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The objective of the research was to develop a system for direct determination of coking progress in the ovens by means of metal capsules which melt at a given temperature and contain tracers that are easily detectable in the distillation gases. In the first phase of the research, performed in the laboratory, a systematic examination was made of various types of tracers to evaluate the minimum levels that can be detected in the gases distilled from the coke oven allowing for possible retention of the tracer on the coke. The second phase concerned the design of the capsule. Special account was taken of the prevailing temperature, the temperature at which the capsule must break (950-1100 C), the quantity of tracer gas and the thermal gradient in the coking coal charge. The third phase was performed in the pilot oven, and studied oven modifications needed in order to position the device, and for introducing and positioning the capsule.

Additional information

Authors: COLLETTA A, Centro Sviluppo Materiali SpA, Roma (IT)
Bibliographic Reference: EUR 14590 IT (1993) 46 pp., MF, ECU 4
Availability: (2)
Record Number: 199311205 / Last updated on: 1994-11-29
Original language: it
Available languages: it
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