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LaPorte liquid-phase methanol process development unit: Continued operation in liquid-entrained catalyst mode: Final report

Technical Report ·
OSTI ID:6763400
The LaPorte LPMEOH Process Development Unit (PDU) was operated in July 1985 under Contract No. DE-AC22-85PC80007. This test (Run E-4) utilized catalyst powder F21/OE75-35 at an initial 41 wt % (oxide basis) solids concentration. This slurry was successfully activated using an improved in-situ reduction technique. Both CO-rich (H/sub 2//CO = 0.69) and balanced (H/sub 2//CO = 2.89) reactor feed gas were tested at 250/sup 0/C (482/sup 0/F) and 5270 kPa (765 psia). Superficial gas and liquid velocities were varied from 12.2 to 15.6 cm/s (0.40 to 0.51 ft/s) and 1.8 to 6.5 cm/s (0.06 to 0.21 ft/s), respectively. Slurry concentration was also changed from 47.4 wt % to 33 wt %. The PDU achieved a 100% on-stream factor and was shut down after 231 hours of operation. Methanol productivity for all cases was less than the laboratory prediction. A mass transfer limitation and/or inadequate gas/slurry mixing are believed to exist in the present LPMEOH reactor system at elevated solids loadings (above about 30 wt %). Future work to identify other liquid media and reactor internals is planned within other tasks of this program. 2 refs., 7 figs., 9 tabs.
Research Organization:
Air Products and Chemicals, Inc., Allentown, PA (USA); Electric Power Research Inst., Palo Alto, CA (USA)
DOE Contract Number:
AC22-85PC80007
OSTI ID:
6763400
Report Number(s):
EPRI-AP-5050; ON: DE87006897
Country of Publication:
United States
Language:
English