Liquefaction of hydrogen chloride

Claim 1

IN A SYSTEM FOR STORING AND SUPPLYING SUBSTANTIALLY ANHYDROUS HYDROGEN CHLORIDE GAS, THE METHOD WHICH COMPRISES: WITHDRAWING GASEOUS SUBSTANTIALLY ANHYDROUS HYDROGEN CHLORIDE FROM MAIN SUPPLY LINE MEANS INTO A RESERVE ANHYDROUS HYDROGEN CHLORIDE STORAGE MEANS HAVING GAS COMPRESSOR MEANS HAVING INLET MEANS IN COMMUNICATION WITH SAID MAIN SUPPLY LINE MEANS, HEAT EXCHANGER MEANS HAVING OUTLET MEANS IN SUBSTANTIALLY DIRECT COMMUNICATION WITH SAID INLET MEANS OF SAID COMPRESSOR MEANS THROUGH PRESSURE-CONTROLLED BYPASS MEANS, LIQUEFIER MEANS HAVING PRESSURE-CONTROLLED VENT GAS MEANS, STORAGE TANK MEANS, AND EVAPORATOR MEANS HAVING PRESSURE-CONTROLLED OUTLET MEANS IN COMMUNICATION WITH SAID MAIN SUPPLY LINE MEANS, COMPRESSING SAID GAS TO A PRESSURE OF AT LEAST ABOUT 228 P.S.I. ABSOULTE IN SAID COMPRESSOR MEANS, COOLING THE COMPRESSED GAS BY PASSING IT THROUGH SAID HEAT EXCHANGER MEANS, PASSING THE COOLED COMPRESSED GAS TO THE SAID LIQUEFIER MEANS FOR LIQUEFACTION WHILE BYPASSING EXCESS HYDROGEN CHLORIDE GAS TO THE INLET SIDE OF SAID COMPRESSOR MEANS THROUGH THE SAID PRESSURE-CONTROLLED BYPASS MEANS, LIQUEFYING THE COMPRESSED GAS AT A TEMPERATURE BETWEEN ABOUT 90 DEGREES FAHRENHEIT AND ABOUT ZERO DEGREES FAHRENHEIT IN THE SAID LIQUFIER MEANS, WHILE VENTING GASES WHICH WILL NOT CONDENSE AT THE OPERATING CONDITIONS OF THE LIQUEFIER THROUGH THE SAID PRESSURE-CONTROLLED VENT-GAS MEANS, COLLECTING AND STORING THE LIQUEFIED HYDROGEN CHLORIDE IN SAID STORAGE TANK MEANS, AND WITHDRAWING AND EVAPORATING OFF LIQUEFIED HYDROGEN CHLORIDE AND RETURNING IT TO SAID MAIN SUPPLY LINE MEANS THROUGH SAID PRESSURE-CONTROLLED OUTLET MEANS AS IT IS NEEDED.