water of the fluorine-containing waste water and a slurry containing the calcium fluoride. The method includes additionally a step of electrodialyzing the primary treatment water in an electrodialyzer arranged in the downstream of the solid/liquid separator to concentrate and remove fluoride ion contained in the primary treatment water so as to obtain final treatment water of the fluorine-containing waste water and a step of washing the solid/liquid separator with the primary treatment water.
    • 要解决的问题:提供以足够低的成本除去含氟废水中的氟的方法。解决方案:一个实施方案中的含氟废水的处理方法包括使含氟废水与 反应容器中的钙剂,用于使含氟废水中的氟与钙剂反应,以便在含氟废水中形成氟化钙,以及通过以下步骤从含氟废水中除去氟化钙 在设置在反应容器下游的固/液分离器中进行固/液分离,得到含氟废水的初级处理水和含氟化钙的浆料。 该方法还包括在布置在固/液分离器下游的电渗析器中电渗析一次处理水的步骤,以浓缩和除去一级处理水中所含的氟离子,以获得含氟废物的最终处理水 水和用一次处理水洗涤固/液分离器的步骤。
    • 6. 发明专利
    • Membrane filtration system, and operation method therefor
    • 膜过滤系统及其操作方法
    • JP2012192380A
    • 2012-10-11
    • JP2011059930
    • 2011-03-17
    • Toshiba Corp株式会社東芝
    • ARIMURA RYOICHIMATSUSHIRO TAKESHISHIIRE HIDETAKEISHIZUKA MIWAKUROKAWA FUTOSHIYAMAGATA EIKENHIRAGA YUKA
    • B01D65/02C02F1/44
    • B01D65/02B01D61/12B01D2321/04B01D2321/12C02F1/008C02F1/44C02F2303/16
    • PROBLEM TO BE SOLVED: To provide a membrane filtration system capable of effectively cleaning a membrane while improving the operation efficiency.SOLUTION: In one embodiment, the membrane filtration system is provided with a raw water tank for temporarily storing raw water, a membrane module for filtering the raw water, a raw water pump for supplying the raw water in the raw water tank to the membrane module, a treated water tank for storing treated water filtered by the membrane module, and a backwash water pump for supplying the treated water to the membrane module as cleaning water. In the cleaning step of the membrane module, the differential pressure increasing rate and the membrane filtration permeation flow rate of the cleaning step are selected on the basis of the recovery rate set value of raw water and by using the characteristic curve of the recovery rate and the membrane filtration permeation flow rate per differential pressure increasing rate during the membrane filtration operation.
    • 要解决的问题:提供能够有效地清洗膜的膜过滤系统,同时提高操作效率。 解决方案:在一个实施例中,膜过滤系统设置有用于临时存储原水的原水罐,用于过滤原水的膜组件,用于将原水槽中的原水供应的原水泵 膜组件,用于存储由膜组件过滤的处理水的处理水箱和用于将处理过的水作为清洗水供应到膜组件的反冲洗水泵。 在膜组件的清洗工序中,基于原水的回收率设定值,通过使用回收率的特性曲线来选择清洗工序的差压增加率和膜过滤渗透流量, 膜过滤操作中每个压差增加率的膜过滤渗透流量。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Water treatment system and method for injecting flocculant therefor
    • 水处理系统和注射絮凝剂的方法
    • JP2012170848A
    • 2012-09-10
    • JP2011033440
    • 2011-02-18
    • Toshiba Corp株式会社東芝
    • ISHIZUKA MIWAMATSUSHIRO TAKESHIARIMURA RYOICHIKUROKAWA FUTOSHIKURIHARA SHIOKOYAMAGATA EIKENHIRAGA YUKA
    • C02F1/44B01D61/04C02F1/52
    • C02F1/441B01D61/025B01D61/04B01D2311/04B01D2311/12B01D2311/2642C02F1/52
    • PROBLEM TO BE SOLVED: To provide a water treatment system which can highly accurately control a flocculant injection rate and can impede the generation of fouling and to provide a method for injecting a flocculant therefor.SOLUTION: The water treatment system comprises pretreatment apparatuses 3 and 11, a reverse osmosis membrane module 6, a flocculant injection apparatus 10 which injects a flocculant into seawater fed into the pretreatment apparatuses, a water quality analyzer 32 which measures the TEP amount and other water quality items of seawater at a position downward of the pretreatment apparatuses, a recording apparatus 23 which records a water quality analysis result being a combination of at least two water quality items, correlation derivation means 21-23 which derive the TEP vs. flocculant injection rate correlation, the other water qualities vs. flocculant injection rate correlation, and the correlation between at least two water quality items, and a flocculant injection rate control means 20 which selects the initial value of a suitable flocculant injection rate from past actual data, determines a flocculant injection rate by using the water quality measurements results and a plurality of the correlations, and controls the flocculant injection apparatus so as to attain the determined flocculant injection rate.
    • 要解决的问题:提供一种水处理系统,其能够高精度地控制絮凝剂注入速率,并且可以阻止污垢的产生,并提供一种注入絮凝剂的方法。 解决方案:水处理系统包括预处理装置3和11,反渗透膜组件6,将絮凝剂注入供给到预处理装置的海水中的絮凝剂注入装置10,测量TEP量的水质分析器32 以及在预处理装置的下方的位置处的其他水质物品的海水;记录装置23,其记录作为至少两个水质项目的组合的水质分析结果;相关导出装置21-23,其导出TEP与 絮凝剂注入速率相关性,其他水质与絮凝剂注入速率相关性,以及至少两个水质项目之间的相关性以及从过去的实际数据中选择合适的絮凝剂注入速率的初始值的絮凝剂注入速率控制装置20 通过使用水质测量结果和多个o来确定絮凝剂注入速率 f相关性,并控制絮凝剂注入装置,以获得确定的絮凝剂注入速率。 版权所有(C)2012,JPO&INPIT