Chemical oxygen demand (COD) is a direct reflection of the degree of pollution by various reducing substances, of which the amount of organic matter in industrial wastewater is greater than the content of inorganic substances, and nitrogenous organic matter is usually used to say that it is more difficult to decompose, at this time the use of potassium dichromate to oxidize suitable (it has a high oxidation rate and good reproducibility), The potassium dichromate is more suitable for monitoring the total amount of organic matter in water, but if it is natural water, or contains organic matter wastewater that is more easily oxidized, in the monitoring process, although the oxidation rate of potassium permanganate is low, it is very simple, then we use high potassium acid hair suitable. The above simply said the definition of chemical oxygen, the next is the topic of this chapter, water quality online monitoring instrument manufacturers to understand together with you chemical oxygen demand on the water environment in the end what harm?
The higher the chemical oxygen demand in the water, the more serious the pollution of the water body, and the sources of these organic pollution may be chemical plants, organic fertilizers, etc., if not treated in time, these organic matter is likely to be deposited in the bottom of the river, and at the same time, it will cause great harm to the water body, and even biological death. It will also affect the ecological balance system. If someone drinks such a water source, a large number of harmful substances will be inhaled and deposited in the human body, which will lead to abnormalities and mutations in the human body. Therefore, the water source should be tested and treated with a water quality monitor before being used.
Is it imperative to control water bodies with excessive chemical oxygen demand?
In the process of treating sewage, we must first determine the COD content in the water body, then what kind of instrument can be used to simply, quickly and accurately monitor the value we want? The monitor is an instrument designed and produced to detect the COD content in water, and there are many such products on the market today, which can quickly and directly show the cod content in water.
