单项选择题对合成氨用煤的固定碳含量FCd(二级)应满足下列要求()
A.≥75.0%
B.大于72.0%~75.0%
C.大于68.0%~72.0%
D.大于65.0%~68.0%
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1.单项选择题对合成氨用煤的固定碳含量FCd(一级)应满足下列要求()
A.≥75.0%
B.大于72.0%~75.0%
C.大于68.0%~72.0%
D.大于65.0%~68.0%
2.单项选择题对合成氨用煤的全硫含量St,d(三级)应满足下列要求()
A.≤0.50%
B.0.51%~1.00%
C.大于1.00%~1.50%
D.大于1.50%~1.60%
3.单项选择题对合成氨用煤的全硫含量St,d(二级)应满足下列要求()
A.≤0.50%
B.0.51%~1.00%
C.大于1.00%~1.50%
D.大于1.50%~1.60%
4.单项选择题对合成氨用煤的全硫含量St,d(一级)应满足下列要求()
A.≤0.50%
B.0.51%~1.00%
C.大于1.00%~1.50%
D.大于1.50%~1.60%
5.单项选择题对合成氨用煤的三级灰分Ad应满足下列要求()
A.≤15.00%
B.大于15.00%~19.00%
C.大于19.00%~24.00%
D.大于24.00%~25.00%
6.单项选择题对合成氨用煤的二级灰分Ad应满足下列要求()
A.≤15.00%
B.大于15.00%~19.00%
C.大于19.00%~24.00%
D.大于24.00%~25.00%
7.单项选择题对合成氨用煤的一级灰分Ad应满足下列要求:()
A.≤15.00%
B.15.00%~19.00%
C.19.00%~24.00%
D.24.00%~25.00%
8.单项选择题对合成氨用煤,要求含矸率应在()以下
A.2.0%
B.3.0%
C.4.0%
D.5.0%
9.单项选择题对合成氨用煤,要求有亚中块煤的限下率不大于()
A.12%
B.15%
C.16%
D.18%
10.单项选择题对合成氨用煤,要求中块煤的限下率不大于()
A.12%
B.15%
C.16%
D.18%