title: Space-based bacterial production of hydrogen.
abstract: This paper deals with the electrochemical production of hydrogen by depolarizing the oxygen evolution reaction using human feces and urine, which contains 30-40% bacteria and yeast.  The electroactivity of graphite, tungsten carbide, perovskite and RuO2-coated Ebonex (Ti4O7) as anode materials are compared.  The scale-up of the process in a laboratory-scale three-dimensional packed bed cell is discussed.
authors.affiliation: Department of Chemistry, Texas A&M University, College Station 77843, USA.
authors.forename: C L
authors.initials: CL
authors.lastname: Tennakoon
authors.forename: R C
authors.initials: RC
authors.lastname: Bhardwaj
authors.forename: J O
authors.initials: JO
authors.lastname: Bockris
mesh_terms: D001419:Bacteria / Q000302:isolation & purification / Q000378:metabolism*; D018504:Ecological Systems, Closed; D004563:Electrochemistry / Q000379:methods; D004572:Electrolysis; D005243:Feces / Q000382:microbiology; D006108:Graphite; D006801:Humans; D006859:Hydrogen / Q000737:chemistry / Q000378:metabolism*; D008021:Life Support Systems / Q000295:instrumentation*; D017975:Ruthenium Compounds; D013026:Space Flight / Q000295:instrumentation; D017973:Tungsten Compounds; D014556:Urine / Q000382:microbiology; D018505:Waste Management / Q000191:economics / Q000379:methods*; D015003:Yeasts / Q000378:metabolism*
chemical_list: D017975:Ruthenium Compounds; D017973:Tungsten Compounds; C002802:tungsten carbide; D006108:Graphite; D006859:Hydrogen