Integrated two-stage coal liquefaction
Journal Article
·
· Energy Prog.; (United States)
OSTI ID:6396458
In conclusion, the recent pilot-plant runs have demonstrated the viability of the integrated two-stage concept. The effect of the recycle solvent on the Short Contact Time (SCT) reaction and hydrogen-consumption efficiency for the overall process have been confirmed from material and elemental balances around each unit. The hydrogen-transfer capabilities of the solvent and the ability of the LC-Fining process to re-hydrogenate the depleted solvent have been demonstrated in the pilot plant. By shifting the extract conversion to the catalytic LC-Fining stage, gas yields are minimized and distillate yields are maximized, thereby resulting in a hydrogen-consumption efficiency close to the theoretical maximum. The PDU (Process Development Unit) is now processing Illinois No. 6 coal. Runs with a sub-bituminous coal and a cleaned coal are planned for the next two years. Additional development work is planned to further optimize the process configuration and overall Integrated Two Stage Liquefaction (ITSL) economics. 1 figure, 5 tables.
- Research Organization:
- C-E Lummus Co., Bloomfield, NJ
- OSTI ID:
- 6396458
- Journal Information:
- Energy Prog.; (United States), Journal Name: Energy Prog.; (United States) Vol. 2:4; ISSN ENPGD
- Country of Publication:
- United States
- Language:
- English
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