Activation characteristics comparison of activated carbons prepared from biomass and lignite

LI Dong; WANG Yin; YANG Juan; YAO Changbin; SU Hong; XU Guangwen

doi:10.3969/j.issn.0438-1157.2013.09.036

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Activation characteristics comparison of activated carbons prepared from biomass and lignite

更新时间：2025-12-10

- Activation characteristics comparison of activated carbons prepared from biomass and lignite
- CIESC Journal Issue 9, Pages: 3338-3347(2013)
- 作者机构：
  
  1. 烟台大学环境与材料工程学院,山东,烟台,264005
  2. 中国科学院过程工程研究所多相复杂系统国家重点实验室,北京,100190
  3. 中国科学院城市环境研究所,福建,厦门,361021
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.09.036
  CLC： Q424.1
- Online First：05 September 2013，
  
  Published：05 September 2013
- 稿件说明：
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LI Dong, WANG Yin, YANG Juan, et al. Activation characteristics comparison of activated carbons prepared from biomass and lignite[J]. CIESC Journal, 2013, (9): 3338-3347.
DOI：

LI Dong, WANG Yin, YANG Juan, et al. Activation characteristics comparison of activated carbons prepared from biomass and lignite[J]. CIESC Journal, 2013, (9): 3338-3347. DOI： 10.3969/j.issn.0438-1157.2013.09.036.

摘要

分别以稻壳、木屑及褐煤为原料用水蒸气活化法制备了活性炭

比较了所得活性炭的吸附性能和炭化料的反应活性

探明了造成不同原料活化特性差异的原因。结果表明

活化过程中生物质原料的反应活性优于褐煤

炭化料的活化速率遵循脱灰稻壳>木材炭化料>稻壳炭化料>褐煤炭化料。通过对炭化料进行元素分析、气化反应活性分析、BET、SEM、XRD、FTIR、XPS等物理和化学性质的表征

揭示了不同原料表现出不同活化特性的原因。结果表明

在相同炭化和活化条件下

原料挥发分越高

灰分越低

炭化料有机含氧量越高

则水蒸气的活化速率越快

更容易在短时间内制备出高性能的活性炭。

Abstract

This work compared the activation reactivities of different carbonized materials to justify the adsorption properties of the activated carbons prepared under the same steam activation conditions but from different raw materials

including rice husk

sawdust and lignite.The results showed that the activation reactivity of biomass feedstock was higher than lignite

and the activation rate of carbonized material varied in a descending order of ash-removed rice husk

sawdust

rice husk and lignite.Characterizing the carbonized materials by ultimate and proximate analysis

BET

SEM

XRD

FTIR

and XPS was performed to clarify further the reason for such different activation characteristics.It was found that the higher the volatile component and organic oxygen and the lower the ash content in the raw material

the easer it would be to produce high quality activated carbon via a short-time activation.

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