Materials for the Hydrogen Economy (2007) Episode 2 docx

... according to the reaction CO + 2 H 2 → –[CH 2 ]– + H 2 O. Fischer–Tropsch 5 024 .indb 22 11/18/07 5:44:39 PM 8 Materials for the Hydrogen Economy hydrodesulfurization (see gure 1 .2) . When gasication ... (wt%) Material (wt%) Brick Type A B C a Cr 2 O 3 90.3 87.3 81.0 Al 2 O 3 7.0 2. 5 0.4 MgO 0 .28 0. 12 17.0 ZrO 2 0.01 5 .2 NA SiO 2 0.3 0 .2 0.1 Fe +2...

Ngày tải lên: 13/08/2014, 16:21

... 20 9 10.1 .2 The Electrolyte for SOFCs 21 0 10.1 .2. 1 Requirements 21 1 10.1 .2. 2 Materials 21 1 10 .2 Fluorites: ZrO 2 , CeO 2 , and Bi 2 O 3 21 2 10 .2. 1 ZrO 2 -Based Materials 21 2 10 .2. 2 CeO 2 -Based Materials ... H2 122 H2 g/l NaBH4 10.6 wt% H2 114 H2 g/l KBH4 7.5 wt% H2 83 H2 g/l Mg(BH4 )2 14.8 wt% H2 110 H2 g/l Ca(BH4 )2 11.6 wt% H2 107 H2 g/l Zn(BH4...

Ngày tải lên: 13/08/2014, 16:21

... conductivity, 21 8-19 uorites, 21 2-16, 21 7 -20 grain size and grain boundary thickness, 22 0 -21 , 22 2 -23 perovskite, 21 6 reactions between, 21 7-19 requirements and materials, 21 0- 12 size effect ... 63, 21 2- 13, 21 4f, 21 7 -20 Zoning, gasier, 28 Zr705 C-ring specimen, 109, 111f 5 024 .indb 327 11/18/07 5:55:41 PM 326 Materials for the Hydrogen Economy...

Ngày tải lên: 13/08/2014, 16:21

... endorsement. 5 024 .indb 4 11/18/07 5:44 :22 PM 5 024 .indb 2 11/18/07 5:44:07 PM 2 Materials for the Hydrogen Economy power industries were rst developed and put into commercial service in the 1950s ... Syngas for Chemical Processing 22 1.11 Materials of Construction 23 1.11.1 Liners for Gas or Liquid Feedstock 25 1.11 .2 Liners for Solid Feedstock 27 1. 12...

Ngày tải lên: 13/08/2014, 16:21

... (see gure 2. 1) are: Anode: 2 OH – → 1 /2 O 2 + H 2 O + 2 e – (2. 1) Cathode: 2 H 2 O + 2 e – → H 2 + 2 OH – (2. 2) For alkaline electrolysis, OH – ions must be able to move through the membrane ... the Hydrogen Economy The electrolysis reaction can be expressed as: H O e H O 2 2 2+ → + − = Cathode reaction (3.1) O O e = − → + 1 2 2 2 Ano...

Ngày tải lên: 13/08/2014, 16:21

... O 2 (g) H 2 O(g) from Section 2 H 2 O(g) from Section 3 SO 2 (g) O 2 (g) H 2 O(g) feed H 2 SO 4 to Section 2 SO 2 Stripping SO 2 , HI x HI x (HI, H 2 O, I 2 ) to Section 3 I 2 from Section 3 H 2 O ... Extraction O 2 Separation Bunsen Reactor SO 2 (g), O 2 (g) H 2 O(g) from Section 2 H 2 O(g) from Section 3 SO 2 (g) O 2 (g) H 2 O(g) feed H 2...

Ngày tải lên: 13/08/2014, 16:21

... Introduction 123 5 .2 Description of the Process 124 5 .2. 1 Oxygen-Tolerant Hydrogenase Systems 126 5 .2. 2 Anaerobic Hydrogenase Systems 127 5.3 Reactor Materials 129 5.3.1 Photobioreactors 130 5.3 .2 Photobioreactor ... I 2 . Feed H 2 O Concentration (wt%) 20 22 24 26 28 30 10 4 1000 100 10 10 4 1000 100 10 Flux (g/m 2 h) Separation Factor FIGURE 4 .22 Naon-117® perf...

Ngày tải lên: 13/08/2014, 16:21

... H2S/19 .2% H2/balance He 25 0 ppm H2S/balance H2 and UHP He 97 ppm H2S/19.4% H2/balance He 500 ppm H2S/balance H2 and UHP He 400 ppm H2S/79.8% H2/balance He 500 ppm H2S/balance H2 and UHP He 29 22 ... 10 -6 2 10 -6 0 20 40 60 80 100 120 140 19.4% H 2 , 97 ppm H 2 S 79.8% H 2 , 400 ppm H 2 S 19 .2% H 2 , 29 22 ppm H 2 S Flux [cm 3 (STP)/cm 2 -min] Time (h) Flux (mol/cm 2...

Ngày tải lên: 13/08/2014, 16:21

... must be understood for any new steels used for hydrogen gas pipelines. 5 024 .indb 173 11/18/07 5: 52: 49 PM 5 024 .indb 180 11/18/07 5: 52: 57 PM 168 Materials for the Hydrogen Economy The effect of various ... in hydrogen gas service. 5 5 024 .indb 161 11/18/07 5: 52: 24 PM 184 Materials for the Hydrogen Economy As noted, the majority of research into hydro...

Ngày tải lên: 13/08/2014, 16:21

... Ionics, 20 00, 129 , 63–94. 5 024 .indb 22 7 11/18/07 5:53: 52 PM 22 0 Materials for the Hydrogen Economy This scale effect indicates that the electrical conductivity is nearly constant for the lms ... on the air side of the air–(H 2 + 3% H 2 O) exposure. 64 5 024 .indb 23 6 11/18/07 5:54:06 PM 22 4 Materials for the Hydrogen Economy in an oxidizing...

Ngày tải lên: 13/08/2014, 16:21