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A Lumping Kinetic Model for Catalytic Reforming
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作者 Cheng Guoxiang, Tan Hanshen, Hong Enshan (Fushun Research Institute of Petroleum and Petrochemicals,Fushun 113001) Chen Zhi, Weng Huixin (East China University of Science and Technology,Shanghai 200237) 《石油学报(石油加工)》 EI CAS CSCD 北大核心 1997年第S1期154-158,共5页
ALumpingKineticModelforCatalyticReformingChengGuoxiang,TanHanshen,HongEnshan(FushunResearchInstituteofPetrol... ALumpingKineticModelforCatalyticReformingChengGuoxiang,TanHanshen,HongEnshan(FushunResearchInstituteofPetroleumandPetrochemic... 展开更多
关键词 KINETIC model catalytic reforming reaction network lumping model REACTOR model
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Modeling, Simulation and Optimization of a Whole Industrial Catalytic Naphtha Reforming Process on Aspen Plus Platform 被引量:14
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作者 侯卫锋 苏宏业 +1 位作者 胡永有 褚健 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2006年第5期584-591,共8页
A new 18-lump kinetic model for naphtha catalytic reforming reactions is discussed. By developing this model as a user module, a whole industrial continuous catalytic reforming process is simulated on Aspen plus plat-... A new 18-lump kinetic model for naphtha catalytic reforming reactions is discussed. By developing this model as a user module, a whole industrial continuous catalytic reforming process is simulated on Aspen plus plat-form. The technique utilizes the strong databases, complete sets of modules, and flexible simulation tools of the Aspen plus system and retains the characteristics of the proposed kinetic model. The calculated results are in fair agreement with the actual operating data. Based on the model of the whole reforming process, the process is opti-mized and the optimization results are tested in the actual industrial unit for about two months. The test shows that the process profit increases about 1000yuan·h-1 averagely, which is close to the calculated result. 展开更多
关键词 catalytic reforming kinetic model Aspen plus computer simulation process optimization
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Dynamic Model Study and Analysis of DME Auto-Thermal Steam Reforming Reaction
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作者 Yan Gao Cong Li 《Journal of Power and Energy Engineering》 2015年第5期89-95,共7页
Through the study of the kinetics of dimethyl ether steam reforming reaction, a two-dimensional model of the reactor is established. At the same time, rate equations of simplified elementary reactions of DME steam ref... Through the study of the kinetics of dimethyl ether steam reforming reaction, a two-dimensional model of the reactor is established. At the same time, rate equations of simplified elementary reactions of DME steam reforming reaction are deduced by the mechanism of Langmuir-Hinshel-wood, and the rate constants are obtained by correcting the pre-exponential factor of Arrhenius equation. Finally, the analog data of DME steam reforming reaction under a variety of conditions are obtained, and making a simulation diagram. The two-dimensional model is substantially correct because of the analog data more in line with a variety of knowledge. 展开更多
关键词 DIMETHYL ETHER (DME) KINETIC model The reaction Rate reforming reaction
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Real-Time Optimization Model for Continuous Reforming Regenerator
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作者 Jiang Shubao Jiang Hongbo +1 位作者 Li Zhenming Tian Jianhui 《China Petroleum Processing & Petrochemical Technology》 SCIE CAS 2021年第3期90-103,共14页
An approach for the simulation and optimization of continuous catalyst-regenerative process of reforming is proposed in this paper.Compared to traditional method such as finite difference method,the orthogonal colloca... An approach for the simulation and optimization of continuous catalyst-regenerative process of reforming is proposed in this paper.Compared to traditional method such as finite difference method,the orthogonal collocation method is less time-consuming and more accurate,which can meet the requirement of real-time optimization(RTO).In this paper,the equation-oriented method combined with the orthogonal collocation method and the finite difference method is adopted to build the RTO model for catalytic reforming regenerator.The orthogonal collocation method was adopted to discretize the differential equations and sequential quadratic programming(SQP)algorithm was used to solve the algebraic equations.The rate constants,active energy and reaction order were estimated,with the sum of relative errors between actual value and simulated value serving as optimization objective function.The model can quickly predict the fields of component concentration,temperature and pressure inside the regenerator under different conditions,as well as the real-time optimized conditions for industrial reforming regenerator. 展开更多
关键词 catalytic reforming regenerator kinetics model orthogonal collocation method real-time optimization
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Study on Lumped Kinetic Model for FDFCC I. Establishment of Model 被引量:1
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作者 Wu Feiyue Weng Huixin Luo Shixian 《China Petroleum Processing & Petrochemical Technology》 SCIE CAS 2008年第2期45-52,共8页
According to the process features and the reaction mechanism of FDFCC technology, its two reaction subsystems, one for heavy oil riser reactor, the other for gasoline riser reactor, were respec-tively studied. Corresp... According to the process features and the reaction mechanism of FDFCC technology, its two reaction subsystems, one for heavy oil riser reactor, the other for gasoline riser reactor, were respec-tively studied. Correspondingly, a 12-lump kinetic model for heavy oil FCC and a 9-lump kinetic model for gasoline catalytic upgrading were presented. Based on this work, mathematical correlation of the lumps in the feeds and products involved in the reaction subsystems and those of the overall reaction system were analyzed in detail. Then, a combined kinetic model for FDFCC, which was based on the data recovered from a commercial unit, was put forward. The reaction performance embodied by the kinetic constants for the combined model of FDFCC was in accordance with catalytic cracking reaction mechanism. The model-calculated values were close to the data obtained in commercial scale. The model was easy to be applied in practice and could also provide some theoretical groundwork for further re-search on kinetic model for FDFCC. 展开更多
关键词 FDFCC lump reaction mechanism kinetic model
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Study on Lumped Kinetic Model for FDFCC Ⅱ.Validation and Prediction of Model
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作者 Wu Feiyue Weng Huixin Luo Shixian 《China Petroleum Processing & Petrochemical Technology》 SCIE CAS 2008年第3期33-38,共6页
On the basis of formulating the 9-lump kinetic model for gasoline catalytic upgrading and the 12- lump kinetic model for heavy oil FCC, this paper is aimed at development of a combined kinetic model for a typical FDFC... On the basis of formulating the 9-lump kinetic model for gasoline catalytic upgrading and the 12- lump kinetic model for heavy oil FCC, this paper is aimed at development of a combined kinetic model for a typical FDFCC process after analyzing the coupled relationship and combination of these two models. The model is also verified by using commercial data, the results of which showed that the model can better predict the product yields and their quality, with the relative errors between the main products of the unit and commercial data being less than five percent. Furthermore, the combined model is used to predict and optimize the operating conditions for gasoline riser and heavy oil riser in FDFCC. So this paper can offer some guidance for the processing of FDFCC and is instructive to model research and development of such multi-reactor process and combined process. 展开更多
关键词 FDFCC lump reaction mechanism kinetic model
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Influences of Catalytic Combustion on the Ignition Timing and Emissions of HCCI Engines
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作者 曾文 解茂昭 《Journal of Beijing Institute of Technology》 EI CAS 2008年第2期168-172,共5页
The combustion processes of homogeneous charge compression ignition (HCCI) engines whose piston surfaces have been coated with catalyst (rhodium or platinum) were numerically investigated. A singlezone model and a... The combustion processes of homogeneous charge compression ignition (HCCI) engines whose piston surfaces have been coated with catalyst (rhodium or platinum) were numerically investigated. A singlezone model and a multi-zone model were developed. The effects of catalytic combustion on the ignition timing of the HCCI engine were analyzed through the single-zone model. The results showed that the ignition timing of the HCCI engine was advanced by the catalysis. The effects of catalytic combustion on HC, CO and NOx emissions of the HCCI engine were analyzed through the multi-zone model. The results showed that the emissions of HC and CO (using platinum (Pt) as catalyst) were decreased, while the emissions of NOx were elevated by catalytic combustion. Compared with catalyst Pt, the HC emissions were lower with catalyst rhodium (Rh) on the piston surface, but the emissions of NOx and CO were higher. 展开更多
关键词 catalytic combustion HCCI detailed chemical reaction kinetic model single-zone model multi- zone model METHANE
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Multiobjective Optimization of the Industrial Naphtha Catalytic Re-forming Process 被引量:7
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作者 侯卫锋 苏宏业 +1 位作者 牟盛静 褚健 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2007年第1期75-80,共6页
In this article, a multiobjective optimization strategy for an industrial naphtha continuous catalytic reform-ing process that aims to obtain aromatic products is proposed. The process model is based on a 20-lumped ki... In this article, a multiobjective optimization strategy for an industrial naphtha continuous catalytic reform-ing process that aims to obtain aromatic products is proposed. The process model is based on a 20-lumped kinetics re-action network and has been proved to be quite effective in terms of industrial application. The primary objectives in-clude maximization of yield of the aromatics and minimization of the yield of heavy aromatics. Four reactor inlet tem-peratures, reaction pressure, and hydrogen-to-oil molar ratio are selected as the decision variables. A genetic algorithm, which is proposed by the authors and named as the neighborhood and archived genetic algorithm (NAGA), is applied to solve this multiobjective optimization problem. The relations between each decision variable and the two objectives are also proposed and used for choosing a suitable solution from the obtained Pareto set. 展开更多
关键词 multiobjective optimization catalytic reforming lumped kinetics model neighborhood and archived genetic algorithm (NAGA)
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加压流化床Co-Ca催化煤焦加氢气化反应动力学
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作者 刘佳敏 顾素敏 +2 位作者 张荣 李伟伟 曲旋 《洁净煤技术》 CAS CSCD 北大核心 2024年第5期128-135,共8页
煤催化加氢气化是极具发展潜力的煤制天然气技术,包括煤催化加氢热解和煤焦催化加氢气化2个步骤,其中煤焦催化加氢气化的反应速率远小于煤催化加氢热解的反应速率,是整个气化过程的速率控制步骤,因此建立适宜的煤焦催化加氢气化反应动... 煤催化加氢气化是极具发展潜力的煤制天然气技术,包括煤催化加氢热解和煤焦催化加氢气化2个步骤,其中煤焦催化加氢气化的反应速率远小于煤催化加氢热解的反应速率,是整个气化过程的速率控制步骤,因此建立适宜的煤焦催化加氢气化反应动力学对该技术的应用具有重要的意义。在小型加压流化床中,研究了Co-Ca催化煤焦加氢气化过程中煤焦颗粒密度和孔隙结构随碳转化率的变化规律,发现随反应进行煤焦颗粒密度减小,孔隙总比表面积与反应速率线性相关,表明Co-Ca催化煤焦加氢气化反应符合随机孔模型的特征。通过调控反应温度、氢分压和Co负载量,获得了煤焦中碳转化率的变化规律。结果表明:650~850℃反应仍处于动力学控制阶段;反应温度超过750℃后,反应速率显著提升,进一步提升温度至850℃时,碳转化率由650℃时的16.32%增至95.32%。随氢分压升高,碳转化率增大,氢气分压由0.6 MPa增至2.5 MPa时,碳转化率由19.49%提高至94.11%。随Co催化剂负载量由1%提高至3%,碳转化率持续提升,继续增加Co负载量至5%,碳转化率变化较小。采用扩展随机孔模型,引入经验参数c和p对试验数据进行分析,得到煤焦催化加氢气化反应的活化能为122.7 kJ/mol,反应级数为1.54。模型预测的反应速率值与试验值之间的平均偏差为4.81%。 展开更多
关键词 煤焦 催化加氢气化 加压流化床 反应动力学 随机孔模型
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高负载铜基SSZ-13分子筛催化剂SCR模型研究 被引量:1
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作者 李志军 王妍 +3 位作者 王计广 李智洋 申博玺 李振国 《天津大学学报(自然科学与工程技术版)》 EI CAS CSCD 北大核心 2023年第1期47-54,共8页
随着日益严格的排放法规出台,降低重型柴油机的氮氧化物(NO_(x))排放已成为研究的重点.为提高SSZ-13分子筛催化剂在低温下的二氧化氮(NO_(2))转化效率,通过数值仿真的方法研究了高负载铜基的小孔径分子筛催化剂在不同工况下的最佳NO_(2... 随着日益严格的排放法规出台,降低重型柴油机的氮氧化物(NO_(x))排放已成为研究的重点.为提高SSZ-13分子筛催化剂在低温下的二氧化氮(NO_(2))转化效率,通过数值仿真的方法研究了高负载铜基的小孔径分子筛催化剂在不同工况下的最佳NO_(2)占比情况.利用GT-SUITE软件建立了一维反应器模型以及催化反应动力学模型,采用数值模拟计算的方法对选择催化还原(selective catalytic reduction,SCR)系统内化学反应进行了研究.模型考虑了423~673 K的温度范围内,氨气(NH_(3))的吸附、脱附和氧化反应、一氧化氮(NO)氧化反应、NO_(x)的还原反应以及硝酸铵(NH_(4) NO_(3))的分解反应,并且在排出气体中监测重要的温室气体——氧化亚氮(N_(2)O)的排放量.结果表明:在高负载铜基的SSZ-13分子筛催化剂作用下,NO_(2)与NH_(3)反应生成的NH_(4)NO_(3)在573 K以下的低温段结晶,晶体堵塞孔道抑制反应进行;而随着温度升高,NH_(4)NO_(3)逐渐分解,反应得以正常进行,因此NO_(2)的含量对NO_(x)的转化效率产生影响,即不同温度段的最高NO_(x)转化效率对应的NO_(2)进气量不同,当温度升高,最高NO_(x)转化效率对应的NO_(2)占比先升高后降低,最高NO_(2)占比不超过40%,并且对应温度区间内排出的N_(2)O含量低于6×10^(-6).改变氨氮比、空速、催化剂活性位点密度等工况探究氮氧化物转化效率最高对应的NO_(2)占比,得到的NO_(2)占比均为动态变化值.定义氮氧化物转化效率超过80%的温度范围为最佳温度窗口,变化工况发现最佳温度窗口均为503~673 K. 展开更多
关键词 柴油机 选择催化还原 分子筛催化剂 反应动力学模型 数值模拟
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Is a catalyst always beneficial in plasma catalysis? Insights from the many physical and chemical interactions
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作者 Björn Loenders Roel Michiels Annemie Bogaerts 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2023年第10期501-533,I0013,共34页
Plasma-catalytic dry reforming of CH_(4)(DRM) is promising to convert the greenhouse gasses CH_(4) and CO_(2) into value-added chemicals, thus simultaneously providing an alternative to fossil resources as feedstock f... Plasma-catalytic dry reforming of CH_(4)(DRM) is promising to convert the greenhouse gasses CH_(4) and CO_(2) into value-added chemicals, thus simultaneously providing an alternative to fossil resources as feedstock for the chemical industry. However, while many experiments have been dedicated to plasma-catalytic DRM, there is no consensus yet in literature on the optimal choice of catalyst for targeted products,because the underlying mechanisms are far from understood. Indeed, plasma catalysis is very complex,as it encompasses various chemical and physical interactions between plasma and catalyst, which depend on many parameters. This complexity hampers the comparison of experimental results from different studies, which, in our opinion, is an important bottleneck in the further development of this promising research field. Hence, in this perspective paper, we describe the important physical and chemical effects that should be accounted for when designing plasma-catalytic experiments in general, high-lighting the need for standardized experimental setups, as well as careful documentation of packing properties and reaction conditions, to further advance this research field. On the other hand, many parameters also create many windows of opportunity for further optimizing plasma-catalytic systems.Finally, various experiments also reveal the lack of improvement in plasma catalysis compared to plasma-only, specifically for DRM, but the underlying mechanisms are unclear. Therefore, we present our newly developed coupled plasma-surface kinetics model for DRM, to provide more insight in the underlying reasons. Our model illustrates that transition metal catalysts can adversely affect plasmacatalytic DRM, if radicals dominate the plasma-catalyst interactions. Thus, we demonstrate that a good understanding of the plasma-catalyst interactions is crucial to avoiding conditions at which these interactions negatively affect the results, and we provide some recommendations for improvement. For instance, we believe that plasma-catalytic DRM may benefit more from higher reaction temperatures,at which vibrational excitation can enhance the surface reactions. 展开更多
关键词 Plasma catalysis Dry reforming of methane Discharges reaction kinetics modelLING
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锌对球团矿还原反应的影响
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作者 胡闯开 周进东 +2 位作者 朱斌 熊玮 毕学工 《武汉科技大学学报》 CAS 北大核心 2023年第2期87-94,共8页
利用浸泡法制得富锌球团矿,测定不同温度下球团矿和富锌球团矿还原失重量随时间变化,建立了球团矿气-固反应的未反应核模型,研究了锌对球团矿还原动力学的影响。结果表明,本实验中,球团矿还原反应控速环节为界面化学反应;球团矿和富锌... 利用浸泡法制得富锌球团矿,测定不同温度下球团矿和富锌球团矿还原失重量随时间变化,建立了球团矿气-固反应的未反应核模型,研究了锌对球团矿还原动力学的影响。结果表明,本实验中,球团矿还原反应控速环节为界面化学反应;球团矿和富锌球团矿的化学反应活化能分别为54.34、54.38 kJ/mol,表明富锌对球团矿还原的阻碍作用十分有限;锌对球团矿还原的影响主要表现在:①表面形成的ZnO壳阻碍球团矿还原,②内部锌蒸气发生循环反应起到催化作用。当温度较低(900℃)时,表面富集的ZnO壳影响大,阻碍球团矿的还原;温度在950~1000℃,锌蒸气催化作用显著,削弱或抵消了ZnO壳的阻碍作用;随着温度继续升高,由于锌蒸气还原FeO反应是放热反应,锌蒸气催化作用降低甚至可忽略不计。 展开更多
关键词 球团矿 还原反应 未反应核模型 还原动力学 催化还原 界面化学反应
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分子水平催化重整装置模型构建及应用
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作者 王俊杰 潘艳秋 +1 位作者 牛亚宾 俞路 《化工进展》 EI CAS CSCD 北大核心 2023年第7期3404-3412,共9页
在石化企业智慧工厂建设中,建立分子水平装置模型是企业向精细化、智能化生产模式转变的重要内容。本文以国内某石化企业催化重整装置为背景,基于石脑油组成和分子类型-同系物(MTHS)矩阵模型,建立含有270种分子的石脑油确定性分子库,构... 在石化企业智慧工厂建设中,建立分子水平装置模型是企业向精细化、智能化生产模式转变的重要内容。本文以国内某石化企业催化重整装置为背景,基于石脑油组成和分子类型-同系物(MTHS)矩阵模型,建立含有270种分子的石脑油确定性分子库,构建石脑油分子重构模型,其模拟值与实际值吻合良好,实现了通过宏观物性作为输入信息来预测石脑油馏分详细组成的目标;基于催化重整的过程反应机理建立反应网络简化规则,创新性地将基于规则的自动网络生成器(RING)应用到石脑油这类复杂混合物中,构建包含865个分子和6616个反应的催化重整过程反应网络,并采用遗传算法估算反应动力学参数,构建分子水平催化重整反应动力学模型,其用于装置产品组成的模拟值与实际值的绝对误差为0.85%,可实现分子水平上的产品预测。本文的分子水平装置模型可用于催化重整装置的操作指导和智能化建设,模型的构建方法及思路可用于石化企业相关装置分子水平模型的构建。 展开更多
关键词 催化重整 反应动力学 分子类型-同系物矩阵 反应网络 智慧工厂 遗传算法 计算机模拟
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柴油深度加氢脱硫集总-反应机理动力学
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作者 李艳明 王坤 《石化技术与应用》 CAS 2023年第4期256-260,共5页
将硫化物按照脱硫难易程度分为二集总,再根据二集总硫化物的反应路径建立了加氢脱硫集总-反应机理动力学模型,以镇海混合油为原料,利用中试装置的实验数据,拟合出该模型的各项参数,并验证了模型的精密性。结果表明:该模型形式简单,可以... 将硫化物按照脱硫难易程度分为二集总,再根据二集总硫化物的反应路径建立了加氢脱硫集总-反应机理动力学模型,以镇海混合油为原料,利用中试装置的实验数据,拟合出该模型的各项参数,并验证了模型的精密性。结果表明:该模型形式简单,可以描述柴油硫化物脱硫的反应规律;利用其计算出的含硫量和实验值具有较高的吻合度,15组对比数据残差平方和为0.780。 展开更多
关键词 柴油 深度脱硫 集总-反应机理 动力学模型
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十七集总催化重整反应动力学模型研究(Ⅰ)——模型的建立 被引量:14
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作者 丁福臣 周志军 +3 位作者 杨桂忠 靳广洲 郑灌生 盖增旗 《石油化工高等学校学报》 CAS 2002年第1期15-17,共3页
按照集总理论的指导原则 ,从催化重整反应机理出发 ,提出了包含 17个集总组分的催化重整反应网络 ,将重整物料按分子大小集总为C6、C7、C8和C+ 9,每一个碳数的化合物又划分为正构烷烃、异构烷烃、环烷烃和芳香烃 4个集总 ,裂化产物C-5... 按照集总理论的指导原则 ,从催化重整反应机理出发 ,提出了包含 17个集总组分的催化重整反应网络 ,将重整物料按分子大小集总为C6、C7、C8和C+ 9,每一个碳数的化合物又划分为正构烷烃、异构烷烃、环烷烃和芳香烃 4个集总 ,裂化产物C-5作为一个集总。集总组分与组分之间主要发生烷烃脱氢环化、环烷烃脱氢芳构化、烷烃异构化和加氢裂化反应 ,简化了一些发生几率小或对过程影响小的反应 ,如芳香烃和环烷烃的开环裂化反应、C-5组分的二次裂化反应等。以此反应网络建立的动力学模型比较简单实用 ,能更好地预测产品的芳烃产率分布和汽油辛烷值。 展开更多
关键词 催化重整反应 动力学模型 集总 反应网络模型 炼油
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催化重整集总动力学模型的建立及其在线应用 被引量:22
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作者 侯卫锋 苏宏业 +1 位作者 胡永有 褚健 《化工学报》 EI CAS CSCD 北大核心 2006年第7期1605-1611,共7页
按照集总理论的指导原则,在原17集总反应网络的基础上,提出了一种包含20个集总组分、31个反应的催化重整动力学模型.该模型进一步细分了八碳芳烃组分,并考虑了烷烃组分的所有加氢裂化反应.在某工业连续重整装置上的验证结果表明,所建立... 按照集总理论的指导原则,在原17集总反应网络的基础上,提出了一种包含20个集总组分、31个反应的催化重整动力学模型.该模型进一步细分了八碳芳烃组分,并考虑了烷烃组分的所有加氢裂化反应.在某工业连续重整装置上的验证结果表明,所建立的20集总模型可以精确地模拟包括八碳芳烃4个异构体在内的反应产物组成;与原17集总模型相比,裂化产物的预测精度明显提高.随后,采用特定的在线预测和校正策略,将该模型用于在线预测此连续重整过程的总芳烃收率、各芳烃组分收率以及重整油辛烷值,在进料和反应操作条件较大的变化范围内,在线预测趋势和预测精度均令人满意.总芳烃收率和重整油辛烷值的平均预测偏差仅分别为0.52%和0.36,与离线模拟精度相当. 展开更多
关键词 催化重整 集总 动力学模型 计算机模拟 在线应用
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催化重整集总动力学模型(Ⅰ)模型的建立 被引量:33
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作者 翁惠新 孙绍庄 江洪波 《化工学报》 EI CAS CSCD 北大核心 1994年第4期407-412,共6页
根据集总指导原则,从催化重整的反应机理出发,建立了十六集总催化重整动力学模型.该模型不仅简单可行,且能适用于不同生产方案的重整反应,具有较强的适用性和良好的拟合性.
关键词 催化重整 动力学模型 石油炼制
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芳烃型催化重整集总反应动力学模型 被引量:13
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作者 周红军 石铭亮 +2 位作者 翁惠新 凌泽济 江洪波 《石油学报(石油加工)》 EI CAS CSCD 北大核心 2009年第4期545-550,共6页
按集总理论指导原则,从催化重整反应机理出发,针对以生产芳烃为主要目的的重整装置,提出了1个包含27个集总、52个反应的催化重整反应动力学模型,并以移动床连续重整径向反应器为基础建立了相应的数学模型。该模型将C8芳烃进一步细分为... 按集总理论指导原则,从催化重整反应机理出发,针对以生产芳烃为主要目的的重整装置,提出了1个包含27个集总、52个反应的催化重整反应动力学模型,并以移动床连续重整径向反应器为基础建立了相应的数学模型。该模型将C8芳烃进一步细分为乙苯和二甲苯2个集总,将C9芳烃进一步细分为三甲苯、甲乙苯和丙苯3个集总。采用工业实测数据估计了相应的111个模型参数。结果表明,所得动力学参数符合经典的双功能催化重整反应机理,由失活常数结果可见,酸中心失活比金属中心失活更为严重。通过UOP连续重整工业装置的模拟计算对模型进行了验证,结果表明,该模型能较准确地预测各反应物出口质量含量和催化剂出口积炭含量。该模型可为芳烃型重整装置的优化及产品组成预测提供重要依据。 展开更多
关键词 集总 催化重整 动力学模型 移动床 芳烃
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重油催化裂化MIP工艺集总动力学模型 被引量:12
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作者 江洪波 钟贵江 +2 位作者 宁汇 欧阳福生 翁惠新 《石油学报(石油加工)》 EI CAS CSCD 北大核心 2010年第6期901-909,共9页
根据催化裂化反应机理及MIP工艺的特点,开发了重油催化裂化12集总反应动力学模型。以公开发表的MIP工艺装置数据为基础,对模型参数进行验证计算。结果表明,模型对原料及柴油采用结构族组成划分集总,准确反映了不同碳原子结构反应性能的... 根据催化裂化反应机理及MIP工艺的特点,开发了重油催化裂化12集总反应动力学模型。以公开发表的MIP工艺装置数据为基础,对模型参数进行验证计算。结果表明,模型对原料及柴油采用结构族组成划分集总,准确反映了不同碳原子结构反应性能的差异,并减少了反应途径数目。通过分步求解法求取反应动力学参数,有效减少了需同时估计的动力学参数个数,并提高了参数估计结果的精度和可靠性;计算值与实测值拟合良好。反应速率常数和活化能的分析结果表明,模型参数很好地反映了实际反应规律。 展开更多
关键词 催化裂化 MIP 动力学 模型 集总
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基于ASPEN PLUS用户模型技术的催化重整全流程模拟 被引量:16
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作者 侯卫锋 苏宏业 +1 位作者 胡永有 褚健 《化工学报》 EI CAS CSCD 北大核心 2005年第9期1714-1720,共7页
采用用户模型技术,将自主开发的17集总反应动力学模型与ASPENPLUS稳态流程模拟软件集成在一起,从而在ASPENPLUS平台实现了包含重整反应装置在内的催化重整全流程模拟.这一技术既可以利用ASPENPLUS强大的数据库、模型库和模拟优化功能,... 采用用户模型技术,将自主开发的17集总反应动力学模型与ASPENPLUS稳态流程模拟软件集成在一起,从而在ASPENPLUS平台实现了包含重整反应装置在内的催化重整全流程模拟.这一技术既可以利用ASPENPLUS强大的数据库、模型库和模拟优化功能,大大拓展模拟范围,又可以保持自定义反应模型的特点.整个流程全部仿照反应动力学模型,将300多种化合物定义成18种集总组分(含氢气),并采用专用于石油系统的物性计算方法.建立的ASPENPLUS二次开发软件在某连续重整装置上获得了成功应用,模拟结果与实际操作值吻合得相当好,完全满足工业应用的要求.此软件可用于催化重整装置的生产调优、扩能改造和新装置的工艺设计. 展开更多
关键词 全流程模拟 催化重整 集总组分 反应动力学模型 ASPEN PLUS 用户模型
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