INFLUENCE MECHANISM OF ABRASIVE RESISTANCE OF ACTIVATED CARBON FOR FLUE GAS PURIFICATION

LI Xiaolong; ZHANG Tao; ZHAO Jingchen

doi:10.13205/j.hjgc.202305007

Volume 41 Issue 5

May 2023

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LI Xiaolong, ZHANG Tao, ZHAO Jingchen. INFLUENCE MECHANISM OF ABRASIVE RESISTANCE OF ACTIVATED CARBON FOR FLUE GAS PURIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(5): 45-51,60. doi: 10.13205/j.hjgc.202305007

Citation:

LI Xiaolong, ZHANG Tao, ZHAO Jingchen. INFLUENCE MECHANISM OF ABRASIVE RESISTANCE OF ACTIVATED CARBON FOR FLUE GAS PURIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(5): 45-51,60. doi: 10.13205/j.hjgc.202305007

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INFLUENCE MECHANISM OF ABRASIVE RESISTANCE OF ACTIVATED CARBON FOR FLUE GAS PURIFICATION

doi: 10.13205/j.hjgc.202305007

1. Engineering Technology Research Center of Zhongye Changtian International Engineering Co., Ltd, Changsha 410205, China;
2. Hunan Provincial Key Laboratory of Synergetic Control and Resource Utilization of Flue Gas Multi-pollutants, Changsha 410205, China;
3. School of Environment and Natural Resources, Renmin University of China, Beijing 100872, China

Received Date: 2022-09-19

Abstract

Abstract

The wear resistance of activated carbon used for flue gas purification is of great significance for its production formula, process control, and efficient and stable operation of flue gas purification engineering. In order to study the influence mechanism of the abrasive resistance of activated carbon used in purifying the flue gas from iron and steel sintering, eight groups of activated carbon from different batches were selected to conduct the abrasive resistance test for improving the test time, and the activated carbon was characterized by SEM, XRD, Raman, N₂ adsorption-desorption and FT-IR test techniques. The relationship between the abrasive resistance of activated carbon and its macro aggregation state, micro crystal structure, pore structure and surface functional groups was studied. The results showed that the abrasive resistance of activated carbon was negatively correlated with the content of fine particles on the surface, the volume of mesoscopic pores in the range of 2 nm to 50 nm and the content of aphanitic graphite crystals in the particles, and positively correlated with the number of strong polar hydroxyl groups on the surface.
- activated carbon,
- abrasive resistance,
- graphite,
- open pores,
- functional group

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References(31)

References

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