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    • 22. 发明专利
    • Method for starting activated sludge treating apparatus
    • 启动活化污泥处理装置的方法
    • JP2003305493A
    • 2003-10-28
    • JP2002114286
    • 2002-04-17
    • Kurita Water Ind Ltd栗田工業株式会社
    • FUKASE TETSURO
    • C02F1/52C02F3/12
    • Y02W10/15
    • PROBLEM TO BE SOLVED: To start an activated sludge treating apparatus in a short time by selecting a microbe to be cultivated and making unnecessary microbes flow out of this apparatus when this apparatus is started. SOLUTION: A final settling tank 6 is used as a solid-liquid separating means of this apparatus without using a membrane separation unit. When this apparatus is started, iron salt is added as a flocculant and the pH is adjusted to 5.5-8.5. It is preferable to add activated sludge of the amount smaller than that of the iron salt and a microbial preparation when this apparatus is started. COPYRIGHT: (C)2004,JPO
    • 待解决的问题:通过选择待培养的微生物并且当该装置开始时使不必要的微生物流出该装置,在短时间内启动活性污泥处理装置。 解决方案:最终的沉淀槽6用作该装置的固液分离装置,而不使用膜分离单元。 当该装置启动时,加入铁盐作为絮凝剂,将pH调节至5.5-8.5。 当该装置开始时,优选添加量小于铁盐的活性污泥和微生物制剂。 版权所有(C)2004,JPO
    • 23. 发明专利
    • Removal of phosphorus
    • 去除磷
    • JPH11277071A
    • 1999-10-12
    • JP8162098
    • 1998-03-27
    • Kurita Water Ind Ltd栗田工業株式会社
    • FUKASE TETSUROSHIBATA MASAHIDEISHIZUKA SATOSHITSUNEKAWA MASAO
    • C02F1/58
    • PROBLEM TO BE SOLVED: To markedly reduce the concn. of phosphorus in treated water in a dephosphorizing method passing raw water through a reaction column upwardly and separating and recovering MAP particles from the lower part of the reaction column.
      SOLUTION: In a method for removing phosphorus by introducing phosphorus- containing water into a reaction column to hold pH to a predetermined range in the coexistence of a magnesium salt and an ammonium salt, raw water is introduced into the lower part of a reaction column and treated water is taken out of the upper part of the reaction column 1 and a part of the treated water is circulated to the lower part of the reaction column 1 and formed magnesium ammonium phosphate(MAP) particles are taken out of the lower part of the reaction column 1. A magnesium salt and an ammonium salt are supplied to the reaction column 1 in an amt. of three times phosphorus in raw water or more in a molar ratio. The pH of the reaction region in the reaction column is pref. 8-10, especially, 8-9.5.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:明显减少 的磷在脱磷方法中,使原水向上通过反应塔,并从反应塔的下部分离和回收MAP颗粒。 解决方案:在镁盐和铵盐的共存下,通过将含磷水引入反应塔以将pH保持在预定范围内的方法中,将原水引入反应塔的下部, 将处理过的水从反应塔1的上部取出,一部分经处理的水循环到反应塔1的下部,并形成磷酸铵铵(MAP)颗粒从 反应塔1.将镁盐和铵盐以一定的比例供给反应塔1。 在原水中为磷的三倍或更多摩尔比。 反应塔中的反应区的pH优选。 8-10,特别是8-9.5。
    • 25. 发明专利
    • Biological treatment method for amine-containing wastewater and treatment equipment
    • 含胺废水和处理设备的生物处理方法
    • JP2013022536A
    • 2013-02-04
    • JP2011161104
    • 2011-07-22
    • Kurita Water Ind Ltd栗田工業株式会社
    • ONO TOKUAKIFUKASE TETSURO
    • C02F3/12
    • C02F3/12C02F1/66C02F2101/38C02F2103/04Y02W10/15
    • PROBLEM TO BE SOLVED: To stabilize a treatment at the condition fluctuation in a biological treatment method for amine-containing wastewater which is an ultrapure water recovery system organic effluent, and to carry out a stable treatment at the start of operation and even at the variation time of the wastewater composition and load.SOLUTION: A method of introducing amine-containing wastewater which is ultrapure water recovery system organic effluent into a biological treatment tank to biologically treat includes adding an acid to the biological treatment tank based on the pH value of the liquid inside the biological treatment tank. Upon the biological treatment of the amine-containing wastewater which is the ultrapure water recovery system organic effluent, the elevation of the pH of the liquid in the biological treatment tank with ammonia produced by oxidation of amine is detected and the acid is added to the biological treatment tank depending on the pH value, by which the liquid inside the biological treatment tank can be controlled to an pH value optimal for the biological treatment. Therefore, at the start of operation, and even at the variation time of the wastewater composition or wastewater load, a stable and efficient treatment can be carried out without reducing the activity of the biological treatment.
    • 要解决的问题:为了稳定在超纯水回收系统有机流出物的含胺废水的生物处理方法的条件波动中的处理,并且在操作开始时甚至进行稳定的处理 在废水组成和负荷的变化时间。

      解决方案:将超纯水回收系统的有机废水引入生物处理罐进行生物处理的含胺废水的引入方法包括向生物处理槽内加入酸,基于生物处理液中的液体的pH值 坦克。 在超纯水回收系统有机流出物的含胺废水的生物处理中,检测到生物处理槽中的液体的pH随氨氧化生成的氨的升高,并将酸加入生物 处理槽取决于pH值,生物处理槽内的液体可以被控制到生物处理最佳的pH值。 因此,在运行开始时,即使在废水组成或废水负荷的变化时间,也可以在不降低生物处理活性的情况下进行稳定有效的处理。 版权所有(C)2013,JPO&INPIT

    • 26. 发明专利
    • Anaerobic organism processing method and device for organic waste liquid
    • 厌氧有机物处理方法和有机废液的设备
    • JP2012179571A
    • 2012-09-20
    • JP2011045202
    • 2011-03-02
    • Kurita Water Ind Ltd栗田工業株式会社
    • KOMATSU KAZUYAMOMOZAKI KATSUHIKOFUKASE TETSURO
    • C02F3/28B01D61/04B01D61/58C02F1/20C02F1/44
    • Y02W10/12
    • PROBLEM TO BE SOLVED: To provide an anaerobic organism processing method and a device for organic waste liquid, by which recovery water with high water quality can be effectively obtained while preventing the clogging of a reverse osmosis membrane by effectively removing hydrogen sulfide in organism processing liquid by a simple device and operation for obtaining the recovery water with the high water quality by subjecting the organic waste liquid to anaerobic organism processing, filtering the filtrate through the membrane, and subjecting the filtrate to the reverse osmotic membrane processing.SOLUTION: The organic waste liquid is subjected to the anaerobic organism processing in the anaerobic processing device 1, the anaerobically processed liquid is subjected to solid/liquid separation by membrane filtering in the membrane filtering device 2 in an aerobic condition, the membrane filtered liquid is stored in an aeration device 3 while the membrane filtered liquid is kept in the anaerobic condition, the membrane filtered liquid is aerated with the gas not containing oxygen and hydrogen sulfide desulfurized in a desulfurizing device 6 to remove the hydrogen sulfide, the aerated liquid is subjected to the reverse osmosis membrane processing by supplying the same to a reverse osmosis membrane processing device 4, and the permeated liquid is recovered.
    • 要解决的问题:提供厌氧生物体的加工方法和有机废液的装置,通过该方法可以有效地获得高水质的回收水,同时通过有效地除去硫化氢来防止反渗透膜的堵塞 通过简单的装置和通过使有机废液经过厌氧生物处理获得具有高水质的回收水的操作,通过膜过滤滤液,并对滤液进行反渗透膜处理的操作。 解决方案:在厌氧处理装置1中对有机废液进行厌氧生物处理,在厌氧条件下,在膜过滤装置2中通过膜过滤对厌氧处理液进行固/液分离,膜 将过滤液体储存在通气装置3中,同时将膜过滤液体保持在厌氧条件下,在脱硫装置6中用不含氧气和硫化氢脱气的气体对膜过滤液进行充气,以除去硫化氢 将液体通过反渗透膜处理装置4进行反渗透膜处理,并回收透过液。 版权所有(C)2012,JPO&INPIT
    • 27. 发明专利
    • Microorganism power generation method and microorganism power generation device
    • 微生物发电方法和微生物发电装置
    • JP2011065821A
    • 2011-03-31
    • JP2009214669
    • 2009-09-16
    • Kurita Water Ind Ltd栗田工業株式会社
    • FUKASE TETSUROODA NOBUHIROKOMATSU KAZUYA
    • H01M8/16H01M4/90H01M8/04
    • Y02E60/527
    • PROBLEM TO BE SOLVED: To stably maintain high-efficiency power generation for a long period of time, by preventing degradation of power generation efficiency with time in a microorganism power generation device using an air cathode. SOLUTION: As two sheets of plate-like cation exchange membranes 31, 31 are arrayed in parallel inside a tub 30, an anode chamber 32 is formed between the cation exchange membranes 31, 31, and two cathode chambers 33, 33 are formed separated from the anode chamber 32 with each cation exchange membrane 31. Oxygen-containing gas is circulated in the cathode chamber 33, anode solution L is supplied to the anode chamber, and, preferably, the anode solution is circulated. In the cathode chamber 33, cleaning solution containing acid is intermittently guided in or cleaning solution containing alkali is guided in after the cleaning solution containing acid is guided in to clean and remove scales, slime generated at and attached to an air cathode or the like as a cause of degradation with time of the power generation efficiency. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:通过在使用空气阴极的微生物发电装置中防止发电效率随时间的劣化,能够长时间稳定地维持高效率的发电。 解决方案:由于两片板状阳离子交换膜31,31平行排列在桶30内,阳极室32形成在阳离子交换膜31,31之间,两个阴极室33,33为 由阳离子交换膜31与阳极室32形成分离。含氧气体在阴极室33中循环,阳极溶液L供给至阳极室,优选阳极溶液循环。 在阴极室33中,将包含酸的清洗液间歇地引导入或含有碱的清洗液中,在将含有酸的清洗溶液引导至清洁和除去在空气阴极等上产生并附着于其上的泥垢, 是发电效率随时间恶化的原因。 版权所有(C)2011,JPO&INPIT
    • 28. 发明专利
    • Microorganism power generation method and device
    • 微生物发电方法和装置
    • JP2011065820A
    • 2011-03-31
    • JP2009214668
    • 2009-09-16
    • Kurita Water Ind Ltd栗田工業株式会社
    • FUKASE TETSUROODA NOBUHIROKOMATSU KAZUYA
    • H01M8/16C12N1/00H01M4/90H01M8/04
    • Y02E60/527
    • PROBLEM TO BE SOLVED: To maintain power generation efficiency of a microorganism power generation device stably and at high efficiency for a long period of time. SOLUTION: As two sheets of plate-like partitioning materials 31, 31 are arrayed in parallel inside a tub 30, an anode chamber 32 is formed between the partitioning materials 31, 31, and two cathode chambers 33, 33 are formed separated from the anode chamber 32 with each partitioning material 31. Oxygen-containing gas is supplied to an air diffuser tube 51 of the cathode chamber 33 to aerate cathode solution, anode solution L is supplied to the anode chamber, and, preferably, the anode solution is circulated. A solution volume into the anode chamber 32 is intermittently increased. When the solution volume to the anode chamber 32 is increased, peeling, dispersion, and partial effluence of microorganisms adhering to microorganism carriers inside the anode chamber 32 take place, so that a volume of the microorganisms inside the anode chamber 32 is decreased to achieve promotion of proton movement, resistance fall of diaphragms and uniform dispersion of liquid, and as a result, fall of the power generation volume is prevented. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了在长时间内稳定且高效率地维持微生物发电装置的发电效率。 解决方案:由于两片板状分隔材料31,31平行地排列在桶30内,阳极室32形成在分隔材料31,31之间,并且两个阴极室33,33分开形成 从具有各分隔材料31的阳极室32向含有阴极室33的空气扩散管51供给含氧气体,使阴极溶液充气,向阳极室供给阳极溶液L,优选将阳极溶液 流通。 进入阳极室32的溶液体积被间歇地增加。 当阳极室32的溶液体积增加时,发生粘附在阳极室32内的微生物载体的微生物的剥离,分散和部分流出,使得阳极室32内的微生物的体积减少以达到促进 的质子运动,膜片的电阻下降和液体的均匀分散,结果,防止了发电量的下降。 版权所有(C)2011,JPO&INPIT
    • 29. 发明专利
    • Method and device for recovering water-soluble organic solvent having amino group
    • 用于回收具有氨基的水溶性有机溶剂的方法和装置
    • JP2010036094A
    • 2010-02-18
    • JP2008200930
    • 2008-08-04
    • Kurita Water Ind Ltd栗田工業株式会社
    • FUKASE TETSUROKAKO HIRONORI
    • C02F1/44B01D61/02B01D61/58C02F1/04
    • PROBLEM TO BE SOLVED: To provide a method and a device for recovering a water-soluble organic solvent having amino groups by which a water-soluble organic solvent having amino groups such as MEA can efficiently be recovered from the water containing the water-soluble organic solvent having amino groups.
      SOLUTION: In the method, which recovers the water-soluble organic solvent from the water containing a water-soluble organic solvent having amino groups, a reverse osmosis unit 3 is fed with water containing a water-soluble organic solvent under the condition of pH ≥9, so as to perform membrane separation treatment, and the water-soluble organic solvent is allowed to penetrate to the side of a penetrated liquid chamber, so as to be recovered. The reverse osmosis unit may be provided in a multistage.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种用于回收具有氨基的水溶性有机溶剂的方法和装置,通过该方法和装置可以有效地从含有水的水中回收具有诸如MEA的氨基的水溶性有机溶剂 - 具有氨基的可溶性有机溶剂。 解决方案:在从含有氨基的水溶性有机溶剂的水中回收水溶性有机溶剂的方法中,在反应渗透单元3的条件下向反渗透单元3供给含有水溶性有机溶剂的水 pH为9以进行膜分离处理,使水溶性有机溶剂渗透到渗透液室侧,回收。 反渗透单元可以以多级设置。 版权所有(C)2010,JPO&INPIT
    • 30. 发明专利
    • Method and apparatus for treating organic wastewater
    • 用于处理有机废水的方法和装置
    • JP2010029768A
    • 2010-02-12
    • JP2008193625
    • 2008-07-28
    • Kurita Water Ind Ltd栗田工業株式会社
    • TANAKA TAMOTSUFUKASE TETSUROSAWADA SHIGEKI
    • C02F3/12B01D19/00C02F1/20C02F1/44
    • Y02W10/15
    • PROBLEM TO BE SOLVED: To efficiently obtain treated water having excellent water quality by effectively improving the settleability, concentratability, and filterability of sludge in an activated sludge mixed liquor in a biological treatment tank by adding an iron salt. SOLUTION: In biological treatment of organic wastewater after adding an iron salt, the organic wastewater is subjected to decarbonation treatment, the iron salt is added to and mixed with the decarbonated water, and the mixed water is mixed with activated sludge to be subjected to the biological treatment. The decarbonation treatment of the organic wastewater beforehand prevents generation of iron carbonate, and mixing the organic wastewater with the iron salt at around the optimum pH of ferric hydroxide prevents turbidity of treated water due to generation of iron oxide and iron carbonate. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:通过添加铁盐,通过有效地提高生物处理槽中的活性污泥混合液中的污泥的沉降性,浓缩性和过滤性,有效地获得具有优良水质的处理水。 解决方案:在加入铁盐后,对有机废水进行生物处理时,对有机废水进行脱碳处理,将铁盐加入并与脱碳酸混合,混合水与活性污泥混合 进行生物处理。 有机废水的脱碳处理预先防止碳酸铁的产生,并且将有机废水与铁盐混合在氢氧化铁的最佳pH附近,防止由于产生氧化铁和碳酸铁而产生的处理水的浊度。 版权所有(C)2010,JPO&INPIT