Iron carbon filler - sewage pretreatment technology
Weifang Puyinworun Environmental Protection Technology Co., Ltd. is a professional manufacturer of micro-electrolytic filler / iron-carbon filler with the largest scale and sales volume in China . Its processing effect, filler loss, and overcoming the knot passivation have unique advantages. It is second to none in the country and has been well received by customers.
Causes and Countermeasures for Decreasing the Effect of Micro-electrolytic Fillers
1 , water quality fluctuations
Countermeasure: Determine the best PH value and residence time according to different water quality
2 , PH adjustment
Countermeasure: Adjust the appropriate PH value, because the PH value difference of 0.5 removal effect is very different
3 , stay time
The length of residence time is also the length of redox time. The longer the residence time, the more thorough the reaction, but the long time will cause a series of problems in the subsequent treatment, so the optimal residence time should be taken.
4 , aeration
Countermeasure: Aeration is beneficial to the oxidation of certain substances and is beneficial to remove the surface passivation film. However, the excessive aeration amount affects the contact time between the water and the filler, so that the removal rate is lowered. The best value should be taken.
5 , flocculation and sedimentation
Countermeasure: The flocculation and precipitation of micro-electrolysis water is not good, not only the ferrous ions will react to COD , but also cause a series of problems in subsequent treatment.
6 , passivation
Countermeasure: Some suspended substances adhere to the surface of the filler to form a dense passivation film, so that the contact area of ​​the filler with water is reduced, the reaction time is shortened, and the treatment effect is lowered. Countermeasures: 1. Increase the amount of aeration and rinse the filler. 2. Activate the filler with acidified wastewater to restore its activity.
7 , loss
Countermeasure: The filler with lower strength will be pulverized and lost, but this phenomenon will not exist for our company's filler. Because our company's packing is a true 1050 degree high temperature sintering, its strength is 1000Kg/cm2 , enough to withstand 20 meters water column pressure. Do not break the powder during use.
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