| abstract |
The invention discloses a kind of gypsum stack percolation liquid treating systems.The gypsum stack percolation liquid treating system includes in-situ treatment pond, the first biological treatment tank, the second biological treatment tank and the aerator of successively sequential communication；Filter plate in situ is equipped in in-situ treatment pond, filter plate in situ includes the first coarse filtration layer, the second coarse filtration layer and the first conversion zone, first coarse filtration layer and the second coarse filtration layer, the first conversion zone are mixed by 40-50 parts of lime stone, 15-20 parts of kaolinite, 1-5 parts of chlorite, 1-5 parts of quartz sand and 5-7 parts of calcium hydroxide；It is equipped with the first biological filter plate in first biological treatment tank, has nitrobacteria strain on the first biological filter plate；Aerator is connected to the first biological treatment tank；The second biological filter plate is equipped in second biological treatment tank, the second biological filter plate is equipped with multiple second filter openings, has denitrifying bacteria strain on the second biological filter plate.The percolation liquid treating system treatment effeciency is high. |