化肥装置通过增加炭黑闪蒸过滤系统，气化炉完全使用脱油沥青作原料。
The gasification furnace could completely use deoiling asphalt as feedstock after adding carbon black flashing and filtering system in the fertilizer unit.
焦化厂富油脱苯工艺中，管式炉法较蒸汽法节能。
In coking plants, more energy can be saved by tubular furnace process than steam process in the benzene removal from rich oil section.
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