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4K001 MANUFACTURE AND REFINEMENT OF METALS
C22B1/00 -61/00
C22B1/00-61/00 AA AA00
TARGET METALS 		AA01 AA02 AA03 AA04 AA05 AA06 AA07 AA08 AA09 AA10
. Ag . Al . As . Au . Bi . Cd . Co . Cr . Cu . Fe
AA11 AA12 AA13 AA14 AA15 AA16 AA17 AA18 AA19 AA20
. Ga . Ge . Hf . Hg . In . Mn . Mo . Nb . Ni . Pb
AA21 AA22 AA23 AA24 AA25 AA26 AA27 AA28 AA29 AA30
. Sb . Se . Si . Sn . Ta . Te . Ti . V . W . Zn
AA31 AA32 AA33 AA34 AA35 AA36 AA37 AA38 AA39 AA40
. Zr . Actinide . . U . Alkali . . Na . Alkali earth . . Be . . Mg . Rare-earth . . Y
AA41 AA42
. Pt . Others
BA BA00
RAW MATERIALS 		BA01 BA02 BA03 BA04 BA05 BA06 BA07 BA08 BA09 BA10
. Raw material to be subjected to a preliminary process . . Oxide mineral . . Sulfide mineral . Raw material to be refined . . Oxide . . Sulfide . . Sulfated material . . Chloride . Manganese nodule . Matte
BA11 BA12 BA13 BA14 BA15 BA16 BA17 BA18 BA19 BA20
. Speiss . Slag . Dross . Dust . Mill scale . Leaching residue . Electrolytic slime . Deposit . Leached solution . . Leached alkali solution
BA21 BA22 BA23 BA24
. Waste liquid . Scrap . Crude metal . Others
CA CA00
PRELIMINARY PROCESS 		CA01 CA02 CA03 CA04 CA05 CA06 CA07 CA08 CA09 CA10
. Crushing . Separation . . Specific gravity separation . . Magnetic separation . Cleaning, wet chemical treatment . . By washing with water . . Acid treatment . . Alkali treatment . Dehydration, calcifying, drying by pre-heating . Ore bedding
CA11 CA12 CA13 CA14 CA15 CA16 CA17 CA18 CA19 CA20
. Roasting . . Sulfation . . Halogenization . . . Segregation . . Oxidation . . Reduction . Sintered agglomerated ore . . Raw material compounding . . . Flux . . . Grain size
CA21 CA22 CA23 CA24 CA25 CA26 CA27 CA28 CA29 CA30
. . . Fuel . . Baking . . . Reduced pellet . . Pellet cooling . Nonfired agglomerated ore . . Raw material compounding . . . Flux . . . Grain size . . . Binder . . . . Hydraulic property
CA31 CA32 CA33 CA34 CA35 CA36 CA37 CA38 CA39 CA40
. . Curing . Sintering . . Raw material compounding . . . Flux . . . Grain size . . . Fuel . . . Moisture . . Previous process . . . Pseudo-granulation . . Sintering operation
CA41 CA42 CA43 CA44 CA45 CA46 CA47 CA48 CA49
. . . Charging, layer thickness . . . Ignition . . . Ventilation . . . Exhaust gas treatment . . . Exhaust heat recovery . . . Pallet velocity . . . Ejecting . . Cooling sintered ore . Others
DA DA00
PYROMETALLURGY 		DA01 DA02 DA03 DA04 DA05 DA06 DA07 DA08 DA09 DA10
. Smelting . . Intermediate product . . . Matte . . . Speiss . . Crude metal generation . Vaporized refining . . Condensation . . Halogenization . . Carbonylation . Gas reduction
DA11 DA12 DA13 DA14
. Crawl method, hunter method . Pyrolysis method . Amalgamation method . Others
DB DB00
HYDROMETALLURGY 		DB01 DB02 DB03 DB04 DB05 DB06 DB07 DB08 DB09 DB10
. Leaching . . Acid . . . Sulfuric acid . . . Hydrochloric acid, chlorine . . . Nitric acid . . . Mixed acid . . Water, hot water . . Alkali (salt) . . Ammonia (salt) . . Cyanide
DB11 DB12 DB13 DB14 DB15 DB16 DB17 DB18 DB19 DB20
. . Organic solvent . . Micro-organism . . Multi-step leaching . . High temperature and high pressure . . Electrolytic leaching . Treatment of solution . . Metal deposition . . . Substitution deposition . . . Gas reduction . . . Thermal disproportionation
DB21 DB22 DB23 DB24 DB25 DB26 DB27 DB28 DB29 DB30
. . . Electrolytic reduction . . Compound deposition . . . PH adjustment . . . Sulfuration . . Flotation separation . . Extraction of solvent . . . Amine . . . Oxime . . . Aldehyde, ketone . . . Organic acid
DB31 DB32 DB33 DB34 DB35 DB36 DB37 DB38
. . . . Phosphoric acid . . . Cyanide . . . Heterocyclic compound . . . Reverse extraction . . Solid absorption . . . Resin . . . Absorption apparatus . Others
EA EA00
REFINING 		EA01 EA02 EA03 EA04 EA05 EA06 EA07 EA08 EA09 EA10
. Distillation . Vacuum use . Gas blowing . Addition of refining agent . Elution . Filtering . Slag ejection . Cold trap . . Meshless . . Mesh
EA11 EA12 EA13
. . Temperature control . Paper trap . Others
FA FA00
SMELTING 		FA01 FA02 FA03 FA04 FA05 FA06 FA07 FA08 FA09 FA10
. Electroslag . . Electrode . . . Multiple electrodes . . Electrode grasp . . Mold . . Body shaping . . Slag . . Starting . . Control . Arc smelting
FA11 FA12 FA13 FA14
. . Electrode . . Plasma smelting . Electron beam irradiation . Others
GA GA00
FURNACES TO BE USED 		GA01 GA02 GA03 GA04 GA05 GA06 GA07 GA08 GA09 GA10
. Vertical furnace . . Blast furnace . Reverberatory furnace . Self-fluxing furnace . Furnace for continuous smelting . Converter . Rotary furnace . Retort . Fluidized bed furnace . Sintering furnace
GA11 GA12 GA13 GA14 GA15 GA16 GA17 GA18 GA19
. . Cooling device . Grate kiln type furnace . Electric furnace . . Resistance furnace, electroslag furnace . . . Electric heat distillation furnace . . Arc furnace . . Induction furnace . Ladle . Others
GB GB00
DETAILS OF FURNACES 		GB01 GB02 GB03 GB04 GB05 GB06 GB07 GB08 GB09 GB10
. Charger . Ejector . Tuyere, lance . Tuyere puncher . Stirring device . . Electromagnetic stirring device . Trough, grate . Air seal . Exhaust gas treatment . Exhaust heat recovery
GB11 GB12
. Detection, automatic control . Others
HA HA00
REDUCING AGENTS 		HA01 HA02 HA03 HA04 HA05 HA06 HA07 HA08 HA09 HA10
. Solid carbon . Metals, alloys . . Al . . Fe . . Zn . . Alkali . . Alkali earth . . Amalgam . H2, Co . Organic compound
HA11 HA12
. . Hydrocarbon . Others
JA JA00
OXIDIZING AGENTS 		JA01 JA02 JA03 JA04 JA05 JA06 JA07 JA08 JA09 JA10
. O2 . Oxide . . Hydrogen peroxide . . Nitrogen oxide . Oxidative metal salt . . Ferric salt . . Cupric salt . . Chromate . . Manganate . Others
KA KA00
FLUXES 		KA01 KA02 KA03 KA04 KA05 KA06 KA07 KA08 KA09 KA10
. Al2O3 . SiO2 . TiO2 . MnO . FeO . CaO . MgO . Chloride . Fluoride . . CaF2
KA11 KA12 KA13
. . MgF2 . CaC2 . Others
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