Sulphur retention and insitu preparation of metal sulphide catalysts ...
1. Introduction. Petroleum coke, or petcoke, is a carbon rich (>∼80 wt%) byproduct from oil refining and synthetic crude oil production (Hill et al., 2014; Miller, 2015) that has been largely stockpiled on site with global storage increasing at a rate of ∼6 million tonnes per year (Division, 2020).The petcoke in storage has become a major source of environmental pollutants including ...