首页> 外国专利> METHOD FOR ANAEROBIC WATER TREATMENT, IN PARTICULAR FOR MICROBIAL NITRATE ELIMINATION FROM DRINKING WATER.

METHOD FOR ANAEROBIC WATER TREATMENT, IN PARTICULAR FOR MICROBIAL NITRATE ELIMINATION FROM DRINKING WATER.

机译:厌氧水处理的方法,尤其是从饮用水中去除微生物硝酸盐的方法。

摘要

The basis of the invention is the problem of combining, by means of a suitable process for the anaerobic treatment of water, the advantages of the vertical tube reactors having a narrow residence time spectrum with low overall height of the apparatus and low costs. The individual part-steps of the denitrification are to proceed undisturbed individually and successively. According to the invention, the raw water (1) to be treated is passed via at least two fluidised bed reactors (3) connected one after the other and in the operating state is transported, with support material overgrown by biomass, from each reactor stage into the subsequent reactor stage. This support material is passed with the water stream leaving the last reactor into a separation unit (7) from which the separated support material is returned into the first reactor stage (3a). Depending on the pressure drop DELTA p in the individual reactor stages (3), the water to be treated can be passed via reactor stages (3a, 3b ...) staggered in height. IMAGE
机译:本发明的基础是通过用于水的厌氧处理的合适方法将立管式反应器的优点合并在一起的优点,该优点具有狭窄的停留时间范围和低的装置总高度和低成本。反硝化的各个部分步骤应连续且不受干扰地进行。根据本发明,待处理的原水(1)通过至少两个彼此连接的流化床反应器(3)通过,并且在运行状态下,从每个反应器阶段运输出生物量过剩的载体材料。进入后续反应器阶段。该载体材料与水流一起离开最后一个反应器进入分离单元(7),分离出的载体材料从分离单元返回第一反应器阶段(3a)。取决于各个反应器级(3)中的压降Δp,待处理的水可以通过高度错开的反应器级(3a,3b ...)通过。 <图像>

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