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Single-stage Hydrocracking Technology (SHC)

  • Introduction
  • Technical Characteristics

Introduction

Benefiting from accumulated experiences in R&D of high pressure and medium pressure hydrotreating and hydrocracking technologies, SINOPEC single-stage hydrocracking technology (SHC) mainly aims at producing high quality naphtha (used as catalytic reformer feedstock), middle distillates and hydrocracked tail oil (used as ethylene plant feedstock) from VGO/CGO or blends of these oils with DAO.

Technical Characteristics

1. The process can deal with a wide range of feedstocks, including VGO/CGO or mixtures of VGO, CGO, and DAO with EBP ≯ 500 ℃, N ≯ 2000 µg/g.
2. Several process configurations can be applied to achieve the refiner’s process objectives, including once-through operating mode or partially or completely hydocracked tail oil recycling modes.
3. Using graded-bed loading technique, a single hydrocracking catalyst or a combined different functional catalysts can be loaded in one reactor. This technology is featured by simple process scheme, low investment, easy operating and low energy consumption.
4. High liquid yield, especially high middle distillates yield can be obtained.
5. The products obtained are superior in quality: ultra-low-sulfur diesel with high cetane number, jet fuel with high smoke point, naphtha with high potential aromatics as reformer feedstock, and hydrocracked tail oil with low BMCI value as high-quality ethylene plant feedstock.

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