METHOD FOR TREATING WATER-SOLUBLE CUTTING WASTE LIQUID

PROBLEM TO BE SOLVED: To provide a method capable of advantageously collecting a water-glycol based cutting medium by effectively removing odor components of water-soluble cutting waste liquid in a regeneration treatment of the cutting waste liquid discharged in a cutting or cut-off process of a bri...

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Bibliographische Detailangaben
Hauptverfasser: NAKAMURA MIWAKO, IMAI TAKAKAZU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method capable of advantageously collecting a water-glycol based cutting medium by effectively removing odor components of water-soluble cutting waste liquid in a regeneration treatment of the cutting waste liquid discharged in a cutting or cut-off process of a brittle material using the cutting medium.SOLUTION: In regeneration treatment of the water-soluble cutting waste liquid discharged in cutting or cut-off process of the brittle material that uses the water-glycol based cutting medium, the odor of the cutting waste liquid or filtered liquid is removed by adding ammonia derivatives directly to the water-soluble cutting waste liquid or to the filtered liquid that is produced from a solid-liquid separation process of the water-soluble cutting waste liquid, and reacting the ammonia derivatives on the odor components to be found in the cutting waste liquid or the filtered liquid.