Residue hydrocracking

Products Company and Davison (W.R. Grace) Catalysts) and Hydrocarbon Technologies, Inc. ART provides non-zeolitic catalysts for ebullating residue hydrocracking and fixed bed pretreating HDT [140], A nanoscale iron based, slurry catalyst is recommended for coal liquefaction, while a molecule-sized and chemically in situ generated catalyst is employed for the high conversion of asphaltenic fractions or heavy oils [141],... 

Wang, Z.-X., Zhang, H.-Y. Guo, A.-j., et al., Study on hydrogen donation ability of residue hydrocracking system catalyzed by oil-soluble and water-soluble catalysts. Preprints of Symposia - American Chemical Society, Division of Fuel Chemistry, 1998. 43(3) pp. 530-533. 

Broader commercial application of residue hydrocracking technologies to vacuum residues, especially with ebullating bed processes. 

VGO, vacuum gas oil ARDS, atm. residue desulfurization VGO HCR, vacuum gas oil hydrocracking Residue HCR, residue hydrocracking. 

With present technology it is entirely possible to process the bulk of the crude oil into petrochemicals, and several approaches to this problem have been considered. In this study we consider the approach in which ethylene is produced by conventional steam cracking and the heavy residual petroleum fractions are converted into steam cracker charge by means of residue hydrocracking through the H-Oil process. 

Before considering the economics of this approach to ethylene manufacture, we discuss briefly some of the technical aspects of residue hydrocracking. 

Today, in addition to naphtha, hydrotreaters process kerosene, gas oil, vacuum gas oil, and residue. Hydrocrackers process vacuum gas oil, coker gas oil, visbreaker gas oil, FCC heavy cycle oil, and/or other feeds that boil between 650°F and 1050°F (343°C and 566°C). Most residue hydrocrackers use fluidized bed or ebullated bed technology. 

Feedstock recycling processes of plastics waste have similar requirements to those imposed on processes for upgrading cool and heavy crude-oil residues. Hydrocracking permits the recycling of mixed and/or contaminated plastics. In hydrocracking the heat breaks macromolecules into highly reactive free radicals and... 

Residue Hydrocracking. The catalysts used for HCR should have dual functionality, cracking and hydrogenation (HYD) functions. The process scheme of a typical HCR fixed-bed system contains two reactors ... 

Daniel, M., Lerman, D.B., Peck, L.B. 1988. Amocos LC-fining residue hydrocracker yield and performance correlations from a commercial unit. In NPRA Annual Meeting, San Antonio, TX, March. 

It can be observed from the values of the rate constants that vacuum residue hydrocracking has a higher selectivity toward the heavier lumps at the studied temperatures and that gases are produced only from the vacuum residue. This is not surprising since it has also been observed in catalytic hydrocracking that naphtha... 

Properties of Catalysts Used in Deactivation Studies during Operation of an EBRfor Heavy Residue Hydrocracking... 

It can be observed that vacuum residue hydrocracking has a higher selectivity toward VGO production than toward the other lumps in the following... 

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