Activated carbons prepared by physical activation from different pretreatments of amazon piassava fibers

被引：15

作者：

Castro, Jonnys Paz ^{[1
,2
]}

Coimbra Nobre, Joao Rodrigo ^{[2
,3
]}

Bianchi, Maria Lucia ^{[4
]}

Trugilho, Paulo Fernando ^{[2
]}

Napoli, Alfredo ^{[5
]}

Chiou, Bor-Sen ^{[6
]}

Williams, Tina G. ^{[6
]}

Wood, Delilah F. ^{[6
]}

Avena-Bustillos, Roberto J. ^{[7
]}

Orts, William J. ^{[6
]}

Tonoli, Gustavo H. D. ^{[2
]}

机构：

[1] Univ Fed Rural Rio de Janeiro, Forest Inst IF, Dept Forest Prod DPF, Seropedica, RJ, Brazil

[2] Univ Fed Lavras, Dept Forest Sci DCF, CP 3037, BR-37200000 Lavras, MG, Brazil

[3] State Univ Para, Dept Technol & Nat Resources DTRN, Belem, PA, Brazil

[4] Univ Fed Lavras, Dept Chem DQI, Lavras, MG, Brazil

[5] CIRAD, Bioprod Res Unit, Biomass, Wood,Energy, Montpellier, France

[6] ARS USDA, Bioprod Res Unit, WRRC, Albany, CA USA

[7] ARS USDA, Hlth Proc Foods Res, WRRC, Albany, CA USA

来源：

JOURNAL OF NATURAL FIBERS | 2019年 / 16卷 / 07期

基金：

美国农业部;

关键词：

Lignocellulosic fibers; CO2; activation; charcoal corona discharge; vegetable fibers; METHYLENE-BLUE; ADSORPTION-KINETICS; AQUEOUS-SOLUTIONS; WATER-ADSORPTION; CELLULOSE; WOOD; EUCALYPTUS; DYE; BIOMASS; EQUILIBRIUM;

D O I：

10.1080/15440478.2018.1442280

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

This study aimed to evaluate the effect of different pretreatments of Amazon piassava (Leopoldinia piassaba) fibers on microstructure, thermal, and physical properties of the ensuing activated carbons (ACs). ACs were prepared from untreated and pretreated piassava fibers by physical activation using CO2 at 800?C. Pretreatments include: mercerization, corona discharge, and removal of extractives. Scanning electron micrographs showed the formation of nanoscale pores after the activation process of the charcoal. ACs from pretreated piassava fibers presented lower crystallinity and higher thermal stability than the untreated sample. ACs from Amazon piassava fibers are potential adsorbent materials for a myriad of applications.

引用

页码：961 / 976

页数：16

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