粉煤灰基正硅酸锂的CO<sub>2</sub>吸附性能研究

江浪博; 李建军; 肖鑫

doi:10.12434/j.issn.2097-2547.20250399

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粉煤灰基正硅酸锂的CO₂吸附性能研究

更新时间：2026-03-11

- 粉煤灰基正硅酸锂的CO₂吸附性能研究
- Study on CO₂ adsorption performance of fly ash-based lithium orthosilicate
- 低碳化学与化工 2026: 1-7.
- 作者机构：
  
  1.四川大学建筑与环境学院，四川成都 610065
  2.四川大学碳中和未来技术学院，四川成都 610207
- 作者简介：
  
  江浪博（2000—），硕士研究生，研究方向为环境工程，E-mail：wavy@stu.scu.edu.cn。
  李建军（1963—），博士，教授，博士研究生导师，研究方向为工业烟气污染物控制与资源化、催化材料、能源回收利用及节能降碳，E-mail：jjli@scu.edu.cn；
  肖鑫（1993—），博士，助理研究员，研究方向为二氧化碳及生物质转化，E-mail：xiaoxin93@scu.edu.cn。
- 基金信息：
  
  国家重点研发计划(2024YFC3712205)
- DOI：10.12434/j.issn.2097-2547.20250399
  中图分类号： TQ424
- 收稿：2025-10-12，
  
  修回：2025-12-07，
  
  网络首发：2026-03-10，
- 稿件说明：
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江浪博,李建军,肖鑫.粉煤灰基正硅酸锂的CO₂吸附性能研究[J].低碳化学与化工,

JIANG Langbo,LI Jianjun,XIAO Xin.Study on CO₂ adsorption performance of fly ash-based lithium orthosilicate[J].Low-Carbon Chemistry and Chemical Engineering,
江浪博,李建军,肖鑫.粉煤灰基正硅酸锂的CO₂吸附性能研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20250399.

JIANG Langbo,LI Jianjun,XIAO Xin.Study on CO₂ adsorption performance of fly ash-based lithium orthosilicate[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20250399.

摘要

为解决Li基高温CO

吸附剂成本高和工艺参数缺乏等问题，以工业固废粉煤灰为主要原料，采用酸浸-柠檬酸溶胶法制备了粉煤灰基正硅酸锂（Li

SiO

-FAL）。采用XRD和SEM等对Li

SiO

-FAL的结构进行了表征，并通过Box-Behnken实验方案结合响应面法研究了吸附温度、脱附温度和CO

流量对Li

SiO

-FAL CO

吸附性能的影响。结果表明，在吸附温度为690 ℃、脱附温度为850 ℃和CO

流量为60 mL/min的条件下，Li

SiO

-FAL表现出最佳的CO

吸附性能，其循环吸附总量为36.52 mg。同时，在不同CO

体积分数（20%~100%）下，Li

SiO

-FAL均可在10次吸/脱附循环中保持稳定。

Abstract

To address the issues of high cost of Li-based high-temperature CO

adsorbents and the lack of process parameters

using industrial waste fly ash as the main raw material

the fly ash-based lithium silicate (Li

SiO

-FAL) was prepared by the acid leaching-lemonic acid sol-gel method. The structure of Li

SiO

-FAL was characterized by XRD

SEM and so on

and the effects of adsorption temperature

desorption temperature and CO

flow rate on the CO

adsorption performance of Li

SiO

-FAL were studied through Box-Behnken experimental scheme combined with response surface method. The results show that under the conditions of adsorption temperature of 690 ℃

desorption temperature of 850 ℃ and CO

flow rate of 60 mL/min

SiO

-FAL exhibits the best CO

adsorption performance

with total cyclic adsorption amount of 36.52 mg. Meanwhile

at different CO

volume fractions (from 20% to 100%)

SiO

-FAL all can remain stable during 10 adsorption/desorption cycles.

关键词

Keywords

references

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粉煤灰基正硅酸锂的CO2吸附性能研究

Study on CO2 adsorption performance of fly ash-based lithium orthosilicate

DOI：10.12434/j.issn.2097-2547.20250399

摘要

Abstract

关键词

Keywords

references

粉煤灰基正硅酸锂的CO₂吸附性能研究

Study on CO₂ adsorption performance of fly ash-based lithium orthosilicate