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Citation: WU Zhongzheng, ZHU Weiju, WANG Dongmei, LI Cun, WU Zhenyu. Preparation of Copper Oxide-Silica Porous Composites and Its Adsorption of Methylene Blue[J]. Chinese Journal of Applied Chemistry, ;2014, 31(9): 1089-1095. doi: 10.3724/SP.J.1095.2014.30543 shu

Preparation of Copper Oxide-Silica Porous Composites and Its Adsorption of Methylene Blue

1.
School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China

Corresponding author: LI Cun,
Received Date: 31 October 2013
Available Online: 13 January 2014
Fund Project: 安徽省高校自然科学研究项目(KJ2009A103,KJ2013A013) (KJ2009A103,KJ2013A013)安徽省自然科学研究项目(11040606M33) (11040606M33)

Mesoporous silica and its copper oxide doped composite materials were synthesized by sol-gel and hydrothermal methods, using polyethylene glycol(PEG) as template. The target products were characterized by FTIR, HRTEM, XRD, BET and so on. The influences of reaction condition, such as copper oxide quality and reaction temperature, on porous structure were investigated in details. The samples used as adsorption material for adsorption of methylene blue(MB) in wastewater were studied. CuO/SiO₂ mesoporous oxide composite has good absorbability of MB. The maximum removal rate reaches 97.17% for 10 mL of 4 mg/L MB solution at pH9 in the presence of 0.015 g sorbent. The process and mechanism of adsorption were also studied.
- sol-gel-hydrothermal method,
- composites,
- porous material,
- adsorption
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