CN1004192B - 一种制备高活性加氢催化剂的共浸液 - Google Patents

一种制备高活性加氢催化剂的共浸液 Download PDF

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CN1004192B
CN1004192B CN86107828.4A CN86107828A CN1004192B CN 1004192 B CN1004192 B CN 1004192B CN 86107828 A CN86107828 A CN 86107828A CN 1004192 B CN1004192 B CN 1004192B
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impregnating liquor
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CN86107828A (zh
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庄良炜
王明蓉
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Changling Refinery Of Sinopec
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Changling Refinery Of Sinopec
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Abstract

一种用于制备高活性加氢精制催化剂的稳定的共浸液,是含有Mo、Ni和一种碱性钨酸盐(最好是铵盐)或水溶性强的钨酸与磷酸的杂多酸,用本共浸液浸渍Al23载体所制备的Mo-Ni-W-P/Al23催化剂,对石油馏份的加氢脱氮活性,比商业Mo-Ni-P/Al23催化剂高35%,且使用压力较低,由于采用一步浸渍、克服了通常在Mo-Ni-P催化剂上引入第三种金属组分需分两步浸渍带来的缺点,且有一定节能效果。

Description

一种制备高活性加氢催化剂的共浸液
一种工业用于加氢处理催化剂的Mo-Ni-W-P共浸液,属于烃油裂化技术领域,由这种共浸液制备的Mo-Ni-W-P/Al2O3催化剂对石油馏分具有更高的加氢活性,特别是加氢脱氮活性更为显著。
众所周知,为改进Mo-Ni-P/Al2O3催化剂的加氢活性,一般是在Mo-Ni-P/Al2O3催化剂上,用分步浸渍引入铼、锰、铬、锗、铈等第三种金属组分。这种分步浸渍制备催化剂操作繁复,制备周期长,催化剂破损率高,对载体的物化性质有一定损害作用,使催化剂的加氢活性的提高受到了限制,而且脱氮效果不理想。
本发明的目的,是要在Mo-Ni-P/Al2O3催化剂上引入对环状有机化合物加氢能力强,对C-N键断裂有更强活性的钨组份,引入钨组份的方法不是采用分步浸渍,而是采用一步浸渍法。采用一步浸渍法制备出活性组份为Mo-Ni-W-P/Al2O3加氢精制催化剂,其技术关键是要配制出稳定的Mo-Ni-W-P共浸液,所以本发明的主要目的则是选择出合适的钨化合物、各活性组份投料比及其配制条件,从而制备出Mo-Ni-W-P共浸液。
本发明的要点是所制备的共浸液由氧化钼、碳酸镍、磷酸、钨酸盐(最好是铵盐)或水溶性强的钨酸及蒸馏水或脱离子水,在溶解温度90-120℃,溶解时间0.5-6小时条件下配制而成的,各成份的重量投料比分别为:MoO3/WO3为0.8~1.45,MoO3/Ni为4~8,P/MoO3+WO3为0.013~0.10,或P/MoO3为0.022~0.25,在上述条件下配制出的Mo-Ni-W-P共浸液是清亮稳定的,即使把浸渍液放在蒸发皿上,或放在玻璃、金属、陶瓷表面上蒸发,也不会形成结晶或沉淀,而是形成透明胶体膜。
用本发明的Mo-Ni-W-P共浸液,不仅可一步浸渍在Al2O3载体上制成Mo-Ni-W-P/Al2O3加氢精制催化剂,克服现有技术分步浸渍带来的缺点,而且用此共浸液制备的催化剂加氢脱氮活性比Mo-Ni-P/Al2O3催化剂高35%。用本发明制备的催化剂在年处理量为18×104吨加氢精制装置上试用,精制柴油,达到了国家金质奖产品的质量要求,且低于商业Mo-Ni-P催化剂的使用压力。在Mo-Ni-W-P/Al2O3催化剂制备过程中,由于用本发明的浸渍液,只进行一步浸渍,所以节能效果亦为显著。
用本发明Mo-Ni-W-P共浸液制备的催化剂,可对焦化柴油、催化柴油、煤油、石脑油、汽油和循环油、轻重瓦斯油、常压重油、渣油等进行加氢脱硫、脱氮处理。
实施例
把84-85%钨酸铵97.5克,43-45%碳酸镍44.5克,99%氧化钼126克、磷酸36克和400毫升蒸馏水或脱离子混合,然后,在温度90-120℃、溶解0.5~4小时过滤,得到Mo-Ni-W-P共浸液。
焙烧过的Al2O3载体250克,用上述浸渍液,于室温下,接触浸渍,然后,经120-350℃干燥2-4小时,450-520℃焙烧4-6小时,便得到Mo-Ni-W-P/Al2O3催化剂。
在氢压为3922.66Kpa,温度360℃,空速2时-1,氢油比500∶1的条件下,对本发明Mo-Ni-W-P共浸液制得的Mo-Ni-W-P/Al2O3催化剂和现有商业Mo-Ni-P/Al2O3催化剂进行活性评价对比,结果见下表。活性评价时进料为大庆焦化柴油,其主要性质为:
比重 d <math><msup><mi></mi><msub><mi>20</mi></msup><mi>4</mi></msub></math> 0.8241
HK℃ 201
KK℃ 334
硫含量(PPm) 1084
碱性氮含量(PPm) 667
总氮含量(PPm) 854.2

Claims (2)

1、一种用于制备高活性加氢精制催化剂的稳定的共浸液,由氧化钼、碳酸镍、磷酸、钨酸铵盐或水溶性强的钨酸及蒸馏水或脱离子水,在溶解温度90-120℃,溶解时间0.5-6小时条件下配制而成,各成份的重量投料比分别为:MoO3/WO3比为0.8~1.45,MoO3/Ni比为4~8,P/MoO3+WO3比为0.013~0.10,或P/MoO3比为0.022~0.25。
2、权利要求1所述的共浸液,可用于一步浸渍制备Mo-Ni-W-P/Al2O3加氢精制催化剂。
CN86107828.4A 1986-11-07 1986-11-07 一种制备高活性加氢催化剂的共浸液 Expired CN1004192B (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1063104C (zh) * 1996-09-04 2001-03-14 中国石油化工集团公司抚顺石油化工研究院 一种制备加氢裂化催化剂的共浸液
CN1318546C (zh) * 2005-10-26 2007-05-30 长春惠工催化剂有限责任公司 制备加氢精制催化剂的共浸液及其制备方法
CN100421789C (zh) * 2002-08-01 2008-10-01 法国石油公司 在氧化物前体中具有至少部分呈杂多阴离子形式的以第ⅵ族和第ⅷ族金属为基础的催化剂
CN100429294C (zh) * 2005-10-26 2008-10-29 北京三聚环保新材料股份有限公司 加氢精制催化剂及其制备方法

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KR101281134B1 (ko) * 2005-04-21 2013-07-02 리서치 인스티튜트 오브 페트롤리움 프로세싱 시노펙 수소첨가 촉매 및 그의 응용
CN101590430B (zh) * 2009-06-19 2011-10-12 厦门大学 一种加氢裂化催化剂及其制备方法
CN103215069A (zh) * 2013-03-29 2013-07-24 中国海洋石油总公司 一种劣质馏分油加氢改质生产清洁柴油的方法
CN107297223B (zh) * 2016-04-16 2019-08-06 中国石油化工股份有限公司 加氢裂化催化剂及其制备方法
CN106902878A (zh) * 2017-01-23 2017-06-30 姚光纯 一种用于汽油、煤焦油加氢精制脱硫、脱氮的催化剂及其制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1063104C (zh) * 1996-09-04 2001-03-14 中国石油化工集团公司抚顺石油化工研究院 一种制备加氢裂化催化剂的共浸液
CN100421789C (zh) * 2002-08-01 2008-10-01 法国石油公司 在氧化物前体中具有至少部分呈杂多阴离子形式的以第ⅵ族和第ⅷ族金属为基础的催化剂
CN1318546C (zh) * 2005-10-26 2007-05-30 长春惠工催化剂有限责任公司 制备加氢精制催化剂的共浸液及其制备方法
CN100429294C (zh) * 2005-10-26 2008-10-29 北京三聚环保新材料股份有限公司 加氢精制催化剂及其制备方法

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