Process for recovery of synthetic resin substrate and pressured type cleaning apparatus used thereof

The present invention relates to a method of removing a layer of material from a synthetic resin or an organic add ester of cellulose comprising: washing the layer from the substrate with an aqueous alkali solution having a temperature of at least 105 DEG C, and then washing the alkali solution from...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKAZAWA, AKIRA+, YAMAGUCHI, MASATOSHI, KISHI, KYOICHI, KIKUKAWA, TAKAHITO, TUYUKI, YOSHIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a method of removing a layer of material from a synthetic resin or an organic add ester of cellulose comprising: washing the layer from the substrate with an aqueous alkali solution having a temperature of at least 105 DEG C, and then washing the alkali solution from the substrate. Furthermore, the present invention relates to a pressure vessel comprising a longitudinal cylindrical body having a circular cross-section, an end plate connected to the top of the cylindrical body and an inverted end plate connected to the lower part of the cylindrical body in a manner such that its convex part faces upwards wherein the pressure vessel has a strainer plate and a stirring blade inside the cylindrical body.