Karl Brandle
Bayer
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Studies in Inorganic Chemistry | 1984
Karl Brandle
Abstract The large increase in the production of sulfuric acid and its function as an auxiliary in chemical reactions has raised a number of problems which had to be solved. Four main subjects are dealt with in this article: (1) Reduction of emissions: The emissions of SO 2 could be reduced substantially by introduction of the double contact process develeoped by the BAYER AG. The principle of the process is decribed. (2) Raw materials: There is a world-wide tendency towards the use of elementary sulfur. The resulting technical consequences are discussed. (3) Energy recovery: During the manufacture of sulfuric acid large quantities of heat are produced. Regarding the present energy situation the recovery of this energy is an important necessity. The heat from the formation of SO 2 and from the reaction from SO 2 to SO 3 is recovered to a large extent and is converted to high pressure steam. Presently, large efforts are made in order to use also the heat from the reaction with water. A number of technical possibilities together with some material problems are discussed. (4) Recycling of spent acids and by-products: The re-use or recycling of spent acids plays an increasing role. Technical solutions are possible for the recovery of spent acids with organic as well as inorganic load by concentration and cleavage processes.
Archive | 1975
Martin Muller; Friedrich Dipl Ing Hinsche; Gerhard Winter; Karl Brandle
Archive | 1964
Hans Zirngibl; Karl Brandle; Peter Beumer; Walter Weidmann
Archive | 1984
Günter Dr. Lailach; Rudolf Gerken; Wolfgang-Dieter Muller; Karl Brandle
Archive | 1975
Hans Dr Kyri; Karl Brandle; Martin Muller; Heinrich Heine
Archive | 1967
Hans Zirngibl; Karl Brandle; Karl Engel; Walter Weidmann; Peter Beumer
Archive | 1982
Gunther Maass; Hans Joachim Lucking; Karl Brandle; Hans-Heinrich Moretto
Archive | 1991
Karl Brandle; Kurt-Wilhelm Eichenhofer; Klaus Geisler; Günter Pütz; Klaus-P. Grabowski
Archive | 1976
Manfred Mansmann; Karl Brandle
Archive | 1971
Karl Brandle; Claus-Heinrich Elstermann; Volker Hahnkamm; German Broja