Toyo Soda Manufacturing Co., Ltd.

Nihon Kinzoku Kogyo Kabushiki Kaisha

Yoshiki Nishimura

Kazutaka Sakiyama

Kenji Harada

Tadao Adachi

An apparatus for use in the ammonia soda process or ammonium chloride soda process wherein those parts in contact with the ammoniacal brine, the mother liquor formed in the carbonation tower or the ammonium chloride mother liquor, are made of the austenitic steel consisting essentially of less than 0.05 wt. % of C; 0.1 - 2.0 wt. % of Si; 0.01 - 2.0 wt. % of Mn; 3.0 - 20.0 wt. % of Ni; 15.0 - 30.0 wt. % of Cr; 0.5 - 7.0 wt. % of Mo and the remainder iron.

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Shinnanyo, Japan

Yoshiki Nishimura