1.Why did others hang the film faster after adding sucrose, is the pure HDPE material already eliminated?
Answer: No, it is not. With the addition of sucrose and other additives, it is true that the film will be fast, but after a long time, the loss of sucrose will cause the early attached microorganisms to fall off. It will also cause the quality of MBBR carriers to decline, the structure to be unstable, more easily broken, and increased costs. MBBR made of pure HDPE material will last for more than 15 years.
2.Why is the aerobic pool very cloudy? I obviously increased the aeration volume!
3.After adding MBBR bio-filler, do I still need to add bio-mud?
Answer: Depending on the situation, if in the anoxic and anaerobic stages, biological mud is unavoidable and must be added. However, in the aerobic tank, if the temperature is moderate, the nitrification effect is good, and it can be omitted. If the number of bacteria is insufficient, an appropriate amount of bio-mud can be added to promote the film-hanging rate.
4.How much MBBR filler should be added? half? Or top up?
Answer: Using an aerobic tank as an example, if there is biological sludge, the amount of MBBR biological filler is 30%. If there is no biological sludge and the nitrification reaction is performed with pure MBBR material, the added amount can reach 70% or even 80%. Of course, sufficient aeration and agitation are required.
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