Table 2. Proximate Analysis and Sulfur form of Coal (%)a.
samples | Mad | Ad | Vdaf | St,d | Sp,d | Ss,d | So,d |
---|---|---|---|---|---|---|---|
YQ9-BC | 0.81 | 15.24 | 9.52 | 3.15 | 2.29 | 0.00 | 0.86 |
YQ9-SB | 0.72 | 26.56 | 16.77 | 4.76 | 3.39 | 0.01 | 1.37 |
YQ15-BC | 0.67 | 9.92 | 9.66 | 4.34 | 1.92 | 0.08 | 2.35 |
GZ9-DC | 1.13 | 21.00 | 9.94 | 1.20 | 0.91 | 0.10 | 0.19 |
GZ9-SD | 0.96 | 17.85 | 12.18 | 1.11 | 0.85 | 0.04 | 0.22 |
GZ9-BC | 0.88 | 12.83 | 11.16 | 4.59 | 4.02 | 0.03 | 0.54 |
M, moisture; A, ash yield; V, volatile matter; St, total sulfur; Sp, pyrite sulfur; Ss, sulfate sulfur; So, organic sulfur; ad, as-received basis; d, dry basis; and daf, dry and ash-free basis.