国家/地区 中国（13）
IPC部 B（14）
IPC大类 B01（14） C07（14） C01（2）
C25（2）
IPC小类 B01J（14）
IPC B01J020/30（14）
发明人 LI Z（2） LIU X（2） YE J（2）
YU G（2） ZHANG H（2） ZHANG J（2）
公开年 2020（3） 2018（2） 2021（2） 2022（2） 2023（2）
申请年 2019（3）  2016（2）  2020（2）  2021（2）  2023（2） 
专利权人 WANHUA CHEM .（2）

Synthesizing diethyl oxalate comprises e.g. placing oxalic acid, ethanol, toluene and catalytic adsorption solid material into the reactor and mixing, gradually heating the reactor from room temperature, and heating the esterification mixture.

ZHANG X

Preparing high-purity m-xylene comprises e.g. contacting the mixed xylene with the adsorbent, discharging the raffinate, then contacting the desorbent with the adsorbed adsorbent, mixing the first part of m-xylene with the second part of m-xylene, cooling, crystallizing, and washing.

XIE P, YAN C, MENG L, FANG X, PAN Y, LI Z, XU X, LIU X

Removing fluorine-containing olefin in hexafluorobutadiene comprises using graphene oxide-doped Hong Kong University of Science and Technology adsorption material as adsorbent and introducing hexafluorobutadiene gas containing fluorine-containing olefins at adsorption temperature.

LIU W, WU J, DU X, ZENG Q, HE S, ZHANG J, BAI Z, MIAO G

Improving extraction rate of resveratrol in peanut root, comprises crushing peanut root, obtaining peanut root powder, inoculating strain, culturing, adding ethanol solution, centrifuging mixed solution, collecting supernatant and performing low-temperature vacuum evaporation.

TIAN Y, GUO J, TIAN H, WANG A, HE D, LI Z, ZHANG L

Producing ultra-clean high-purity acetone by mixing industrial acetone and hydrazine aqueous solution, forming low-boiling azeotrope, performing rectification separation, hydrolyzing acetone azine, separating and performing adsorption dehydration treatment using graphene composite molecular sieve.

TANG X, HE K, GE S

Preparing high dispersion metal or metal oxide doped adsorbent comprises using porous metal oxide or two-dimensional material as carrier, loading metal organic polyhedron, and performing reduction or oxidation reaction.

SUN L, GU M, LIU X, LI Y

Composition useful for separating ethane and ethylene, comprises pores and carbon structure having single layer of graphene with pore.

CHANG J S, LEE S, UHWANG L, YOON J W, CHO G H

Adsorbent comprises a carbon-based mesoporous active carrier, where active carrier is prepared by mixing raw materials including sludge, mesoporous molecular sieve, graphene, aminosilane, and aromatic carboxylic acid.

YU G, YE J, LENG B, JIN Z, HE X, DONG Y, ZHANG H

Purifying chromatographic n-heptane by adding n-heptane to UV irradiation reactor, using strong oxidizability of generated hydroxyl radical to oxidize and decompose impurities and removing impurities using chitosan-graphene oxide material.

ZHANG J, SONG J

Chemical adsorbent for purifying co-oxidation co-produced tert-butyl alcohol comprises manganese oxide and/or titanium oxide and doped metal element loaded on carrier prepared from coal slag, activated carbon and graphene.

YU G, WANG Y, YE J, WANG L, BIAN X, ZHANG H, HUA W