4. physical-chemical processes (process physical-chemical).It is a process that requires more than the aid process, this process will be used in the final steps in the wastewater treatment process in the different steps of the process, as well as the following: 4.1 absorbing charcoal (carbon adsorption) method of coal powder or carbon is used as an absorbent substance. Mix dissolved in wastewater 4.2 the charge exchange method relies on the principle of charging for the exchange between the contaminants in waste water. With that package, which contains both the prachubuak and remove the conveyor within.
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