| 摘要 |
A method of treating industry wastewater containing a nitrogen having a high concentration is provided to reduce a nitrogen category ejected to a water-base and to cutting down a budget required to the advanced treatment improvement of waste water processing facilities by reducing the nitrogen amount flown into the waste water processing facilities by securing a processing capability of the discharging facilities. An NH4-N is separated from an effluent passing through the coagulation sedimentation pre-process in the zeolite adhesion bath(1). The effluent in which the ammonia is separated through a zeolite adsorption process of the zeolite adhesion bath is transferred an SBR(3) and an organic compound is removed. The remained NH4-N is discharged after the remained NH4-N is passed through a nitrification and a de-nitrogen process. An NH4-N-absorbed water which is attached and detached by transferring the effluent at the SBR and a nitrification tank(2) the same time is converted into NO3-N by nitrification microorganism. The effluent of which the nitrification is finished is transferred to a sulfation denitrification tank(4) in the nitrification tank, the S2- S0, and S2O32- of sulfide are oxidized to SO4- by the sulfation microorganism, returned to the zeolite adhesion bath, and circulated to feedwater necessary for regenerating zeolite. |
