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SECTION I(b)

(13) New Reactor Design- General.

There has been practically no new development in this direction that has reached commercial application with the exception of the “Taschenrohr” oven at Krupp’s plant in Wanne-Eickel.

All existing LP plants use the standard plate-oven. The MP plants employ the double tube reactor which has been described in detail in the literature, and at Schaffgotsch some single tube reactors were used. However, parallel with the development of the Fe catalyst, there were attempts to improve the reactor.

The following improvements are noted:

1. Krupp Taschenrohrofen.
2. Lurgi MP reactor.
3. I.G. MP reactor (for Synol plant).
4. Rheinpreussen liquid phase reactor.

Empty vessels as are required in the I.G. “Waelz” or Lelkreis” process are not considered here.

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