POLLUTED OIL TREATMENT METHOD

PROBLEM TO BE SOLVED: To selectively and effectively adsorb and separate an organic pollutant present in waste oil within the maximum range of about several thousand ppm and high in the affinity with oil. SOLUTION: A technique for removing the organic pollutant in waste oil comprises a process for s...

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Hauptverfasser:	MAEZAWA YUKISHIGE, KON MASAO, NAKAJO KATSUHIKO, MURAMATSU TAKEHIKO, TODOROKI TOMOHIRO, OBARA ATSUSHI, NISHIZAWA KATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To selectively and effectively adsorb and separate an organic pollutant present in waste oil within the maximum range of about several thousand ppm and high in the affinity with oil. SOLUTION: A technique for removing the organic pollutant in waste oil comprises a process for selectively adsorbing and separating the organic pollutant in waste oil, by continuously bringing polluted oil containing a very small amount of the organic pollutant into contact with an adsorbent (according to circumstances, one or more times). In this technique, a porous adsorbent having an aprotic polar solvent held thereto is used as the adsorbent. Further, an adsorbent obtained by supporting fine particles of a noble metal on the surface of a porous body may be used as the adsorbent. COPYRIGHT: (C)2003,JPO