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41. 发明专利

JPS59156494A Apparatus for waste water disposal 失效
标题翻译：废水处理设备
公开(公告)号：JPS59156494A
公开(公告)日：1984-09-05
申请号：JP2939383
申请日：1983-02-25
申请人： Nippon Kokan Kk
发明人： IKEHATA TAKAO , ITOU MASAAKI
IPC分类号： C02F3/22 , C02F3/26
CPC分类号： Y02W10/15
摘要： PURPOSE: To enhance the supply amount of oxygen for improving the efficiency of purifying waste water, by independently providing a means for circulating water to a filthy water disposal channel formed into a horizontal closed channel and an oxygen supply means for supplying oxygen to the interior of said channel.
CONSTITUTION: Waste water having flowed through a sedimentation basin 6 into a ditch 1 is mixed with activated sludge in the ditch 1 and circulated through the ditch 1 by a water circulating means 10. In the water circulating means 10, the removal of nitrogen is performed. Thereafter, the liquid mixture is circulated through an oxygen supply means 11. At this time, the mixed sludge is aerated to accept the supply of oxygen necessary for the oxidation of BOD and nitrifying reaction. Hereon, the oxygen supply means 11 is exclusively used for the supply of oxygen, so that the sufficient amount of oxygen can be supplied. In addition, it is easy to control oxygen supply. At a part apart from the oxygen supply means 11, the amount of dissolved oxygen is reduced to form an anaerobic zone. Hence, denitrifying reaction is accelerated.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过独立地提供一种将水循环到形成水平封闭通道的脏水处理通道和用于向内部供应氧气的供氧装置，提供用于提高净化废水效率的氧气供应量，说渠道。构成：将通过沉淀池6流入沟1的废水与沟1中的活性污泥混合，并通过水循环装置10在沟1中循环。在水循环装置10中，进行氮的除去。此后，液体混合物通过供氧装置11循环。此时，混合污泥充气以接受BOD氧化和硝化反应所需的氧气供应。因此，供氧装置11专门用于供氧，从而可以供应足量的氧气。另外，很容易控制供氧。在除氧供给装置11之外的部分，溶解氧的量减少以形成厌氧区。因此，反硝化反应加快。

42. 发明专利

JPS56155684A TREATMENT OF HEAVY METALS DISSOLVED IN AQUEOUS SOLUTION 失效
公开(公告)号：JPS56155684A
公开(公告)日：1981-12-01
申请号：JP5778880
申请日：1980-05-02
申请人： NIPPON KOKAN KK
发明人： YAMASHITA YUU , IKEHATA TAKAO , TATE KAZUHIKO , NAKAHARA KEISUKE
IPC分类号： C02F1/28
摘要： PURPOSE:To precipitate heavy metals with sludge and remove them from waste water by a method in which granular converter slag is added to a waste water containing heavy metals such as Hg, etc., while an acid is also added to the waste water to regulate its pH, and then the granular converter slag is again added to the waste water. CONSTITUTION:A harmful waste water containing Hg and other harmful heavy metals, e.g., smoke-washing water from incinerator for wastes, etc., is put in a pH regulating tank 8, and then granular converter slag 12a and an acid 13, e.g., hydrochloric acid, etc., are added to the waste water with stirring by a stirring blade 6a to regulate its pH to 2.0 or less. The waste water so treated is kept for approx. 10min or more and then transferred to a reactor tank 1, and the granular converter slag 12 is again added to the waste water with stirring, whereupon heavy metals such as Hg, etc., are reacted with the converter slag and precipitated in the form of sludge. The sludge-containing waste water is sent to a filter separator 2, where solids are separated from liquid to produce harmless treated water containing no Hg, etc.

43. 发明专利

JPS549158A METHOD OF REMOVING NITROGEN OXIDES IN COKE OVEN WASTE GAS 失效
公开(公告)号：JPS549158A
公开(公告)日：1979-01-23
申请号：JP7444777
申请日：1977-06-24
申请人： NIPPON KOKAN KK
发明人： IKEHATA TAKAO , MIYAZAWA MAKOTO , ITAGAKI MASANORI , MORI TAKASHI , OKADA YUTAKA
IPC分类号： B01D53/56 , B01D53/34 , B01J12/00 , C01B21/02
摘要： PURPOSE:To accomplish an effective, inexpensive denitration with a simple equipment by mixing a waste gas to be supplied to a regenerator with air containing a specified amount of ammonium.

44. 发明专利

JPH0128638B2 失效
公开(公告)号：JPH0128638B2
公开(公告)日：1989-06-05
申请号：JP1924385
申请日：1985-02-05
申请人： NIPPON KOKAN KK
发明人： IKEHATA TAKAO , SATO ICHIRO , ITO MASAAKI , UEHARA HATSUO , OOGAKI YOJI
IPC分类号： C02F3/16 , C02F3/14

45. 发明专利

JPS645929B2 失效
公开(公告)号：JPS645929B2
公开(公告)日：1989-02-01
申请号：JP24416783
申请日：1983-12-26
申请人： NIPPON KOKAN KK , HORIUCHI KIMIO
发明人： HORIUCHI KIMIO , IKEHATA TAKAO , SATO ICHIRO , ITO MASAAKI , OOGAKI YOJI , MORI YASUSHI , UEHARA HATSUO
IPC分类号： B01D21/26

46. 发明专利

JPS6355999B2 失效
公开(公告)号：JPS6355999B2
公开(公告)日：1988-11-07
申请号：JP24776784
申请日：1984-11-22
申请人： NIPPON KOKAN KK
发明人： IKEHATA TAKAO , ITO MASAAKI , SATO ICHIRO , OOGAKI YOJI , INOE MASAZUMI
IPC分类号： C02F3/30 , C02F3/14 , C02F3/34

47. 发明专利

JPS6339317B2 失效
公开(公告)号：JPS6339317B2
公开(公告)日：1988-08-04
申请号：JP17921684
申请日：1984-08-30
申请人： NIPPON KOKAN KK
发明人： HARA ATSUSHI , IKEHATA TAKAO , SATO ICHIRO , ITO MASAAKI , UEHARA HATSUO , OOGAKI YOJI
IPC分类号： C02F3/22

48. 发明专利

JPS6339316B2 失效
公开(公告)号：JPS6339316B2
公开(公告)日：1988-08-04
申请号：JP17850484
申请日：1984-08-29
申请人： NIPPON KOKAN KK
发明人： HARA ATSUSHI , IKEHATA TAKAO , SATO ICHIRO , ITO MASAAKI , UEHARA HATSUO , OOGAKI YOJI
IPC分类号： C02F3/22 , B01D21/24

49. 发明专利

JPS61271087A TREATMENT OF WASTE WATER CONTAINING PHOSPHATE 失效
公开(公告)号：JPS61271087A
公开(公告)日：1986-12-01
申请号：JP11221585
申请日：1985-05-27
申请人： NIPPON KOKAN KK
发明人： IKEHATA TAKAO , ITO MASAAKI , FUJISAWA YOSHINARI , TAKEUCHI HIDEJI
IPC分类号： C02F1/58
摘要： PURPOSE:To permit removal of phosphate effectively from P-contg. waste water at low cost by using spherical particulate air-granulated slag obtd. by granulating molten slag by-produced from a steel manufacturing process by cooling with air as a crystallized filter medium. CONSTITUTION:Spherical particulate air-granulated slag obtd. by granulating molten slag by-produced from steel manufacturing process by cooling with air is used as crystallizing filter medium to treat waste water contg. P for dephosphorization by contacting with the filter medium. As the result, P contained in the waste water is removed simply and effectively, thus, dephosphorization is performed stably for a long time with a relatively simple and compact apparatus. Moreover, the filter medium is available at very low cost because only preparation of air-granulated slag is necessary. Secure opera tion in passing liquid and backwashing are possible stably. Because of low content of free CaO in the filter medium, adjustment of pH of treated water is easy.

50. 发明专利

JPS61171510A METHOD AND APPARATUS FOR FLOCCULATING SUSPENSION 失效
公开(公告)号：JPS61171510A
公开(公告)日：1986-08-02
申请号：JP921285
申请日：1985-01-23
申请人： NIPPON KOKAN KK
发明人： IKEHATA TAKAO , ITO MASAAKI , SATO ICHIRO , TAKEUCHI HIDEJI
IPC分类号： B01D21/01 , C02F1/52
摘要： PURPOSE:To enhance stirring effect, by packing a large number of stirring chambers provided in a slow speed stirring tank with a large number of hollow medii and allowing a suspension to pass through said medii to generate vortex streams by the contact and collision with said medii to perform slow speed stirring. CONSTITUTION:The suspension having a flocculant 3 added thereto in a high speed stirring tank 2 is guided to a flocculation tank 5 and successively flows through a large number of stirring chambers 7a, 7b... partitioned by perforated plate like partition walls 6 so as to be provided to a water flowing direction. At this time, the suspension is contacted with hollow medii allowed to pack to stirring chambers to be brought to a turbulent flow state to generate vortex streams. Slow stirring is performed by these vortex streams to flocculate suspended substances.

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