Title:
DESCALING AGENT
Document Type and Number:
Japanese Patent JPH06154790
Kind Code:
A
Abstract:
PURPOSE: To provide a descaling agent which produces high descaling effects not only for calcium-based scale but also for iron-based scale, copper-based scale which have been difficult to remove, and which has low toxicity and low corrosiveness against base metals and has high working safety, in which waste water treatment is easily performed.
CONSTITUTION: A descaling agent contains 1-30wt.% phosphonic acid, 1-30wt.% organic acid having two or more carboxyl groups, and 1-30wt.% chelating agent.
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Inventors:
NAKAJIMA JUNICHI
ANDO NAOMI
ANDO NAOMI
Application Number:
JP33965392A
Publication Date:
June 03, 1994
Filing Date:
November 25, 1992
Export Citation:
Assignee:
MIURA KOGYO KK
International Classes:
C02F5/14; C02F5/00; C02F5/08; C02F5/10; C02F5/12; (IPC1-7): C02F5/14
Domestic Patent References:
JPS58174296A | 1983-10-13 |
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