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    • 76. 发明申请
    • METHOD AND APPARATUS FOR MONITORING BIOLOGICAL ACTIVITY AND CONTROLLING AERATION IN AN ACTIVATED SLUDGE PLANT
    • 用于监测生物活性和控制活性污泥厂中的排放的方法和装置
    • US20120292251A1
    • 2012-11-22
    • US13521806
    • 2011-01-24
    • David G. Palmer
    • David G. Palmer
    • C02F3/12
    • C02F3/006C02F3/121C02F2101/16C02F2209/001C02F2209/003C02F2209/14C02F2209/22C02F2209/38Y02W10/15
    • A method and apparatus for operating an activated sludge plant having a plurality of tandem aeration zones, each receiving mixed liquor from an upstream zone or an upstream source and discharging a mixed liquor to a downstream zone or a downstream process includes a control which determines a parameter at a downstream one of the zones. The parameter is representative of a concentration of ammonia in the mixed liquor in the downstream one of the zones and may be used to control at least one upstream zone. A value of airflow to one of the zones may be determined and used to determine a demand for dissolved oxygen in the mixed liquor in that zone as a function of airflow to that zone. An elevated level of demand may be used to indicate a dump of commercial waste having a high BOD demand. A depressed level of demand may be used to indicate the presence of chemicals that inhibit bacterial respiration.
    • 一种用于操作具有多个串联曝气区的活性污泥装置的方法和装置,每个串联曝气区均接收来自上游区域或上游源的混合液体,并将混合液体排放到下游区域或下游过程中,包括确定参数 在下游的一个区域。 该参数代表下游一个区域中的混合液体中的氨浓度,并可用于控制至少一个上游区域。 可以确定与其中一个区域的气流的值,并用于确定该区域中混合液体中溶解氧的需求,作为到该区域的气流的函数。 可能会使用高水平的需求来指示具有高BOD需求的商业垃圾的倾倒。 抑制水平的需求可用于指示抑制细菌呼吸的化学物质的存在。