Abstract 1. A PROCESS FOR THE PREPARATION OF OCTANFLUOROPROPANE, WHICH COMPRISES: PASSING AN ELECTRIC CURRENT THROUGH A CURRENT-CONDUCTING LIQUID HYDROGEN FLUORIDE ELECTROLYTE CONTAINED IN A FIRST ELECTROLYSIS CELL PROVIDED WITH A CATHODE AND AN ANODE; PASSING A FIRST FEEDSTOCK COMPRISING PROPANE INTO SAID FIRST ELECTROLYSIS CELL AND INTO CONTACT WITH SAID ANODE AND FLUORINATING SAID FEEDSTOCK IN SAID FIRST ELECTROLYSIS CELL UNDER FIRST FLUORINATING CONDITIONS WHICH FAVOR THE CONVERSION OF SAID FEEDSTOCK TO PERFLUOROPROPANE INTERMEDIATES AS OPPOSED TO THE CONVERSION TO OCTAFLUOROPROPANE; WITHDRAWING FROM SAID FIRST ELECTRLYSIS CELL A FIRST EFFLUENT STREAM COMPRISING UNCOVERTED PROPANE, PERFLUOROPROPANE INTERMEDIATES, AND OCTANFLUOROPROPANE; PASSING THE FIRST EFFLUENT STREAM INTO A FIRST SEPARATION ZONE; WITHDRAWING FROM SAID FIRST SEPARATION ZONE A FIRST OVERHEAD STREAM COMPRISING ALL OF SAID UNCONVERTED PROPANE AND AT LEAST A MAJOR PORTION OF OCTAFLUOROPROPANE, AND A FIRST BOTTOMS STREAM FREE OF PROPANE AND COMPRISING AT LEAST A MAJOR PORTION OF SAID PERFLUOROPROPANE INTERMEDIATES; PASSING AN ELECTRIC CURRENT THROUGH A CURRENT-CONDUCTING LIQUID HYDROGEN FLUORIDE ELECTROLYTE CONTAINED IN A SECOND ELECTROLYSIS CELL PROVIDED WITH A CATHODE AND AND ANODE; PASSING A PROPANE-FREE SECOND FEEDSTOCK COMPRISING AT LEAST A PORTION OF SAID FIRST BOTTOMS STREAM FROM SAID FIRST SEPARATION ZONE INTO SAID SECOND ELECTROLYSIS CELL AND INTO CONTACT WITH THE ANODE OF SAID SECOND ELECTROLYSIS CELL AND FLUORINATING SAID SECOND FEEDSTOCK IN SAID SECOND ELECTROLYSIS CELL UNDER SECOND FLUORINATING CONDITIONS WHICH FAVOR THE CONVERSION OF SAID SECOND FEEDSTOCK TO OCTAFLUOROPROPANE; WITHDRAWING FROM SAID SECOND ELECTROLYSIS CELL A PROPANE-FREE SECOND EFFLUENT STREAM COMPRISING PERFLUOROPROPANE INTERMEDIATES AND OCTAFLUOROPROPANE; PASSING THE SECOND EFFLUENT STREAM TO A SECOND SEPARATION ZONE; WITHDRAWING FROM SAID SECOND SEPARATION ZONE A SECOND OVERHEAD STREAM COMPRISING AT LEAST A MAJOR PORTION OF THE OCTANFLUOROPANE CONTAINED IN SAID SECOND EFFLUENT STREAM AND A PROPANE-FREE SECOND BOTTOMS STREAM COMPRISING AT LEAST A MAJOR PORTION OF THE PERFLUOROPROPANE INTERMEDIATES CONTAINED IN SAID SECOND EFFLUENT STREAM; RETURNING AT LEAST A PORTION OF SAID FIRST OVERHEAD STREAM TO SAID FIRST ELECTROLYSIS CELL TO FORM A PORTION OF SAID FIRST FEEDSTOCK; AND RETURNING AT LEAST A PORTION OF SAID SECOND BOTTOMS STREAM TO SAID SECOND ELECTROLYIS CELL TO FORM A PORTION OF SAID SECOND FEEDSTOCK; WHEREIN SAID FIRST FLUORINATING CONDITIONS COMPRISE REPLACEMENT OF FROM 1 TO 20 PERCENT OF THE REPLACEABLE HYDROGEN OF SAID FIRST FEEDSTOCK WITH FLUORINE, AND TION OF SAID SECOND FLUORINATING CONDITIONS COMPRISE REPLACEMENT OF AT LEAST GREATER THAN 20 PERCENT OF THE REPLACEABLE HYDROGEN OF SAID SECOND FEEDSTOCK WITH FLUORINE.
A PROCESS FOR THE PREPARATION OF OCTANFLUOROPROPANE, WHICH COMPRISES: PASSING AN ELECTRIC CURRENT THROUGH A CURRENT-CONDUCTING LIQUID HYDROGEN FLUORIDE ELECTROLYTE CONTAINED IN A FIRST ELECTROLYSIS CELL PROVIDED WITH A CATHODE AND AN ANODE; PASSING A FIRST FEEDSTOCK COMPRISING PROPANE INTO SAID FIRST ELECTROLYSIS CELL AND INTO CONTACT WITH SAID ANODE AND FLUORINATING SAID FEEDSTOCK IN SAID FIRST ELECTROLYSIS CELL UNDER FIRST FLUORINATING CONDITIONS WHICH FAVOR THE CONVERSION OF SAID FEEDSTOCK TO PERFLUOROPROPANE INTERMEDIATES AS OPPOSED TO THE CONVERSION TO OCTAFLUOROPROPANE; WITHDRAWING FROM SAID FIRST ELECTRLYSIS CELL A FIRST EFFLUENT STREAM COMPRISING UNCOVERTED PROPANE, PERFLUOROPROPANE INTERMEDIATES, AND OCTANFLUOROPROPANE; PASSING THE FIRST EFFLUENT STREAM INTO A FIRST SEPARATION ZONE; WITHDRAWING FROM SAID FIRST SEPARATION ZONE A FIRST OVERHEAD STREAM COMPRISING ALL OF SAID UNCONVERTED PROPANE AND AT LEAST A MAJOR PORTION OF OCTAFLUOROPROPANE, AND A FIRST BOTTOMS STREAM FREE OF PROPANE AND COMPRISING AT LEAST A MAJOR PORTION OF SAID PERFLUOROPROPANE INTERMEDIATES; PASSING AN ELECTRIC CURRENT THROUGH A CURRENT-CONDUCTING LIQUID HYDROGEN FLUORIDE ELECTROLYTE CONTAINED IN A SECOND ELECTROLYSIS CELL PROVIDED WITH A CATHODE AND AND ANODE; PASSING A PROPANE-FREE SECOND FEEDSTOCK COMPRISING AT LEAST A PORTION OF SAID FIRST BOTTOMS STREAM FROM SAID FIRST SEPARATION ZONE INTO SAID SECOND ELECTROLYSIS CELL AND INTO CONTACT WITH THE ANODE OF SAID SECOND ELECTROLYSIS CELL AND FLUORINATING SAID SECOND FEEDSTOCK IN SAID SECOND ELECTROLYSIS CELL UNDER SECOND FLUORINATING CONDITIONS WHICH FAVOR THE CONVERSION OF SAID SECOND FEEDSTOCK TO OCTAFLUOROPROPANE; WITHDRAWING FROM SAID SECOND ELECTROLYSIS CELL A PROPANE-FREE SECOND EFFLUENT STREAM COMPRISING PERFLUOROPROPANE INTERMEDIATES AND OCTAFLUOROPROPANE; PASSING THE SECOND EFFLUENT STREAM TO A SECOND SEPARATION ZONE; WITHDRAWING FROM SAID SECOND SEPARATION ZONE A SECOND OVERHEAD STREAM COMPRISING AT LEAST A MAJOR PORTION OF THE OCTANFLUOROPANE CONTAINED IN SAID SECOND EFFLUENT STREAM AND A PROPANE-FREE SECOND BOTTOMS STREAM COMPRISING AT LEAST A MAJOR PORTION OF THE PERFLUOROPROPANE INTERMEDIATES CONTAINED IN SAID SECOND EFFLUENT STREAM; RETURNING AT LEAST A PORTION OF SAID FIRST OVERHEAD STREAM TO SAID FIRST ELECTROLYSIS CELL TO FORM A PORTION OF SAID FIRST FEEDSTOCK; AND RETURNING AT LEAST A PORTION OF SAID SECOND BOTTOMS STREAM TO SAID SECOND ELECTROLYIS CELL TO FORM A PORTION OF SAID SECOND FEEDSTOCK; WHEREIN SAID FIRST FLUORINATING CONDITIONS COMPRISE REPLACEMENT OF FROM 1 TO 20 PERCENT OF THE REPLACEABLE HYDROGEN OF SAID FIRST FEEDSTOCK WITH FLUORINE, AND TION OF SAID SECOND FLUORINATING CONDITIONS COMPRISE REPLACEMENT OF AT LEAST GREATER THAN 20 PERCENT OF THE REPLACEABLE HYDROGEN OF SAID SECOND FEEDSTOCK WITH FLUORINE.
Claim 2
Dependent Claim
403 words
A PROCESS FOR THE PREPARATION OF OCTANFLUOROPROPANE, WHICH COMPRISES: PASSING AN ELECTRIC CURRENT THROUGH A CURRENT-CONDUCTING LIQUID HYDROGEN FLUORIDE ELECTROLYTE CONTAINED IN A FIRST ELECTROLYSIS CELL PROVIDED WITH A CATHODE AND AN ANODE; PASSING A FIRST FEEDSTOCK COMPRISING PROPANE INTO SAID FIRST ELECTROLYSIS CELL AND INTO CONTACT WITH SAID ANODE AND FLUORINATING SAID FEEDSTOCK IN SAID FIRST ELECTROLYSIS CELL UNDER FIRST FLUORINATING CONDITIONS WHICH FAVOR THE CONVERSION OF SAID FEEDSTOCK TO PERFLUOROPROPANE INTERMEDIATES AS OPPOSED TO THE CONVERSION TO OCTAFLUOROPROPANE; WITHDRAWING FROM SAID FIRST ELECTRLYSIS CELL A FIRST EFFLUENT STREAM COMPRISING UNCOVERTED PROPANE, PERFLUOROPROPANE INTERMEDIATES, AND OCTANFLUOROPROPANE; PASSING THE FIRST EFFLUENT STREAM INTO A FIRST SEPARATION ZONE; WITHDRAWING FROM SAID FIRST SEPARATION ZONE A FIRST OVERHEAD STREAM COMPRISING ALL OF SAID UNCONVERTED PROPANE AND AT LEAST A MAJOR PORTION OF OCTAFLUOROPROPANE, AND A FIRST BOTTOMS STREAM FREE OF PROPANE AND COMPRISING AT LEAST A MAJOR PORTION OF SAID PERFLUOROPROPANE INTERMEDIATES; PASSING AN ELECTRIC CURRENT THROUGH A CURRENT-CONDUCTING LIQUID HYDROGEN FLUORIDE ELECTROLYTE CONTAINED IN A SECOND ELECTROLYSIS CELL PROVIDED WITH A CATHODE AND AND ANODE; PASSING A PROPANE-FREE SECOND FEEDSTOCK COMPRISING AT LEAST A PORTION OF SAID FIRST BOTTOMS STREAM FROM SAID FIRST SEPARATION ZONE INTO SAID SECOND ELECTROLYSIS CELL AND INTO CONTACT WITH THE ANODE OF SAID SECOND ELECTROLYSIS CELL AND FLUORINATING SAID SECOND FEEDSTOCK IN SAID SECOND ELECTROLYSIS CELL UNDER SECOND FLUORINATING CONDITIONS WHICH FAVOR THE CONVERSION OF SAID SECOND FEEDSTOCK TO OCTAFLUOROPROPANE; WITHDRAWING FROM SAID SECOND ELECTROLYSIS CELL A PROPANE-FREE SECOND EFFLUENT STREAM COMPRISING PERFLUOROPROPANE INTERMEDIATES AND OCTAFLUOROPROPANE; PASSING THE SECOND EFFLUENT STREAM TO A SECOND SEPARATION ZONE; WITHDRAWING FROM SAID SECOND SEPARATION ZONE A SECOND OVERHEAD STREAM COMPRISING AT LEAST A MAJOR PORTION OF THE OCTANFLUOROPANE CONTAINED IN SAID SECOND EFFLUENT STREAM AND A PROPANE-FREE SECOND BOTTOMS STREAM COMPRISING AT LEAST A MAJOR PORTION OF THE PERFLUOROPROPANE INTERMEDIATES CONTAINED IN SAID SECOND EFFLUENT STREAM; RETURNING AT LEAST A PORTION OF SAID FIRST OVERHEAD STREAM TO SAID FIRST ELECTROLYSIS CELL TO FORM A PORTION OF SAID FIRST FEEDSTOCK; AND RETURNING AT LEAST A PORTION OF SAID SECOND BOTTOMS STREAM TO SAID SECOND ELECTROLYIS CELL TO FORM A PORTION OF SAID SECOND FEEDSTOCK; WHEREIN SAID FIRST FLUORINATING CONDITIONS COMPRISE REPLACEMENT OF FROM 1 TO 20 PERCENT OF THE REPLACEABLE HYDROGEN OF SAID FIRST FEEDSTOCK WITH FLUORINE, AND TION OF SAID SECOND FLUORINATING CONDITIONS COMPRISE REPLACEMENT OF AT LEAST GREATER THAN 20 PERCENT OF THE REPLACEABLE HYDROGEN OF SAID SECOND FEEDSTOCK WITH FLUORINE.