Title:
高炉水砕スラグの処理方法
Document Type and Number:
Japanese Patent JP5088040
Kind Code:
B2
Abstract:
To provide a treatment method of slag capable of effectively suppressing the elution of fluorine from granulated blast furnace slag and implementing at a low cost without using a special equipment, a treatment agent or the like.
In this treatment method of slag, steel slag (B) which contains a mineral phase containing calcium and phosphorus and has the fluorine content of 0.15 mass% or less is added to granulated blast furnace slag (A) and fluorine is fixed in slag by forming a hardly soluble compound containing fluorine from components contained in granulated blast furnace slag (A) and steel slag (B).
COPYRIGHT: (C)2009,JPO&INPIT
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Inventors:
Yasuto Miyata
Hiroyuki Tobo
Kazuya Yabuta
Koji Yamaguchi
Keiji Watanabe
Hiroyuki Tobo
Kazuya Yabuta
Koji Yamaguchi
Keiji Watanabe
Application Number:
JP2007209171A
Publication Date:
December 05, 2012
Filing Date:
August 10, 2007
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C04B5/00; B09B3/00; C21B3/04; F27D15/00
Domestic Patent References:
| JP2003183718A | ||||
| JP2002331272A | ||||
| JP2005194574A | ||||
| JP2001115205A | ||||
| JP2000247711A |
Attorney, Agent or Firm:
Hideto Tomabechi