REACTOR AND AGITATOR USEFUL IN A PROCESS FOR MAKING 1 CHLORO 3 3 3 TRIFLUOROPROPENE

• Main Author: COTTRELL STEPHEN A
• Format: Patent
• Language: English
• Published: 29.05.2015
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR RELEVANT APPARATUS; TRANSPORTING

Disclosed is a reactor and agitator useful in a high pressure process for making 1 chloro 3 3 3 trifluoropropene (1233zd) from the reaction of 1 1 1 3 3 pentachloropropane (240fa) and HF wherein the agitator includes one or more of the following design improvements: (a) double mechanical seals with an inert barrier fluid or a single seal; (b) ceramics on the rotating faces of the seal; (c) ceramics on the static faces of seal; (d) wetted o rings constructed of spring energized Teflon and PTFE wedge or dynamic o ring designs; and (e) wetted metal surfaces of the agitator constructed of a corrosion resistant alloy.