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    • 5. 发明授权
    • Method of biological wastewater treatment
    • 生物废水处理方法
    • EP2808305B1
    • 2018-01-03
    • EP14162523.6
    • 2014-03-31
    • Slusarczyk, Jerzy
    • Slusarczyk, Jerzy
    • C02F3/12C02F3/30
    • C02F3/302C02F3/308C02F2101/105C02F2101/16C02F2209/22C02F2209/44C02F2301/046
    • A method of biological wastewater treatment, wherein a biological reactor comprising an anaerobic zone ( B ), an anoxic zone ( A ) and an aerobic zone ( T ), sequentially connected to each other, is used, wherein raw wastewater is brought to the anaerobic zone located at the beginning of the said zone sequence of the reactor, or in part or in its entirety to the zone preceding it, then, the wastewater is directed to the anoxic zone ( A ) and eventually to the aerobic zone (T), afterwards, in the process of internal recirculation, a part of the content of the aerobic zone (T) is returned to the anoxic zone ( A ) , and the rest of the wastewater from the aerobic zone (T) is directed together with the sludge, directly or through additional zones, to a secondary settling tank where the treated wastewater is separated from the sludge which sediments on the bottom of the secondary settling tank, and the treated wastewater and excess sludge located on the bottom of the secondary settling tank are discharged outside the secondary settling tank, and the rest of the sludge accumulated in the secondary settling tank is recycled to the anaerobic zone (B) directly or via the anoxic zone ( A ) in the process of external recirculation. In this method, between the anoxic zone ( A ) and the aerobic zone (T), a medium-aerobic zone (S) is maintained, where residence time of wastewater is selected from 2.0 to 8.0 hours, and oxygen concentration is maintained in the range of 0.6 to 1.3 mg of O 2 /litre.
    • 10. 发明公开
    • COMPOSITION, SUPPORT, WASTEWATER TREATMENT SYSTEM, WASTEWATER TREATING METHOD, DEODORIZATION METHOD, AND BATCH WASTEWATER TREATING METHOD
    • 组合物,载体,废水处理系统,废水处理方法,除臭方法和分批处理废水处理方法
    • EP3187579A1
    • 2017-07-05
    • EP15835441.5
    • 2015-08-25
    • Japan Environmental Science Company
    • TAKAYA, Makoto
    • C12N1/20A61L9/01
    • A61L9/01C02F1/008C02F1/5263C02F1/74C02F3/341C02F3/343C02F9/00C02F2101/32C02F2103/06C02F2103/10C02F2103/32C02F2209/40C02F2209/44C12N1/20
    • Provided are a composition containing as active ingredients thereof Bacillus subtilis strain BN1001 (deposit number: FERM P-11132) and Bacillus subtilis var. natto, a wastewater treatment system provided with a biological treatment tank that biologically treats wastewater wherein the Bacillus subtilis strain BN1001 and Bacillus subtilis var. natto are contained in the biological treatment tank, a wastewater treating method that biologically treats wastewater comprising a step for adding the Bacillus subtilis strain BN1001 and Bacillus subtilis var. natto to the wastewater, a deodorization method comprising a step for contacting the Bacillus subtilis strain BN1001 and Bacillus subtilis var. natto with a malodorous source, a support having Bacillus subtilis and Bacillus subtilis var. natto supported thereon, a wastewater treatment system wherein the support is contained in a biological treatment tank, a wastewater treating method comprising a step for adding the support to wastewater, and a batch water treating method wherein the support is contained in a biological treatment tank.
    • 本发明提供含有枯草芽孢杆菌菌株BN1001(保藏号:FERM P-11132)和枯草芽孢杆菌变种Bacillus subtilis var。 纳豆是一种废水处理系统,配备生物处理池,用于生物处理废水,其中枯草芽孢杆菌菌株BN1001和枯草芽孢杆菌变种Bacillus subtilis var。 纳豆被包含在生物处理槽中,生物处理废水的废水处理方法,其包括添加枯草芽孢杆菌菌株BN1001和枯草芽孢杆菌变种的步骤。 纳豆与废水接触的脱臭方法,包括使枯草芽孢杆菌菌株BN1001和枯草芽孢杆菌变种Bacillus subtilis var。 具有恶臭来源的纳豆,具有枯草芽孢杆菌和枯草芽孢杆菌变种的支持物。 其中载体包含在生物处理槽中的废水处理系统,包括将载体添加到废水中的步骤的废水处理方法,以及其中载体包含在生物处理槽中的分批水处理方法。