Summary of Newly Developed and Evaluated Technologies by JS
	No	Classification		Technology	Period for Research  and Technology Development	Number of Facilities Constructed  by JS	Fiscal year   When First  Facility Was in Operation
	1	Waste water  Treatment	for Large  Scale WTP	Pure Oxygen Aeration Activated  Sludge Process	1973〜1993	10	1977
	2			Activated Sludge Process Using  Deep Aeration Tank	1976〜1977	2	1979
	3			Recycled Nitrification/  Denitrification Process	1974〜1995	29	1976.6
	4			Step-feed Biological Nitrogen  Removal Process	1981〜2004	16	1976
	5		for Middle or  Small Scale  WTP	Rotating Biological Contactors	1976〜1993	11	1979
	6			Oxidation Ditch Process	1977〜2000	362	1982
	7			Sequencing Batch Reactors	1982〜2002	34	2002.3
	8			Biological Aerated Filter	1982〜2003	21	1990.11
	9			Anaerobic-aerobic Activated  Sludge Process in One Reactor	1986〜1997	11	1994
	10		Others	Prefabricated Oxidation Ditch	1981〜1995	89	1989
	11			Wastewater Treatment Plant  in Tunnel	〜	3	1992
	12			Immobilization Nitrogen  Removal Process	1985〜2002	5	1991
	13	Sludge Treatment		Composting Facilities	1975〜2001	45	1977
	14			Power Generation Using  Digestion Gas	1980〜2002	2	1988
	15			Melting Furnace System	1978〜2003	10	1989?
	16			Pelletization Thickening	1984〜1998	26	1988
	17			Multidisk Screw Press Dehydrator	1995〜2002	68	(1997.6)
	18			Carbonizing Furnace	1994〜2003	3	2001.4