METHOD OF DEIONISING AND CLARIFYING THE AQUEOUS MEDIUM USED IN AN ELECTRICAL DISCHARGE MACHINE AND THE PRODUCT USED IN SAID METHOD

Process for deionization and clarification of the aqueous medium (A) used in electrical discharge machines that contain a purification circuit including a phase for ion-exchange between cationic and anionic resins and the dielectric aqueous medium. Process for deionization and clarification of the a...

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Bibliographische Detailangaben
Hauptverfasser:	MARTINEZ MUGICA, FERNANDO, FERRET POZA, RAQUEL, CASTRILLO GOMEZ, KOLDOBIKA, ARANZABE GARCIA, ANA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL
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Beschreibung
Zusammenfassung:	Process for deionization and clarification of the aqueous medium (A) used in electrical discharge machines that contain a purification circuit including a phase for ion-exchange between cationic and anionic resins and the dielectric aqueous medium. Process for deionization and clarification of the aqueous medium (A) used in electrical discharge machines that contain a purification circuit including a phase for ion-exchange between cationic and anionic resins and the dielectric aqueous medium. The new feature is that the aqueous medium, having conductivity below 40 mu S/cm, is treated with a solution, in deionized/distilled water, of 0.035-0.18 M oxalic acid (I) and 1.28-2.5 M phosphoric acid (II). An independent claim is also included for the specified solution of (I) and (II).