硫自掺杂煤基活性炭制备及其低压CO<sub>2</sub>吸附性能研究

许芸; 刘孜; 周凯; 张晓煜; 张春磊; 陈晓平; 徐静馨

doi:10.12434/j.issn.2097-2547.20250397

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硫自掺杂煤基活性炭制备及其低压CO₂吸附性能研究

更新时间：2026-02-28

- 硫自掺杂煤基活性炭制备及其低压CO₂吸附性能研究
- Study on preparation and CO₂ adsorption performances of sulfur self-doped coal-based activated carbons
- 低碳化学与化工 2026: 1-8.
- 作者机构：
  
  1.国家能源集团科学技术研究院有限公司低碳智能燃煤发电与超净排放全国重点实验室，江苏南京 210023
  2.东南大学能源与环境学院，江苏南京 210096
- 作者简介：
  
  许芸（1981—），硕士，高级工程师，研究方向为大气污染物治理新技术与工程管理，E-mail：12059091@ceic.com。
  徐静馨（1985—），博士，高级工程师，研究方向为电力环保与大气环境治理，E-mail：xjx_0718@163.com。
- 基金信息：
  
  低碳智能燃煤发电与超净排放全国重点实验室开放课题(D2023FK094)
- DOI：10.12434/j.issn.2097-2547.20250397
  中图分类号： TQ424;O643.3
- 收稿：2025-10-11，
  
  修回：2025-11-27，
  
  网络首发：2026-02-28，
- 稿件说明：
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许芸,刘孜,周凯等.硫自掺杂煤基活性炭制备及其低压CO₂吸附性能研究[J].低碳化学与化工,

XU Yun,LIU Zi,ZHOU Kai,et al.Study on preparation and CO₂ adsorption performances of sulfur self-doped coal-based activated carbons[J].Low-Carbon Chemistry and Chemical Engineering,
许芸,刘孜,周凯等.硫自掺杂煤基活性炭制备及其低压CO₂吸附性能研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20250397.

XU Yun,LIU Zi,ZHOU Kai,et al.Study on preparation and CO₂ adsorption performances of sulfur self-doped coal-based activated carbons[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20250397.

摘要

在“双碳”目标推动高效CO

捕集技术发展的背景下，研发具有较好CO

捕集性能、较低再生能耗和较高稳定性的绿色固体吸附材料成为关注重点。以高硫煤（硫质量分数≥ 5%）作为原料，在不引入外界硫源的情况下，使用K

作为活化剂对其进行改性，制备了一系列硫自掺杂煤基活性炭。采用SEM、XRD和FT-IR等对样品的表面形貌、物相组成和表面官能团进行了表征，并研究了样品的低压CO

吸附性能和优选样品的循环稳定性。结果表明，在活化温度为800 ℃、

(碳酸钾):

(脱灰煤样) = 3:1的条件下制得的样品（SAC-K

-3-800）具有良好的织构性质，其比表面积为929.27 m

/g。在25 ℃、CO

分压为0.015 MPa的条件下，AC-K

-3-800的CO

吸附量和CO

吸附选择性分别为0.80 mmol/g和19~23。在10次循环中，AC-K

-3-800表现出较高的循环稳定性。

Abstract

In the context of “carbon peaking and carbon neutrality” goal driving the development of efficient CO

capture technologies

the development of green solid adsorbents with superior CO

capture performance

low regeneration energy consumption and high stability has become a primary research focus. Using high-sulfur coal (sulfur mass fraction ≥ 5%) as the raw material

without introducing any external sulfur sources

it was modified with K

as the activator to prepare a series of sulfur self-doped coal-based activated carbons. The surface morphologies

phase compositions and surface functional groups of the samples were characterized by SEM

XRD and FT-IR. Additionally

the low-pressure CO

adsorption performances of the samples and cyclic stability of the selected sample were evaluated. The results indicat that the sample (SAC-K

-3-800) prepared at activation temperature of 800 ℃ with

(deashed coal) of 3:1 exhibits excellent textural property

achieving specific surface area of 929.27 m

/g. Under conditions of temperature of 25 ℃ and CO

partial pressure of 0.015 MPa

the CO

adsorption capacity and CO

selective adsorption of SAC-K

-3-800 are 0.80 mmol/g and 19 to 23

respectively. Furthermore

AC-K

-3-800 demonstrates high stability over 10 cycles.

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Keywords

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硫自掺杂煤基活性炭制备及其低压CO2吸附性能研究

Study on preparation and CO2 adsorption performances of sulfur self-doped coal-based activated carbons

DOI：10.12434/j.issn.2097-2547.20250397

摘要

Abstract

关键词

Keywords

references

硫自掺杂煤基活性炭制备及其低压CO₂吸附性能研究

Study on preparation and CO₂ adsorption performances of sulfur self-doped coal-based activated carbons