国家/地区 中国（8）
IPC部 B（8）
IPC大类 B01（8） C02（8） C08（2）
IPC小类 B01J（8）
IPC C02F101/22（8）
发明人 GUO X（2） SUN Q（2） YANG Y（2）
公开年 2022（5） 2023（3）
申请年 2022（8）
专利权人 UNIV HANGZHO.（2） UNIV SHANDON.（2）

Treatment of chromium-containing wastewater involves using lignin-based composite aerogel as adsorbent material, adjusting pH of chromium-containing wastewater, and removing hexavalent chromium-ion in wastewater.

ZHANG Y, ZHAO X, CHU R, GUO X

Removing hexavalent chromium ions in aqueous phase, comprises adjusting pH of chromium-containing wastewater to be treated, adding carbon nitride/graphene oxide composite airgel as adsorbent to carry out adsorption and removal of hexavalent chromium ions.

XI Y, LI M, GUO X

Preparing superhydrophilic highly elastic graphene airgel used for removing heavy metals in waste water, involves subjecting modified graphene oxide dispersion liquid to hydrothermal reaction to obtain reduced graphene oxide hydrogel, and dialyzing with hydroalcoholic solution.

HE G, DU B, CHEN L, ZHANG X

High-density amino polymer modified graphene oxide adsorbent comprises adsorbent is modified with dopamine and polyethyleneimine, and contains high amino density by method of secondary modification functionalized graphene nano composites.

SUN Q, YANG Y

Removing chromium ions involves using graphitic carbon nitride nanosheets/cellulose/graphene oxide composite foam to catalyze the removal of chromium ions under visible light conditions.

ZHU X, CHEN M, HAO D, ZHOU Q, LIU J, WANG P, FU B

Preparing high stability sulfate lignin complex nanometer microsphere used as adsorbent for absorbing and removing heavy metal ion in water, comprises pulping black liquor after removing impurity, dripping the graphene oxide ethanol dispersion into the lignin solution, freezing and drying.

ZHU B, LIN Y, DENG Y, LIANG L, MENG X, HE M, YAN Z, ZHAO M, WU T

Adsorbent for removing hexavalent chromium useful for adsorption of heavy metal hexavalent chromium comprises amino-functional graphene nano composite material has amino-containing functionalized graphene nano composite material synthesized by one-step low-temperature reaction with e.g. thiourea.

SUN Q, YANG Y

Preparing composite chromium ion-imprinted hydrogel involves using polycarbonate microsphere to obtain silicon dioxide hollow microsphere, preparing respectively thiolated graphene and alkyne-functionalized polyacrylamide, and using thiolated graphene and alkynyl functionalized polyacrylamide.

ZHAO J, HU J, XU J, MU J