System and method for integrated adsorptive gas separation of combustion gases

A method of operating an integrated gas separation system comprising:

• (a) operating a fuel combustor to produce a combustion gas mixture comprising a carbon dioxide component;
• (b) admitting said combustion gas mixture into a gas separator;
• (c) separating at least a portion of said carbon dioxide component from said combustion gas mixture;
• (d) recovering a first product gas depleted in said carbon dioxide component relative to said combustion gas mixture from said gas separator;
• (e) recovering a recycle stream containing at least a portion of said carbon dioxide component from said gas separator;
• and
• (f) admitting at least a portion of said recycle stream recovered from said gas separator into said fuel combustor,
• wherein said operating said fuel combustor further comprising at least one of:
• i) reducing a temperature of an inlet mixture admitted into the fuel combustor relative to the temperature of the inlet mixture without step (f);
• ii) reducing a mass inlet flow of an oxidant of said fuel combustor relative to a mass inlet flow of an oxidant of said fuel combustor without step (f);
• iii) increasing a fuel firing rate of said fuel combustor relative to said fuel firing rate of said fuel combustor without step (f);
• iv) lowering an adiabatic flame temperature of said fuel combustor relative to said adiabatic flame temperature of said fuel combustor without step (f);
• v) increasing a heat capacity of said combustion gas mixture relative to said heat capacity of said combustion gas mixture without step (f);
• v) increase a radiant heat transfer capacity of the combustion gas mixture relative to the radiant heat transfer capacity of the combustion gas mixture without step (f);
• vi) admitting a water component into an inlet mixture of the fuel combustor;
• vii) reducing a nitrogen oxide production of the fuel combustor relative to the nitrogen oxide production of the fuel combustor without step (f);
• and
• viii) reducing a nitrogen oxide component in the combustion gas mixture relative to the quantity of nitrogen oxide component in the combustion gas mixture without step (f).