Abstract: A system and method for processing hydrogen is disclosed. The system may include at least one compressor adapted to compress hydrogen from the source to a storage pressure in the range of 2,000 pounds per square inch (PSI) to 10,000 pounds per square inch (PSI), and a cooling mechanism coupled to the compressor for cooling the hydrogen to a storage temperature of about liquid nitrogen temperature.

Abstract: A method and an apparatus are disclosed for detecting an occurrence of a liquid dry condition in a container containing a liquefied compressed gas while the gaseous phase of the liquefied compressed gas is being removed from the container over time. The apparatus includes a first sensor, a second sensor, and a computer, preferably a programmed logic controller (PLC). The first sensor senses temperature (T) inside the container and provides a signal indicative thereof. The second sensor senses pressure (P) inside the container and provides a signal indicative thereof. The computer receives signals from the first and second sensors, and determines the rates of change in the pressure (dP/dt) and the temperature (dT/dt) inside the container over time.

Abstract: A method and an apparatus are disclosed for detecting an occurrence of a liquid dry condition in a container containing a liquefied compressed gas while the gaseous phase of the liquefied compressed gas is being removed from the container over time. The apparatus includes a first sensor, a second sensor, and a computer, preferably a programmed logic controller (PLC). The first sensor senses temperature (T) inside the container and provides a signal indicative thereof. The second sensor senses pressure (P) inside the container and provides a signal indicative thereof. The computer receives signals from the first and second sensors, and determines the rates of change in the pressure (dP/dt) and the temperature (dT/dt) inside the container over time.

Abstract: A method and an apparatus are disclosed for detecting an occurrence of a liquid dry condition in a container containing a liquefied compressed gas while the gaseous phase of the liquefied compressed gas is being removed from the container over time. The apparatus includes a first sensor, a second sensor, and a computer, preferably a programmed logic controller (PLC). The first sensor senses temperature (T) inside the container and provides a signal indicative thereof. The second sensor senses pressure (P) inside the container and provides a signal indicative thereof. The computer receives signals from the first and second sensors, and determines the rates of change in the pressure (dP/dt) and the temperature (dT/dt) inside the container over time.

Abstract: An apparatus is disclosed for detecting an occurrence of a liquid dry condition in a container containing a liquefied compressed gas while the gaseous phase of the liquefied compressed gas is being removed from the container over time. The apparatus includes a first sensor, a second sensor, and a computer, preferably a programmed logic controller (PLC). The first sensor senses temperature (T) inside the container and provides a signal indicative thereof. The second sensor senses pressure (P) inside the container and provides a signal indicative thereof. The computer receives signals from the first and second sensors, and determines the rates of change in the pressure (dP/dt) and the temperature (dT/dt) inside the container over time.

Abstract: A method [and an apparatus are] is disclosed for detecting an occurrence of a liquid dry condition in a container containing a liquefied compressed gas while the gaseous phase of the liquefied compressed gas is being removed from the container over time. The [apparatus includes] method uses a first sensor, a second sensor, and a computer, preferably a programmed logic controller (PLC). The first sensor senses temperature (T) inside the container and provides a signal indicative thereof. The second sensor senses pressure (P) inside the container and provides a signal indicative thereof. The computer receives signals from the first and second sensors, and determines the rates of change in the pressure (dP/dt) and the temperature (dT/dt) inside the container over time.

Abstract: A control vent system is disclosed for reducing volatile impurities in a gaseous product of ultra-high purity delivered from a storage vessel containing an inventory of a non-cryogenic liquid product, as well as a method and a system for delivering the product from the storage vessel. The control vent system includes a vent line attached to the storage vessel and a condenser in the vent line. Coolant (e.g., a refrigerant) is transferred between the condenser and a source of coolant, such as a refrigeration unit. The method of reducing volatile impurities includes three steps. The first step is to vent part of the gaseous vapor from the gaseous vapor space to a condenser. The second step is to cool the vented gaseous vapor in the condenser to a temperature below the boiling point of the liquid product and above the boiling points of the volatile impurities. As a result, a first portion of the vented gaseous vapor is condensed and a second portion of the vented gaseous vapor is not condensed.