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P-Based Additive fo...
P-Based Additive for Reducing Fine Particulate Matter Emissions during Agricultural Biomass Combustion
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- Zhu, Youjian (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China; Zhengzhou University of Light Industry, Zhengzhou, Henan, China
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- Fan, Jiyuan (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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- Yang, Peng (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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- Cheng, Wei (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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- Zeng, Kuo (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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- Zhang, Wennan (författare)
- Mittuniversitetet,Institutionen för kemiteknik
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- Yang, Haiping (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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- Shao, Jingai (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China; Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, Guangdong, China
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- Wang, Xianhua (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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- Chen, Hanping (författare)
- Huazhong University of Science and Technology, Wuhan, Hubei, China
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(creator_code:org_t)
- 2019-11-01
- 2019
- Engelska.
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Ingår i: Energy & Fuels. - : American Chemical Society (ACS). - 0887-0624 .- 1520-5029. ; 33:11, s. 11274-11284
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- To understand the influence of P-containing compounds on particulate matter (PM) emissions from the combustion of agricultural residues, the combustion of cornstalk was performed with the addition of a phosphorus-based additive, namely, ammonium dihydrogen phosphate (NH4H2PO4), in a fixed-bed combustion system. Simultaneously the ash samples, including PM collected by a Dekati low-pressure impactor (DLPI) and residual ash, were analyzed with variant analytical techniques. It was found that NH4H2PO4 addition significantly reduced PM0.1 and PM0.1-1 yields but increased PM1-10 yields. The maximum PM0.1 and PM1 reduction efficiency can reach up to 50% at an optimal P/K molar ratio equal to 1. Meanwhile, the addition of NH4H2PO4 to cornstalk changed the chemical composition of PM1 from being dominated by KCl and KOH/K2CO3 with a small amount of K2SO4 to a system dominated by KPO3 and KCl with a small amount of K2SO4. Simultaneously, the possible PM1 reduction mechanism was proposed. In addition, the residual ash after combustion was rich in K- and P-containing species, indicating a potential utilization as a fertilizer. It showed that the addition of NH4H2PO4 is a promising approach to reduce PM1 emissions during the combustion of agricultural biomass.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
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Zhu, Youjian
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Fan, Jiyuan
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Yang, Peng
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Cheng, Wei
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Zeng, Kuo
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Zhang, Wennan
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Yang, Haiping
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Shao, Jingai
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Wang, Xianhua
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Chen, Hanping
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