System and method employing direct gasification for power generation

A power generation system comprising:

• a gasification system for generating a stream of a first gas comprising hydrogen and a stream of second gas comprising carbon monoxide based on a chemical breakdown of hydrocarbons in a melt;
• a system for producing a supply of steam by reacting one of the streams of gas;
• and
• a steam turbine for generating mechanical power by expanding the steam,
• wherein the system is configured to produce the supply of steam based on reacting hydrogen in the first gas with oxygen.

A method of separating carbon dioxide from an exhaust gas comprising the steps of:

• a gasification system for generating a stream of a first gas comprising hydrogen and a stream of second gas comprising carbon monoxide based on a chemical breakdown of hydrocarbons in a melt;
• reacting the second gas comprising CO and steam in a combustor to form an exhaust output comprising CO2 wherein the supply of the steam is based on reacting the first gas comprising hydrogen with oxygen;
• a steam turbine for generating mechanical power by expanding the steam;
• and
• feeding at least a portion of the exhaust output back into the combustor while additional CO2 is being formed in the combustor to elevate the concentration of CO2 in the exhaust output.

A power generation system comprising:

• a gasification system for generating a stream of hydrogen fuel gas and a stream of carbon monoxide fuel gas based on a chemical breakdown of hydrocarbons in a melt;
• a first combustor for producing a supply of steam by reacting the hydrogen fuel gas with oxygen;
• a second combustor for producing a supply of hot exhaust by reacting the carbon monoxide fuel gas with oxygen;
• and
• a steam turbine for generating mechanical power by expanding the steam from the first combustor and a steam generator.