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首页> 外文期刊>Journal of material cycles and waste management >Optimization of the food waste water incineration with respect to CO and NOx emission characteristics
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Optimization of the food waste water incineration with respect to CO and NOx emission characteristics

机译：从CO和NOx排放特性方面优化食品废水焚烧

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The incineration of food waste water in conjunction with the domestic waste is getting attention as a food waste water treatment method, due to its low treatment cost and high efficiency. Many studies verified that the ammonia in the food waste water served as a reducing agent to suppress the generation of NOx when the food waste water was injected and incinerated. However, they have not revealed the correlation between the change in the concentration of the CO and NOx by the influence of the solid matters contained in the food waste water on the incineration of the wastes. The purpose of this study is to determine the optimum amount of the food waste water injected through four nozzles in the primary and secondary incineration chambers and to assess the correlation between the concentration of CO and NOx in accordance with the food waste water injection in each chamber of the incinerator. For the study, four food waste water injection nozzles were installed; two (A and B) at the top of the primary incineration chamber and the other two (C and D) in the secondary incineration chamber. The correlation between the change in the concentration of CO and NOx was studied adjusting the amount of the food waste water injected through the nozzles. From the result, Case II showed the concentration of CO and NOx as 1.8-10 and 14-26 ppm, respectively, while Case I showed that of CO and NOx as 15-30 and 9-18 ppm, respectively. Those levels are well below the Korean emission criteria, 50 ppm for CO and 80 ppm for NOx. Based on the results, it is evident there is a certain trade-off between emission of CO and NOx, and Case II which has relatively low concentration of CO is easier and cheaper to control.
机译：食品废水与生活垃圾一起焚化作为一种​​食品废水处理方法，因其处理成本低，效率高而受到关注。许多研究证实，当注入和焚化食物废水时，食物废水中的氨可以作为还原剂来抑制NOx的产生。但是，他们还没有揭示出食物废水中所含固体物质对废物焚化的影响，CO和NOx浓度变化之间的相关性。这项研究的目的是确定通过一级和二级焚化室中的四个喷嘴注入的食物废水的最佳量，并根据每个室中注入的食物废水评估CO和NOx浓度之间的相关性焚化炉。为了进行研究，安装了四个食物废水注水喷嘴。主焚化炉顶部有两个（A和B），辅助焚化炉顶部有两个（C和D）。研究了CO和NOx浓度变化之间的相关性，以调节通过喷嘴注入的食物废水的量。从结果可以看出，案例II显示CO和NOx的浓度分别为1.8-10和14-26 ppm，而案例I显示CO和NOx的浓度分别为15-30和9-18 ppm。这些水平远低于韩国的排放标准，CO为50 ppm，NOx为80 ppm。根据结果​​，很明显，在CO和NOx的排放之间存在一定的权衡，而具有较低CO浓度的情况II则更容易控制且成本更低。

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