Startup procedure

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

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423449, 55 97, C01B 3102, C09C 148

Patent

active

043094007

ABSTRACT:
Startup procedure for carbon black plant comprising producing hot combustion gases low in free oxygen, bringing the hot combustion gases into indirect heat exchange relationship with water to produce a high pressure, saturated stream of steam which is reduced in pressure to produce superheated steam, and cooled hot combustion gases, and using the superheated steam stream to warm bag filters to operating temperatures before starting operation of the plant to produce carbon black. In a preferred embodiment, the superheated steam is combined with the cooled combustion gases and the combined stream used to warm the bag filters.

REFERENCES:
patent: 3369870 (1968-02-01), Ganz et al.
patent: 3464184 (1969-09-01), Wright

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