Conversion of light hydrocarbon gases in metal carbides for production of liquid fuels and chemicals. Quarterly technical status report, October 1--December 31, 1993
The plasma gun was redesigned, after accidental burn-out in the previous period, to eliminate any possible arcing pathways outside of the inter-electrode region. A stable Argon arc discharge was obtained during the first test-firing of the completely rebuilt gun. The system flow capacity was determined to be about 3 cfm at ambient conditions. Procurement and installation of process and safety monitoring devices and of components of the sample collection system are in progress. The gas-quenched and water-cooled sample collection probe is fully assembled and is ready for installation. Shakedown-testing of the thermal plasma reactor has also commenced. Debottlenecking work on the gas and cooling water lines was performed to relieve excessive pressure drop through both gas and cooling water systems. For the next period, the shakedown testing will proceed first with the determination of the maximum power levels at which the plasma reactor can be operated at each gas flowrate, with Argon as the plasma-forming gas. The next step will be to complete the assembly of the sample collection system and to check out the entire system to determine other process constraints, first without firing, and then, with firing, still utilizing Argon as plasma gas. Preliminary temperature profile measurements in the cooling chamber will be taken using thermocouples to map out a safe penetration length of the sample collection probe into the chamber. Once the shakedown-testing is completed, the Miller powder feeder will be procured on a trial basis and preliminary scoping runs with methane and CaO and with methane and MgO will be performed.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge, MA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC22-92PC92111
- OSTI ID:
- 10160502
- Report Number(s):
- DOE/PC/92111--5; FE-MIT--92111-5; ON: DE94013933; BR: AB0530150/AB0550000
- Country of Publication:
- United States
- Language:
- English
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