The present invention relates to methods for preparing distillate hydrocarbons using slurry hydrocracking SHC. The heavy hydrocarbon feedstock to SHC comprises a liquid coker product, obtained from coking a liquid product e. Coking processes e. See, for example, Meyers, R. Coker gas oils are unfortunately not easily processed according to such conventional methods, due to the significant levels of contaminants e. The conversion of coker gas oils to more salable distillate and naphtha blending components for transportation fuels is therefore associated with a number of drawbacks.
US9109165B2 - Coking of gas oil from slurry hydrocracking - Google Patents
Table of contents for Petroleum refining
This invention relates to a process for upgrading a low value petroleum refinery stream, and more particularly to a process of converting petroleum residuum to distillate products and premium coke. There are many processes available in the petroleum refining art for upgrading heavy, low value petroleum residual oils. Typical of such low value residual oils is the bottoms fraction from a vacuum distillation tower. Such vacuum distillation towers generally are used to further fractionate virgin atmospheric reduced crude oils. In the past, vacuum residuum streams have presented serious disposal problems, as it has been difficult to convert such streams to more valuable products in an economic manner.
Passive acid tar neutralization process. Patent number: Abstract: An improved process for neutralization of acid tars employs a bulk neutralizing agent having a specific gravity greater than that of the acid tar to be neutralized. The bulk neutralizing agent, generally in excess of an amount sufficient to accomplish neutralizing, is spread on top of the acid tar.
Representative methods involve passing a slurry comprising a vacuum column resid, a liquid coker product, and a solid particulate through an SHC reaction zone in the presence of hydrogen to obtain the SHC distillate. In a representative embodiment, vacuum distillation in the SHC product recovery is avoided, thereby eliminating equipment that is often most susceptible to fouling. The present invention relates to methods for preparing distillate hydrocarbons using slurry hydrocracking SHC. The heavy hydrocarbon feedstock to SHC comprises a liquid coker product, obtained from coking a liquid product e.