METHOD OF MODIFYING NATURAL PEARLITE

Title:

METHOD OF MODIFYING NATURAL PEARLITE

Document Type and Number:

Japanese Patent JP2001278617

Kind Code:

A

Abstract:

To provide a method of producing a modified natural pearlite having a cation exchange capacity viable to synthetic zeolite while maintaining a low cost.

This method comprises heat treating natural pearlite in alkaline aqueous solution to modify it into an artificial zeolite having high cation exchange capacity.

Inventors:

HENMI AKIO
SAKAGAMI ETSURO

Application Number:

JP2000098458A

Publication Date:

October 10, 2001

Filing Date:

March 31, 2000

Export Citation:

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Assignee:

HENMI AKIO
SAKAGAMI ETSURO
EPSON CORP

International Classes:

B01J39/14; C01B33/26; (IPC1-7): C01B33/26; B01J39/14

Attorney, Agent or Firm:

Toru Seya (2 outside)

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