The Allam Cycle or Allam-Fetvedt Cycle is a process for converting carbonaceous fuels[1] into thermal energy, while capturing the generated carbon dioxide and water. This zero emissions cycle was validated at a 50 MWth natural gas fed test facility in La Porte, Texas in May 2018. This industrial plant is owned and operated by NET Power LLC, a privately held technology licensing company. NET Power is owned by Constellation Energy Corporation, Occidental Petroleum Corporation (Oxy) Low Carbon Ventures, Baker Hughes Company and 8 Rivers Capital, the company holding the patents for the technology. The key inventors behind the process are English engineer Rodney John Allam, American engineer Jeremy Eron Fetvedt, American scientist Dr. Miles R Palmer, and American businessperson and innovator G. William Brown, Jr.[2][3][4][5][6][7][8][9][10] The Allam-Fetvedt Cycle was recognized by MIT Technology Review on the 2018 list of 10 Breakthrough Technologies.[11]
^Carbonaceous fuels include natural gas, biomass, coal, municipal solid waste, and sour gas (natural gas with a high content of sulfur dioxide).
^US patent 8959887, Allam; Rodney John (Wiltshire, GB), Brown, Jr.; Glenn William (Durham, NC), Palmer; Miles R. (Chapel Hill, NC),; Brown, Jr., Glenn William & Palmer, Miles R., "System and method for high efficiency power generation using a carbon dioxide circulating working fluid", published 2015-02-24, issued 2013-11-04, assigned to Palmer Labs, LLC and 8 Rivers Capital, LLC
^US patent 8986002, Palmer; Miles R. (Chapel Hill, NC), Allam; Rodney John (Chippenham, GB), Brown, Jr.; Glenn William (Durham, NC), Fetvedt; Jeremy Eron (Raleigh, NC); Allam, Rodney John & Brown, Jr., Glenn William et al., "Apparatus for combusting a fuel at high pressure and high temperature, and associated system", published 2015-03-24, assigned to 8 Rivers Capital, LLC and Palmer Labs, LLC
^US patent 9062608, Allam; Rodney John (Wiltshire, GB), Palmer; Miles R. (Chapel Hill, NC), Brown, Jr.; Glenn William (Durham, NC); Palmer, Miles R. & Brown, Jr., Glenn William, "System and method for high efficiency power generation using a carbon dioxide circulating working fluid", published 2015-06-23, issued 2013-03-13, assigned to Palmer Labs, LLC and 8 Rivers Capital, LLC
^US patent 9068743, Palmer; Miles R. (Great Falls, VA), Allam; Rodney John (Chippenham, GB), Brown, Jr.; Glenn William (Durham, NC); Allam, Rodney John & Brown, Jr., Glenn William, "Apparatus for combusting a fuel at high pressure and high temperature, and associated system", issued 2015-03-24, assigned to 8 Rivers Capital, LLC and Palmer Labs, LLC
^US patent 9416728, Palmer; Miles R. (Great Falls, VA), Allam; Rodney John (Chippenham, GB), Brown, Jr.; Glenn William (Durham, NC); Allam, Rodney John & Brown, Jr., Glenn William, "Apparatus and method for combusting a fuel at high pressure and high temperature, and associated system and device", issued 2016-08-16, assigned to 8 Rivers Capital, LLC and Palmer Labs, LLC
^US patent 9869245, Allam; Rodney John (Wiltshire, GB), Palmer; Miles R. (Chapel Hill, NC), Brown, Jr.; Glenn William (Durham, NC); Palmer, Miles R. & Brown, Jr., Glenn William, "System and method for high efficiency power generation using a carbon dioxide circulating working fluid", published 2015-09-10, issued 2018-01-16, assigned to 8 Rivers Capital, LLC
^US patent 10018115, Palmer; Miles R. (Chapel Hill, NC), Allam; Rodney John (Chippenham, GB), Brown, Jr.; Glenn William (Durham, NC), Fetvedt; Jeremy Eron (Raleigh, NC); Allam, Rodney John & Brown, Jr., Glenn William et al., "System and method for high efficiency power generation using a carbon dioxide circulating working fluid", published 2015-03-24, assigned to 8 Rivers Capital, LLC
^US patent 10047671, Allam; Rodney John (Wiltshire, GB), Brown, Jr.; Glenn William (Durham, NC), Palmer; Miles R. (Chapel Hill, NC),; Brown, Jr., Glenn William & Palmer, Miles R., "System and method for high efficiency power generation using a carbon dioxide circulating working fluid", published 2018-08-14, issued 2015-01-23, assigned to Palmer Labs, LLC and 8 Rivers Capital, LLC
^"The Allam-Fetvedt Cycle and NET Power". 8rivers.com. Retrieved 2020-10-01.
^"2018". MIT Technology Review. Retrieved 2020-10-01.
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