Wenderoth, Lind & Ponack
Process for producing hydrogen cyanide and appartus for use in the process
 A process for producing hydrogen cyanide which comprises reacting methane or a gas containing methane as a main component, ammonia and an oxygen-containing gas in the presence of a platinum-containing catalyst, wherein the reaction gases are quenched by using an indirect heat-exchanger, preferably an indirect heat-exchanger made of a nickel alloy having an iron content of not more than 4.0% by weight, without quenching them directly with water. 
Mitsubishi Gas Chemical Company, Inc.
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F28F C01C C01C Y10S
inventional inventional inventional additional
Takeshi Toshio Kengo Masao
Otake Koseki Tsukahara Saito