PREPARATION OF SOLID WASTE-BASED POROUS MATERIALS BY PHYSICAL FOAMING TO CAPTURE AND STORE CO<sub>2</sub>

LÜ Zhiwen; LI Yuqing; YANG Jingjing; CAO Xiaoqiang; ZHANG Jian; LIU Huaqing; WANG Gang

doi:10.13205/j.hjgc.202306006

Volume 41 Issue 6

Jun. 2023

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(6): 38-46

LÜ Zhiwen, LI Yuqing, YANG Jingjing, CAO Xiaoqiang, ZHANG Jian, LIU Huaqing, WANG Gang. PREPARATION OF SOLID WASTE-BASED POROUS MATERIALS BY PHYSICAL FOAMING TO CAPTURE AND STORE CO2[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(6): 38-46. doi: 10.13205/j.hjgc.202306006

Citation:

LÜ Zhiwen, LI Yuqing, YANG Jingjing, CAO Xiaoqiang, ZHANG Jian, LIU Huaqing, WANG Gang. PREPARATION OF SOLID WASTE-BASED POROUS MATERIALS BY PHYSICAL FOAMING TO CAPTURE AND STORE CO₂[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(6): 38-46. doi: 10.13205/j.hjgc.202306006

Citation:

LÜ Zhiwen, LI Yuqing, YANG Jingjing, CAO Xiaoqiang, ZHANG Jian, LIU Huaqing, WANG Gang. PREPARATION OF SOLID WASTE-BASED POROUS MATERIALS BY PHYSICAL FOAMING TO CAPTURE AND STORE CO₂[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(6): 38-46. doi: 10.13205/j.hjgc.202306006

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PREPARATION OF SOLID WASTE-BASED POROUS MATERIALS BY PHYSICAL FOAMING TO CAPTURE AND STORE CO₂

doi: 10.13205/j.hjgc.202306006

1. College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China;
2. Institute of Yellow River Delta Earth Surface Processes and Ecological Integrity, Shandong University of Science and Technology, Qingdao 266590, China;
3. School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China

Received Date: 2023-03-02
Available Online: 2023-09-02

Abstract

Abstract

The Yellow River Basin is China's important ecological barrier and economic zone. The comprehensive utilization of solid waste has a significant synergy effect on saving resources and reducing carbon emissions, and at the same time can ensure the ecological environment protection and high-quality sustainable development of the Yellow River basin. Therefore, using solid waste for mineral storage is an economical and feasible carbon capture and storage technology. This study used blast furnace slag as the raw material, CaO as an alkali activator, and sodium dodecyl sulfate (C₁₂H₂₅NaO₄S, SDS) as a foaming agent to prepare porous materials with high porosity. The optimum preparation conditions of porous materials were obtained as follows:the water-cement ratio was 0.65, alkali activation amount was 12%, and foam content was 6.10%). The porous material prepared under the optimal process conditions can achieve 91.90 kg/m³ CO₂ storage performance, and the actual storage capacity is basically consistent with the theoretical prediction value of 89.39 kg/m³. This study can provide a reference for the feasibility of applying alkaline solid waste materials in the carbon storage field.
- Yellow River Basin,
- solid waste,
- porous material,
- CO₂ storage,
- capture

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References(18)

References

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