TECHNOLOGY FOCUS - MECHANICAL ENGINEERING - Preferred Component: The anode waste gas port is the supply of regeneration gas. The removal apparatus further comprises a water vapor introducing mechanism for introducing water vapor into a gas stream; and a third vessel having a gas stream inlet in fluid communication with the outlet of the second vessel and a spaced apart gas stream outlet. The water vapor introducing mechanism is in fluid communication with the gas stream outlet of the first vessel. The third vessel contains a solid bed of sorbent for hydrogen sulfide positioned such that a gas stream passing from the inlet to the outlet passes through the bed.    TECHNOLOGY FOCUS - CHEMICAL ENGINEERING - Preferred Process: The hydrogen-containing stream is fed to the fuel cell. The anode waste gas (312) is withdrawn from the fuel cell. The sorption and desorption is by water displacement. The organosulfur-containing purge is subjected to further sulfur removal prior to combustion. The further sulfur removal comprises hydrodesulfurization to convert organosulfur compounds to hydrogen sulfide, and reactive sorption to sorb hydrogen sulfide. The removal process may comprise contacting the stream under sorption conditions including less than 50 degrees C with the solid sorbent tolerant of water and capable of sorbing organosulfur compound for a time to remove at least 70 mole% of the organosulfur compounds but less than 50% of the CXS, to provide a CXS-containing effluent; adding water to the CXS-containing stream to provide 5-100 moles of water per mole of CXS; contacting the water-containing stream under hydrolysis conditions including 25-200 degrees C with hydrolysis catalyst for a time to hydrolyze at least 70% of the CXS to hydrogen sulfide and carbon dioxide to produce a hydrogen sulfide-containing stream having reduced CXS content; and contacting the stream having reduced CXS content with the solid sorbent capable of sorbing hydrogen sulfide. The contacting step is under sorption conditions for a time to sorb at least 70% of the hydrogen sulfide.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The regeneration gas comprises oxygen-containing gas. The regeneration gas comprises a portion of the anode waste gas, and water vapor. The sorbent comprises hydrophobic molecular sieve, or molecular sieve ions with one or more transition metals. The hydrolysis catalyst comprises alumina, titania or zirconia having a surface area of at least 100 m2/g (Brunauer-Emmett-Teller). The hydrogen sulfide sorbent comprises zinc hydroxycarbonate, zinc oxide, iron oxide, iron hydroxycarbonate or copper oxide or nickel on alumina.