国家/地区 中国（17） 美国（2） 世界知识产权组织（2）
IPC部 B（18）
IPC大类 B01（18）
IPC小类 B01J（18）
IPC B01J020/28（18）
发明人 ZHANG Y（18）
公开年 2017（4） 2018（4） 2014（2） 2020（2） 2023（2）
申请年 2017（4）  2016（3）  2018（2）  2020（2）  2022（2） 
专利权人 UNIV NORTH C.（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

Preparing sewage treatment agent for heavy metal treatment, comprises dispersing aminated magnetic graphene oxide in distilled water, adding glutaraldehyde solution, adding amino-terminated hyperbranched polymer after ultrasonic treatment, stirring, centrifuging, precipitating, washing, and drying.

XUE J, ZHANG Y, TENG J, CHENG Y

High-efficiency reproducible nano manganese removing agent used for removing permanganate ion in manganese-containing waste water, includes disodium salt EDTA, ferroferric oxide nanoparticles and reduced graphene oxide surface.

ZENG S, ZHANG Y, ZHAO Y, ZHANG M, LIANG G, LIN W, HUA X, CHEN Z, WU J, ZHOU Q, YIN X

Preparing amino-modified graphene hydrogel used to remove composite pollutant in wastewater involves dissolving graphene oxide and carbon nitride in water and adding into crosslinking reducing agent solution and hydrothermally reacting.

FENG Y, ZHANG Y, SHEN M, CHEN B, LIAN X, LIANG S

Preparing sulfonated polysulfone polymer doped carboxylic acid sulfonated graphene hybrid membrane for removing calcium and magnesium ions in water, by preparing carboxylic acid sulfonated graphene, concentrating and reacting.

ZHANG L, QIAO L, ZHANG Y

Preparing chitosan/aminated graphene oxide nano composite membrane adsorbent comprises adding graphite oxide, stirring uniformly, dispersing, centrifuging, heating, reacting, dialyzing, scraping a film, washing to neutrality and drying.

DING C, LI L, ZHANG Y

Preparing functionalized graphene oxide sponge comprises e.g. reacting p-tert-butylphenol and formaldehyde in a sodium hydroxide solution, filtering and washing with diethyl ether, drying, heating centrifuging and vacuum drying.

LIU S, MA J, LUO J, ZHANG H, LI S, ZHANG Y

Graphene composite oxide film useful for selectively removing metal ion in water, comprises oxidized graphene, amino-carboxy complexing agent and organic macromolecular flocculating agent.

ZHANG Y, TIAN C, YANG Z, LI M, DAI S, LIU M, DIAN P, CHEN H

Polyvinyl alcohol/graphene oxide composite nanofiber membrane preparation involves using graphite powder, potassium permanganate and concentrated sulfuric acid as main raw materials, and then preparing graphene oxide.

QU C, ZHANG Y, ZHU H

Graphene-based oil-water separation foam used in e.g. oil slick collecting device for use in oil recovery and inline remediation of organic contaminants in soil and groundwater, has contact angle in specified range.

HE F, WAN W, ZHANG Y