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    • 2. 发明授权
    • Biological method of treating wastewater in batch with porous biomass
carrier
    • 用多孔生物质载体分批处理废水的生物方法
    • US5254254A
    • 1993-10-19
    • US790162
    • 1991-11-12
    • Hang Sik ShinHeoung S. Park
    • Hang Sik ShinHeoung S. Park
    • C02F3/06C02F3/10C02F3/12C02F3/28C02F3/30
    • C02F3/1263C02F3/06C02F3/10C02F3/2806Y02W10/15
    • An improvement in the biological method for treating wastewater is provided. The method is featured by adding to the reactor an amount of floating porous biomass carrier which can be mixed thoroughly with the wastewater to be treated. By the utilization of the carrier, the microorganisms can be retained in the reactor in a high concentration and the mass transfer can be adjusted so that various phases of microorganisms are provided within the reactor. The method is also characterized in that the reactor is operated under aerobic, anoxic and/or anaerobic conditions which are sequentially provided in an appropriate order depending on the type of pollutant to be treated. The method can remove organic substances, and nitrous and phosphorus materials effectively in a single reactor, and reduce the volume of the resultant sludge and the capital investment greatly as compared with the prior art methods.
    • 提供了处理废水的生物学方法的改进。 该方法的特征在于向反应器中加入一定量的可与待处理的废水充分混合的浮选多孔生物质载体。 通过使用载体,微生物可以以高浓度保留在反应器中,并且可以调节传质,使得在反应器内提供微生物的各个相。 该方法的特征还在于反应器在有氧,缺氧和/或厌氧条件下运行,根据待处理的污染物的类型,依次按适当的顺序提供。 该方法可以在单个反应器中有效去除有机物质和亚硝态氮物质,并且与现有技术方法相比,可大大减少生成污泥的体积和资本投入。