1. Department of Chemical and Biological Engineering Colorado School of Mines 1500 Illinois Street Golden Colorado 80401
2. Department of Applied Chemistry, Graduate School of Engineering Osaka Prefecture University 1‐1 Gakuen‐cho, Naka‐ku, Sakai Osaka 599‐8531 Japan
3. Department of Mechanical Engineering Colorado School of Mines 1500 Illinois Street Golden Colorado 80401
4. Department of Chemical Engineering and Materials Science Michigan State University 428 South Shaw Lane East Lansing Michigan 48824