Investigation of fouling and pressure drop profiles in packed-bed catalytic reactor during hydrotreating of bitumen-derived gas oils
沥青衍生瓦斯油加氢处理过程中填充床催化反应器的结垢和压降曲线研究
基本信息
- 批准号:566954-2021
- 负责人:
- 金额:$ 9.47万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Alliance Grants
- 财政年份:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A prevalent problem associated with the seamless operation of hydrotreating catalytic reactors in the refinery is the issues of fouling and pressure drop growth. These limit the scheduled run lengths of catalytic reactor operation and in severe cases warrant premature shutdowns. The occurrence of submicron metal particles in bitumen-derived gas oils at extremely low concentrations (<100 ppm), can accumulate over extended feed processing times and culminate in significant pressure drop and consequently premature shutdown. Similarly, conjugated olefins can also lead to catalyst deactivation, and fouling in hydrotreater reactors. To gain insight into fouling and the pressure drop profiles associated with hydrotreating of bitumen-derived oils, and to develop appropriate mitigation strategies, a systematic investigation on the fouling mechanism of various foulants present in bitumen-derived gas oils is required. In this proposed work, catalyst fouling, and pressure drop issues due to foulants such as metal fines and conjugated olefins will be studied under industrial conditions in collaboration with Syncrude Canada Ltd. A packed bed hydrotreating reactor that simulates an industrial hydrotreater and actual industrial feeds will be used in studying the issues of foulants. The effects of foulants in the heavy and light gas oils on hydrodesulfurisation and hydrodenitrogenation are also examined. Besides, strategies to minimize foulants deposition on the catalyst bed and reactor body will be investigated by altering the surface acidity of a hydrotreating catalyst, the catalyst pellet morphology, and reactor operating conditions. Additionally, interactive effects of catalyst acidity and process conditions will be investigated along with mathematical modeling of foulants deposition. The proposed outcomes of this project will offer solutions to our industrial partner to mitigate localized zonal fouling, and thus to achieve the desired operating cycle between catalyst regenerations in their Mildred Lake upgrader that produces 350,000 bbl/day of sweet crude oil (SCO) from bitumen oil. In addition, this research will enable other Canadian oil companies to improve the profit margin of SCO production while publishing the project findings.
炼油厂加氢处理催化反应器无缝运行的一个普遍问题是结垢和压降增长问题。这些限制了催化反应器运行的计划运行长度,在严重的情况下需要提前关闭。在沥青衍生气油中,亚微米金属颗粒的浓度极低(< 100ppm),随着进料处理时间的延长,这些颗粒会累积,最终导致显著的压降,从而导致过早停机。同样,共轭烯烃也会导致催化剂失活,并在加氢处理反应器中结垢。为了深入了解与沥青衍生油加氢处理相关的结垢和压降分布,并制定适当的缓解策略,需要对沥青衍生气油中存在的各种污垢的结垢机制进行系统研究。在这项工作中,将与加拿大辛克鲁德有限公司合作,在工业条件下研究催化剂污染和由金属粉和共轭烯烃等污染物引起的压降问题。模拟工业加氢处理装置和实际工业进料的填充床加氢处理反应器将用于研究污染物问题。研究了重油和轻油中杂质对加氢脱硫和加氢脱氮的影响。此外,还将研究通过改变加氢处理催化剂的表面酸度、催化剂颗粒形态和反应器操作条件来减少催化剂床层和反应器体上污垢沉积的策略。此外,还将研究催化剂酸度和工艺条件的相互作用,以及污垢沉积的数学模型。该项目的建议成果将为我们的工业合作伙伴提供解决方案,以减轻局部区域污染,从而实现其Mildred Lake升级装置催化剂再生之间的预期操作周期,该装置每天从沥青油中生产35万桶低硫原油(SCO)。此外,这项研究将使其他加拿大石油公司能够在公布项目结果的同时提高SCO生产的利润率。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Dalai, Ajay其他文献
Mixing and segregation of binary mixtures of biomass and silica sand in a fluidized bed
- DOI:
10.1016/j.partic.2021.01.010 - 发表时间:
2021-03-17 - 期刊:
- 影响因子:3.5
- 作者:
Emiola-Sadiq, Tolu;Wang, Jiachen;Dalai, Ajay - 通讯作者:
Dalai, Ajay
Biodegradation of a surrogate naphthenic acid under denitrifying conditions
- DOI:
10.1016/j.watres.2013.12.016 - 发表时间:
2014-03-15 - 期刊:
- 影响因子:12.8
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Gunawan, Yetty;Nemati, Mehdi;Dalai, Ajay - 通讯作者:
Dalai, Ajay
Ion-exchange resins as catalysts in transesterification of triolein
- DOI:
10.1016/j.cattod.2012.10.013 - 发表时间:
2013-09-01 - 期刊:
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Paterson, Greg;Issariyakul, Titipong;Dalai, Ajay - 通讯作者:
Dalai, Ajay
Effects of promoters (Mn, Mg, Co and Ni) on the Fischer-Tropsch activity and selectivity of KCuFe/mesoporous-alumina catalyst
- DOI:
10.1016/j.apcata.2020.117861 - 发表时间:
2020-10-25 - 期刊:
- 影响因子:5.5
- 作者:
Badoga, Sandeep;Kamath, Girish;Dalai, Ajay - 通讯作者:
Dalai, Ajay
Dalai, Ajay的其他文献
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{{ truncateString('Dalai, Ajay', 18)}}的其他基金
Bioenergy and Environmentally Friendly Chemical Processing
生物能源和环保化学加工
- 批准号:
CRC-2015-00009 - 财政年份:2022
- 资助金额:
$ 9.47万 - 项目类别:
Canada Research Chairs
Process development for conversion of low-value biodiesel glycerol into renewable value-added propylene glycol Phase 1
将低值生物柴油甘油转化为可再生增值丙二醇的工艺开发一期
- 批准号:
566698-2021 - 财政年份:2021
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$ 9.47万 - 项目类别:
Idea to Innovation
Bioenergy And Environmentally Friendly Chemical Processing
生物能源和环保化学加工
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CRC-2015-00009 - 财政年份:2021
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$ 9.47万 - 项目类别:
Canada Research Chairs
Applied Catalysis Research for Renewable Diesel Production and Glycerol Utilization
可再生柴油生产和甘油利用的应用催化研究
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RGPIN-2016-04629 - 财政年份:2021
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Discovery Grants Program - Individual
Bioenergy and Environmentally Friendly Chemical Processing
生物能源和环保化学加工
- 批准号:
1000231095-2015 - 财政年份:2020
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$ 9.47万 - 项目类别:
Canada Research Chairs
Applied Catalysis Research for Renewable Diesel Production and Glycerol Utilization
可再生柴油生产和甘油利用的应用催化研究
- 批准号:
RGPIN-2016-04629 - 财政年份:2020
- 资助金额:
$ 9.47万 - 项目类别:
Discovery Grants Program - Individual
Bioenergy and Environmentally Friendly Chemical Processing
生物能源和环保化学加工
- 批准号:
1000231095-2015 - 财政年份:2019
- 资助金额:
$ 9.47万 - 项目类别:
Canada Research Chairs
Production and Techno-Economic Evaluation of Biocrude Oil and Biochar through Hydrothermal Liquefaction Process
水热液化生物原油和生物炭生产及技术经济评价
- 批准号:
519911-2017 - 财政年份:2019
- 资助金额:
$ 9.47万 - 项目类别:
Collaborative Research and Development Grants
Applied Catalysis Research for Renewable Diesel Production and Glycerol Utilization
可再生柴油生产和甘油利用的应用催化研究
- 批准号:
RGPIN-2016-04629 - 财政年份:2019
- 资助金额:
$ 9.47万 - 项目类别:
Discovery Grants Program - Individual
Production and Techno-Economic Evaluation of Biocrude Oil and Biochar through Hydrothermal Liquefaction Process
水热液化生物原油和生物炭生产及技术经济评价
- 批准号:
519911-2017 - 财政年份:2018
- 资助金额:
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