Structure and adsorption properties of sewage sludge-derived carbon with removal of inorganic impurities and high porosity

被引：126

作者：

Zou, Jinlong ^{[1
,2
]}

Dai, Ying ^{[1
,3
]}

Wang, Xue ^{[2
]}

Re, Zhiyu ^{[1
]}

Tian, Chungui ^{[1
]}

Pan, Kai ^{[1
]}

Li, Sen ^{[4
]}

Abuobeidand, Mahmoud ^{[4
]}

Fu, Honggang ^{[1
]}

机构：

[1] Heilongjiang Univ, Key Lab Funct Inorgan Mat Chem, Minist Educ Peoples Republ China, Sch Chem & Mat Sci, Harbin 150080, Peoples R China

[2] Heilongjiang Univ, Sch Chem & Mat Sci, Coll Heilongjiang Prov, Key Lab Chem Engn Proc & Technol High Efficiency, Harbin 150080, Peoples R China

[3] Heilongjiang Inst Technol, Sch Civil Engn, Harbin 150050, Peoples R China

[4] Univ Kitakyushu, Grad Sch Environm Engn, Tobata Ku, Kitakyushu, Fukuoka 8040082, Japan

来源：

BIORESOURCE TECHNOLOGY | 2013年 / 142卷

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Adsorption; Carbon; Organic pollutant; Sewage sludge; Wastewater treatment; WASTE-WATER TREATMENT; ADSORBENTS; PYROLYSIS; OPTIMIZATION; EQUILIBRIUM; TEMPERATURE; PRECURSORS; LEAD(II); OIL;

D O I：

10.1016/j.biortech.2013.04.064

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Purified sludge carbon (PSC) with removal of inorganic 'impurities' (Si, Al, etc.) is prepared from sewage sludge. Morphological structure, textural properties, surface elements and functional groups of sludge carbon (SC) and PSC are compared. S-BET and pore volume of PSC are about three times higher than those of SC. PSC with large fluffy cavities remains some memory of SC parent structure. Removed fractions can be considered as a natural template for producing a hierarchical porous structure in PSC. Abundant oxygen-containing groups including hydroxyl and epoxide are generated in PSC, which are favorable for organic contaminant removal from wastewater. Diffraction peaks at 2 theta = 45 degrees, bending modes of Si-O-Si and Na1s peaks (1070.5 eV) jointly confirm that only a trace of adsorbed impurities (Na2O center dot(SiO2)(x) (x >= 1)) is retained on PSC surface. PSC is superior to SC and comparable to commercial activated carbon for rhodamine B and phenol adsorption capacity. (C) 2013 Published by Elsevier Ltd.

引用

页码：209 / 217

页数：9

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