Title:
METHOD FOR PREVENTING ORAINAGE REMOVING DEVICE FROM SCALE
Document Type and Number:
Japanese Patent JPS5230060
Kind Code:
A
Abstract:
PURPOSE: To provide a method for preventing scale so as not to be adhered to the inside of a device when heavy metal, etc. is separated and removed as insoluble hydroxide after mixing the pH increasing agent with drainage.
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Inventors:
NAGURA TORAO
TAKEI TAKAHIRO
TAKEI TAKAHIRO
Application Number:
JP10561175A
Publication Date:
March 07, 1977
Filing Date:
September 02, 1975
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
C02F1/62; (IPC1-7): C02C5/02