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History of ion exchange membrane business
1950 Startup of research of ion exchange membranes
1961 Startup of commercial production of ion exchange membranes
1962 Startup of the first salt production plants in the world featuring ion exchange membranes at the Shin-Nihon Chemical Industry Co., Ltd.
Registration of trade mark ACIPLEX
1965 Completion of construction of salt production plants by Kinkai Engyo Co., Ltd.
1967 Startup of salt production plants by Ako Seawater Chemical Co., Ltd. and Naruto Engyo Co., Ltd. Adoption of monovalent cation perm-selective membranes
1972 Delivery of desalination plants for brackish water (Hatsushima Island, Ohshima Island)
1973 Completion of construction of a salt production plant by Sanuki Engyo Co., Ltd.
1974 Construction of the first whey desalination plant
1975 Delivery of the first seawater desalination plant. Startup of a Taiwanese salt production plants
1979 Startup of a Korean salt production plant
1982 Entered into a contract with Kuwait PIC on technology export of salt making and electrolysis
1983 Delivery of dialyzers to Pusan Salt, Korea
1986 Marketing debut of MICRO ACILYZER
1989 Marketing debut of EDCORE
1992 Construction of a bipolar membrane production plant. Establishment of Eurodia Industrie S.A., France
1993 Registration of trade mark NEOSEPTA
1995 Establishment of ASTOM Corporation: A joint company for production of hydrocarbon-based ion exchange membranes
1998 Acquisition of ISO 14001 certification (Shunan works)
2004 Reorganization of ASTOM Corporation as an integrated manufacturing and marketing company, inheriting sales and marketing rights from both parent companies
2005 Acquisition of ISO 9001 certification (whole company)
2010 Delivery of electrodialysis reversal (EDR) for brine water desalination to Oshima Island, Tokyo 2011
2011 Installation of an additional salt production plant in Kuwait
2013 Delivery of electrodialyzers to the leachate treatment facility of Kitakata final disposal site in Nobeoka city
 
Products Ion exchange membrane NEOSEPTA Electrodialyzers ACILYZER ED Electrodialysis reversal ACILYZER EDR Bipolar membrane electrodialyzer ACILYZER BPED [NEOSEPTA BIPOLAR] Diffusion dialyzers ACILYZER DD Tubular membrane electrode apparatus EDCORE
Application Salt production Food/Pharmaceuticals Drinking water production Waste solution treatment Recovery of acids/alkalis Other fields
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