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| 1 | Commercial Application of the Second Generation RHT Catalysts for Hydroprocessing the Residue with Low Sulfur and High Nitrogen Contents显示文摘The RHT technology and the second generation RHT catalysts were applied in design of an 1.7Mt/a VRDS unit at the SINOPEC Changling Branch Co. The commercial application result demonstrated that the RHT catalysts showed good activity and stability in processing low-sulfur and high-nitrogen residue. The first long period run of unit for processing high Fe and high Ca content residue was achieved. The reasons for excessive pressure drop of R-101 were ascribed to Fe and Ca deposition as well as coke formation. | Shao Zhicai Zhao Xinqiang Liu Tao Dai Lishun Nie Hong | 2014 | China Petroleum Processing & Petrochemical Technology2014,16,1: | 11 |
| 2 | Development and Commercial Application of Third Generation Resid Hydrotreating Catalysts显示文摘Based on the mechanism of resid hydrotreating reaction by coordinating the catalyst activity and stability, the diffusion mechanism and catalyst reactivity, the cost and catalyst performance, and the production and application requirements, the third-generation series catalysts for residue hydrotreating have been developed by Research Institute of Petroleum Processing, SINOPEC. The new series RHT catalysts possess higher activity for HDS, HDM and HDCCR performance as well as longer run length. The commercial results for application of these catalysts have demonstrated that the new catalyst system performs better than the reference ones. | Hu Dawei Yang Qinghe Dai Lishun Zhao Xinqiang | 2013 | China Petroleum Processing & Petrochemical Technology2013,15,2: | 6 |
| 3 | Study on Application of Bi-directional Combination Technology Integrating Residue Hydrotreating with Catalytic Cracking RICP显示文摘After analysing the disadvantages of the traditional residue hydrotreating-catalytic cracking combination process, RIPP has proposed a bi-directional combination technology integrating residue hydrotreating with catalytic cracking called RICP which does not further recycles the FCC heavy cycle oil (HCO) inside the FCC unit and delivers HCO to the residue hydrotreating unit as a diluting oil for the residue that is concurrently subjected to hydrotreating prior to being used as the FCC feed oil. The RICP technology can stimulate residue hydrotreating reactions through utilization of HCO along with an in- creased yield of FCC light distillate, resulting in enhanced petroleum utilization and economic benefits of the refinery. | Niu Chuanfeng Gao Yongcan Dai Lishun Li Dadong (Research Institute of Petroleum Processing, Beijing 100083) | 2008 | China Petroleum Processing & Petrochemical Technology2008,10,1: | 5 |
| 4 | Molecular Characterization of Hydrotreated Atmospheric Residue Derived from Arabian Heavy Crude by GC FI/FD TOF MS and APPI FT-ICR MS显示文摘High resolution mass spectrometry in combination with distillation and SARA fractionation provides us an opportunity for in-depth understanding about the hydrotreating process at the molecular level. In this study, the atmospheric residue derived from Arabian heavy crude and its hydrotreated products were initially subjected to distillation and SARA fractionation. The saturates were characterized by GC FI/FD TOF MS. The aromatics and resins were characterized by APPI FT-ICR MS. Compositional changes of different compounds (paraffins, naphthenes, aromatic hydrocarbons, and heteroatomic compounds) contained in different distillates (vacuum gas oil, vacuum residue) were obtained. More detailed knowledge about the hydrotreating process was achieved. | Diao Rui Wang Wei Wang Naixin Liu Zelong Dai Lishun Tian Songbai | 2012 | China Petroleum Processing & Petrochemical Technology2012,14,4: | 4 |
| 5 | A New Kinetic Model for Residue Hydrotreating Based on Chemical Reaction Sections显示文摘New definition of virtual molecular-group components about CH and CH2 is proposed in the paper.The new reaction,hydrogenation of CH to CH2(HDCH),can be used to represent the change of C and H in RHT.By using the lumping approach,the kinetic models about HDCH,HDS,HDN,HDCCR,HDM,HDNi and HDV reactions were established.They are key components of the new kinetic model for RHT based on reaction sections.During the construction of kinetic model,goodness-to-fit(R^2)between test data and model data was set as the target value,and the model parameters were calculated accurately.In verification test,the predicted content of H,S,N,CCR,M,Ni and V can match well with the test data. | Zhang Kui Dai Lishun Nie Hong Shao Zhicai Liu Tao Deng Zhonghuo Han Wei Jia Yanzi | 2020 | China Petroleum Processing & Petrochemical Technology2020,22,2: | 4 |
| 6 | Application of a New Catalyst Deactivation Model for Residue Hydrotreating显示文摘This article reports a new catalyst deactivation model for residue hydrotreating technology(RHT)with three adjustable parameters,named as“active-region-migration model”.The active-region-migration model is proposed to describe the catalyst deactivation of RHT where the catalysts are deactivated due to metal loading.Along with the lumped reaction kinetics,the deactivation model can be applied to simulate the hydrogenation reaction performance in RHT.Industrial data from a commercial RHT unit show reasonably good agreements with the model calculations.Essentially,the active-region-migration model can separately simulate the catalytic-activity change of each hydrogenation reaction during the whole run of RHT,with a single curve. | Zhang Kui Nie Hong Dai Lishun | 2021 | China Petroleum Processing & Petrochemical Technology2021,23,2: | 2 |
| 7 | Study on the Effect of Catalyst Properties on Residue Hydroconversion显示文摘The effect of catalyst properties on residue oil hydroconversion was studied at moderate operating conditions(at a temperature of 400 ℃, an initial hydrogen pressure of 10 MPa, and a reaction time of 4 h) in a batch mode slurry phase with different catalyst samples. The results showed that the catalyst acidity had a good effect on residue conversion and MCR(micro carbon residue) conversion but brought about higher coke yield. Residue conversion was thermally induced but the catalyst acidity changed its conversion route. A catalyst with higher metal loading, higher hydrogenation activity and appropriate pore size had higher sulfur and metal removal rate, higher MCR conversion and also a lower coke formation. The activity of spent commercial catalyst AS1 and DS1 was slightly lower than the corresponding fresh ones but was still high enough for residue oil hydroconversion. It assumes that the role of the catalyst is to activate hydrogen species toward reaction with an aromatic carbon radical to yield a cyclohexadienyl type intermediate which will turn into liquid and also to absorb the mesophase which can easily aggregate to form coke. | Tong Fengya Yang Qinghe Li Dadong Dai Lishun Deng Zhonghuo | 2016 | China Petroleum Processing & Petrochemical Technology2016,18,1: | 1 |
| 8 | Characteristics of Hydrotreating Reaction in VRDS Units Located along the Yangtze River and Overall Solution for Long-cycle Running显示文摘The VRDS feedstock processed in refineries along the Yangtze River has special characteristics, including high Fe and Ca content, and low sulfur and high nitrogen content. Depending upon feedstock properties and operating conditions,some approaches have been developed by the SINOPEC Research Institute of Petroleum Processing(RIPP), which include installing the decalcification facility, developing new guard catalysts and HDCCR catalysts, implementing a new catalyst grading approach, developing a highly efficient distribution technology and applying RICP process in some refineries.The application effects have revealed that the integrated technology, which can be conducive to the long-cycle operation developed by RIPP, can maximize the deposits uptake capacity of the guard reactor and the activity of grading catalysts. | Shao Zhicai Jia Yanzi Dai Lishun Yang Qinghe Nie Hong | 2017 | China Petroleum Processing & Petrochemical Technology2017,19,3: | 1 |
| 9 | Effects of Hydrotreating Severity on Hydrocarbon Compositions and Deep Catalytic Cracking Product Yields显示文摘Residue deep hydrotreating(RDHT)process was developed by the Research Institute of Petroleum Processing(RIPP)to provide high quality feedstock for deep catalytic cracking(DCC)process.In this research work,the effects of RDHT process and reaction severity on heteroatom removal,hydrogen content increase,hydrocarbon composition improvement,and DCC product yields were studied.It was showed that the RDHT process can effectively reduce heteroatoms,increase hydrogen content and improve the hydrocarbon compositions,which can contribute to an increase of light olefins yield in DCC unit. | Deng Zhonghuo Dai Lishun Niu Chuanfeng Jia Yanzi Wei Xiaoli Cai Xinheng | 2021 | China Petroleum Processing & Petrochemical Technology2021,23,3: | 1 |
| 10 | Study on application of hi-directional combination technology integraring residue hydrotreating with catalytic cracking RICP显示文摘 | Niu Chuangfeng Gao Yongcan Dai Lishun | 2008 | China Petroleum Processing & Petrochcmical Technology2008,,1: | 1 |
| 11 | Development and Commercial Application of Resid Hydrotreating Technology--RHT显示文摘The RHT technology is developed by Research Institute of Petroleum Processing (RIPP) for residuum hydrotreating in order to produce good quality RFCC feed. The advantages of the RHT series catalysts are presented in this article, based on the results of activity tests and a 9500 hours service life test in pilot plants and the assessment on a commercial application. | Dai Lishun Yang Qinghe Niu Chuanfeng Nie Hong Shi Yahua (Research Institute of Petroleum Processing, Beijing 100083) | 2004 | China Petroleum Processing & Petrochemical Technology2004,6,3: | 0 |
| 12 | New Model for Calculating Hydrogen Consumption in Residue Hydrotreating显示文摘In this paper,hydrogenation of CH to CH_(2)(HDCH reaction)was employed to simulate the hydrogen consumption during residue hydrotreating,because the pseudo components,CH and CH_(2),can be converted with the content of C and H.Through a pilot-scale experiment,a kinetic model for the HDCH reaction was constructed and it has high accuracy.By analyzing the running data of an industrial-residue hydrotreating unit,the activity change of the HDCH reaction was obtained using the active-region-migration deactivation model.The obtained HDCH activity model has high accuracy,where the frequencies of>10%relative errors are less than 1%for the CH and H contents.The hydrogen consumption model,the coupling of the HDCH kinetic model and the HDCH deactivation model,can be applied to calculate the hydrogen consumption.For case 2,where the hydrogen consumption model is adjusted every 100 days,the calculated data well match the real data compared to case 1,where the hydrogen consumption model is unadjusted over the whole runtime. | Zhang Kui Nie Hong Dai Lishun | 2022 | China Petroleum Processing & Petrochemical Technology2022,24,4: | 0 |
| 13 | R&D and Application of Catalyst for Resid Hydrotreating in Upflow Reactor显示文摘In order to extend the operating cycle of the upflow reactor for resid hydrotreating, the Re- search Institute of Petroleum Processing taking into account the specifics of resid hydrotreating upflow reactor has developed the high-performance RUF series of catalysts suitable for operation in the upflow reactor. The results of commercial application of catalysts revealed that this RUF series of catalysts loaded after optimized grading could effectively remove metals, sulfur and carbon residue from the re-siduum to provide improved oil for the following fixed-bed reactor. In the meantime, the RUF series of catalysts have excellent stability to reach an operating cycle of 1.5 years, resulting in minimization of losses caused by refinery downtime. | Niu Chuanfeng Hu Dawei Dai Lishun Yang Qinghe (Research Institute of Petroleum Processing, Beijing 100083) | 2008 | China Petroleum Processing & Petrochemical Technology2008,10,2: | 0 |
| 14 | Residue Upgrading in Slurry Phase over Ultra-fine NiMo/γ-Al_2O_3 Catalyst显示文摘In this article, residual oil hydroconversion was studied in slurry phase in the presence of fine solid Ni Mo/γ-Al2O3 catalyst and the effects of operating conditions were carefully studied. The results showed that residue conversion was only affected by the reaction temperature and reaction time. The coke yield increased with a higher reaction temperature, a bigger catalyst particle size, a longer reaction time, a lower initial hydrogen pressure and a lower catalyst concentration. Heteroatoms removal rate increased with a higher reaction temperature, a longer reaction time, a higher initial hydrogen pressure, a higher catalyst concentration, and a smaller catalyst particle size. The role of catalyst in the slurry bed technology was discussed and its function could be stated as follows: the metal was applied to activate the hydrogen atoms for removing heteroatoms and saturating aromatics, while the support of the catalyst was used to prevent the mesophase coalescence for reducing coke formation. | Tong Fengya Yang Qinghe Li Dadong Dai Lishun Deng Zhonghuo | 2015 | China Petroleum Processing & Petrochemical Technology2015,17,3: | 0 |