Hazardous waste refers to unused items that can harm physical or environmental health. Therefore, they are collectively referred to as hazardous waste, and there is a specialized inventory of related products. Therefore, is the filter membrane of ultra pure water equipment hazardous waste? Below, Jiajie will provide a detailed introduction for everyone.

The filter membrane of ultra pure water equipment is not a hazardous waste because it has not been included in China's hazardous waste list, so it cannot be considered a hazardous waste. However, if the wastewater being treated contains excessive heavy metals or organic compound components, and the waste membrane is contaminated with this chemical substance, it can become hazardous waste (which can be evaluated through leaching experiments).

The applied filter membrane should not be classified as hazardous waste, but rather as general waste. It is crucial to record operational data information normally and standardize the characteristics of the system, in order to quickly detect whether the system software has suffered from environmental pollution. This includes appropriate calibration of all instrument panels. On site, it is also possible to distinguish whether environmental pollution has occurred from the following symptoms: 1. Under standardized work pressure, the water production rate decreases, or in order to better achieve the water production rate of the design scheme, it is necessary to increase the operational work pressure; 2. The pressure difference between seepage and concentrated water increases; 3. Net weight increase of membrane components; 4. The desalination rate of the membrane should be significantly increased or decreased; 5. There is a significant color change in the inner holes of membrane components, either crystalline substances, viscous chemicals, or strong odors.

Distinguishing the environmental pollution status of the filter membrane of ultra pure water equipment: 1. Check whether the shell of the membrane components of the ultra pure water equipment is intact and undamaged. If water hammer or blockage of the membrane components is found in some system software, it will cause the pressure difference between the water seepage end and the concentrated water end of the membrane components to increase, causing the fiberglass shell of the membrane components to crack. 2. Check if there is any dirt in the inner hole of the membrane components of the ultra pure water equipment at the water seepage end, such as large fine particles, activated carbon fine particles, etc. If there is dirt at the seepage end, it indicates that the removal of fine particles by the preparatory treatment cannot meet the seepage regulations of the RO reverse osmosis system software. In this case, the SDI value must be tested and the multimedia filter must be checked and replaced at the same time.

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