xinchang pharmaceutical factory -爱游戏官网

zhejiang medicine co., ltd. xinchang pharmaceutical factory is a national key new & hi-tech enterprise, mainly manufacturing medicines like vitamin, antibiotics and reifamycin. sewage from this factory is very hard to be treated for its quite complex composition and more than 4% salinity.

　　its original sewage treatment amount is 1000t/d,it uses active sludge process, loading of cod is only about  1kg/(mз.d),hydraulic detention time is 10.5d。
　　influent cod：10000～15000mg/l, nh3-n:200～400mg/l；
　　effluent cod：600～1000mg/l,        nh3-n:300～500mg/l。
　　because of production expansion,now the volume of effluent required to upgrade to2000t/d above,cod loading must >2kg/(mз.d),so need for an urgent transformation。
　　transformation requirements：
　　1、dealing with water >2000t/d，influent cod load> 2kg/(mз.d)；
　　2、effluent cod:  <1000mg/l, nh3-n:200～300mg/l。

dosing the yulon suspension biological packing site photo

　　transformation at the second dosing the yl-ⅱ biologically active filler 1200 cubic,transformation to increase the fan and aeration system,setting out of the water screens.

　　after transformation, the effect of contrast (unit 1 plus filler device for the original process)