Ash sintering and fusion characteristics are closely associated to ash-related issues. The effects of peanut hull (PH) ash on the initial sintering and fusion temperatures of high melting coal (Jiaozuo coal (JC) and Huolinhe coal (HC)) ashes were investigated. The formations of anorthite and adularia were responsible for the initial sinterings of JC and HC ashes, respectively. The increasing PH ash mass ratio caused the initial sintering temperatures (ISTs) of PH/coal ash mixtures to decrease continuously. Low ratio of PH ash addition (<20%) decreased the IST due to the generations of low melting point (MP) potassium silicates, while high ratio of PH ash addition (30%-50%) decreased the IST owing to the melting of sylvite and the formations of new mineral phases (e.g., adularia, potassium sulfide, and diopside). When the PH ash content was <20%, the decrease in mullite and the increases in K-feldspar and albite greatly decreased the ash fusion temperature (AFT) of JC/PH ash mixture. The eutectic of leucite and Ca-containing silicates led to gradual decrease in the AFT of JC/PH ash mixture after 20% PH ash addition. For HC/PH ash mixture, the decrease and increase in AFT before and after the minimum were mainly ascribed to the increasing contents of low MP K-feldspar and high MP leucite, respectively. (C) 2020 Energy Institute. Published by Elsevier Ltd. All rights reserved.
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Hui, Shi'en
;
Lv, Yuan
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Lv, Yuan
;
Niu, Yanqing
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Niu, Yanqing
;
Kan, Haoyong
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Ningxia Univ, Coll Chem & Chem Engn, State Key Lab High Efficiency Utilizat Coal & Gre, Yinchuan 750021, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Kan, Haoyong
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Wang, Denghui
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Wang, Denghui
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Li, Ping
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Ningxia Univ, Coll Chem & Chem Engn, State Key Lab High Efficiency Utilizat Coal & Gre, Yinchuan 750021, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Hangzhou Dianzi Univ, Inst Energy Utilizat & Automat, Hangzhou, Zhejiang, Peoples R ChinaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Jing, Nijie
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Zhu, Mingming
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, AustraliaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Zhu, Mingming
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Shen, Guoqing
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing, Peoples R ChinaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Shen, Guoqing
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Wang, Qinhui
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou, Zhejiang, Peoples R ChinaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Wang, Qinhui
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Zhang, Dongke
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, AustraliaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
Jing, Nijie
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Wang, Qinhui
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
Wang, Qinhui
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Luo, Zhongyang
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
Luo, Zhongyang
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Cen, Kefa
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Hui, Shi'en
;
Lv, Yuan
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Lv, Yuan
;
Niu, Yanqing
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Niu, Yanqing
;
Kan, Haoyong
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Ningxia Univ, Coll Chem & Chem Engn, State Key Lab High Efficiency Utilizat Coal & Gre, Yinchuan 750021, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Kan, Haoyong
;
Wang, Denghui
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
Wang, Denghui
;
Li, Ping
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Ningxia Univ, Coll Chem & Chem Engn, State Key Lab High Efficiency Utilizat Coal & Gre, Yinchuan 750021, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Thermal Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
机构:
Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Hangzhou Dianzi Univ, Inst Energy Utilizat & Automat, Hangzhou, Zhejiang, Peoples R ChinaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Jing, Nijie
;
Zhu, Mingming
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, AustraliaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Zhu, Mingming
;
Shen, Guoqing
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing, Peoples R ChinaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Shen, Guoqing
;
Wang, Qinhui
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou, Zhejiang, Peoples R ChinaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
Wang, Qinhui
;
Zhang, Dongke
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Univ Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, AustraliaUniv Western Australia, Ctr Energy M473, 35 Stirling Highway, Crawley, WA 6009, Australia
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
Jing, Nijie
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Wang, Qinhui
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
Wang, Qinhui
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Luo, Zhongyang
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China
Luo, Zhongyang
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Cen, Kefa
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Zhejiang, Peoples R China