Design and simulation of 30 000 tons per year of cumene plant from natural gas field

IF 2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Pure and Applied Chemistry Pub Date : 2024-02-29 DOI:10.1515/pac-2023-1135

Ojong Elias Ojong, Omeke Chimene Wosu, Aguma Emenike, Paschal Ateb Ubi

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Abstract

The research considers the design and simulation of 30 000 tons per year of cumene plant using Aspen HYSYS as the simulation tool. The feed (material content) used is the characterized natural gas from Utorogu Gas Field with composition of 0.9019 methane, 0.0694 ethane, 0.0209 propane, 0.00361 n-butane, 0.00414 i-butane, 0.00005 n-pentane and 0.00007 i-pentane. The cumene plant consist of the cryogenic distillation column, de-hydrogenator (Continuous Stirred Tank Reactor), Alkylator (Plug Flow Reactor), storage tanks, separators, pumps, heat exchanger and mixers. The size/design models of basic plant units such as de-hydrogenator, alkylator, separators, storage tanks and distillation column were developed using the principles of mass and energy balance. The result of design or size specifications in terms of equipment diameter of basic plant units obtained from HYSYS simulation are 0.8 m and 0.319 m for the cryogenic and cumene columns; 1.931 m, 2.244 m and 1.366 m for the propane, propene and cumene storage tanks; 1.868 m and 2.076 m for the de-hydrogenator and alkylator; 1.931 m and 2.146 m for propene and cumene separators respectively. The power or capacity of propane and propene pumps configured in the plant are 0.02 kW and 0.005 kW respectively. The result of the reactor and distillation column thickness specification to withstand corrosion, pressure or stress during plant operation in terms of cylindrical shell and ellipsoidal doomed head are 17.36 mm and 4.31 mm respectively. The economic evaluation (overall cost) including the cost of utilities, catalyst, operating, and maintenance for entire plant is $ 3.004 M.

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设计和模拟年产 30 000 吨来自天然气田的积层烯装置

本研究使用 Aspen HYSYS 作为仿真工具，对年产 30 000 吨的精烯烃装置进行了设计和仿真。使用的原料（物质含量）是乌托罗古气田的天然气，其成分为 0.9019 甲烷、0.0694 乙烷、0.0209 丙烷、0.00361 正丁烷、0.00414 异丁烷、0.00005 正戊烷和 0.00007 异戊烷。癸烯装置由低温蒸馏塔、脱氢器（连续搅拌罐反应器）、烷化器（塞流反应器）、储罐、分离器、泵、热交换器和混合器组成。脱氢器、烷化器、分离器、储罐和蒸馏塔等基本装置的尺寸/设计模型是利用质量和能量平衡原理开发的。通过 HYSYS 仿真获得的基本装置单元设备直径设计或尺寸规格结果为：低温塔和精馏塔的直径分别为 0.8 米和 0.319 米；丙烷、丙烯和精馏罐的直径分别为 1.931 米、2.244 米和 1.366 米；脱氢器和烷化器的直径分别为 1.868 米和 2.076 米；丙烯和精馏分离器的直径分别为 1.931 米和 2.146 米。装置中配置的丙烷泵和丙烯泵的功率或容量分别为 0.02 千瓦和 0.005 千瓦。反应器和蒸馏塔的厚度规格在工厂运行期间承受腐蚀、压力或应力的圆柱形外壳和椭圆形封头的结果分别为 17.36 毫米和 4.31 毫米。经济评估（总成本）包括整个装置的水电、催化剂、运行和维护成本，为 300.4 万美元。

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来源期刊

Pure and Applied Chemistry 化学-化学综合

CiteScore

4.00

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： Pure and Applied Chemistry is the official monthly Journal of IUPAC, with responsibility for publishing works arising from those international scientific events and projects that are sponsored and undertaken by the Union. The policy is to publish highly topical and credible works at the forefront of all aspects of pure and applied chemistry, and the attendant goal is to promote widespread acceptance of the Journal as an authoritative and indispensable holding in academic and institutional libraries.