A multi-stage device for reducing the environmental contaminants in an ISO8217 compliant Feedstock Heavy Marine Fuel Oil involving a core desulfurizing process and an ionic liquid extraction desulfurizing process as either a pre-treating step or post-treating step to the core process. The Product Heavy Marine Fuel Oil is compliant with ISO 8217 for residual marine fuel oils and has a sulfur level has a maximum sulfur content (ISO 14596 or ISO 8754) between the range of 0.05% wt. to 0.5% wt.
一种用于减少符合 ISO8217 标准的原料重质船用燃料油中环境污染物的多级装置,包括一个核心脱
硫工艺和一个
离子液体萃取脱
硫工艺,作为核心工艺的预处理步骤或后处理步骤。产品重质船用燃料油符合 ISO 8217 关于残余船用燃料油的标准,其
硫含量(ISO 14596 或 ISO 8754)的最大值介于 0.05% wt.至 0.5% wt.之间。