Inventor
KYODA YOJI
JP7 patents
Patents
7 patentsUS9970077B2May 15, 2018
Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclave
SUMITOMO METAL MINING CO4 citations72
US9732400B2Aug 15, 2017
Autoclave apparatus used during high-pressure acid leaching process
SUMITOMO METAL MINING CO3 citations71
US9410226B2Aug 9, 2016
Ore slurry production method and metal refining method
SUMITOMO METAL MINING CO2 citations61
US9731980B2Aug 15, 2017
Processing device and processing method for hydrogen-sulphide-containing barren solution
SUMITOMO METAL MINING CO0 citations51
US9561972B2Feb 7, 2017
Method for effluent treatment in smelting of nickel oxide ore
SUMITOMO METAL MINING CO0 citations51
US9896740B2Feb 20, 2018
Method for operating flash vessel
SUMITOMO METAL MINING CO0 citations40
US9464341B2Oct 11, 2016
Flash vessel and method for operating same
SUMITOMO METAL MINING CO0 citations40