国家/地区 中国（10） 韩国（2）
IPC部 C（11）
IPC大类 C22（11）
IPC小类 C22B（11）
IPC C22B007/00（11）
发明人 LIU H（2） WANG J（2） WANG J P（2）
公开年 2021（4） 2022（4） 2023（3）
申请年 2021（11）
专利权人 UNIV PUKYONG.（2）

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

Selectively recovering lithium from lithium manganese iron phosphate, comprises reacting lithium manganese iron phosphate powder with sulfuric acid solution.

WANG J, WANG J P

Selectively recycling lithium from lithium iron phosphate comprises reacting lithium iron phosphate powder with sulfuric acid solution.

WANG J, WANG J P

Recycling waste lithium iron phosphate battery used as raw material for preparing lithium iron phosphate anode active material, comprises e.g. mixing phosphorus source, acid and oxidant with impurity removing lixivium, mixing soluble carbonate with filtrate, and filtering.

ZHANG X, FANG X, LI Y, TIAN J, DU J

Separating rubidium in salt lake brine by using polyvinyl alcohol/chitosan/graphene/ferrous cyanide nickel copper composition, comprises preparing nano-grade ferrocyanide nickel-copper nano-scale nickel-copper ferrocyanide by ultrasonic assistant coprecipitation and coating.

NI J, HUANG A, MA Z, TANG H, GUO H, HOU Y, LIU H, YUAN D, XU Z, JIN G

Co-producing and recycling uranium in water for repeated and effective utilization, involves using photo-catalysis-electro-oxidation, by adding photocatalyst to uranium-containing waste liquid, and introducing ammonia gas.

JIN J, TANG X, CHEN F, YE Y, QIN Z, WANG Y

Method for simultaneously recycling positive and negative electrodes of lithium-ion batteries using multi-layer electrode structure, involves sandwiching conductive acid-resistant material with negative electrode material of lithium ion battery as anode of electrode system.

YU J, KONG J, GU S

Treating gold smelting wastewater by quality comprises e.g. mixing impurity-removing and reduction waste water in acid waste water, supplementing treatment of electrolyzed water in alkaline wastewater, returning fresh water to production system, and using desalinated water as supplementary water.

QIU J, LAI B, JI C, WU Z, WU W, SUN G, LIN F

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

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