Title:
EFFLUENT TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2014104456
Kind Code:
A
Abstract:
To provide an effluent treatment method permitting a broad applicable effluent pH range during a metal processing effluent flocculating process and using an inorganic coagulant capable of conserving the quantity of an alkali used and of reducing the volume of a sludge.
The provided effluent treatment method targeting metal processing effluents uses, during a flocculating process of adding at least an inorganic coagulant to a metal processing effluent, a basic ferric chloride as the inorganic coagulant.
Inventors:
HASEGAWA KAZUYA
ICHIKAWA YUICHI
SAITO KAORU
ICHIKAWA YUICHI
SAITO KAORU
Application Number:
JP2012261862A
Publication Date:
June 09, 2014
Filing Date:
November 30, 2012
Export Citation:
Assignee:
TAKI CHEMICAL
International Classes:
C02F1/52; B01D21/01
Domestic Patent References:
| JP2006224023A | 2006-08-31 | |||
| JP2004305941A | 2004-11-04 | |||
| JPS59116127A | 1984-07-04 | |||
| JPS5323266B2 | 1978-07-13 | |||
| JP2008161769A | 2008-07-17 |
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