PROCESS FOR RECOVERING SOLVENT VAPOR

Solvent vapors are recovered from air by compressing the air-solvent mixt., by a water-sealed compressor(51), and passing the compressed mixt. through a 2-column absorption system(57). Different absorbents are used in the columns. The water is condensed in the 1st column(53) and returned to the comp...

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Bibliographische Detailangaben
Hauptverfasser:	TAMURA MOTOHIKO, NISHIMURA ICHIRO, UDA KAZUMI, FUJIIKE HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	Solvent vapors are recovered from air by compressing the air-solvent mixt., by a water-sealed compressor(51), and passing the compressed mixt. through a 2-column absorption system(57). Different absorbents are used in the columns. The water is condensed in the 1st column(53) and returned to the compressor. In gasolin vapor recovery, e.g., in loading tank trucks, the absorbent in the 1st column is cooled gasolin and in the 2nd column a heavy hydrocarbon oil.