1. INTERNAL Hydrogen Membrane Reformer Technology 6.11.2003

2. KÅ - Date: 2003-11-04 - Page: 2 L EPI Porsgrunn Hydrogen Mixed Conducting Membranes ½ H 2 (Syngas) H+H+ e-e- ½ H 2 (Hydrogen) P H2 (II) P H2 (I) H + + e - ½ H 2 ½ H 2 H + + e - Driving force for H 2 : H 2 flux ≈ log P H2 (I) / P H2 (II) Membrane material 100% dense P H2 (I) > P H2 (II)

3. KÅ - Date: 2003-11-04 - Page: 3 L EPI Porsgrunn extract product gas (H 2 ) from reactor drive equilibrium limited reactions towards completion expand allowed range of temperatures and pressures Hydrogen Membrane Reformer

4. KÅ - Date: 2003-11-04 - Page: 4 L EPI Porsgrunn H 2 Generator System step 1 & 2 2 CH 4 +H 2 O = CO+3H 2 CO +H 2 O = CO 2 +H 2 1 ½ O 2 +H 2 = H 2 O 3 Sweep 4 CH 4 +H 2 O = CO+3H 2 CO +H 2 O = CO 2 +H 2 CH 4 / H 2 O Air 3 4 2 1 N 2 +H 2 O (Sweep) N 2 +H 2 O+H 2 Residual Gas H 2 membrane Syngas Q H2H2 H2H2 Q H2H2 H2H2 CC Air Air/H 2 O

5. KÅ - Date: 2003-11-04 - Page: 5 L EPI Porsgrunn H 2 Membrane Reformer - Power Plant