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What is high difficult wastewater?

High difficult wastewater refers to industrial wastewater which is created during the producing process in medicine, chemical and pharmaceuticals company. It contains organic  and inorganic pollutant, which are with high concentration, complex components, unstable quality, big fluctuation range and poor biodegradability.



The treating rules for the high difficult wastewater:

1. Treat separately: classify the wastewater according to the characteristics, and treat in different stage, in this way the investing and operating cost will be reduced.
2. Physicochemical pre-treat firstly, and then treat biochemically

1. High Pollutants Removal Rate: HRE technology adapts Super RO, which is high anti-fouling, high pressure resistant. The highest operating pressure can be up to **0 bar. Salinity and COD removal rate can be more than *0%. Effluent can be discharged into environment or to the biochemical system.
2. System is reliable: Most of the pollutants has been removed during the SUPER RO stage, which shorten the SRT and make sure the yielding stability.
3. Economical: SUPER RO stage decrease multi oxidation stages in traditional technology, as well as the biochemical stage. In this way, it reduces the systems covering area. The whole investment can be *0% less than the traditional one. And the SUPER RO do not need the chemicals, so the treatment cost per ton can be *0%**0% lower than traditionals.