Modification of Activated Carbon for the Adsorption of Humic Acid

被引：21

作者：

Eustaquio, H. M. B. ^{[1
,2
]}

Lopes, Christian W. ^{[2
]}

da Rocha, Rafael S. ^{[2
]}

Cardoso, Brena D. ^{[2
]}

Pergher, Sibele B. C. ^{[2
]}

机构：

[1] Univ Fed Rio Grande do Norte, Lab Peneira Mol LABPEMOL, BR-59078970 Natal, RN, Brazil

[2] Univ Fed Rio Grande do Norte, Programa Posgrad Ciencia & Engn Mat PPGCEM, BR-59078970 Natal, RN, Brazil

来源：

ADSORPTION SCIENCE & TECHNOLOGY | 2015年 / 33卷 / 02期

关键词：

LAYERED DOUBLE HYDROXIDE; AQUEOUS-SOLUTION; REMOVAL; SUBSTANCES; ADSORBENT; KINETICS; WATER;

D O I：

10.1260/0263-6174.33.2.117

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Commercial activated carbon treated with sulphuric and phosphoric acids was used to remove humic acids (HAs) from water. To achieve this goal, the iodine indices of treated and untreated materials were characterized by X-ray diffraction and nitrogen physisorption. Adsorption assays for HAs evaluated the quantities adsorbed after a fixed time. Temporal evolution of HA adsorption was determined from the adsorption kinetics. Experimental results indicated that the sulphuric acid treatment was more efficient and had a higher HA adsorption at each time point evaluated. Evaluating the specific area helped to verify this fact, reflecting the number of mesopores in the used material.

引用

页码：117 / 126

页数：10

共 32 条

[1] Influence of pH and ionic strength on removal processes of a sedimentary humic acid in a suspension of vermiculite [J].

Abate, G ;

Masini, JC .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2003, 226 (1-3) :25-34

[2] Adsorption study of anionic reactive dye from aqueous solution to Mg-Fe-CO3 layered double hydroxide (LDH) [J].

Ahmed, I. M. ;

Gasser, M. S. .

APPLIED SURFACE SCIENCE, 2012, 259 :650-656

[3] Fractionation of humic acids upon adsorption on montmorillonite and palygorskite [J].

Alekseeva, T. V. ;

Zolotareva, B. N. .

EURASIAN SOIL SCIENCE, 2013, 46 (06) :622-634

[4] Surfactant-modified bentonite as adsorbent for the removal of humic acid from wastewaters [J].

Anirudhan, T. S. ;

Ramachandran, M. .

APPLIED CLAY SCIENCE, 2007, 35 (3-4) :276-281

[5] Sorption of humic acid on zeolitic tuff: a preliminary investigation [J].

Capasso, S ;

Salvestrini, S ;

Coppola, E ;

Buondonno, A ;

Colella, C .

APPLIED CLAY SCIENCE, 2005, 28 (1-4) :159-165

[6] Preparation of activated carbons previously treated with sulfuric acid -: A study of their adsorption capacity in solution [J].

Cuerda-Correa, E. M. ;

Diaz-Diez, M. A. ;

Macias-Garcia, A. ;

Ganan-Gomez, J. .

APPLIED SURFACE SCIENCE, 2006, 252 (17) :6042-6045

[7] Condensed aromatic rings and E4/E6 ratio:: Humic acids in gleysoils studied by NMR CP/MAS 13C, and dipolar dephasing. [J].

da Costa Saab, Sergio ;

Martin-Neto, Ladislau .

QUIMICA NOVA, 2007, 30 (02) :260-263

[8] A study of the factors affecting the removal of humic acid by activated carbon prepared from biomass material [J].

Daifullah, AAM ;

Girgis, BS ;

Gad, HMH .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2004, 235 (1-3) :1-10

[9] Humic acid adsorption onto Mg/Fe layered double hydroxide [J].

Gasser, M. S. ;

Mohsen, H. T. ;

Aly, H. F. .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2008, 331 (03) :195-201

[10] Evidence of textural modifications of an activated carbon on liquid-phase oxidation treatments [J].

Gil, A ;

delaPuente, G ;

Grange, P .

MICROPOROUS MATERIALS, 1997, 12 (1-3) :51-61

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