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    • 94. 发明申请
    • METHOD AND PLANT FOR THE TREATMENT OF EFFLUENTS CONTAINING NITROGEN IN A SEQUENCING BATCH REACTOR
    • 用于处理在排序反应器中含有氮的液体的方法和设备
    • US20100303695A1
    • 2010-12-02
    • US12681947
    • 2008-10-06
    • Adriana Gonzalez Ospina
    • Adriana Gonzalez Ospina
    • B01D53/58B01J19/00
    • C02F3/006C02F3/301C02F3/302C02F2101/16C02F2209/001C02F2209/003C02F2209/05C02F2209/14C02F2209/22C02F2209/40Y02W10/15
    • Method for the treatment of effluents containing nitrogen in the form of ammonium, according to which: a volume of effluent to be treated in a complete cycle is introduced into the batch reactor in successive volume fractions, each volume fraction being treated during a subcycle: each subcycle comprises a phase of feeding with a volume fraction and, in an alternating manner, two treatment stages, i.e. an aerated first stage, during which complete or partial oxidation of the ammonium so as to give nitrites takes place, followed by a nonaerated second stage, during which the nitrites produced and the ammonium are converted to nitrogen gas. During the aerated first stage, the dissolved oxygen concentration in the batch reactor is maintained between 0.1 mgO2/l and 0.6 mgO2/l; the N—NO2: N—NH4 ratio is adjusted so as to be between 0.9 and 1.5 at the beginning of the nonaerated stage; and the nonaerated phase is carried out by deammonification, without the provision of carbon-based substrate.
    • 用于处理含铵形式的氮气的废水的方法,根据该方法,待处理完整循环的流出物的体积以连续的体积分数被引入间歇式反应器中,每个体积分数在亚循环期间被处理:每个 亚循环包括以体积分数进料的阶段,并且以交替方式进行两个处理阶段,即充气的第一阶段,在该阶段期间进行铵的完全或部分氧化以产生亚硝酸盐,随后进行非离子化的第二阶段 其中产生的亚硝酸盐和铵被转化为氮气。 在充气的第一阶段,间歇式反应器中的溶解氧浓度保持在0.1mgO2 / l和0.6mgO2 / l之间; N-NO2:N-NH4的比例在非离子化阶段开始时调整为0.9〜1.5; 并且通过去氨化进行非相化相,而不提供碳基底物。