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Underground hydrogen storage is the practice of hydrogen storage
Hydrogen storage

Hydrogen storage describes the methodologies for storing H2 for subsequent use. The methodologies span many approaches, including high pressures and cryogenics, but usually focus on chemical compounds that reversibly release H2 upon heating....
 in underground caverns, salt dome
Salt dome

A salt dome is a type of Dome formed when a thick bed of evaporite minerals found at depth intrudes vertically into surrounding rock Stratum, forming a diapir....
s and depleted oil
Oil field

An oil field is a region with an abundance of oil wells extracting petroleum from below ground. Because the oil reservoirs typically extend over a large area, possibly several hundred kilometres across, full exploitation entails multiple wells scattered across the area....
/gas fields. Large quantities of gaseous hydrogen
Hydrogen

Hydrogen is the chemical element with atomic number 1. It is represented by the chemical symbol H. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly combustion and explosive Diatomic molecule gas with the molecular formula H2....
 are stored in underground caverns by ICI
Imperial Chemical Industries

Imperial Chemical Industries is a United Kingdom Chemistry subsidiary of a Netherlands Conglomerate and one of the largest chemical producers in the world....
 since many years without any difficulties. The storage of large quantities of hydrogen underground in solution-mined salt dome
Salt dome

A salt dome is a type of Dome formed when a thick bed of evaporite minerals found at depth intrudes vertically into surrounding rock Stratum, forming a diapir....
s, aquifer
Aquifer

An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials from which groundwater can be usefully extracted using a water well....
s or excavated rock caverns or mine
Mining

Mining is the extraction of value minerals or other geology materials from the earth, usually from an ore body, vein or seam. Materials recovered by mining include base metals, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, Sodium chloride and potash....
s can function as grid energy storage
Grid energy storage

Grid energy storage is used to manage the flow of electricity in a grid . For large-scale load levelling on an interconnected electrical system, electric power generation send low value off-peak excess electricity over the electric power transmission to energy storage that become energy producers when electricity demand is greater....
 which is essential for the hydrogen economy
Hydrogen economy

The hydrogen economy is a proposed system of meeting energy needs by using hydrogen as a fuel source that could be generated from alternative fuels or other energy sources that don't give off greenhouse gases....
. The electricity needs for compressed storage on 200 bar amounts to 2.1% of the energy content
ConocoPhillips Clemens Terminal in Texas stores the hydrogen since the 80's in a solution-mined salt cavern with the cavern roof ~2800 ft underground.






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Encyclopedia


Underground hydrogen storage is the practice of hydrogen storage
Hydrogen storage

Hydrogen storage describes the methodologies for storing H2 for subsequent use. The methodologies span many approaches, including high pressures and cryogenics, but usually focus on chemical compounds that reversibly release H2 upon heating....
 in underground caverns, salt dome
Salt dome

A salt dome is a type of Dome formed when a thick bed of evaporite minerals found at depth intrudes vertically into surrounding rock Stratum, forming a diapir....
s and depleted oil
Oil field

An oil field is a region with an abundance of oil wells extracting petroleum from below ground. Because the oil reservoirs typically extend over a large area, possibly several hundred kilometres across, full exploitation entails multiple wells scattered across the area....
/gas fields. Large quantities of gaseous hydrogen
Hydrogen

Hydrogen is the chemical element with atomic number 1. It is represented by the chemical symbol H. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly combustion and explosive Diatomic molecule gas with the molecular formula H2....
 are stored in underground caverns by ICI
Imperial Chemical Industries

Imperial Chemical Industries is a United Kingdom Chemistry subsidiary of a Netherlands Conglomerate and one of the largest chemical producers in the world....
 since many years without any difficulties. The storage of large quantities of hydrogen underground in solution-mined salt dome
Salt dome

A salt dome is a type of Dome formed when a thick bed of evaporite minerals found at depth intrudes vertically into surrounding rock Stratum, forming a diapir....
s, aquifer
Aquifer

An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials from which groundwater can be usefully extracted using a water well....
s or excavated rock caverns or mine
Mining

Mining is the extraction of value minerals or other geology materials from the earth, usually from an ore body, vein or seam. Materials recovered by mining include base metals, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, Sodium chloride and potash....
s can function as grid energy storage
Grid energy storage

Grid energy storage is used to manage the flow of electricity in a grid . For large-scale load levelling on an interconnected electrical system, electric power generation send low value off-peak excess electricity over the electric power transmission to energy storage that become energy producers when electricity demand is greater....
 which is essential for the hydrogen economy
Hydrogen economy

The hydrogen economy is a proposed system of meeting energy needs by using hydrogen as a fuel source that could be generated from alternative fuels or other energy sources that don't give off greenhouse gases....
. The electricity needs for compressed storage on 200 bar amounts to 2.1% of the energy content

ConocoPhillips Clemens Terminal

The ConocoPhillips Clemens Terminal in Texas stores the hydrogen since the 80's in a solution-mined salt cavern with the cavern roof ~2800 ft underground. The cavern is a cylinder with a diameter of 160 ft, a height of 1000 ft and a usable hydrogen capacity of 1066 million standard cubic feet (MMSCF), or 2520 metric tons.

See also

  • Grid energy storage
    Grid energy storage

    Grid energy storage is used to manage the flow of electricity in a grid . For large-scale load levelling on an interconnected electrical system, electric power generation send low value off-peak excess electricity over the electric power transmission to energy storage that become energy producers when electricity demand is greater....
  • Hydrogen infrastructure
    Hydrogen infrastructure

    A hydrogen infrastructure is composed of the structural elements that provide the framework supporting the hydrogen fueling infrastructure....
  • Hydrogen economy
    Hydrogen economy

    The hydrogen economy is a proposed system of meeting energy needs by using hydrogen as a fuel source that could be generated from alternative fuels or other energy sources that don't give off greenhouse gases....
  • Turboexpander
    Turboexpander

    A turboexpander, also referred to as a turbo-expander or an expansion turbine, is a centrifugal or axial flow turbine through which a high pressure gas is expanded to produce work that is often used to drive a Gas compressor....


External links

(German)