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    • 1. 发明公开
    • Metallic sulfates as wastewater clarificant and their preparation
    • Metall sulfate als Flockungsmittelfürdie Abwasserreinigung und ihre Herstellung。
    • EP0546850A1
    • 1993-06-16
    • EP92311334.4
    • 1992-12-11
    • Kuno, TadahikoHosokawa, Jun-ichiTOKO ABANSU CO., LTD.
    • Kuno, Tadahiko
    • C02F1/52
    • C02F1/5236C01F7/68C01G49/009
    • A clarificant of wastewater comprises an aqueous solution of a polynuclear complex salt comprising sulfates of a plurality of the metals K, Fe, Ca, Na, Mg and Al, e.g. containing per 1000 ml of water 0.78-5.63 g K⁺ ions, 6.00-72.60 g Fe⁺⁺, 0.12-1.20 g Ca⁺⁺, 0.10-1.00 g Na⁺, 6.56-19-70 g Mg⁺⁺, 6.21-35.00 g Al⁺⁺⁺ and 106.08-463.77 g SO₄⁻⁻ ions.
      It is prepared by heating, e.g. at 100° - 190°C and a pressure of 1 to 10.0 kgf/cm², isochorically an aqueous solution containing the said mixture of sulfates, e.g. containing 0.02-0.08 M K⁺, 0.11-1.31 M Fe⁺⁺, 0.003-0.30 M Ca⁺⁺, 0.004-0.40 M Na⁺, 0.27-0.81 M Mg⁺⁺ and 0.370-1.300 Al⁺⁺⁺.
      The solution is added to and rapidly stirred with wastewater to adjust its pH to 4-5 and an alkali, e.g. Ca(OH)₂, is added until the pH is 6-8.5, so as to flocculate nearly all the suspended contaminants and the floc is removed.
      The wastewater treated can be industrial or domestic effluent water or natural water, and there is thus obtained a reduction in biological and chemical oxygen demands and in suspended solids.
    • 显着的废水包括多金属络合盐的水溶液,其包含多种金属K,Fe,Ca,Na,Mg和Al的硫酸盐,例如。 含有每1000ml水0.78-5.63g K +,6.00-72.60g Fe +,0.12-1.20g Ca ++,0.10-1.00g Na +,6.56 -19-70g Mg +,6.21-35.00g Al + +和106.08-463.77g SO4 - - 离子。 它通过加热,例如 在100°-190℃和1至10.0kgf / cm 2的压力下,等离子地加入含有所述硫酸盐混合物的水溶液,例如, 含有0.02-0.08Mg +,0.11-1.31M Fe +,0.003-0.30M Ca ++,0.004-0.40M Na +,0.27-0.81M Mg + <+>和0.370-1.300的Al + + + +。 将溶液加入并与废水快速搅拌以将其pH调节至4-5,加入碱,例如水。 加入Ca(OH)2直到pH为6-8.5,以便将几乎所有悬浮的污染物絮凝,并除去絮凝物。 经处理的废水可以是工业或家庭废水或天然水,从而获得生物和化学需氧量以及悬浮固体的降低。
    • 3. 发明公开
    • Liquid level indicator using laser beam
    • Flüssigkeitspegelanzeigermit einem Laserstrahl。
    • EP0303221A1
    • 1989-02-15
    • EP88112900.1
    • 1988-08-08
    • NITTO MACHINERY CO., LTD.Kuno, Tadahiko
    • Ishida, Sadao
    • G01F23/28G01F23/64
    • F17C13/021F17C2201/0109F17C2201/0128F17C2201/032F17C2201/035F17C2221/014F17C2221/035F17C2221/037F17C2223/0153F17C2223/033F17C2250/0417G01F23/292G01F23/686
    • To eliminate the influence of high internal pressure within a liquefied gas tank upon measuring a liquid level (6) by the laser beam travel speed in an optical liquid level indicator (11) using a laser beam reflected by a float mirror (7,8), a reference scale (21) is provided within the upper gaseous space above the liquid level (6). Due to a given optical path length of the reference scale (21), the influence of a pressure rise within the tank is compensated for correcting the liquid level height detected by the float mirror (7,8). The level indicator (11) includes a laser-pulse generator, change-over switch (12), two optical guide means (fibers) (9,29), a float (7) with a cube mirror (8), a reference scale (21) with mirror (28) disposed in an upper space above the level (6), lens systems (10,30) associated with the mirrors (8,28) of float (7) and reference scale (21), and a level indicating section (11) having light wave distance measuring unit (13) and calculating means (14) for correcting the measured value based on the measured value on the reference scale (21).
    • 为了消除液化气罐内的高内压的影响,使用由浮子镜(7,8)反射的激光束在光学液面指示器(11)中通过激光束行进速度测量液位(6) 在液位(6)上方的上部气体空间内设置参考标尺(21)。 由于参考标尺(21)的给定光程长度,补偿了罐内的压力上升的影响,以校正由浮子镜(7,8)检测到的液位高度。 电平指示器(11)包括激光脉冲发生器,转换开关(12),两个光导装置(光纤)(9,29),具有立体镜(8)的浮子(7),参考刻度 (21),镜子(28)设置在水平面(6)上方的上部空间中,与浮子(7)和参考标尺(21)的反射镜(8,28)相关联的透镜系统(10,30)和 具有光波距离测量单元(13)的电平指示部分(11)和用于基于参考标尺(21)上的测量值校正测量值的计算装置(14)。
    • 5. 发明专利
    • DE69212289D1
    • 1996-08-22
    • DE69212289
    • 1992-12-11
    • KUNO TADAHIKOHOSOKAWA JUN ICHITOKO ABANSU CO
    • KUNO TADAHIKO
    • B01D21/01C01F7/68C01G49/00C02F1/00C02F1/50C02F1/52
    • A clarificant of wastewater comprises an aqueous solution of a polynuclear complex salt comprising sulfates of a plurality of the metals K, Fe, Ca, Na, Mg and Al, e.g. containing per 1000 ml of water 0.78-5.63 g K ions, 6.00-72.60 g Fe , 0.12-1.20 g Ca , 0.10-1.00 g Na , 6.56-19-70 g Mg , 6.21-35.00 g Al and 106.08-463.77 g SO4 ions. It is prepared by heating, e.g. at 100 DEG - 190 DEG C and a pressure of 1 to 10.0 kgf/cm , isochorically an aqueous solution containing the said mixture of sulfates, e.g. containing 0.02-0.08 M K , 0.11-1.31 M Fe , 0.003-0.30 M Ca , 0.004-0.40 M Na , 0.27-0.81 M Mg and 0.370-1.300 Al . The solution is added to and rapidly stirred with wastewater to adjust its pH to 4-5 and an alkali, e.g. Ca(OH)2, is added until the pH is 6-8.5, so as to flocculate nearly all the suspended contaminants and the floc is removed. The wastewater treated can be industrial or domestic effluent water or natural water, and there is thus obtained a reduction in biological and chemical oxygen demands and in suspended solids.
    • 6. 发明专利
    • DE69212289T2
    • 1997-02-20
    • DE69212289
    • 1992-12-11
    • KUNO TADAHIKOHOSOKAWA JUN ICHITOKO ABANSU CO
    • KUNO TADAHIKO
    • B01D21/01C01F7/68C01G49/00C02F1/00C02F1/50C02F1/52
    • A clarificant of wastewater comprises an aqueous solution of a polynuclear complex salt comprising sulfates of a plurality of the metals K, Fe, Ca, Na, Mg and Al, e.g. containing per 1000 ml of water 0.78-5.63 g K ions, 6.00-72.60 g Fe , 0.12-1.20 g Ca , 0.10-1.00 g Na , 6.56-19-70 g Mg , 6.21-35.00 g Al and 106.08-463.77 g SO4 ions. It is prepared by heating, e.g. at 100 DEG - 190 DEG C and a pressure of 1 to 10.0 kgf/cm , isochorically an aqueous solution containing the said mixture of sulfates, e.g. containing 0.02-0.08 M K , 0.11-1.31 M Fe , 0.003-0.30 M Ca , 0.004-0.40 M Na , 0.27-0.81 M Mg and 0.370-1.300 Al . The solution is added to and rapidly stirred with wastewater to adjust its pH to 4-5 and an alkali, e.g. Ca(OH)2, is added until the pH is 6-8.5, so as to flocculate nearly all the suspended contaminants and the floc is removed. The wastewater treated can be industrial or domestic effluent water or natural water, and there is thus obtained a reduction in biological and chemical oxygen demands and in suspended solids.
    • 7. 发明专利
    • WASTE SHELLFISHS TREATING EQUIPMENT
    • JPH0889933A
    • 1996-04-09
    • JP25880394
    • 1994-09-28
    • KUNO TADAHIKOCORONA GIKEN KOGYO KK
    • KUNO TADAHIKO
    • B09B3/00B09B5/00C02F11/02C05F1/02
    • PURPOSE: To discard and dispose waste shellfishes without entailing environmental pollution by malodors, etc., by crushing the waste shellfishes, liquefying the components of shellfish meat with protein decomposition enzyme, separating the liquid from the shellfishes and subjecting the liquid to a pressure floating treatment, etc., to decompose BOD components. CONSTITUTION: The waste shellfishes 21 mixed with muddy water and mud are separated to the muddy water and mud by a screen 2A and the shells and the shellfish meat are crushed to a slurry form by a crushing machine 2B in a pretreating device 2 of this shellfishes treating equipment 1. The slurry is thrown into a stirring tank 3A of a protein decomposing reaction machine and is diluted with warm water of 30 to 35 deg.C; in addition, the slurry is stirred under addition of the protein decomposition enzyme mainly composed of protease, by which the shellfish meat is decomposed and dissolved in a reaction treating device 3. Further, the product of the treatment is separated to the crushed shells and the shellfish meat solution and while the crushed shells are discharged, the shellfish meat solution is temporarily stored in a storage tank 4B in a separating and storage device 4. The shellfish meat solution is introduced into a floating tank 5A where the suspensions are subjected to flotation and separation in a pressure floating device 5.
    • 9. 发明专利
    • LIQUID-VISCOSITY MEASURING APPARATUS
    • JPS63298135A
    • 1988-12-05
    • JP13442587
    • 1987-05-29
    • NITTO MACHINERYKUNO TADAHIKO
    • TAKAHASHI KOICHIKUNO TADAHIKO
    • G01N11/06
    • PURPOSE:To make it possible to measure the viscosity of a sample highly accurately and automatically, by introducing the sample in a measuring pipe made of transparent material, making the sample flow down in the pipe, and measuring the time, during which the liquid head of the sample passes two points, by using optical sensors. CONSTITUTION:First and second index positions E and F are provided at the intermediate parts of a measuring pipe 1 made of a transparent material in the longitudinal direction with a specified interval being provided. First and second photosensors 4 and 5 are provided at the index positions. The measuring pipe 1 is immersed in a constant temperature bath, in which sample liquid is contained. The temperature of the constant temperature bath is controlled to a specified viscosity measuring temperature condition. Under this state, the liquid sample S is sucked up in the measuring pipe 1. Then, the liquid is made to flow down. At this time, the liquid head SA of the descending liquid S is sequentially detected with the sensors 4 and 5. The passing times of the liquid S through the first and second indexes E and F are obtained with an operating means, which is connected to the sensors 4 and 5, based on the output signals of the sensors. The viscosity value of the sample liquid S is computed based on the passing times.