库姆科尔原油提炼的热力学建模和过程模拟

IF 0.5 Q4 CHEMISTRY, MULTIDISCIPLINARY
M.A. Jamali, A. Bissenbay, N. Nuraje
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引用次数: 0

摘要

原油蒸馏装置 (CDU) 机制通常被视为石油精炼的第一阶段。在本研究中,Aspen Plus® 用于模拟 CDU 的基本过程,CDU 由一个常压蒸馏塔 (ATC) 和一个真空蒸馏塔 (VC) 组成。这两个蒸馏塔分别装入两种原油:哈萨克斯坦的 KUMKOL 和苏联出口混合油,比例分别为 0.75:0.25、0.50:0.50 和 0.25:0.75。目的是对石脑油、煤油、常压瓦斯油 (AGO)、轻质真空瓦斯油 (LVGO) 和重质真空瓦斯油 (HVGO) 的结果流进行参数分析。模拟使用了 CHAO-SEA 热力学模型,其中包括 Chao-Seader 相关性、Scatchard-Hildebrand 模型、Redlich-Kwong 状态方程、Lee-Kesler 状态方程和 API 重力技术。对 CDU 系统内不同阶段气流的温度、压力、质量流量、焓、蒸汽百分比和平均分子量进行了估算。对于 ATC 和 VC 塔,还绘制了温度-压力与级数的关系曲线,以及 ASTM D86(温度)与蒸馏流体积百分比的关系曲线。结果显示,与含有 0.25 和 0.50 StdVol Kumkol Kazakhstan Oil 的进料流相比,含有 0.75 StdVol 的进料流生产出更多的重质、中质和轻质真空瓦斯油(H-VGO、M-VGO 和 L-VGO)以及更多的真空瓦斯(VG)。这些研究结果表明,与世界上其他可获得的混合油相比,Kumkol 哈萨克斯坦油质量高,硫磺等污染物较少。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermodynamic Modeling and Process Simulation of Kumkol Crude Oil Refining
The Crude Distillation Unit (CDU) mechanism is commonly regarded as the first stage in petroleum refining. In this study, Aspen Plus® is used to simulate the basic process of a CDU, which consists of an Atmospheric Distillation Column (ATC) and a Vacuum Distillation Column (VC). These columns are fed with two types of crude oil: KUMKOL from Kazakhstan and Soviet Export Blend, in the proportions of 0.75:0.25, 0.50:0.50, and 0.25:0.75, respectively. The goal was to do a parametric analysis and analyze the resultant streams of naphtha, kerosene, Atmospheric Gas Oil (AGO), Light Vacuum Gas Oil (LVGO), and Heavy Vacuum Gas Oil (HVGO). The simulation used the CHAO-SEA thermodynamic model, which included the Chao-Seader correlation, the Scatchard-Hildebrand model, the Redlich-Kwong equation of state, the Lee-Kesler equation of state, and the API gravity technique. Temperature, pressure, mass flow, enthalpy, vapor percentage, and average molecular weights of the streams at various phases within the CDU system were estimated. For both the ATC and VC columns, curves indicating Temperature- Pressure vs the number of stages, as well as ASTM D86 (temperature) versus stream volume % distillation, were developed. The results show that when compared to feed streams containing 0.25 and 0.50 StdVol of Kumkol Kazakhstan Oil, the feed stream with 0.75 StdVol produces more Heavy, Medium, and Light Vacuum Gas Oil (H-VGO, M-VGO, and L-VGO), as well as more Vacuum Gas (VG). These findings indicate that Kumkol Kazakhstan Oil is of high quality and has fewer contaminants, such as sulfur when compared to other accessible mixes throughout the world.
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来源期刊
Eurasian Chemico-Technological Journal
Eurasian Chemico-Technological Journal CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.10
自引率
20.00%
发文量
6
审稿时长
20 weeks
期刊介绍: The journal is designed for publication of experimental and theoretical investigation results in the field of chemistry and chemical technology. Among priority fields that emphasized by chemical science are as follows: advanced materials and chemical technologies, current issues of organic synthesis and chemistry of natural compounds, physical chemistry, chemical physics, electro-photo-radiative-plasma chemistry, colloids, nanotechnologies, catalysis and surface-active materials, polymers, biochemistry.
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