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A VANADIUM OXIDE FLAKE RECOVERY METHOD FROM DIESEL OIL FLY ASH OR ORIMULSION OIL FLY ASH
A VANADIUM OXIDE FLAKE RECOVERY METHOD FROM DIESEL OIL FLY ASH OR ORIMULSION OIL FLY ASH
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机译：从柴油粉煤灰或引燃油粉煤灰中回收氧化钒鳞片的方法
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摘要
Abstract Disclosed is a method of recovering a vanadium oxide flake from diesel oil fly-ash or Orimulsion fly-ash, including the steps of leaching a mixture of diesel oil fly-ash or Orimulsion fly-ash and water in an agitation leaching bath to dissolve vanadium and nickel, subjecting the leached mixture to solid-liquid separation to obtain a leached solution, adding a neutralizing agent to the leached solution to adjust pH to 5-6 to recover vanadium tetraoxide from the leached solution, drying the recovered vanadium tetraoxide at high temperatures to remove water contained in vanadium tetraoxide, and adding a flux to the dried vanadium tetraoxide and melting vanadium tetraoxide in a melting furnace, to prepare a vanadium oxide flake.
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