共查询到19条相似文献,搜索用时 62 毫秒
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多年来馏分油加氢精制催化剂化剂载体的研究结果表明,以含硅的三氯化铝和氮水,在特定条件下成胶,油氨柱成球制备的含硅氧化铝球形载体,具有物相纯,酸强度适中,中孔分布集中,抗压耐磨强度好等特点,是馏分油加氢精制催化剂的理想载体,FH-5A催化剂采用ф1.5-2.5mm的含硅氧化铝球形载体。 相似文献
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《工业催化》2002,10(6):60-60
由中国石化股份公司抚顺石油化工研究院、茂名分公司、金陵分公司共同开发 ,近日通过中国石化股份公司科技开发部组织的催化剂研制及工业应用鉴定。FH 5A加氢精制催化剂可用于高硫直馏原料油、二次加工柴油及干点较高的直馏柴油的深度脱硫 ,具有活性高、原料油适应性强、催化剂制造成本低、工业使用方便等特点。 1999年 11月 ,FH 5A加氢精制催化剂首次在茂名分公司新建 16 0万t/a柴油加氢装置工业应用成功后 ,2 0 0 0年 7月 ,在金陵分公司 14 0万t/a柴油加氢装置实现工业应用。结果表明 ,该催化剂在处理高硫直馏柴油、催化柴油和… 相似文献
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抚顺石油化工研究院开发的FH-98加氢精制催化剂和FC-20临氢降凝催化剂应用于杭州炼油厂的油品精制装置,对混合汽柴油(焦化汽油、焦化柴油、催化柴油、直馏柴油)进行中压加氢降凝精制。工业应用结果表明,加氢催化剂和降凝催化剂的联合使用,降低了其硫氮含量,降低了其凝点,提高了其安定性,生产的加氢精制稳定汽油可作合格化工轻油,加氢精制柴油可作0^#柴油调和组分。较好地解决了焦化汽柴油、催化柴油、直馏柴油的出路问题。 相似文献
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在碳化法拟薄水铝石生产过程中加入磷改性剂制备磷改性拟薄水铝石。考察了磷含量对拟薄水铝石和模式载体的物理性能和酸性能的影响。结果表明,随着磷含量的增加,拟薄水铝石和载体的孔容和比表面积增大,但到一定程度后,孔容和比表面积下降,磷存在最佳加入量。磷改性后的拟薄水铝石和模式载体随着磷含量的增加,弱酸量增加,中强酸量降低,总酸量减少。以磷改性拟薄水铝石和不合磷碳化法拟薄水铝石为原料,制备了不同磷含量的氧化铝载体及催化剂,采用中国石油胜利炼油厂生产的减压蜡油在100mL小型加氢装置上进行评价实验,优化制备出适宜的蜡油加氢处理催化剂。 相似文献
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加氢处理催化剂器外预硫化技术研究与展望 总被引:1,自引:0,他引:1
预硫化是活化氧化态加氢处理催化剂的重要过程。本文着重综述了加氢处理催化剂器外预硫化技术的研究成果并与器内预硫化进行对比。讨论了应用于不同加氢处理技术特别是加氢脱硫过程获得的认识。阐述和分析了主要器外预硫化技术的优缺点以及相关的硫化机理、活性中心模型。最后介绍了作者单位开发的EPRES技术所取得的进展,其技术优势以及在中国的工业化应用。 相似文献
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为解决大庆焦化柴油和重油催化轻柴油产品的安定性和对加氢装置扩能的需要,进行了FH-98型催化剂用于大庆焦化柴油和重油催化轻柴油混合油加氢精制工艺的研究。研究结果表明,FH-98型催化剂对大庆焦化和重油催化混合柴油进行加氢精制,可以生产出0#一等品柴油,能满足加氢装置扩能的需要。 相似文献
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加氢催化剂膨胀床器外预硫化工艺研究 总被引:9,自引:3,他引:6
采用膨胀床对加氢催化剂进行了器外预硫化研究。研究了预硫化工艺条件对加氢催化剂硫化度α的影响。结果表明,α随着硫化温度的增加而增加,但是,烯烃加氢活性在370 ℃时出现最大值。吡啶-TPD表征结果证明,硫化温度高,催化剂的酸性强,而酸性影响催化剂加氢活性。对膨胀床和器内CS2硫化两种方法预硫化的催化剂进行烯烃加氢活性对比,发现膨胀床器外预硫化催化剂α值高、加氢活性好。器外预硫化的适宜工艺条件:硫化时间10 t0,硫化温度370 ℃,床层膨胀率12%。硫化和还原同时进行的催化剂活性高。 相似文献
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Preparation of heavy oil hydrotreating catalyst from spent residue hydroprocessing catalysts 总被引:1,自引:0,他引:1
In recent years, increasing emphasis has been placed on recycling spent hydroprocessing catalysts due to environmental regulations which list them as hazardous waste materials. In the present work, the recycling of spent residue hydroprocessing catalysts that contained high levels of vanadium was investigated by using them in the preparation of active new hydrotreating catalyst after subjecting them to different treatments such as decoking, acid-leaching and hydrothermal treatment. Catalyst extrudates containing different levels of V, Mo and Ni on Al2O3 were prepared by mixing the spent catalyst powder with boehmite in different proportions followed by peptization, kneading and extrusion. The prepared catalyst extrudates were characterized by chemical analysis and surface area and porosity measurements. The HDS and HDM activities of the catalysts were tested using Kuwait atmospheric residue as feed and compared with that of a reference HDM catalyst. Partial leaching of vanadium from the spent catalyst opened up the pores, and the catalyst prepared by mixing the metal-leached spent catalyst (MLSC) with boehmite had higher surface area and pore volume and showed higher hydrotreating activity than that prepared from unleached spent catalyst. Hydrothermal treatment of the spent catalyst increased its porosity and surface area. Catalysts prepared from hydrothermally treated spent catalyst (HTSC) had higher surface area and pore volume and showed higher HDM and HDS activities than that prepared from the spent catalyst without hydrothermal treatment. The catalysts prepared from the treated spent catalysts also exhibited substantially higher HDM and HDS activities than the reference commercial HDM catalyst. The results indicate that spent catalysts containing high levels of vanadium together with Mo and Ni on Al2O3 can be used in the preparation of active HDM/HDS catalysts, and thereby, their environmental problem can be reduced. 相似文献
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以大庆焦化-常顶混合汽油为原料,通过加氢精制工艺条件研究,确定了大庆低压加氢装置的技术改造方案。工业应用结果表明,低压加氢装置采用FH-98催化剂对焦化-常顶混合汽油加氢精制的技术改造是成功的。 相似文献