System and method for recovering and purifying a halocarbon composition

A halocarbon recovery and purification system for removing nitrogen gas from a halocarbon composition source comprising:

• a) a halocarbon recovery tank;
• b) inlet means connected between the halocarbon source and the recovery tank for transferring the halocarbon composition from the source into the recovery tank;
• c) cooling means for cooling the recovery tank and halocarbon composition therein to a sufficient level to separate nitrogen gas from the halocarbon composition;
• d) vent means associated with the recovery tank for venting the separated nitrogen gas from the recovery tank;
• and
• e) the vent means including a vent stream having a carbon adsorber filter therein for absorbing organic halocarbon vapor associated with the vented gas.

A halocarbon recovery and purification system for removing nitrogen gas from a halocarbon composition source comprising:

• a) a halocarbon recovery tank;
• b) inlet means connected between the halocarbon source and the recovery tank for transferring the halocarbon composition from the source into the recovery tank;
• c) cooling means for cooling the recovery tank and halocarbon composition therein to a sufficient level to separate nitrogen gas from the halocarbon composition;
• d) vent means associated with the recovery tank for venting the separated nitrogen gas from the recovery tank;
• and
• e) a ballast tank associated with the inlet means for establishing a predetermined volume for holding portions of the halocarbon composition and limiting the pressure within the inlet means.

A halocarbon recovery and purification system for removing nitrogen gas from a halocarbon composition source comprising:

• a) a halocarbon recovery tank;
• b) inlet means connected between the halocarbon source and the recovery tank for transferring the halocarbon composition from the source into the recovery tank;
• c) cooling means for cooling the recovery tank and halocarbon composition therein to a sufficient level to separate nitrogen gas from the halocarbon composition;
• d) vent means associated with the recovery tank for venting the separated nitrogen gas from the recovery tank;
• and
• e) a purge tank having a non-reactive gas therein connected to the recovery tank for selectively pressurizing the recovery tank and transferring the purified halocarbon composition within the recovery tank to a storage tank.

A halocarbon recovery and purification system for removing nitrogen gas from a halocarbon composition source comprising:

• a) a halocarbon recovery tank;
• b) inlet means connected between the halocarbon source and the recovery tank for transferring the halocarbon composition from the source into the recovery tank;
• c) cooling means for cooling the recovery tank and halocarbon composition therein to a sufficient level to separate nitrogen gas from the halocarbon composition;
• d) vent means associated with the recovery tank for venting the separated nitrogen gas from the recovery tank;
• and
• e) a vapor recovery unit disposed within the inlet means and operative to induce halocarbon vapor from the source once the pressure within the inlet means has decreased to a selected pressure level.

A halocarbon recovery and purification system for removing nitrogen gas from a halocarbon composition source comprising:

• a) a halocarbon recovery tank;
• b) inlet means connected between the halocarbon source and the recovery tank for transferring the halocarbon composition from the source into the recovery tank;
• c) cooling means for cooling the recovery tank and halocarbon composition therein to a sufficient level to separate nitrogen gas from the halocarbon composition;
• d) vent means associated with the recovery tank for venting the separated nitrogen gas from the recovery tank;
• and
• e) an expansion valve interposed between the inlet means and the recovery tank for increasing the pressure of the halocarbon composition and consequently cooling the halocarbon composition passing through the expansion valve prior to the halocarbon composition settling in the recovery tank.

A halocarbon recovery and purification system for removing nitrogen gas from a halocarbon composition source comprising:

• a) a halocarbon recovery tank;
• b) inlet means connected between the halocarbon source and the recovery tank for transferring the halocarbon composition from the source into the recovery tank;
• c) cooling means for cooling the recovery tank and halocarbon composition therein to a sufficient level to separate nitrogen gas from the halocarbon composition;
• and
• d) means for removing the separated nitrogen gas from the recovery tank, holding the separated nitrogen gas, pressurizing the separated nitrogen gas, and directing the pressurized nitrogen gas back into the recovery tank for purging and transferring the purified halocarbon composition from the recovery tank to a storage source.

A method of purifying and removing nitrogen gas from a halocarbon, comprising the steps of:

• a) directing a halocarbon composition from a source to a recovery tank;
• b) separating nitrogen gas associated with the halocarbon composition within the recovery tank by cooling the recovery tank and the halocarbon composition therein to a temperature sufficient to give rise to separation;
• c) removing the separated nitrogen gas from the recovery tank;
• d) pressurizing the separated nitrogen gas while outside the recovery tank;
• and
• e) directing the pressurized nitrogen gas back into the recovery tank and purging the purified halocarbon composition from the recovery tank.

A method of purifying and removing nitrogen gas from a halocarbon, comprising the steps of:

• a) directing a halocarbon composition from a source to a recovery tank;
• b) separating nitrogen gas associated with the halocarbon composition within the recovery tank by cooling the recovery tank and the halocarbon composition therein to a temperature sufficient to give rise to separation;
• c) venting the separated nitrogen gas from the recovery tank;
• and
• d) filtering the separated nitrogen gas by directing the same through a carbon adsorber and absorbing organic halocarbon vapor from the separated nitrogen gas.

A method of purifying and removing nitrogen gas from a halocarbon, comprising the steps of:

• a) directing a halocarbon composition from a source to a recovery tank;
• b) separating nitrogen gas associated with the halocarbon composition within the recovery tank by cooling the recovery tank and the halocarbon composition therein to a temperature sufficient to give rise to separation;
• c) venting the separated nitrogen gas from the recovery tank;
• and
• d) transferring the separated and purified halocarbon composition from the recovery tank to a storage tank by pressurizing the recovery tank with a non-reactive gas.

A method of purifying and removing nitrogen gas from a halocarbon, comprising the steps of:

• a) directing a halocarbon composition from a source to a recovery tank;
• b) pressurizing and cooling the halocarbon composition by directing the same through an expansion valve before the halocarbon composition has settled in the recovery tank;
• c) separating nitrogen gas associated with halocarbon composition within the recovery tank by cooling the recovery tank and the halocarbon composition therein to a temperature sufficient to give rise to separation;
• and
• d) venting the separated nitrogen gas from the recovery tank.

A method of purifying and removing nitrogen gas from a halocarbon, comprising the steps of:

• a) directing a halocarbon composition from a source to a recovery tank;
• b) sensing the pressure of the halocarbon composition passing from the source to the recovery tank and once that pressure has dropped to a selected pressure level inducing halocarbon vapor from the source to and through a vapor recovery unit and therefrom to the recovery tank;
• c) separating nitrogen gas associated with the halocarbon composition within the recovery tank by cooling the recovery tank and the halocarbon composition therein to a temperature sufficient to give rise to the separation;
• and
• d) venting the separation gas from the recovery tank.

A method of recovering and purifying a halocarbon composition that includes nitrogen and at least two different and distinct halocarbon compositions each having a different boiling point, comprising the steps of:

• a) directing the halocarbon composition from a source to a recovery tank;
• b) separating nitrogen gas associated with the halocarbon composition within the recovery tank by cooling the recovery tank and the halocarbon composition therein to a temperature sufficient to give rise to separation;
• c) venting the separated nitrogen gas from the tank;
• d) heating the recovery tank and the halocarbon composition therein to a temperature where the halocarbon composition having the lower boiling point actually boils and directing the boiling halocarbon composition from the recovery tank and collecting the lower boiling point halocarbon composition in a container;
• and
• e) purging the higher boiling point halocarbon composition from the recovery tank and collecting the same in a storage tank.