| 摘要 |
A method for utilization of nonstandard pesticides includes electrochemical destruction in an electrocoagulator. Utilization is carried out in two stages. At the first stage the pesticides are destructed by hydrolysis in water-alkali medium at pH 13-14. Hydrolysis of the pesticides in the commercial form of solutions or emulsions thereof is performed at the temperature of solvent boiling up to complete stripping solvent from water-alkali solution, and of pesticides in the commercial form of granules or powder - at boiling of alkali solution during half of hour. At the second stage the hydrolysate is processed in the electrocoagulator with soluble iron electrodes at pH 9-10, at saturation of electrolyte with air oxygen up to 2-6 mg/l, the products of electrocoagulation are removed by sedimentation and filtration of the alkali solution through inert filtering materials, after that the alkali solution is returned into the process. |
