Existence and release of sodium in Zhundong coal: effects of treating temperature and silica additives
被引:11
作者:
Yang, Tao
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Yang, Tao
[1
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Wang, Xuebin
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Wang, Xuebin
[1
]
Tan, Houzhang
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Tan, Houzhang
[1
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Wei, Bo
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Wei, Bo
[1
]
Deng, Shuanghui
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Deng, Shuanghui
[1
]
Zhang, Limeng
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Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Zhang, Limeng
[1
]
Zhang, Huiyan
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机构:
Southeast Univ, Minist Educ, Key Lab Energy Thermal Convers & Control, Nanjing 210096, Jiangsu, Peoples R ChinaXi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
Zhang, Huiyan
[2
]
机构:
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shannxi, Peoples R China
[2] Southeast Univ, Minist Educ, Key Lab Energy Thermal Convers & Control, Nanjing 210096, Jiangsu, Peoples R China
Zhundong coalfield is the largest integrated coal basin in China and has been only recently discovered. Zhundong coal contains a high amount of sodium, which induces severe slagging. In this study, the existence and transformation of alkali and alkali earth metals in Zhundong coal were investigated, and the effects of treating temperature and silica additives were determined. The results show that most of the Na and partial Ca species in raw Zhundong coal and ash were soluble. Sulphates were found in ash and did not decompose until 1,150 degrees C. In the ash prepared at 500 degrees C, a specific amount of MgCa(CO3)(2) was found in the ash and decomposed at >600 degrees C. The release of Na during ashing is mainly attributed to water-soluble Na because of the insignificant change in the acid-soluble and insoluble Na content in ash with increasing treating temperature. Silica additives have an effective function in capturing Na species at high temperatures. With increasing additive mass, the relative content of water-soluble Na is significantly reduced, but more water-insoluble Na is retained in the residual ash.
机构:
China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R ChinaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Dai, Shifeng
Ren, Deyi
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China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R ChinaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Ren, Deyi
Chou, Chen-Lin
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Illinois State Geol Survey Emeritus, Champaign, IL 61820 USAChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Chou, Chen-Lin
Finkelman, Robert B.
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机构:
Univ Texas Dallas, Richardson, TX 75080 USAChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Finkelman, Robert B.
Seredin, Vladimir V.
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机构:
Russian Acad Sci, Inst Geol Ore Deposits Petrog Mineral & Geochem, Moscow 119017, RussiaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Seredin, Vladimir V.
Zhou, Yiping
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机构:
Yunnan Inst Coal Geol Prospect, Kunming 650218, Peoples R ChinaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
机构:
Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
He, Yong
Zhu, Jiajian
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机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Zhu, Jiajian
Li, Bo
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机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Li, Bo
Wang, Zhihua
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Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Wang, Zhihua
Li, Zhongshan
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机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Li, Zhongshan
Alden, Marcus
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机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Alden, Marcus
Cen, Kefa
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机构:
Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
机构:
China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R ChinaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Dai, Shifeng
Ren, Deyi
论文数: 0引用数: 0
h-index: 0
机构:
China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R ChinaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Ren, Deyi
Chou, Chen-Lin
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机构:
Illinois State Geol Survey Emeritus, Champaign, IL 61820 USAChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Chou, Chen-Lin
Finkelman, Robert B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Texas Dallas, Richardson, TX 75080 USAChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Finkelman, Robert B.
Seredin, Vladimir V.
论文数: 0引用数: 0
h-index: 0
机构:
Russian Acad Sci, Inst Geol Ore Deposits Petrog Mineral & Geochem, Moscow 119017, RussiaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
Seredin, Vladimir V.
Zhou, Yiping
论文数: 0引用数: 0
h-index: 0
机构:
Yunnan Inst Coal Geol Prospect, Kunming 650218, Peoples R ChinaChina Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
机构:
Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
He, Yong
Zhu, Jiajian
论文数: 0引用数: 0
h-index: 0
机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Zhu, Jiajian
Li, Bo
论文数: 0引用数: 0
h-index: 0
机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Li, Bo
Wang, Zhihua
论文数: 0引用数: 0
h-index: 0
机构:
Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Wang, Zhihua
Li, Zhongshan
论文数: 0引用数: 0
h-index: 0
机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Li, Zhongshan
Alden, Marcus
论文数: 0引用数: 0
h-index: 0
机构:
Lund Univ, Div Combust Phys, S-22100 Lund, SwedenZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
Alden, Marcus
Cen, Kefa
论文数: 0引用数: 0
h-index: 0
机构:
Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R ChinaZhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China