国家/地区 中国（12） 加拿大（3） 美国（3） 韩国（2）
IPC部 C（17）
IPC大类 C22（17） B01（4） C01（4）
H01（3） C02（2） C08（2）
C21（2）
IPC小类 C22B（17）
IPC C22B007/00（7） C22B026/12（7） B01J020/30（3）
H01M010/54（3） B01J020/20（2） C01D015/06（2）
C01D015/08（2） C08L003/02（2） C22B001/244（2）
C22B001/245（2） C22B003/02（2） C22B003/24（2）
C22B003/42（2） C22B003/44（2） C22B009/00（2）
发明人 ZHANG J（3） DA SILVA S N（2） JIANG X（2）
WANG J（2） WANG J P（2） XU S（2）
YANG Z（2）
公开年 2023（17）
申请年 2022（10）  2023（4）  2021（3） 
专利权人 DA SILVA S N（2） UNIV PUKYONG.（2）

Recycling nickel cobalt catalyst comprises soaking waste catalyst with nickel and cobalt in sulfuric acid, adding chitosan-graphene porous adsorption material, adsorbing amine, heating, adsorbing nickel-cobalt ions, replacing cobalt ions adsorbed by nickel ions, and separating nickel-cobalt ions.

ZHANG J, XU S, YANG Z, ZHOU S, XU Y

Manufacture of high iron product for melting furnace, involves mixing iron ore fine, biomass, binder, nanomaterial, additive and catalyst in mixer, performing agglomeration carbothermal reduction, and/or solid-solid separation.

CONSTANTE BARBOSA C H, VIANA PIMENTA F, DE CASTRO DUTRA F, BATISTA DE ALMEIDA SCARABE, RODRIGUES VENTURA L, YAMAMOTO M F, DE RESENDE V G, DOS SANTOS SILVA F, PARREIRA F V, OLIVEIRA BOECHAT F, SILVA CAVALCANTI P P, PEREIRA DINIZ MARANHA S

Preparing nut with composite coating on its surface comprises ultrasonically dispersing modified fluorinated graphene, titanium boride-silicon dioxide, and xylene, adding mixed solution, melting copper, aluminum, chromium, iron, manganese, nickel, silicon and zinc, cooling, and heat treating.

YANG Z, GAO F, JIANG X

Recovery of gold involves recovering gold from carbon fines under reducing conditions in alkaline medium having low oxidation reduction potential.

HALIM M A, CHEN J, LAKSHMANAN V I, DASGUPTA S

Hydrogel useful for recovering metal, preferably palladium, comprises electrochemically active bacteria and reduced graphene oxide integrated with outer membrane of bacteria.

KAPLAN D, HSU H, SCHEEL R, JIANG X, SAHOO J K, ZHANG Y

Preparing graphene enhanced valve comprises e.g. determining main body material and production type of valve, selecting raw materials, smelting, primary and repeated refining, mold casting, sand blasting, cleaning, grinding, heating, annealing and allowing to stand.

DU J, SONG T, REN H, ZHANG J, YUE Y, YE Z

Adsorbent useful for recycling noble metal, comprises nitrogen-doped graphene-silicon dioxide hybrid material, where the nitrogen-doped graphene- silicon dioxide hybrid material includes nitrogen doped-silicon dioxide graphene material.

ZHANG L, LIU J

Preparing composite structure hydrophilic membrane electrode with composite structure comprises e.g. mixing lithium carbonate and titanium dioxide, calcining, modifying, mixing tannic acid modified active electrode material with solvent, coating on titanium plate, and drying.

DUAN X, ZHANG J, XIANG X

Extracting lithium from salt lake brine comprises using electrodialysis device and lead as anode, completing after reaction, turning over positive and negative poles, keeping mixed solution of sulfate and chloride in cathode chamber unchanged, and recovering lithium-intercalated ion sieve.

LIU X, ZHAO Z, XU W, HE L

Electrode to extract lithium from salt lake, comprises conductive substrate and coating layer arranged on surface of conductive substrate, where coating layer has porous structure and porous structure is formed by decomposition of amodimethicone-coated pore former.

LI C, XIE Y, YU H, LI A