Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denki Kagaku Kogyo KKfiledCriticalDenki Kagaku Kogyo KK
Priority to JP8576877ApriorityCriticalpatent/JPS5421000A/en
Publication of JPS5421000ApublicationCriticalpatent/JPS5421000A/en
PURPOSE: To effectively utilize process thermal energy and produce calcium carbide without using expensive electric power, by using CO gas, a by-product of carbide forming reaction to cool the cooling zone of a vertical type furnace as well as heating the CO gas and recycling the heated gas.
COPYRIGHT: (C)1979,JPO&Japio
JP8576877A1977-07-181977-07-18Production of calcium carbide
PendingJPS5421000A
(en)