Novel catalysts for hydrodesulfurization and hydrodenitrogenation of heavy bitumen under mild conditions

为了解决重质沥青商业化使用和对环境有害的硫、氮含量的严格监管限制所带来的关键问题，提出了开发新的原油升级催化剂的建议。高硫/高氮沥青的深度脱硫/脱氮是精炼燃料和石化产品竞争性生产所必需的，在目前的催化剂技术下是资本密集型和不可持续的能源密集型。低压沥青加氢处理可以解决这些问题，但对于传统的散装金属硫化物催化剂来说，几乎没有更多的改进。与低压催化脱氮相关的问题与阿尔伯塔省油砂资源生产的沥青升级特别相关。

New catalyst development for upgrading of crude oil is proposed, to address critical issues pertinent to the commercial use of heavy bitumen and the stringent regulatory limitations on environmentally damaging sulfur and nitrogen content. Deep desulfurization/denitrogenation of high sulfur/nitrogen bitumen, necessary for the competitive production of refined fuels and petrochemicals, is capital-intensive and unsustainably energy-intensive with current catalyst technology. Low pressure bitumen hydrotreating can address such problems, but little more than incremental improvements can be anticipated from traditional bulk metal sulfide catalysts. The problems associated with low pressure catalytic denitrogenation is particularly relevant to upgrading the bitumen produced from Alberta's oilsands resource.