Inventor

IYATOMI NOBUYOSHI

JP3 patents

Patents

3 patents

US6337061B1Jan 8, 2002

Method for reclaiming metal sulfate-containing waste sulfuric acid

NITTETSU MINING CO LTD21 citations88

US5489423AFeb 6, 1996

Process for recovering sulfuric acid from metallic sulfate-containing exhaust sulfuric acid

NITTETSU MINING CO LTD6 citations58

US5531906AJul 2, 1996

Process for treatment of sodium hydroxide waste liquor containing aluminum

NITTETSU MINING CO LTD6 citations55