1994

,

イソプロパノ－ルを用いた脫窒法の檢討 ( Denitrification with isopropanol as a Carbon source in a Biofilm system)

1993

,

Removal of odorous Compounds in wastewater by using aerated biofilter

1993

,

下水處理水の再利用の前提とした處理水中の殘存臭氣物質の除去 (Removal of Odorous Compounds in wastewater by using Aeration Biofilter)

1992

,

オゾン，曝氣, 微生物による水中硫黃系臭氣物質と窒素系臭氣物質の除去 (Removal of sulfur and nitrogen odorous Compounds by using Ozone, Aeration, Microorganisms)

1991

,

Determination of Sulfur Containing Odorous Compounds in Night Soil Treatment Plant