工业废水与半焦配煤制浆研究
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顾思云,何其慧,王溢华,田万成,刘志勇,胡柏星
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Study on preparation of industrial wastewater⁃semicoke⁃coal⁃slurry
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Siyun Gu,Qihui He,Yihua Wang,Wancheng Tian,Zhiyong Liu,Baixing Hu
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表1 煤和半焦的基础分析结果
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Table 1 Basic analyses of coal and semicoke
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分析项目 | 陕西半焦 | 榆林煤 | 大同煤 | 准东煤 | 全 水 (wt%) | 6.83 | 14.21 | 13.57 | 13.84 | 内 水 (wt%) | 3.63 | 5.22 | 5.46 | 6.14 | 干基灰分 (wt%) | 10.53 | 13.23 | 14.07 | 13.62 | 干基挥发分 (wt%) | 4.52 | 32.69 | 30.11 | 31.59 | 干基硫分 (wt%) | 0.23 | 0.41 | 0.46 | 0.54 | 固定碳 (wt%) | 71.55 | 53.73 | 51.45 | 51.42 | 哈氏可磨性指数 | 103.7 | 67.3 | 55.7 | 81.4 | 干基高位发热量 (MJ·kg-1) | 27.29 | 27.72 | 28.06 | 27.82 | 干基低位发热量 (MJ·kg-1) | 25.74 | 26.22 | 26.13 | 26.43 | 堆密度 (g·cm-3) | 0.573 | 0.729 | 0.708 | 0.725 | 真密度 (g·cm-3) | 1.486 | 1.342 | 1.314 | 1.331 | 比表面 (m2·g-1) | 80.58 | 2.67 | 3.43 | 2.98 | 灰熔点 (℃) | DT | 1133 | 1208 | 1175 | 1184 | ST | 1164 | 1224 | 1199 | 1207 | HT | 1196 | 1253 | 1233 | 1246 | FT | 1257 | 1281 | 1262 | 1269 | 溶出物pH | 7.34 | 7.05 | 7.12 | 7.06 | 溶出物电导率 (mS·cm-1) | 0.323 | 0.633 | 0.641 | 0.670 |
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