| 摘要 |
A fixed-bed charge in a tube reactor is heated, and at the same time heat is conducted away from, or into, the fixed bed, by a method in which the fixed bed is heated by means of a fluidized material which conducts away and supplies heat and flows through the voids in the charge, and the heat is conducted away or supplied by means of a heat-transfer medium flowing in a heat exchanger, the latter being located in the fixed bed or in a fluidized layer formed above the fixed bed and consisting of the fluidized material.
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