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1. 发明专利

JP2004057870A Treating method of boron-containing water 有权
公开(公告)号：JP2004057870A
公开(公告)日：2004-02-26
申请号：JP2002216478
申请日：2002-07-25
申请人： Asahi Eng Co Ltd , Kurita Water Ind Ltd , Tohoku Electric Power Co Inc , 旭エンジニアリング株式会社 , 東北電力株式会社 , 栗田工業株式会社
发明人： YAMAURA TSUGUAKI , SHINDO MANABU , IKOMA KAZUHIRO , KONNO SEIICHI , ASADA HIROYUKI , ETO YOSHIHIRO , SATO TAKESHI
IPC分类号： C02F1/28 , B01J20/06 , B01J20/34
摘要： PROBLEM TO BE SOLVED: To provide a treating method of boron-containing water by which stable treatment can be continued without lowering boron adsorbing ability of a granulated body in the treating method of the boron-containing water by which boron is removed by adsorption using the granulated body on which hydroxide of rare earth element is deposited. SOLUTION: In the treating method of the boron-containing water having an adsorbing process in which the boron-containing water is brought into contact with the granulated body on which hydroxide of rare earth element is deposited to remove boron by adsorption and a desorbing process in which a boron-adsorbed granulated body is brought into contact with an alkaline aqueous solution to desorb boron, an acid-treatment process in which the granulated body is brought into contact with an acid aqueous solution before or after bringing the granulated body into contact with the alkaline aqueous solution, is provided. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2004050069A Treatment method for boron containing water and treatment apparatus therefor 有权
公开(公告)号：JP2004050069A
公开(公告)日：2004-02-19
申请号：JP2002211554
申请日：2002-07-19
申请人： Kurita Water Ind Ltd , Tohoku Electric Power Co Inc , 東北電力株式会社 , 栗田工業株式会社
发明人： YAMAURA TSUGUAKI , SHINDO MANABU , IKOMA KAZUHIRO , ASADA HIROYUKI , ETO YOSHIHIRO
IPC分类号： C02F1/28 , B01D9/02 , B01J20/06 , B01J20/34
摘要： PROBLEM TO BE SOLVED: To economically treatment boron-containing water with a reduced amount of chemicals to recover boron as valuables. SOLUTION: A treatment method for boron-containing water has: an adsorption process (A) for bringing boron-containing water into contact with a granular material carrying a hydroxide of a rare earth element to adsorb and remove boron; a desorbing process (B) for bringing the granular material having adsorbed boron into contact with an alkali water solution to desorb boron; an evaporation process (C) for evaporating and concentrating the desorbed liquid containing boron in a high concentration, a crystallization process (D) for crystallizing an alkali metal borate in the evaporated; and concentrated solution and a solid-liquid separation process (E) for separating the crystallized alkali metal borate from the solution. A treatment apparatus for boron-containing water has (A) an adsorption means for adsorbing and removing boron, (B) a desorption means for desorbing boron, (C) an evaporation means for evaporating and concentrating the desorbed liquid, (D) a crystallization means, and (E) a solid-liquid separation means. COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2004074038A Recovering method of boron 有权
公开(公告)号：JP2004074038A
公开(公告)日：2004-03-11
申请号：JP2002239129
申请日：2002-08-20
申请人： Kurita Water Ind Ltd , Tohoku Electric Power Co Inc , 東北電力株式会社 , 栗田工業株式会社
发明人： SHINDO MANABU , IKOMA KAZUHIRO , ASADA HIROYUKI , ETO YOSHIHIRO
IPC分类号： C02F1/28 , B01D9/02 , B01J20/34 , C02F1/04
摘要： PROBLEM TO BE SOLVED: To provide a recovering method of boron by which boron can be recovered as borax or orthoboric acid having a high utility value from boron-containing water.
SOLUTION: In the recovering method of boron, the boron-containing water is brought into contact with a boron adsorbent to remove boron by adsorption and the adsorbent adsorbing boron is brought into contact with an alkali aqueous solution to desorb boron, boron-containing desorption liquid is concentrated by evaporation, crystals deposited from the concentrated liquid by evaporation are separated, separated crystals are dissolved again in water and then boron compound is deposited by adjusting pH.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2003080269A Method for treating boron-containing water 审中-公开
标题翻译：用于处理含硼水的方法
公开(公告)号：JP2003080269A
公开(公告)日：2003-03-18
申请号：JP2001271428
申请日：2001-09-07
申请人： Kurita Water Ind Ltd , Tohoku Electric Power Co Inc , 東北電力株式会社 , 栗田工業株式会社
发明人： HAYASAKA TAKAO , YAMAURA TSUGUAKI , SATO TAKESHI , ETO YOSHIHIRO , ASADA HIROYUKI
IPC分类号： C02F1/52 , C02F1/42 , C02F1/58
摘要： PROBLEM TO BE SOLVED: To provide a method for treating boron-containing water by which the amount of chemicals used and the regeneration frequency of an ion exchange resin are reduced and boron can be efficiently removed by flocculation precipitation and/or ion exchange.
SOLUTION: (1) In the method for treating boron-containing water by flocculation precipitation, the concentration of boron in the boron-containing water is automatically analyzed and the amount of a flocculant added is automatically controlled. (2) When the boron-containing water is treated by an ion exchange method, the concentration of boron is automatically analyzed and time appropriate to the regeneration of an ion exchange resin is automatically controlled. (3) When the boron-containing water is treated by the ion exchange method after treatment by flocculation precipitation, the concentration of boron is automatically analyzed and the amount of a flocculant added is automatically controlled.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种处理含硼水的方法，通过该方法可以减少使用的化学品的使用量和离子交换树脂的再生频率，并且可以通过絮凝沉淀和/或离子交换有效地除去硼。解决方案：（1）在通过絮凝沉淀处理含硼水的方法中，自动分析含硼水中硼的浓度，并自动控制添加的絮凝剂的量。（2）当通过离子交换法处理含硼水时，自动分析硼的浓度，自动控制适合离子交换树脂再生的时间。（3）当通过絮凝沉淀处理后，通过离子交换法处理含硼水时，自动分析硼的浓度，并自动控制添加的絮凝剂的量。

5. 发明专利

JP2004358421A Method and apparatus for decoloring colored beverage wastewater 有权
公开(公告)号：JP2004358421A
公开(公告)日：2004-12-24
申请号：JP2003162525
申请日：2003-06-06
申请人： Kurita Water Ind Ltd , Suntory Ltd , サントリー株式会社 , 栗田工業株式会社
发明人： YOKOYAMA KEIICHI , TOMIKAWA TOSHIO , NISHIKAWA NAOKI , NARITA MITSUOMI , ICHIKAWA TAKUYA , ETO YOSHIHIRO , ANZAI SHOGO
IPC分类号： C02F1/28 , B01J23/755 , C02F1/76
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for decoloring colored beverage wastewater which efficiently decolors the colored beverage wastewater without generating sludge. SOLUTION: In the method for decoloring the colored beverage wastewater after oxidizing and decoloring colored components in the colored beverage wastewater by adding an oxidizing agent to the colored beverage wastewater and mixing them, the wastewater is treated with a catalyst to accelerate decolonization. The apparatus for decoloring the colored beverage wastewater has a regulation tank 11 having a mixing means 31, an oxidizing agent addition means that adds the oxidizing agent to the regulation tank 11, and a catalyst tower 13 into which overflow water from the regulation tank 11 is introduced. COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2009011915A Selenium-containing wastewater treatment method and apparatus 有权
标题翻译：含铀废水处理方法和装置
公开(公告)号：JP2009011915A
公开(公告)日：2009-01-22
申请号：JP2007175382
申请日：2007-07-03
申请人： Electric Power Dev Co Ltd , Kurita Water Ind Ltd , 栗田工業株式会社 , 電源開発株式会社
发明人： ETO YOSHIHIRO , ASADA HIROYUKI , TANAKA TAMOTSU
IPC分类号： C02F1/70 , C02F1/52
摘要： PROBLEM TO BE SOLVED: To provide a selenium-containing wastewater treatment method and apparatus which can perform the reduction treatment of hexavalent selenium-containing wastewater to effectively remove selenium with a small elution amount of metal, and preferably, generate easily disposable sludge whose color is white.
SOLUTION: The selenium-containing wastewater treatment method comprises the wastewater treatment process where selenium-containing wastewater is brought into contact with an alloy or mixture of metallic titanium and other metals, and a part of the other metals is eluted to reduce selenium, and the acid washing process where an acid-containing aqueous solution whose acid concentration is 0.03 N or more is brought into contact with the alloy or mixture.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种含硒废水处理方法和装置，其可以进行含六价硒的废水的还原处理，以用少量的金属有效去除硒，并且优选地，生成容易的一次性污泥其颜色为白色。解决方案：含硒废水处理方法包括使含硒废水与金属钛和其他金属的合金或混合物接触的废水处理工艺，其中一部分金属被洗脱以还原硒酸洗浓度为0.03N以上的含酸水溶液与合金或混合物接触的酸洗工序。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008043919A Decolorization method of colored beverage drain 有权
标题翻译：彩色饮料排水脱色方法
公开(公告)号：JP2008043919A
公开(公告)日：2008-02-28
申请号：JP2006224352
申请日：2006-08-21
申请人： Kurita Water Ind Ltd , Suntory Ltd , サントリー株式会社 , 栗田工業株式会社
发明人： ANZAI SHOGO , MIWA RYOHEI , ETO YOSHIHIRO , HASHIMOTO RYUSEI , NARITA MITSUOMI
IPC分类号： C02F1/72 , C02F1/52
摘要： PROBLEM TO BE SOLVED: To provide a decolorization method of colored beverage drain having inexpensive and excellent decolorization effect.
SOLUTION: Raw water is introduced into a coagulation reactor 1 where settled sludge of a settling tank 2 of the next stage, PAC, and sodium hydroxide as pH adjusting alkali are added thereto, to keep pH to 6.5-7 for coagulation-reaction. Coagulation-reaction water is introduced into the settling tank 2 for settling separation. Part of the settled sludge is added to the reactor, with the remaining discharged as surplus sludge. Supernatant from the settling tank 2 is filtered in a filter 3, the filtrate of the filter 3 being added with sodium hypochlorite, passed through a catalytic column 5 packed with a catalyst, and taken out as treated water. Peroxide of a metal such as nickel is suitable as the catalyst.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有廉价且优异的脱色效果的彩色饮料排液的脱色方法。解决方案：将原水引入到凝结反应器1中，其中向其中加入下一阶段的沉降池2的PAC和氢氧化钠作为pH调节碱的沉降污泥，以将pH保持在6.5-7以凝固 - 反应。将凝血反应水引入沉淀池2中用于沉降分离。一部分沉降的污泥被添加到反应器中，其余的排放为剩余污泥。在过滤器3中过滤来自沉淀槽2的上清液，过滤器3的滤液中加入次氯酸钠，通过填充有催化剂的催化柱5，作为处理水取出。金属如镍的过氧化物适合用作催化剂。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2006218343A Method and apparatus for treating selenium-containing waste water 审中-公开
标题翻译：用于处理含硒废水的方法和装置
公开(公告)号：JP2006218343A
公开(公告)日：2006-08-24
申请号：JP2005031601
申请日：2005-02-08
申请人： Kurita Water Ind Ltd , 栗田工業株式会社
发明人： ETO YOSHIHIRO , ASADA HIROYUKI
IPC分类号： C02F1/70 , C02F1/58
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for treating selenium-containing waste water, in each of which the amount of aluminum to be required to reduce selenium by using metallic aluminum can be eluted, consequently selenium can be stabilized, reduced and removed surely and the fluorine and boron coexisting in selenium-containing waste water can be removed together with selenium. SOLUTION: The method for treating selenium-containing waste water comprises a step of bringing selenium-containing waste water into contact with oxidized film-removed metallic aluminum in the presence of an acid to reduce selenium in waste water. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种处理含硒废水的方法和设备，其中每种都可以洗脱通过使用金属铝来还原硒所需的铝量，因此可以稳定硒，可靠地除去和去除，与硒一起可以除去含硒废水中共存的氟和硼。解决方案：用于处理含硒废水的方法包括在酸存在下使含硒废水与氧化膜去除的金属铝接触以减少废水中的硒的步骤。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2009011914A Selenium-containing wastewater treatment method and apparatus 有权
标题翻译：含铀废水处理方法和装置
公开(公告)号：JP2009011914A
公开(公告)日：2009-01-22
申请号：JP2007175381
申请日：2007-07-03
申请人： Electric Power Dev Co Ltd , Kurita Water Ind Ltd , 栗田工業株式会社 , 電源開発株式会社
发明人： ETO YOSHIHIRO , ASADA HIROYUKI , TANAKA TAMOTSU
IPC分类号： C02F1/70 , C02F1/52 , C02F1/58
摘要： PROBLEM TO BE SOLVED: To provide a selenium-containing wastewater treatment method and apparatus which can perform reduction treatment of hexavalent selenium-containing wastewater to effectively remove selenium with a small elution amount of metal, and preferably, generate easily disposable sludge whose color is white.
SOLUTION: In the selenium-containing wastewater treatment method whereby selenium-containing wastewater is brought into contact with a mixture of metallic titanium and other metals and keeps a part of the other metals eluted to reduce selenium, the particle size of the metallic titanium is 4 mm or less, and that of the other metals is 1 mm or more.
COPYRIGHT: (C)2009,JPO&INPIT

10. 发明专利

JP2004358422A Method for treating oxidizable substance-containing water 有权
公开(公告)号：JP2004358422A
公开(公告)日：2004-12-24
申请号：JP2003162526
申请日：2003-06-06
申请人： Kurita Water Ind Ltd , Suntory Ltd , サントリー株式会社 , 栗田工業株式会社
发明人： YOKOYAMA KEIICHI , TOMIKAWA TOSHIO , NISHIKAWA NAOKI , NARITA MITSUOMI , ICHIKAWA TAKUYA , ETO YOSHIHIRO , ANZAI SHOGO
IPC分类号： C02F1/76 , B01J29/072
摘要： PROBLEM TO BE SOLVED: To perform efficient treatment over a long period of time by preventing the deterioration of a catalyst during an operation halt and the elution of metal components into treated water at the restarting of operation when an oxidizing agent is added to oxidizable substance-containing water and the water is passed through a catalyst tower packed with a metal oxide catalyst to decompose oxidizable substances in the water by catalytic oxidation.
SOLUTION: When the feed of the oxidizable substance-containing water to the catalyst tower is stopped, the concentration of the oxidizing agent in the water fed into the catalyst tower is increased, and then the water feed is stopped.
COPYRIGHT: (C)2005,JPO&NCIPI

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