EFFECTS OF SLUDGE BLENDING SINTERING ON MINERALIZATION, EMISSION OF FLUE GAS PARTICLES AND DIOXINS

YAO Xinhua; LU Guanghua

doi:10.13205/j.hjgc.202312023

Volume 41 Issue 12

Dec. 2023

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(12): 190-196,157

YAO Xinhua, LU Guanghua. EFFECTS OF SLUDGE BLENDING SINTERING ON MINERALIZATION, EMISSION OF FLUE GAS PARTICLES AND DIOXINS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(12): 190-196,157. doi: 10.13205/j.hjgc.202312023

Citation:

YAO Xinhua, LU Guanghua. EFFECTS OF SLUDGE BLENDING SINTERING ON MINERALIZATION, EMISSION OF FLUE GAS PARTICLES AND DIOXINS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(12): 190-196,157. doi: 10.13205/j.hjgc.202312023

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EFFECTS OF SLUDGE BLENDING SINTERING ON MINERALIZATION, EMISSION OF FLUE GAS PARTICLES AND DIOXINS

doi: 10.13205/j.hjgc.202312023

YAO Xinhua^1,3,
LU Guanghua^{2
,
,}

1. North China Electric Power University, Beijing 102206, China;
2. MCC Energy Saving and Environmental Protection Co., Ltd., Beijing 100088, China;
3. Beijing Jianlong Heavy Industry Group Co., Ltd., Beijing 100070, China

Received Date: 2023-02-08
Available Online: 2024-03-08

Abstract

Abstract

Aiming at the problems of large sludge volume and insufficient disposal capacity in China, this paper systematically studied the new lime drying sludge resource utilization method of sludge blending sintering, and comprehensively studied the influence of different sludge blending amounts on sintering mineralization performance, flue gas particles and dioxins emissions. The research showed that when the amount of sludge was less than 1.8%, the yield and drum index decreased slightly, the change in solid fuel consumption was not significant, and the impact on the quality of mineralization was small; the concentration of PM₁₀ and PM_2.5 discharged from sintering decreased first and then increased, with the increase of sludge mixing amount. The method can significantly reduce the content of K, Na, Pb, Zn, and Cu elements in fine particles can be significantly reduced; the total mass concentration and total toxic equivalent concentration of dioxins decreased slowly and then increased sharply, with the increase of sludge volume. This method can use lime-dried sludge in large volume and at low cost, and have a good potential in real application.
- lime drying sludge,
- sinter,
- particulate matter,
- dioxins,
- mineralization performance

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References(21)

References

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