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Method and installation for processing manure, fermented manure and kjeldahl-n containing waste water
Method and installation for processing manure, fermented manure and kjeldahl-n containing waste water
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机译:处理肥料,发酵肥料和凯氏定氮废水的方法和装置
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摘要
The invention relates to a method for processing manure, fermented liquid manure being subjected to nitrification in a first step and to denitrification in a subsequent step, an aerated reactor which contains active sludge rich in nitrifying bacteria being used in the nitrification step and acid-neutralizing chemicals being added to said reactor if necessary and a continuously fed upflow slib bed (USB) reactor which contains a very compact biomass which is capable of converting nitrate to nitrogen gas and to which an organic substrate is added being used in the denitrification step, the loading of the reactor being controlled to obtain an optimum nitrification and denitrification and this is obtained on the basis of one or more of the following data: - the incoming nitrogen load; - the information from the WAZU respiration meter; - the pH in the nitrification reactor, the criterion for which is that the pH is in the range limited by 6 and 8.5; - the temperature in both the nitrification reactor and the denitrification reactor is kept below 40 DEG C; - the concentration of oxidized nitrogen in the influent for the denitrification reactor, the criterion for which is that the concentration is between 0 and 4 g N/l; - the concentration of oxidized nitrogen in the nitrification reactor, the criterion for which in the sludge/liquid mixture in the reactor is that the concentration is between 0 and 4 g N/l; - the concentration of the carbon source in the effluent from the denitrification reactor; - the gas production in the denitrification reactor. The invention further relates to an apparatus for performing this method comprising at least one WAZU respirator meter.
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机译:本发明涉及一种处理肥料的方法,首先对发酵的液体肥料进行硝化,然后在随后的步骤中进行反硝化,在硝化步骤中使用含有富含硝化细菌的活性污泥的曝气反应器并进行酸中和。如果需要,将化学药品添加到所述反应器中,并在反硝化步骤中使用连续进料的上流式浮床(USB)反应器,该反应器包含非常紧凑的生物质,该生物质能够将硝酸盐转化为氮气,并向其中添加有机底物。控制反应器的负荷以获得最佳的硝化和反硝化作用,这是基于以下一项或多项数据获得的:-进入的氮负荷; -来自WAZU呼吸仪的信息; -硝化反应器中的pH,其标准是pH在6和8.5限制的范围内; -硝化反应器和反硝化反应器中的温度均保持在40℃以下; -用于反硝化反应器的进水中氧化氮的浓度,其标准是该浓度在0到4 g N / l之间; -硝化反应器中氧化氮的浓度,反应器中污泥/液体混合物中氧化氮的浓度标准为0至4 g N / l; -脱氮反应器流出物中碳源的浓度; -脱氮反应器中的气体生产。本发明还涉及一种用于执行该方法的设备,该设备包括至少一个WAZU呼吸仪。
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