Cheyenne is a renewable diesel plant developed by converting and existing refinery in Cheyenne, WY in the US.
The plant is owned and operated by HF Sinclair
90 mg/y capacity
$150M project cost
Fluor provided engineering design
Two unites were converted: distillate hydrotreater (for n-paraffin covnersion) and naphtha hydrotreater (for isomerization of n-paraffins to improve cold flow properties).
2020 - Existing refinery ceased processing crude oil
2022 - Completion of conversion to renewable diesel