国家/地区 美国（8）
IPC部 C（8）
IPC大类 C22（8） C01（4） C25（4）
C08（2） H01（2）
IPC小类 C22B（8）
IPC C22B007/00（3） C08L003/02（2） C22B001/244（2）
C22B001/245（2） C22B003/04（2）
发明人 DA SILVA S N（2）
公开年 2021（4） 2023（3）
申请年 2022（3）  2020（2）  2021（2） 
专利权人 DA SILVA S N（2）

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

Binder composition used to pelletize iron bearing fines, and induration process comprises starch, sodium hydroxide, sodium silicate, and iron bearing fines making up the remainder.

DA SILVA S N

Binder composition used in manufacture of green briquettes for briquetting metal bearing fine and other metal such as manganese, bauxite, boron, chromium, iron-nickel and/or ferrous slag, comprises starch, sodium hydroxide, sodium silicate, and metal bearing fines.

DA SILVA S N

Recovering metal from metal-containing material by leaching, by treating aqueous solution with external energy, reacting leaching agent precursor with formed hydrogen peroxide, and reacting metal-containing material with leaching solution.

RINNE T

Recovering elemental rare earth metal used in e.g. magnet, involves placing rare earth-containing material comprising rare earth metal in reaction solution containing reducing agent, reducing rare earth metal to form cations of reducing agent, and reducing cations of reducing agent.

BAEK D L, FOX R V, CASE M E

Recovering lithium precursor by preparing cathode active material mixture containing lithium composite oxide, forming pre-precursor mixture including lithium oxide by reacting cathode active material mixture and separating by washing.

HONG S J, KIM J M, SON S R, HA D W, HONGSEOKJOON, KIM J, SOHN S, HE D, SUN C, HONG X

Treating electrolyte by feeding electrolyte containing two metal ions into electrochemical polishing reactor with anode and high-surface area cathode and controlling electrode potential at high-surface area cathode to reduce first metal ion.

MOHANTA S, REILL J, TAECKER B S, HOKE J, DOUGHERTY B J, LIAO J, LIL J, TACKER B S, HAWK J, DIRTY B J, LAYER J

Producing isolated graphene sheets from layered graphite material having hexagonal carbon atomic interlayers with interlayer spacing, comprises e.g. forming alkali metal ion-intercalated graphite by electrochemical intercalation procedure.

ZHAMU A, JANG B Z