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    • 1. 发明授权
    • System for producing ultrapure water having a TOC density of no more than 0.5 ppb
    • 用于生产TOC密度不超过0.5ppb的超纯水的系统
    • US06177005B1
    • 2001-01-23
    • US09166519
    • 1998-10-06
    • Kazuyuki YamasakiToyoichi NasuTakahide MiyamotoSeiji OkamotoKazuyuki SakataMasami SeraAtsushi Yokotani
    • Kazuyuki YamasakiToyoichi NasuTakahide MiyamotoSeiji OkamotoKazuyuki SakataMasami SeraAtsushi Yokotani
    • C02F306
    • C02F3/302C02F1/283C02F1/32C02F1/441C02F1/469C02F3/006C02F3/106C02F2103/04C02F2209/20C02F2209/40Y02W10/15Y10S210/90
    • Ultrapure water having a reduced amount of TOC and a low electrical conductivity is produced in correspondence with a variation in water quality of raw water. A first water tank has an anaerobic organic matter treatment chamber and an aerobic organic matter treatment chamber which are communicated with each other at their bottom portions. Activated carbon bags are arranged in upper portions of both the chambers, and Bincho charcoal is stowed in the lower portion of the chambers. With this arrangement, carbon compounds and organic nitrogen compounds in the water to be treated are biologically treated by microbes, thereby reducing the TOC. Furthermore, nitrate nitrogen generated through the organic nitrogen compound treatment process is denitrified by the anaerobic microbe, thereby reducing the electrical conductivity of the water to be treated. Both activated carbon towers perform an advanced treatment on remaining carbon compounds and remaining organic nitrogen compounds in the water to be treated from the aerobic organic matter treatment chamber. A controller controls the rate of circulation of the water to be treated and the rate of stirring of the water to be treated on the basis of a signal from a TOC meter, thereby ensuring the water quality of the water to be treated.
    • 与原水的水质变化相对应地产生具有减少的TOC量和低导电性的超纯水。 第一水箱具有在其底部彼此连通的厌氧有机物处理室和有氧有机物处理室。 活性炭袋布置在两个室的上部,并且Bincho炭被收纳在室的下部。 通过这种布置,待处理的水中的碳化合物和有机氮化合物由微生物进行生物处理,从而减少TOC。 此外,通过有机氮化合物处理过程产生的硝酸盐氮被厌氧微生物反硝化,从而降低待处理水的导电性。 两种活性炭塔对待处理的水中的剩余碳化合物和剩余的有机氮化合物进行高级处理。 控制器基于来自TOC计的信号来控制待处理的水的循环速率和待处理的水的搅拌速率,从而确保待处理的水的水质。
    • 2. 发明授权
    • Method and apparatus for organic wastewater treatment capable of
preventing decrease in permeation efficiency of submerged membrane
without dilution
    • 用于有机废水处理的方法和装置,能够防止浸没膜的渗透效率降低而无需稀释
    • US5868934A
    • 1999-02-09
    • US828301
    • 1997-03-28
    • Kazuyuki YamasakiAtsushi YokotaniKazuyuki Sakata
    • Kazuyuki YamasakiAtsushi YokotaniKazuyuki Sakata
    • C02F1/44C02F3/12C02F3/30C02F9/00C02F11/12
    • C02F3/1273C02F3/2853Y02W10/15
    • A method and apparatus for wastewater treatment is provided which can prevent any decrease in permeation efficiency of a submerged membrane without involving an increase in operating cost and sludge generation, and which can treat high concentration organic wastewater efficiently and without dilution. The wastewater treatment method has the steps of: concentrating domestic sludge by means of a first submerged membrane to produce thick sludge; mixing the thick sludge into a water to be treated, and introducing the water to be treated which is so mixed with the thick sludge into an anaerobic treatment portion for anaerobically treating the same; and introducing the anaerobically treated water from the anaerobic treatment portion into an aerobic treatment portion having a second submerged membrane disposed therein to subject the water to aerobic treatment. The water to be treated undergoes treatment with the thick sludge through which its dissolved oxygen content is reduced to zero and organic substances contained therein are adsorbed by the sludge for subsequent treatment in the anaerobic treatment portion.
    • 提供一种污水处理方法和装置,可以防止浸没膜的渗透效率的任何降低,而不涉及运行成本和污泥产生的增加,并且可以有效且无稀释地处理高浓度有机废水。 废水处理方法的步骤是:通过第一个浸没的膜将家用污泥浓缩,产生浓泥; 将浓泥浆混合到待处理的水中,将与稠泥浆混合的待处理水引入厌氧处理部分进行厌氧处理; 并将厌氧处理部分的厌氧处理水引入到其中设置有第二浸没膜的好氧处理部分中以使水进行好氧处理。 待处理的水用浓泥土进行处理,通过该污泥将其溶解的氧含量降低到零,并且其中所含的有机物质被污泥吸附,以便在厌氧处理部分中进行后续处理。
    • 5. 发明授权
    • Method and apparatus for wastewater treatment by chemical reaction of
reactive filler and propagated microorganisms
    • 通过反应性填料和增殖微生物的化学反应进行废水处理的方法和装置
    • US5895576A
    • 1999-04-20
    • US897454
    • 1997-07-22
    • Kazuyuki YamasakiKazuyuki SakataAtsushi Yokotani
    • Kazuyuki YamasakiKazuyuki SakataAtsushi Yokotani
    • C02F3/08C02F1/28C02F1/58C02F3/06C02F3/10C02F3/12
    • C02F3/085C02F1/583C02F3/10Y02W10/15
    • An apparatus for wastewater treatment is provided which can efficiently treat wastewater containing organic matter and, in addition, fluorine, with a relatively small number of tanks required for such treatment. The apparatus includes a first tank adapted to allow wastewater to flow thereinto, the first tank comprising an upper portion having a calcium carbonate mineral mass of smaller granule size and an aeration tube for fluidizing such calcium carbonate mineral mass while aerating the same in the wastewater, an intermediate portion and a lower portion which respectively include a calcium carbonate mineral mass of medium granule size and a calcium carbonate mineral mass of larger granule size, the medium and larger granule size masses of calcium carbonate mineral constituting immobilizing carriers for microbial propagation, and a circulation pump for transferring treated water resulting from treatment in the upper portion to the lower portion. In the upper portion, calcium carbonate mineral is fluidized by aeration so as to treat the wastewater through chemical reaction and, in the intermediate portion and lower portion, organic matter in the wastewater is biologically treated by microorganisms.
    • 提供了一种用于废水处理的设备,其可以有效地处理含有有机物的废水,另外还提供了氟,这种处理所需的罐体数量相对较少。 该装置包括适于允许废水流入其中的第一罐,第一罐包括具有较小颗粒尺寸的碳酸钙矿物质的上部和用于使这种碳酸钙矿物质流化的曝气管,同时在废水中通气, 分别包括中等颗粒尺寸的碳酸钙矿物质和较大颗粒尺寸的碳酸钙矿物质的中间部分和下部,构成用于微生物繁殖的固定载体的中等和较大粒径的碳酸钙矿物质,以及 循环泵,用于将处理的水从上部转移到下部。 在上部,碳酸钙矿物通过曝气流化,以通过化学反应处理废水,在中间部分和下部,废水中的有机物质被微生物生物处理。
    • 9. 发明授权
    • Hydrogen peroxide removal equipment capable of treating both waste water
and waste gas
    • 能够处理废水和废气的过氧化氢去除设备
    • US5632885A
    • 1997-05-27
    • US684238
    • 1996-07-19
    • Kazuyuki YamasakiAtsushi Yokotani
    • Kazuyuki YamasakiAtsushi Yokotani
    • B01D53/44B01J19/30C02F1/28C02F1/58C02F1/70
    • B01D53/44B01J19/30C02F1/283B01J2219/30466Y10S210/919
    • There is provided a hydrogen peroxide removal equipment which has a high capability for removing hydrogen peroxide and is able to cope with variation in amount of a hydrogen peroxide containing waste water and variation of a hydrogen peroxide concentration occurring in a semiconductor plant. A tank 51 is internally provided with a first decomposition section 16, a second decomposition section 17 and a third decomposition section 8 which are constituted by combining a charcoal 9 and a plastic material 10 having a void capable of allowing water and gas to pass therethrough. The first and second decomposition sections 16 and 17 are provided below the level of an outlet port 42 and arranged on both sides of a vertical partition plate 13 located apart from a bottom plate 51E. The third decomposition section 8 is provided above the level of the outlet port 42 and arranged above the first and second decomposition sections 16 and 17. A gas discharging section 12 which discharges a gas upwardly from below the first decomposition section 16 and a water sprinkling device 18 which pumps up a waste water in the tank 51 and sprinkles the same on the third decomposition section 8 are provided.
    • 提供一种除去过氧化氢的能力高,能够应付含有过氧化氢的废水的变化量和半导体装置中发生的过氧化氢浓度的变化的过氧化氢去除装置。 罐51内部设置有第一分解部分16,第二分解部分17和第三分解部分8,它们通过将木炭9和具有允许水和气体通过的空隙的塑料材料10组合而构成。 第一和第二分解部分16和17设置在出口42的高度的下方,并且布置在与底板51E分开的垂直隔板13的两侧。 第三分解部8设置在出口42的高度的上方,配置在第一分解部16和第二分解部17的上方。从第一分解部16的下方向上方排出气体的排气部12以及喷水装置 18,其将在罐51中的废水泵出并将其喷洒在第三分解部8上。