MANUFACTURING AND RECOVERING METHOD OF ARTIFICIAL ZEOLITE AND PHOSPHOROUS COMPOUND SUCH AS APATITE FROM SEWERAGE SLUDGE OR INCINERATED ASH

Title:

MANUFACTURING AND RECOVERING METHOD OF ARTIFICIAL ZEOLITE AND PHOSPHOROUS COMPOUND SUCH AS APATITE FROM SEWERAGE SLUDGE OR INCINERATED ASH

Document Type and Number:

Japanese Patent JP2006007194

Kind Code:

A

Abstract:

To recycle phosphorous compound, quartz, and cristobalite mineral contained in the incineration ash as a recycling method of sewerage sludge or incineration ash.

The sewerage sludge or incineration ash is subjected to a hydrothermal treatment in an aqueous sodium hydroxide, then useful materials such as artificial zeolite, hydroxylapatite, and sodium aluminate are manufactured and recovered to be recycled.

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Inventors:

HARUNA JUNSUKE
SONEHARA HIROYUKI
NARITA HIROSHI

Application Number:

JP2004216623A

Publication Date:

January 12, 2006

Filing Date:

June 25, 2004

Export Citation:

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Assignee:

TAISEI GIKEN KK
NAGANO PREFECTURE

International Classes:

B09B3/00; C01B25/32; C01B39/02; C02F1/58; C02F11/06

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