该高压加氢裂化装置的界区从装置过滤器进料罐开始，直到从分馏与脱石脑油段来的产品出料罐为止。
The isbl of this hp hydrocracker unit will start at the unit filter feed vessel and conclude at product rundowns from the fractionation and the naphtha minus section.
在此基础上，提出了两段提升管催化裂化新概念，并分析了其技术优势。
Based on the analysis, the new concept of two-stage riser fluid catalytic cracking (TSRFCC) was proposed, and the advantage of the TSRFCC technology was analyzed.
提升管的进料段是裂化反应最复杂的区域。
The most complex part of RFCC is in the feed injection zone.
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