PROCESS FOR RECOVERING A SOLVENT FROM A WASTE CLEANING LIQUID

PURPOSE:To provide an effective process for recovering a solvent from waster liquid which has been discharged from a step of washing an isocyanate polymer production apparatus with an organic solvent. In the present process, the waste water is distilled in the presence of water to effectively recove...

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Bibliographische Detailangaben
1. Verfasser:	OOTANI MASAO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY COMPOSITIONS BASED THEREON DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RECOVERY OF GLYCEROL RESIN SOAPS SEPARATION SOAP OR SOAP-MAKING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide an effective process for recovering a solvent from waster liquid which has been discharged from a step of washing an isocyanate polymer production apparatus with an organic solvent. In the present process, the waste water is distilled in the presence of water to effectively recover the solvent therefrom.