Tannic acid modified graphene/gelatin porous composite material and preparation method and application thereof

Tannic acid modified graphene/gelatin porous composite material and preparation method and application thereof

The invention belongs to the technical field of dye adsorbents and relates to a tannic acid modified graphene/gelatin porous composite material and a preparation method and application thereof. The preparation method includes the steps of 1), mixing tannic acid, oxidized graphene and deionized water...

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Hauptverfasser: XIONG TIANHUI, JING BEIBEI, LIU HONGYU, ZHOU ZHAOXIANG, LI YUANHANG, LIU CUIYUN, JIAN FANGFANG
Format: Patent
Sprache:chi ; eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator XIONG TIANHUI
JING BEIBEI
LIU HONGYU
ZHOU ZHAOXIANG
LI YUANHANG
LIU CUIYUN
JIAN FANGFANG
description The invention belongs to the technical field of dye adsorbents and relates to a tannic acid modified graphene/gelatin porous composite material and a preparation method and application thereof. The preparation method includes the steps of 1), mixing tannic acid, oxidized graphene and deionized water for reaction at the temperature of 80-90DEG C, and then performing solid-liquid separation to obtain tannic acid modified graphene; 2), mixing the tannic acid modified graphene, gelatin and the deionized water to obtain a tannic acid modified graphene/gelatin mixture; 3), dropping the tannic acid modified graphene/gelatin mixture into ice water to obtain tannic acid modified graphene/gelatin microspheres; 4), subjecting the tannic acid modified graphene/gelatin microspheres and a cross-linkingagent to cross-linking reaction to obtain the tannic acid modified graphene/gelatin porous composite material after freeze drying. The tannic acid modified graphene/gelatin porous composite material has good adsorption effect
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Tannic acid modified graphene/gelatin porous composite material and preparation method and application thereof
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