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讀懂COD、TDS、SS數據，低溫廢水處理設備選型不踩坑（行業心得干貨）

作者：創始人來源：http://m.dijiushangdian.cn/時間：2026-03-04

　　您做環保污水處理這么多年,能跟大家分享一下心得嗎？

　　Can you share your experience in environmental wastewater treatment with everyone after so many years?

　　這個做環保呢,尤其做這個污水處理,呃,只要掌握里面幾項,核心的基本方法,其實做起來很簡單,我們主要面對的是水,那水中呢，里面有各種那種化學成分，呃,有有機的和無機的,呃,就拿無機的來說,他一個主要是無機鹽,還有就是一些無機的氣體之類的,有機的呢，也是一樣的

　　When it comes to environmental protection, especially sewage treatment, as long as we master a few core basic methods, it's actually very simple to do. Our main challenge is water, which contains various chemical components, including organic and inorganic compounds. Take inorganic compounds as an example. One of them is mainly inorganic salts, and there are also some inorganic gases. Organic compounds are the same

　　還有些是屬于有機懸浮物,還有包括有機的固體,呃啊，有金,它還有一個,呃，物質呢,就是里面還有一些高沸點和低沸點的物質,那我們通過這些基準的數據去做一個分析,它會有一些數據指標,那我們常去了解的這個污水的數據有哪幾項呢,

　　Some of them belong to organic suspended solids, as well as organic solids, such as gold, and there are also substances with high and low boiling points inside. We can analyze them based on these benchmark data, and there will be some data indicators. So, what are the commonly known sewage data,

　　一個就是 COD ,它就是里面的表達,就是里面那個有機物的總指數,按正常講,他 COD 它只要做五是化學需氧量,但是本質上它就是體現了一個里面的有機物,有多少的這么一個關系,那剛剛說了 COD 。

　　One is COD, which is the expression inside, which is the total index of the organic matter inside. Normally, COD only needs to be five times the chemical oxygen demand, but essentially it reflects the relationship between the amount of organic matter inside. As we just mentioned, COD.

　　還有就是這個 PH 酸性,還有堿性中性,一般我們在處理污水過程中,都是需要在中性的環境下去進行處理,因為我們正常的這種飲用水,它里面是沒有什么太多的污染雜質的,那水是中中性的,然后它的呃硬度是非常非常低的,電導率也是很低的,所以，我們針對好的一個水質情況呢,然后去了解這個污水中的一些污染成分,到底有哪些物質,通過有了這些污染物質的一個判斷,我們才能找出對應的方法,那剛剛說了一個 COD ，一個 PH 。
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　　Also, the pH is acidic and alkaline neutral. Generally, when we treat wastewater, we need to treat it in a neutral environment because our normal drinking water does not have too many pollutants or impurities. The water is neutral, and its hardness and conductivity are very low. Therefore, we need to focus on a good water quality situation and understand some of the pollutants in the wastewater. By identifying these pollutants, we can find the corresponding methods. Just now, we talked about COD and pH.

　　那還需要了解什么數據,就是 TDS ,TDS 呢，代表的就是水中的一些溶解性的固體,各種鹽呀,包括溶性的糖分之類的,那還有 SS 數據,它就是水中的非溶解性的固體,它跟 TDS 它可以說是一個相對的,一個是溶解性固體,是非溶解性固體,那了解這些數據以后呢,我們有了一個基準數據,大概就知道這個水用什么樣的工藝去處理,那比如說啊，舉很簡簡單例子,這個 TD 值很低啊,在1%以下或者是5‰以下,在這種情況下,我們可以通過這個膜濃縮進行處理啊,有的這個 TTS 這個數值呢,大概是在一到5萬之間,可以通過 MVR 多項蒸發,或者是低溫蒸發濃縮都是可以的,那再高的情況下,比如說高達15%,20幾的這種含鹽量以上啊,除了用蒸發結晶的,就沒有別的工藝了,那它污水處理,它就是一個跟這個根據水質污染程度的難易度來決定的,那我們所以總結來說,做污水處理一定要把這個水質數據搞清楚啊,做污水處理做法就非常非常簡單了。

　　What other data do we need to know, that is TDS? TDS represents some dissolved solids, various salts, including soluble sugars, etc. in water. There is also SS data, which is insoluble solids in water. It can be said to be relative to TDS. One is soluble solids, which is insoluble solids. After understanding these data, we have a benchmark data and roughly know what kind of process is used to treat this water. For example, to give a simple example, the TD value is very low, below 1% or 5 ‰. In this case, we can use this membrane concentration for treatment. Some TTT... The value of S is approximately between 10000 and 50000, which can be obtained through MVR Multiple evaporation or low-temperature evaporation concentration are both possible. In cases where the salt content is higher, such as up to 15% or over 20%, there is no other process except for evaporation crystallization. Therefore, sewage treatment is determined by the difficulty level of water pollution. In summary, when doing sewage treatment, it is necessary to clarify the water quality data. The method of sewage treatment is very simple.

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