Preparation, modification and deodorization performance of MCM-41 composite corn stalk

被引：1
作者：
Li, Fen [1 ]
Meng, Fanzhu [1 ]
Hu, Jinguang [2 ]
Yu, Cailian [1 ]
Zhang, Yanping [3 ]
Ge, Baocai [1 ]
机构：
[1] Harbin Univ Sci & Technol, Dept Chem & Environm Engn, Harbin 150040, Heilongjiang, Peoples R China
[2] Univ Calgary, Dept Chem & Petr Engn, Calgary, AB T2N 1N4, Canada
[3] Hebei Univ Technol, Dept Civil Engn, Tianjin 300401, Peoples R China
来源：
JOURNAL OF POROUS MATERIALS | 2022年 / 29卷 / 03期
关键词：
Corn stalk; MCM-41; Modified; Deodorization; ACTIVATED CARBON; H2S REMOVAL; ADSORPTION; BIOGAS; ADSORBENTS; GAS;
D O I：
10.1007/s10934-022-01204-6
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of MCM-41 and corn stalk (SC) composites (SC-MCM-41) were prepared via hydrothermal method. When measured for a SC-MCM-41 with SC/MCM-41 mass ratio of 1:2, the adsorption time of H2S and CH3SH can reach 90 min and 80 min, respectively. Whereas, Cu-SC-MCM-41 with copper content of 12.3% exhibited a longer adsorption time, which was 125 min and 90 min for H2S and CH3SH, respectively. Both SC-MCM-41 and Cu-SC-MCM-41 showed a rough surface with multi-level pore structure dominated by mesopores. Within the composite, the SC and MCM-41 is chemically connected by the C-Si bonds and nitrogen-containing functional groups on the surface. The copper in the Cu-SC-MCM-41 composite mainly exists in the form of CuO and Cu2O. Following H2S and CH3SH adsorption, solid-phase products were deposited on the surface and inside of the Cu-SC-MCM-41 composite, leading to pores blockage with consequent reduction of the adsorption performance.
引用
收藏
页码：759 / 770
页数：12
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