杭州医药废水怎么处理

BODCOD/CODBOD/CODCODCl02(Fe)Fe=Fe2++2eE=-0.44V(C)2H++2e=H2E=0.00VO2+4H++4e=2H2OE=1.23VO2+2H2O+4e=4OH-E=0.40V()(1)(2)(3)(4)(5)(6)pHPHUASBBOD90%COD70%90%