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NiCeY改性沸石吸附燃料油中二苯并噻吩的研究

Keywords: NiCeY沸石,二苯并噻吩,脱硫吸附

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Abstract:

用NaY沸石制备了负载二元金属Ni和Ce的NiCeY燃料油脱硫吸附剂,并通过静态吸附实验考察了NiCeY沸石对模拟燃油中二苯并噻吩(DBT)的吸附性能。结果表明,在正辛烷/DBT体系中,NiCeY对DBT的吸附平衡时间为2h;剂油比对脱硫率有明显影响,剂油比为0.1g/mL时脱硫率达100%。在正辛烷/DBT/环己烯体系中,吸附剂对DBT吸附量的大小顺序为:NaY<NiY<CeY

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