Production method of needle coke
A production method and needle coke technology, applied in coke ovens, coking carbonaceous materials, petroleum industry, etc., can solve the problems of high cost and large investment, and achieve the effects of low cost, expansion of sources and high yield
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[0034] In the embodiment, all experiments use the same raw material oil, aiming to compare the effects under different operating conditions. The properties of conventional coking feedstock oil and FCC slurry used in the experiment are shown in Table 1, and the experimental conditions and results are shown in Table 2.
[0035] Table 1 The properties of the feedstock oil used in the examples
[0036] raw material FCC slurry Conventional Coker Raw Oil Density(20℃) / kg·m -3 1.0058 0.998 Viscosity(100℃) / mm 2 ·s 1 10.00 700 Freezing point / ℃ 34 50 Carbon residue, % (mass fraction) 7.10 16.2 Ash content, % (mass fraction) 0.372 0.06 S, % (mass fraction) 0.53 0.55 N / μg·g -1 4678 8841 C,% 88.44 87.36 H, % (mass fraction) 8.90 11.21 Four components, % (mass fraction)
Saturation 32.1 24.5 Aroma 54.2 28.9 colloid 13.2 39.7 Asphaltenes 0.5 6.9 Metal composition / μg·g -...
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