REMOVAL OF MANGANESE AND IRONIONS FROM THE AQUEOUS SOLUTION BY USING SHIRASU AND VOLCANIC ASH
ROCEEOINGS OF THE SECOND KYUSHU-TAIPE/INTERNATIONAL CONGRESS ON CHEMICAL ENGINEERING, 1997
STUDIES ON THE EFFECTIVE USE OF COAL ASH, VOLCANIC ASH AND SHIRASU
PROCEEDINGS OF THE SECOND KYUSHU-TAIPEI INTERNATINAL CONGRESS ON CHEMICAL ENGINEERING, 1997