Calorimetric measurement of the exothermic reaction in coking of hard coal
In coking, a major cost factor is the heat used to convert coal into coke; underfiring accounts for some 70% of the energy required. The aim of this research project was to investigate the heat consumption of carbonisation in a suitable calorimeter, which would compensate for heat loss through radiation whilst providing capacity for sufficient coal to enable secondary gas-solid reactions to take place through convective mass transfer within the charge. To determine the enthalpy of reaction of the coking process it is necessary to know the heat content of the initial compounds and reaction products. Though much was learnt - especially as regards the greater energy requirement of the American coal - a more detailed interpretation of the results will only be possible when the heat extracted by volatile products can be ascertained. This will be pursued in a further research project.
Bibliographic Reference: EUR 14266 DE (1992) 58 pp., MF, ECU 4, blow-up copy ECU 6
Record Number: 199211231 / Last updated on: 1994-11-29
Original language: de
Available languages: de