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    • 2. 发明授权
    • Wastewater treatment method and wastewater treatment apparatus
    • 污水处理方法和废水处理设备
    • US08388845B2
    • 2013-03-05
    • US12720731
    • 2010-03-10
    • Kazuichi IsakaYuya KimuraTatsuo Sumino
    • Kazuichi IsakaYuya KimuraTatsuo Sumino
    • C02F3/30
    • C02F3/302C02F3/006C02F3/108C02F3/348C02F2101/16Y02W10/15
    • An aspect of the present invention provides a wastewater treatment method for treating wastewater containing ammonium nitrogen, including the steps of: oxidizing the ammonium nitrogen in the wastewater to nitrite with nitrifying bacteria in a treatment tank in which the nitrifying bacteria and anaerobic ammonium-oxidizing bacteria having a half-saturation constant of 6.1 mgN/L or more with respect to nitrite coexist; and denitrifying the nitrite formed through the oxidation of the ammonium nitrogen, with the anaerobic ammonium-oxidizing bacteria in the treatment tank, while using the ammonium nitrogen contained in the wastewater as a hydrogen donor. The method employs the anaerobic ammonium-oxidizing bacteria that can maintain the denitrification activity even under a condition in which the amount of dissolved oxygen is large, consequently can easily maintain the activities of both of the nitrifying bacteria and the anaerobic ammonium-oxidizing bacteria which coexist in the same treatment tank, and can rapidly perform wastewater treatment.
    • 本发明的一个方面提供了一种用于处理含有铵态氮的废水的废水处理方法,包括以下步骤:在硝化细菌和厌氧氨氧化细菌的处理槽中,将硝化细菌在废水中氧化成亚硝酸盐 相对于亚硝酸盐的半饱和常数为6.1mgN / L以上并存; 并且在处理槽中与厌氧氨氧化细菌一起使氮气氧化形成的亚硝酸盐反硝化,同时使用废水中所含的铵态氮作为氢供体。 该方法采用厌氧氨氧化细菌,即使在溶解氧量大的条件下也能维持反硝化活性,因此可以容易地维持共存的硝化细菌和厌氧性铵氧化细菌的活性 在同一处理槽中,可以快速进行废水处理。
    • 3. 发明授权
    • Wastewater treatment method
    • 污水处理方法
    • US08293109B2
    • 2012-10-23
    • US12728290
    • 2010-03-22
    • Yuya KimuraKazuichi IsakaTatsuo Sumino
    • Yuya KimuraKazuichi IsakaTatsuo Sumino
    • C02F3/28
    • C02F3/348C02F3/10C02F3/2806C02F3/301C02F3/302C02F2209/22Y02W10/15
    • A wastewater treatment method for treating wastewater containing ammonium nitrogen, includes the steps of: charging an unacclimated denitrification carrier containing anaerobic ammonium-oxidizing bacteria into a treatment tank; charging an unacclimated nitrification carrier containing nitrifying bacteria into the treatment tank; acclimating the unacclimated denitrification carrier in the treatment tank under an anaerobic condition; acclimating the unacclimated nitrification carrier in the treatment tank under an aerobic condition, after having acclimated the denitrification carrier; nitriting the ammonium nitrogen in the wastewater to generate nitrite with the acclimated nitrification carrier; and denitrifying the nitrite generated by nitriting the ammonium nitrogen with the acclimated denitrification carrier, while using the ammonium nitrogen in the wastewater as a hydrogen donor.
    • 一种废水处理方法,用于处理含有铵态氮的废水,包括以下步骤:将含有厌氧氨氧化细菌的未经脱氮的脱氮载体装入处理槽; 将含有硝化细菌的未经施用的硝化载体装入处理槽; 在厌氧条件下适应处理槽中的未驯化脱氮载体; 在需氧条件下,适应了反硝化载体适应处理槽中未处理的硝化载体; 对废水中的铵态氮进行氮化处理以产生亚硝酸盐与适应的硝化载体; 同时使硝化氮与适应的脱氮载体反硝化,同时使用废水中的铵态氮作为氢供体。
    • 4. 发明申请
    • WASTEWATER TREATMENT METHOD
    • 废水处理方法
    • US20100243562A1
    • 2010-09-30
    • US12728290
    • 2010-03-22
    • Yuya KIMURAKazuichi IsakaTatsuo Sumino
    • Yuya KIMURAKazuichi IsakaTatsuo Sumino
    • C02F3/30
    • C02F3/348C02F3/10C02F3/2806C02F3/301C02F3/302C02F2209/22Y02W10/15
    • A wastewater treatment method for treating wastewater containing ammonium nitrogen, includes the steps of: charging an unacclimated denitrification carrier containing anaerobic ammonium-oxidizing bacteria into a treatment tank; charging an unacclimated nitrification carrier containing nitrifying bacteria into the treatment tank; acclimating the unacclimated denitrification carrier in the treatment tank under an anaerobic condition; acclimating the unacclimated nitrification carrier in the treatment tank under an aerobic condition, after having acclimated the denitrification carrier; nitriting the ammonium nitrogen in the wastewater to generate nitrite with the acclimated nitrification carrier; and denitrifying the nitrite generated by nitriting the ammonium nitrogen with the acclimated denitrification carrier, while using the ammonium nitrogen in the wastewater as a hydrogen donor.
    • 一种废水处理方法,用于处理含有铵态氮的废水,包括以下步骤:将含有厌氧氨氧化细菌的未经脱氮的脱氮载体装入处理槽; 将含有硝化细菌的未经施用的硝化载体装入处理槽; 在厌氧条件下适应处理槽中的未驯化脱氮载体; 在需氧条件下,适应了反硝化载体适应处理槽中未处理的硝化载体; 对废水中的铵态氮进行氮化处理以产生亚硝酸盐与适应的硝化载体; 同时使硝化氮与适应的脱氮载体反硝化,同时使用废水中的铵态氮作为氢供体。
    • 5. 发明授权
    • Wastewater treatment method and wastewater treatment apparatus
    • 污水处理方法和废水处理设备
    • US08303817B2
    • 2012-11-06
    • US12729264
    • 2010-03-23
    • Kazuichi IsakaYuya KimuraTatsuo Sumino
    • Kazuichi IsakaYuya KimuraTatsuo Sumino
    • C02F3/30
    • C02F3/301C02F3/108C02F3/302C02F3/348C02F2101/16C02F2209/22Y02W10/15
    • A nitrification carrier having made nitrifying bacteria dominant therein and a denitrification carrier having made anaerobic ammonium-oxidizing bacteria dominant therein are mixed in a treatment tank. Both of a nitrification reaction with the nitrification carrier and a denitrification reaction with denitrification carrier are allowed to proceed in the treatment tank to decompose ammonium nitrogen in wastewater to nitrogen gas. The ratio of the bacterial loads of the nitrifying bacteria and the anaerobic ammonium-oxidizing bacteria can be easily controlled by immobilizing the nitrifying bacteria and the anaerobic ammonium-oxidizing bacteria on different carriers from each other (nitrification carrier and denitrification carrier) and by controlling the volume ratio (ratio of the feeding amounts) of the nitrification carrier and the denitrification carrier.
    • 使硝化细菌占主导地位的硝化载体和其中具有优势的厌氧氨氧化细菌的脱氮载体混合在处理槽中。 硝化载体的硝化反应和反硝化载体的脱氮反应均在处理槽中进行,将废水中的氮铵分解成氮气。 通过将硝化细菌和厌氧氨氧化菌固定在不同的载体上(硝化载体和脱氮载体),通过控制硝化细菌和厌氧氨氧化细菌的细菌负荷比例,可以容易地控制 硝化载体和脱氮载体的体积比(进料量的比例)。
    • 6. 发明申请
    • WASTEWATER TREATMENT METHOD AND WASTEWATER TREATMENT APPARATUS
    • 废水处理方法和废水处理装置
    • US20100230348A1
    • 2010-09-16
    • US12720731
    • 2010-03-10
    • Kazuichi ISAKAYuya KimuraTatsuo Sumino
    • Kazuichi ISAKAYuya KimuraTatsuo Sumino
    • C02F3/30C02F101/16
    • C02F3/302C02F3/006C02F3/108C02F3/348C02F2101/16Y02W10/15
    • An aspect of the present invention provides a wastewater treatment method for treating wastewater containing ammonium nitrogen, including the steps of: oxidizing the ammonium nitrogen in the wastewater to nitrite with nitrifying bacteria in a treatment tank in which the nitrifying bacteria and anaerobic ammonium-oxidizing bacteria having a half-saturation constant of 6.1 mgN/L or more with respect to nitrite coexist; and denitrifying the nitrite formed through the oxidation of the ammonium nitrogen, with the anaerobic ammonium-oxidizing bacteria in the treatment tank, while using the ammonium nitrogen contained in the wastewater as a hydrogen donor. The method employs the anaerobic ammonium-oxidizing bacteria that can maintain the denitrification activity even under a condition in which the amount of dissolved oxygen is large, consequently can easily maintain the activities of both of the nitrifying bacteria and the anaerobic ammonium-oxidizing bacteria which coexist in the same treatment tank, and can rapidly perform wastewater treatment.
    • 本发明的一个方面提供了一种用于处理含有铵态氮的废水的废水处理方法,包括以下步骤:在硝化细菌和厌氧氨氧化细菌的处理槽中,将硝化细菌在废水中氧化成亚硝酸盐 相对于亚硝酸盐的半饱和常数为6.1mgN / L以上并存; 并且在处理槽中与厌氧氨氧化细菌一起使氮气氧化形成的亚硝酸盐反硝化,同时使用废水中所含的铵态氮作为氢供体。 该方法采用厌氧氨氧化细菌,即使在溶解氧量大的条件下也能维持反硝化活性,因此可以容易地维持共存的硝化细菌和厌氧性铵氧化细菌的活性 在同一处理槽中,可以快速进行废水处理。