JPS5549182A - Waste solidifying method - Google Patents

Waste solidifying method

Info

Publication number
JPS5549182A
JPS5549182A JP12138278A JP12138278A JPS5549182A JP S5549182 A JPS5549182 A JP S5549182A JP 12138278 A JP12138278 A JP 12138278A JP 12138278 A JP12138278 A JP 12138278A JP S5549182 A JPS5549182 A JP S5549182A
Authority
JP
Japan
Prior art keywords
water
added
hazardous
reaction
waste
Prior art date
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.)
Granted
Application number
JP12138278A
Other languages
Japanese (ja)
Other versions
JPS589713B2 (en
Inventor
Koichi Watanabe
Kenichi Hirozawa
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.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP53121382A priority Critical patent/JPS589713B2/en
Publication of JPS5549182A publication Critical patent/JPS5549182A/en
Publication of JPS589713B2 publication Critical patent/JPS589713B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To eliminate pollution and maintain strength after disposal, by adding water-absorbing alkali additive to the waste containing hazardous pollutant and moisture to adjust pH, making insoluble and fixing the hazardous pollutant and dehydrating it, and solidifying with asphalt.
CONSTITUTION: A specified amount of water ia added to electric precipitation ash containing hazardous heavy metals such as Cd and Pb to react with water, and the reaction of the hazardous substances with water is preliminarily completed. Then, after heating and drying to evaporate the moisture almost completely, water-absorbing alkali additive such as cement and quick lime is added. By adjusting pH, the heavy metal pollutants are made insoluble and fixed, and sufficiently dehydrated by hydration reaction, and the temperature is elevated by the reaction heat. The waste of which temperature is elevated is added with asphalt, and mixed, formed and solidified. Thus solidified matter will never be broken to pieces or cause pollution after disposal.
COPYRIGHT: (C)1980,JPO&Japio
JP53121382A 1978-10-02 1978-10-02 Waste solidification method Expired JPS589713B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53121382A JPS589713B2 (en) 1978-10-02 1978-10-02 Waste solidification method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53121382A JPS589713B2 (en) 1978-10-02 1978-10-02 Waste solidification method

Publications (2)

Publication Number Publication Date
JPS5549182A true JPS5549182A (en) 1980-04-09
JPS589713B2 JPS589713B2 (en) 1983-02-22

Family

ID=14809823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53121382A Expired JPS589713B2 (en) 1978-10-02 1978-10-02 Waste solidification method

Country Status (1)

Country Link
JP (1) JPS589713B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006102614A (en) * 2004-10-04 2006-04-20 Kanazawa Hodo:Kk Method of recycling incineration ash containing heavy metal
JP2007253029A (en) * 2006-03-22 2007-10-04 Kyoei Bussan Kk Incineration residue treatment method and incineration residue treated matter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099961A (en) * 1974-01-09 1975-08-08
JPS5235449A (en) * 1975-09-16 1977-03-18 Giken Kogyo Kk Disposal method for industrial waste containing compound chromium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5099961A (en) * 1974-01-09 1975-08-08
JPS5235449A (en) * 1975-09-16 1977-03-18 Giken Kogyo Kk Disposal method for industrial waste containing compound chromium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006102614A (en) * 2004-10-04 2006-04-20 Kanazawa Hodo:Kk Method of recycling incineration ash containing heavy metal
JP2007253029A (en) * 2006-03-22 2007-10-04 Kyoei Bussan Kk Incineration residue treatment method and incineration residue treated matter

Also Published As

Publication number Publication date
JPS589713B2 (en) 1983-02-22

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