国家/地区 中国（7）
IPC部 C（7）
IPC大类 C22（7）
IPC小类 C22B（7）
IPC C22B034/22（4） C22C027/02（4） C22B005/10（3）
B22F009/04（2） C22B007/00（2） C22C001/05（2）
C22C001/10（2） C22C035/00（2）
发明人 ZHANG C（7）
公开年 2021（5）
申请年 2021（5） 
专利权人 HUNAN ZHONGX.（5）

Composite material useful for extracting niobium, preferably carbon-based polyaniline composite material prepared by in-situ polymerization and deposition of polyaniline in pores of carbon material by using carbon material as porous matrix.

LIN Z, ZHANG C, LIU X, TIAN Z, DONG F, JIN Z, REN H, SU W

Preparation of vanadium-nitrogen alloy for steel, involves stirring and mixing raw material comprising vanadium oxide or vanadium salt, carbonaceous reducing agent, binder, nitrogen increasing agent, iron powder and stearic acid.

UNANNOUNCED I, ZHANG C

Vanadium alloy reduction smelting reducing agent for smelting ferrovanadium alloy, which is used in infrastructure construction of oil transportation/gas pipeline, building, bridge and rail, is graphene load silicon-zinc-aluminum alloy.

UNANNOUNCED I, ZHANG C

Powdery vanadium-nitrogen alloy useful in manufacturing process of steel, toughness, ductility and thermal fatigue resistance, comprises vanadium compound, carbonaceous reducing agent, binder, water and iron powder, where binder is polyester resin, hydroxy acrylic resin and polycarbonate diol.

UNANNOUNCED I, ZHANG C

Increasing nitrogen content of vanadium iron nitride used for e.g. high-strength thread steel, involves mixing vanadium source, carbonaceous reducing agent, iron powder, and tin dioxide, ball milling, vacuumizing, introducing mixed gas of nitrogen and ammonia and heating.

ZHANG C

Production of vanadium-aluminum alloy comprises acid leaching vanadium slag, removing iron, adding potassium hydroxide solution into acidolysis liquid, ball milling vanadium containing filter residue, mixing with dilute sulfuric acid solution and carrying out thermal reduction.

ZHANG C

Method for improving microbial leaching of copper, involves crushing/sorting waste circuit board, obtaining metal-rich component, placing graphene-modified carbon rod electrode system in reactor, domesticating strain, and leaching.

BAI J, DENG M, GU W, LU L, WANG J, YAO H, YU W, YANG F, ZHANG C, FEI Y