The antifoulants SFH for hydrotreating unit were developed on the basis of the analysis of the processing feed and the deposit in heat exchanger.

• 通过对加氢裂化原料和原料换热器垢样的分析,开发了SFH型加氢防垢剂,并在三种不同类型的加氢装置上进行了工业应用。