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1. 发明专利

JPH10314505A METHOD FOR TREATING ORGANIC WASTEWATER 失效
公开(公告)号：JPH10314505A
公开(公告)日：1998-12-02
申请号：JP14294497
申请日：1997-05-19
申请人： EBARA CORP , NOGUCHI HIROSHI
发明人： YONEYAMA YUTAKA , HONMA YASUHIRO , KITAMURA TERUAKI , NOGUCHI HIROSHI , ISHII HIDETOSHI
IPC分类号： B01D21/30 , B01D21/01 , C02F1/52 , C02F3/12
摘要： PROBLEM TO BE SOLVED: To provide a method for treating organic wastewater capable of removing SS, phosphorus and the like efficiently regardless of variation of concentration in raw water. SOLUTION: In a method for treating organic wastewater wherein the organic wastewater 5 containing SS, soluble organic substances, phosphorus, and nitrogen is coagulation-treated by an inorganic coagulant 13 and a polymer coagulant 14 and then bioremediation 3 is conducted to the treated water, a coagulation- treatment is conducted by addition of the inorganic coagulant 13 by a method wherein necessary amount of addition of the inorganic coagulant 13 is calculated to concentration of SS and concentration of phosphorus of the organic wastewater and determined from the larger value of the amount of addition between the calculated amounts of addition. Thereby the coagulation-treatment can be conducted by a method wherein measurement of the concentration of SS and the concentration of phosphorus are conducted automatically and amount of injection of the inorganic coagulant is automatically regulated on the basis of the measured value.

2. 发明专利

JP2000046824A AUTOMATIC WATER QUALITY MEASURING METHOD AND APPARATUS 失效
公开(公告)号：JP2000046824A
公开(公告)日：2000-02-18
申请号：JP22753698
申请日：1998-07-29
申请人： EBARA CORP , NOGUCHI HIROSHI
发明人： YONEYAMA YUTAKA , HONMA YASUHIRO , TOKUNO MITSUHIRO , KITAMURA TERUAKI , NOGUCHI HIROSHI , UENO KOJI
IPC分类号： G01N33/18 , C02F1/00
摘要： PROBLEM TO BE SOLVED: To automatically measure water quality stably for a long time by reducing the clogging of a filter in the direct measurement of the quality of raw water. SOLUTION: In a method for automatically measuring the quality of waste water containing solid organic matter, solid inorganic matter, soluble organic matter and soluble inorganic matter, the waste water 6 to be measured is diluted with water 7 not containing a water quality item to be measured and, after the solid organic and inorganic matters are separated from the dluted waste water by a solid-liquid separation device 3, the water quality of separated liquid 3 is automatically measured 5. The solid-liquid separation is preferably performed by using a hollow yarn membrane mondule and, as a water quality measuring meter, a phosporus meter, a nitrogen meter, a TOC meter, a colorimeter or the like can be adapted.

3. 发明专利

JPH10314757A METHOD FOR TREATING SEWAGE TURNED BACK WATER 失效
公开(公告)号：JPH10314757A
公开(公告)日：1998-12-02
申请号：JP14294597
申请日：1997-05-19
申请人： EBARA CORP , NOGUCHI HIROSHI
发明人： YONEYAMA YUTAKA , HONMA YASUHIRO , KITAMURA TERUAKI , NOGUCHI HIROSHI , ISHII HIDETOSHI
IPC分类号： C02F3/06 , C02F1/58 , C02F3/12 , C02F11/00
摘要： PROBLEM TO BE SOLVED: To provide a method for treating sewage turned back water by which BOD, nitrogen, phosphorus, etc., contained in the turned back water are efficiently removed in a compact treatment facility. SOLUTION: This method for treating turned back water 19 includes a sludge treatment process including a concentrating process 4 for concentrating sludge containing excess sludge 15 generated in a sewage treatment site and an initially precipitated sludge 13, a digesting process 2', and a dewatering process 5 and the resultant treated water is turned back after the sludge treatment process. A flocculating agent is added to the turned back water 19 to carry out flocculation treatment by a high speed granulating and precipitating treatment apparatus 7 equipped with a concentrating tank and SS and phosphorus in the turned back water are removed and then remaining BOD and nitrogen are removed by biological membrane filtration treatment 8, 9. The sludges generated in sewage treatment sites may be the sludges gathered from a plurality of sewage treatment sites and the biological membrane filtration treatment 8, 9 may be denitrification 8 and nitrification 9 treatment using a floating type filtration material and the treatment may be carried out in tanks arranged separately in series.

4. 发明专利

JPH11207389A TREATMENT OF HARDLY DECOMPOSABLE COD COMPONENT IN WASTE WATER 失效
公开(公告)号：JPH11207389A
公开(公告)日：1999-08-03
申请号：JP2630098
申请日：1998-01-26
申请人： EBARA CORP , NOGUCHI HIROSHI
发明人： YONEYAMA YUTAKA , HONMA YASUHIRO , TOKUNO MITSUHIRO , NOGUCHI HIROSHI , UENO KOJI
IPC分类号： C02F3/30
摘要： PROBLEM TO BE SOLVED: To provide a treatment method for waste water capable of efficiently and biologically treating ammoniacal nitrogen, organic nitrogen and hardly decomposable COD components. SOLUTION: In the method for treating the hardly decomposable COD components by biologically treating the waste water contg. BOD, COD, ammoniacal nitrogen and organic nitrogen, a first biological treatment vessel 1b under anaerobic conditions, a second biological treatment vessel 2a under aerobic conditions, the last biological treatment vessel 2b under the anaerobic conditions and the last biological treatment vessel 4a under the aerobic conditions are successively disposed. The waste water 5 is respectively dividedly introduced into the biological treatment vessels 1b, 3b under the anaerobic conditions. The treated water of the second biological treatment vessel 2a is partly circulated 7 to the first biological treatment vessel 1b and the waste water 5 is biologically treated while the waste water is successively passed through the respective treatment vessels. The first biological treatment vessels under the anaerobic condition described above and the second biological treatment vessels under the aerobic condition may be disposed in a plurality in multiple stages. The biological treatment vessels are preferably the treatment vessels provided with organism-fixed beds.

5. 发明专利

JP2005040709A High speed separation floatation method and high speed floatation separation equipment 审中-公开
标题翻译：高速分离浮选法和高速浮选分离装置
公开(公告)号：JP2005040709A
公开(公告)日：2005-02-17
申请号：JP2003277551
申请日：2003-07-22
申请人： Ebara Corp , Tokyo Metropolis , 東京都 , 株式会社荏原製作所
发明人： KATAOKA KATSUYUKI , YONEYAMA YUTAKA , HINUMA HIROTOSHI , WATANABE SHOJIRO , SAWAI KENJI , SUZUKI KEN , FUJIHASHI TOMOKAZU , SAKAMOTO TATSUYA , SUGIYAMA YOSHITAKA , KITAMURA KIYOAKI
IPC分类号： C02F1/56 , C02F1/24
摘要： PROBLEM TO BE SOLVED: To provide an innovational technique utilizing a new principle of floating a substance to be removed in raw water of every kind such as sewage, factory wastewater, river water, water of lakes and marshes and the like at an extremely high speed to separate the same.
SOLUTION: In this high speed floatation separation method, raw water, to which buoyant particles and a flocculant are added, is supplied to a flocculation/adhesion tank and flocs formed by stirring are stuck to the buoyant particles. Subsequently, an aqueous suspension containing floc-sticking buoyant particles is supplied to the lowermost part of a floatation tank, which is vertically provided with a plurality of floatation parts through an inclined plate, to allow the buoyant particles to buoy in the floatation tank. Next, treated water is taken out of the lower parts of the floatation parts of stages and the floc-sticking buoyant particles are drawn out of the uppermost part of the floatation tank. After SS is separated from the buoyant particles, peeled SS is excluded to the outside of the system while the peeled buoyant particles are returned to the flocculation/adhesion tank.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种利用污水，工厂废水，河水，湖泊和沼泽等各种原料中漂浮待去除物质的新原理的创新技术极高的速度分开一样。解决方案：在这种高速浮选分离方法中，将添加有浮力颗粒和絮凝剂的原水提供给絮凝/粘附槽，并将通过搅拌形成的絮凝物粘附在浮力颗粒上。随后，将含有絮状浮力颗粒的含水悬浮液供给到通过倾斜板垂直设置有多个浮选部件的浮选槽的最下部，以使浮力颗粒浮在浮选槽中。接下来，将处理过的水从阶段浮选部分的下部取出，并将絮状漂浮的浮力颗粒从浮选罐的最上部抽出。在将SS与浮力颗粒分离之后，将剥离的SS排除到系统的外部，同时将剥离的浮力颗粒返回到絮凝/粘附槽。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004305838A Method and apparatus for filtering organic sewage 有权
公开(公告)号：JP2004305838A
公开(公告)日：2004-11-04
申请号：JP2003100368
申请日：2003-04-03
申请人： Ebara Corp , 株式会社荏原製作所
发明人： KATAOKA KATSUYUKI , YONEYAMA YUTAKA
IPC分类号： B01D29/00 , B01D24/00 , B01D37/02 , C02F1/00 , C02F3/20
CPC分类号： Y02W10/15
摘要： PROBLEM TO BE SOLVED: To provide a new technique capable of preventing the occurrence of a harmful malodorous gas from a filter device for organic wastewater such as sewage by extremely simple equipment. SOLUTION: In this method for filtering organic sewage, organic sewage and oxygen-containing microbubbles are allowed to flow in a filter medium packed bed from below to filter the organic sewage. A filter device for organic sewage has an oxygen containing microbubble producing device for producing oxygen containing microbubbles on the organic sewage inflow side above or below the filter medium packed bed. The oxygen containing microbubbles preferably contain 50% or above of air bubbles with a bubble size of 1,000 μm or below. COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2001047003A TREATMENT OF ORGANIC WASTE 失效
公开(公告)号：JP2001047003A
公开(公告)日：2001-02-20
申请号：JP22759499
申请日：1999-08-11
申请人： EBARA CORP
发明人： SUZUKI HITOMI , YAIDE NORIHIRO , YONEYAMA YUTAKA
IPC分类号： B09B3/00 , C02F11/04
摘要： PROBLEM TO BE SOLVED: To provide an organic waste treatment method capable of removing ammonia generated by anaerobic treatment and carrying out preferable methane fermentation without using diluting water from the outside. SOLUTION: In a method for anaerobic treatment 1 of organic wastes 4, a phosphoric acid salt 8 and/or a magnesium compound 9 is added to a part or all of the sludge after anaerobic treatment or to a part or all of the separated liquid obtained by perforing solid-liquid separation of the sludge after anaerobic treatment so as to produce ammonia magnesium phosphate 2, and a part or all of the resultant matter is subjected to solid-liquid separation 3 and then the obtained separated solution 5 is returned to the anaerobic treatment 1 and the sludge obtained by solid-liquid separation of the sludge after the anaerobic treatment can partially or entriely be returned to the anaerobic treatment.

8. 发明专利

JP2000237787A ANAEROBIC TREATMENT DEVICE OF OIL AND FAT-CONTAINING WASTE WATER 失效
公开(公告)号：JP2000237787A
公开(公告)日：2000-09-05
申请号：JP4202399
申请日：1999-02-19
申请人： EBARA CORP
发明人： YONEYAMA YUTAKA , SUZUKI TAKAYUKI , MIYA AKIKO , WATANABE AKIRA
IPC分类号： B09B3/00 , C02F3/28 , C02F11/04
摘要： PROBLEM TO BE SOLVED: To provide a methane fermentation treatment enhanced a gas recovery ratio in the methane fermentation treatment and stabilized itself by performing a pretreatment for oil and fat-containing organic waste water as much as possible. SOLUTION: In an biological treatment of the oil and fat-containing waste water, high concentration of oil and fat-containing waste water is performed acid-fermentation and the acid-fermentation water and organic waste water not containing oils and fats are mixed and a methane fermentation treatment is performed. The waste water, flowing in the methane fermentation treatment, which is mixed acid-fermentation treated water with the organic waste water not containing oils and fats, is preferred to be

9. 发明专利

JP2005058852A Solid/liquid separator 审中-公开
标题翻译：固体/液体分离器
公开(公告)号：JP2005058852A
公开(公告)日：2005-03-10
申请号：JP2003289913
申请日：2003-08-08
申请人： Ebara Corp , 株式会社荏原製作所
发明人： KATAOKA KATSUYUKI , YONEYAMA YUTAKA , SAWAI KENJI , KASHIMADA KOJI
IPC分类号： B01D33/06 , C02F1/24
摘要： PROBLEM TO BE SOLVED: To provide a novel solid/liquid separation technology making the best use of advantages of and solving the disadvantage of filtration and floatation separation by combining floating separation technology using a floating particle with a filtration method by a screen, a net or a filter cloth. SOLUTION: In the solid/liquid separation device, a feed part for flock deposited floating particle-containing water; a removing part A for the floating particle floated on a water surface of the tank; and a floating particle suction part B adjacent to a part of an outer surface of a rotation drum filtration body are provided on the tank in which a perforated water-passing rotation drum filtration body for passing water from an outer side of the drum to the inner side and having a filtration water flowing out part at a central part of the drum is immersed in water. The solid/liquid separation device is provided with a route for circulating the floating particle from the above A, B to raw water. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种新颖的固/液分离技术，通过将使用浮动颗粒的浮动分离技术与通过筛网的过滤方法结合起来，充分利用了过滤和浮选分离的缺点的优点并解决了其缺点，网或滤布。解决方案：在固/液分离装置中，用于植绒浮选颗粒的水的进料部分; 用于浮动颗粒的去除部分A漂浮在罐的水面上; 并且在其上设置有用于将水从滚筒的外侧传递到内部的穿孔的水过旋转鼓过滤体的罐上，与旋转鼓过滤体的外表面的一部分相邻的浮动颗粒吸附部B 并且在滚筒的中心部分具有流出部分的过滤水浸入水中。固/液分离装置设置有用于将浮选颗粒从上述A，B循环到原水的路线。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2002192191A METHOD AND APPARATUS FOR TREATING CELLULOSE FIBER TYPE ORGANIC WASTE 失效
公开(公告)号：JP2002192191A
公开(公告)日：2002-07-10
申请号：JP2000399965
申请日：2000-12-28
申请人： EBARA CORP
发明人： YAMADA NORIO , CHIKARAISHI HAJIME , YONEYAMA YUTAKA , NISHIMOTO MASAAKI
IPC分类号： C02F11/04 , B02C21/00
摘要： PROBLEM TO BE SOLVED: To provide a methane fermentation treatment method and apparatus for organic waste, for increasing energy recovery quantity while reducing the amount of waste by enhancing the decomposition ratio of cellulose fibers. SOLUTION: In a treatment method for performing the methane fermentation treatment of organic waste containing cellulose fibers, the organic waste 1 is successively treated in a dehydration process 2, a dry grinding process 4 and a methane fermentation process 5 and generated methane 13 is passed through a power producing process 6. At this time, the waste 12 ground in a grinding process 3 is mixed with a dehydrated filtrate 11 or water to be charged in the methane fermentation process 5 or the organic waste is successively treated in the methane fermentation process, the dehydration process and the dry grinding process and the ground matter is again charged in the fermentation process and generated methane is passed through the power producing process and a drying process is provided between the dehydration process and the dry grinding process.

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