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污水處理中COD水質傳感器的應用

2024/12/25 分類:應用場景水環(huán)境監(jiān)測 1721 0

COD檢測技術：

化學需氧量COD(Chemical 0xygen Demand)是以化學方法測量水樣中需被氧化的還原性物質(通常為有機物)的氧當量。這一指標在河流污染監(jiān)測、工業(yè)廢水性質研究以及廢水處理廠的運行管理中具有重要意義，是快速評估有機物污染程度的關鍵參數(shù)。COD測量方法有化學法和物理法，化學檢測方法包含重鉻酸鹽回流法、分光光度法、快速消解法和快速消解分光光度法;物理檢測方法為紫外吸收法。

紫外吸收法不需要化學試劑，是基于水中有機物對紫外光及可見光特定波長的選擇性吸收原理，利用水樣對單色光的吸收確定有機物物質濃度，建立溶液對特定波長吸光度和COD值之間的關系。COD值的大小主要取決于其中有機物的組成和濃度，而這些有機物在254nm處都有強烈的吸收。測定污水在波長為254nm處的吸光度，通過建立的吸光度與COD濃度之間的關系換算出COD濃度值。

智易時代COD傳感器：?

圖片1.png

性能參數(shù)：

圖片2.png

為客戶解決實際問題：

圖片3.png

應用領域：

圖片4.png

標簽:在線監(jiān)測水質污染水質監(jiān)測環(huán)境監(jiān)測上一篇: 全光譜水質監(jiān)測：保障水質安全的新利器下一篇: 提升產(chǎn)業(yè)能效，構建現(xiàn)代化噪聲監(jiān)測體系

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