Patent ID: 9115015
Filing Date: 2015-08-25
Classification: B01J,C02F

Abstract:
1. An advanced treatment method for water by combination of zinc and ozone, comprising the steps of: placing metal consisting essentially of a piece or pieces of unsupported zinc metal into an ozone contact reactor; and introducing water subject to treatment into the ozone contact reactor at a flow rate of 1˜50 m/h while at the same time introducing ozone into the water subject to treatment so that the ozone, the metal zinc and the water subject to treatment are contacted adequately, wherein a hydraulic retention time of the water subject to treatment in the ozone contact reactor is 1˜200 min and an amount of the ozone which is introduced into the water subject to treatment is 0.1-100 mg per liter of the water subject to treatment, wherein the treated water is essentially free of zinc ions caused by said advanced treatment method for water.