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RMC Hydrocracking Technology

  • Introduction
  • Technical Characteristics

Introduction

RMC developed by SINOPEC is a hydrocracking technology under medium pressure. The feedstock of RMC can be VGO or mixture of VGO and CGO or LCO. RMC is applied in producing heavy naphtha with high potential aromatic content, clean diesel with high cetane number and sweet unconverted oil used as ethylene cracking or lubricant base oil feedstocks.
The catalysts used for RMC include hydrofining catalyst with good denitrification and aromatics saturation performance, and hydrocracking catalyst with high selectivity and stability. These two types of catalysts can relieve the decrease of the HDN and HDA reaction rate caused by the lower H2 pressure.
RMC II, the second generation of RMC, improves the feedstock adaptability for inferior oil, and reduces the BMCI value of unconverted oil. Operation flexibility of RMC II is improved as well.

Technical Characteristics

1. Operation Flexibility
RMC presents good operation flexibility. Different product schemes can be realized by adjusting operating conditions and products cutting schemes. According to the refiners’ needs, optimized parameters are chosen to obtain the maximum naphtha, maximum kerosene, maximum diesel or maximum unconverted oil yield.
2. Feedstock Adaptability
With the presence of the high performance catalysts at medium pressure, RMC can process the feedstocks similar to that processed using high pressure hydrocracking technology, including VGO or mixture of VGO or CGO and/or LCO.
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