Although the products produced in the current paper industry are of great help to people's lives, some of the pollution emitted is not small because strict control is implemented. How can paper wastewater be treated by paper wastewater treatment equipment?

In the process of papermaking, there is a lot of tap water, and the production of 1 ton of paper requires about 300-1000m3 of water. In the papermaking wastewater, not only does it contain a lot of papermaking raw materials (about 20% of the raw materials flow out with the wastewater), but it also contains many chemicals and other residues. Therefore, if the papermaking wastewater is discharged without treatment, it will cause huge damage to the water quality. The wastewater discharged from papermaking mainly includes the following three types: 1. The wastewater converted from the steaming of raw pulp paper (or straw pulp), also known as filter sludge. 2. The wastewater discharged from the grinding and refining machines is called grinding wastewater. 3. Paper machine wastewater, which can be immediately applied, is called clean water.

Papermaking wastewater is very harmful. Among them, bad water is very harmful. The air pollutants it contains account for more than 90% of the total output of paper making environmental pollution. Because the bad water is slightly alkaline, dark in color, heavy in odor, and rich in foam plastics, and it consumes a lot of dissolved oxygen in water, it seriously pollutes water resources, and causes harm to the natural environment and people's physical and mental health.

The concentration values of SS and COD in waste paper and papermaking wastewater are relatively high, and COD is composed of two parts: non soluble COD and soluble COD. Generally, non soluble COD accounts for the vast majority of the total COD production. When SS is removed from the wastewater, the vast majority of non soluble COD is also removed. Therefore, the key challenge in treating waste paper and papermaking wastewater is to remove SS and COD.

The BOD5 value in waste paper and papermaking wastewater is relatively low, and the ratio of BOD5 to COD is generally between 0.15 and 0.25, indicating weak biodegradability. The only way to treat concrete is to remove a portion of BOD5, and for the vast majority of BOD5 removal, biochemical methods should be used.

The integrated papermaking wastewater treatment equipment is composed of carbon steel anti-corrosion treatment or stainless steel plate prefabricated components, which are assembled on the spot. Lightweight, easy to transport, and easy to install. Using fiberglass anti-corrosion, carbon steel, and stainless steel plate anti-corrosion structures, it has high-quality characteristics such as corrosion resistance and aging resistance, with a service life of over 60 years.

All paper-making wastewater treatment equipment treatment system software is equipped with PLC automatic electrical equipment automatic control system and common machine equipment fault alarm devices, which can operate reliably. Generally, there is no need for dedicated personnel to manage methods, and only timely maintenance and upkeep of paper-making wastewater treatment equipment are required, with low costs during the period.

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