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Control Structures Design Applied To Alkylation Process Plantwide Control
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Book Synopsis Control Structures Design Applied to Alkylation Process Plantwide Control by :
Download or read book Control Structures Design Applied to Alkylation Process Plantwide Control written by and published by . This book was released on 2011 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design a process control structure for a complex process, such as the process having material or energy recycle, is a complicate task. The design control loop would effect the operation significantly. The study is using plantwide control strategies for designing control structure of Isobutane process control. This structure process design is to achieve the efficiency in control and reduce disturbances in process by using the new process structure design by Wongsri (2009) compare to the basic heuristic structure design by Luben (2002). Disturbances are set up by two categories; flow rate of substances and temperature changed in fresh feed. The result shows that control structure designs based on Wongsri heuristic are better performance than Luben in both sustain in quality and minimize the power efficiency. Evaluate such simulation by HYSYS commercial software.
Book Synopsis Plantwide Control Structures Design of Monoisopropylamine Process by : Chanisa Chumna
Download or read book Plantwide Control Structures Design of Monoisopropylamine Process written by Chanisa Chumna and published by . This book was released on 2012 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, plantwide control structure design procedure of Wongsri (2012) is presented and applied to the monoisopropylamine process. The plant consists of a tubular reactor and three distillation columns. There are two recycle streams: gas and liquid. The raw materials are isopropyl alcohol and ammonia which are converted to MIPA, DIPA, and water. The by-product DIPA is recycled to react with ammonia to form MIPA. An excess of ammonia in the reactor inhibits the DIPA reaction, so ammonia is also recycled. The plant with control structure designed called the fixture plant. The raw materials entered the process is fixed and the products are regulated according to their accumulation. The recycle flowrate of DIPA is adjusted by its quantifier. The temperature loops are designed to reject the thermal disturbance. The first distillation column is controlled using a single temperature and a reflux-to-feed ratio control structure. The second distillation column is controlled using a single temperature and either a reflux-to-feed ratio or reflux ratio control structure. The third column has three alterative control structures which are the same as the second column and dual control structure ratio (one temperature and one composition).
Book Synopsis Plantwide Control Structure Design for an Auto-refrigerated Alkylation Process by :
Download or read book Plantwide Control Structure Design for an Auto-refrigerated Alkylation Process written by and published by . This book was released on 2011 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: The alkylation process is widely used in oil refinery as a process to produce an alkylate product which is very useful for internal combustion engines. The process operated by reacting isobutene with olefins (primarily mixture of butane-butylene) and adding the sulfuric acid catalyst. The process is carried out in exothermic reactions in a series of agitated reactors. The separation sections with two distillations are then installed to extract the desirable products and return the useful remnant back to the recycled stream. This research has been developed by using plantwide control procedure of Wongsri (2012) to improve the control structure of an auto-refrigerated alkylation process which can be referred as multi-unit process containing several unit operations. The procedure used heuristics method to find the fixture plant which is appropriate in handing material and heat disturbances entering the process. Wherefore, a commercial dynamics simulator is used to design and simulate the alkylation process at steady state and dynamic conditions.
Book Synopsis Plantwide Process Control by : William L. Luyben
Download or read book Plantwide Process Control written by William L. Luyben and published by McGraw-Hill Professional Publishing. This book was released on 1999 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: With four realistic case studies ... Tennessee-Eastman, isomerization, vinyl acetate, and HDA processes (the first time a workable control structure for HDA has ever been published) ... Plantwide Process Control gives chemical engineers, and students, the tools they need to design effective control schemes.
Book Synopsis Plantwide Control by : Gade Pandu Rangaiah
Download or read book Plantwide Control written by Gade Pandu Rangaiah and published by John Wiley & Sons. This book was released on 2012-04-02 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of control systems is necessary for safe and optimal operation of industrial processes in the presence of inevitable disturbances and uncertainties. Plant-wide control (PWC) involves the systems and strategies required to control an entire chemical plant consisting of many interacting unit operations. Over the past 30 years, many tools and methodologies have been developed to accommodate increasingly larger and more complex plants. This book provides a state-of-the-art of techniques for the design and evaluation of PWC systems. Various applications taken from chemical, petrochemical, biofuels and mineral processing industries are used to illustrate the use of these approaches. This book contains 20 chapters organized in the following sections: Overview and Industrial Perspective Tools and Heuristics Methodologies Applications Emerging Topics With contributions from the leading researchers and industrial practitioners on PWC design, this book is key reading for researchers, postgraduate students, and process control engineers interested in PWC.
Book Synopsis Plantwide Control Structures Design for Butyl Acetate Process by : Oracha Rattananipon
Download or read book Plantwide Control Structures Design for Butyl Acetate Process written by Oracha Rattananipon and published by . This book was released on 2011 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: A structure of most industrial processes, including many different unit operations, several recycle streams and energy integration, is a complex flowsheet. Therefore plantwide control structure design is an important way to control processes which become more complex so that processes are designed and operated closer to constraints. This research is design of plantwide control structures for butyl acetate process, which consist of a reactor, three distillation columns and two recycle streams. It can be produced by the reaction of methyl acetate with butanol in a reversible, liquid-phase, mildly exothermic reaction. Methanol is the second product. The objective of this research is selection of controlled variables so that finding which variables that should be controlled system for quickly responding to disturbances and adjusting self to steady state while minimizing the deviation of the product quality. Plantwide control procedure of Wongsri(2012) is chosen for design the new control structures in order to develop control loops to achieve the required objectives. Steady state designs were performed in commercial process simulator and evaluate the performance using integrated absolute error (IAE) of the designed control structures.
Book Synopsis Plant-Wide Process Control by : Kelvin T. Erickson
Download or read book Plant-Wide Process Control written by Kelvin T. Erickson and published by John Wiley & Sons. This book was released on 1999-04-29 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Der Band behandelt Prozeßsteuerungen für kontinuierlich oder im Batchbetrieb arbeitende chemische Produktionsanlagen, wobei auf alle Stadien der Entwicklung vom Konzept bis zur Umsetzung, Prüfung und Wartung eingegangen wird. Besonders interessant ist das Thema für den Verfahrens- oder Chemieingenieur, der zur Effektivierung der industriellen Automation zunehmend auch Kenntnisse aus dem elektrotechnischen Bereich benötigt. (06/99)
Book Synopsis Plantwide Control Structures Design of a Methyl Amines Process by : Pantita Laklert
Download or read book Plantwide Control Structures Design of a Methyl Amines Process written by Pantita Laklert and published by . This book was released on 2011 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: In general, the production process in all plants do not have single process or have only single unit operation separated from other process but they have several operation units. And due to the restriction of the environment, safety and operating condition, it is very necessary to have the control system to control the condition and compensate for any deviation occurred. The methyl amines process is a complex chemical process with reaction and separation sections connected by several recycle streams. There are three consecutive reversible reactions that produce three different chemical components. In this thesis, the plantwide control strategy is considered for the methyl amines process. Fixture point theorem is applied to the plantwide control structures design for selecting appropriated set of controlled variables. A commercial process simulation software achieves the dynamics simulation of this research, both of steady-state and dynamics conditions.
Book Synopsis Plantwide Control by : Gade Pandu Rangaiah
Download or read book Plantwide Control written by Gade Pandu Rangaiah and published by John Wiley & Sons. This book was released on 2012-01-09 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of control systems is necessary for safe and optimal operation of industrial processes in the presence of inevitable disturbances and uncertainties. Plant-wide control (PWC) involves the systems and strategies required to control an entire chemical plant consisting of many interacting unit operations. Over the past 30 years, many tools and methodologies have been developed to accommodate increasingly larger and more complex plants. This book provides a state-of-the-art of techniques for the design and evaluation of PWC systems. Various applications taken from chemical, petrochemical, biofuels and mineral processing industries are used to illustrate the use of these approaches. This book contains 20 chapters organized in the following sections: Overview and Industrial Perspective Tools and Heuristics Methodologies Applications Emerging Topics With contributions from the leading researchers and industrial practitioners on PWC design, this book is key reading for researchers, postgraduate students, and process control engineers interested in PWC.
Book Synopsis Chemical Process Design by : Alexandre C. Dimian
Download or read book Chemical Process Design written by Alexandre C. Dimian and published by John Wiley & Sons. This book was released on 2008-04-09 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical how-to-do book deals with the design of sustainable chemical processes by means of systematic methods aided by computer simulation. Ample case studies illustrate generic creative issues, as well as the efficient use of simulation techniques, with each one standing for an important issue taken from practice. The didactic approach guides readers from basic knowledge to mastering complex flow-sheets, starting with chemistry and thermodynamics, via process synthesis, efficient use of energy and waste minimization, right up to plant-wide control and process dynamics. The simulation results are compared with flow-sheets and performance indices of actual industrial licensed processes, while the complete input data for all the case studies is also provided, allowing readers to reproduce the results with their own simulators. For everyone interested in the design of innovative chemical processes.
Book Synopsis Design of Plantwide Control Structure by :
Download or read book Design of Plantwide Control Structure written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles and Case Studies of Simultaneous Design by : William L. Luyben
Download or read book Principles and Case Studies of Simultaneous Design written by William L. Luyben and published by John Wiley & Sons. This book was released on 2012-02-08 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many comprehensive design books, but none of them provide a significant number of detailed economic design examples of typically complex industrial processes. Most of the current design books cover a wide variety of topics associated with process design. In addition to discussing flowsheet development and equipment design, these textbooks go into a lot of detail on engineering economics and other many peripheral subjects such as written and oral skills, ethics, "green" engineering and product design. This book presents general process design principles in a concise readable form that can be easily comprehended by students and engineers when developing effective flow sheet and control structures. Ten detailed case studies presented illustrate an in-depth and quantitative way the application of these general principles. Detailed economic steady-state designs are developed that satisfy economic criterion such as minimize total annual cost of both capital and energy or return on incremental capital investment. Complete detailed flow sheets and Aspen Plus files are provided. Then conventional PI control structures are be developed and tested for their ability to maintain product quality during disturbances. Complete Aspen Dynamics files are be provided of the dynamic simulations.
Author :Anton Alexandru Kiss Publisher :LAP Lambert Academic Publishing ISBN 13 :9783838342429 Total Pages :164 pages Book Rating :4.3/5 (424 download)
Book Synopsis Process Design and Control by Nonlinear Analysis by : Anton Alexandru Kiss
Download or read book Process Design and Control by Nonlinear Analysis written by Anton Alexandru Kiss and published by LAP Lambert Academic Publishing. This book was released on 2010-02 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays it is widely accepted that a strong interaction between design and control exists, and the design of a chemical process fundamentally determines its inherent controllability. Consequently, it is extremely important to realize that the controller and the chemical process form a unit. Therefore, credit or discredit for the excellent or poor results obtained are attributable to one as much as the other. This book provides original insights by considering the integration of dynamics and plantwide control strategies during the process synthesis and design activities. Nonlinear analysis is used as a powerful tool to investigate the state multiplicity of chemical processes such as reactor-separator-recycle systems, and consequently establish the best design and plantwide control strategy. Furthermore, a novel process design and control methodology is developed and applied to various case studies from the chemical industry (e.g. hydrogenation, alkylation and polymerization). The topics included in this book are addressed to everyone involved in chemical process design and control, from undergraduate students and graduate researchers to professors and industrial professionals.
Book Synopsis PLANTWIDE CONTROL STRUCTURE DESIGN FOR BUTANE ISOMERIZATION PROCESS by : Kitt Kijnithikul
Download or read book PLANTWIDE CONTROL STRUCTURE DESIGN FOR BUTANE ISOMERIZATION PROCESS written by Kitt Kijnithikul and published by . This book was released on 2014 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the application of the plantwide control design procedure of Wongsri (Wongsri, 2015) and the butane isomerization process. The significance of the procedure is the use of quantifiers and their handlers to design plant level quantifier (inventory) control to stabilize the material flow. Next to maintain the quality of the products, the material and heat disturbance management are used to design for plant level disturbance rejection loops for dynamic efficiency. The column control loops are designed to shift plus and minus disturbance in the desired direction. Then the unit level loop design is carried out. The plant equipped with this designed control structure is called a Fixture Plant. The new design is compared with Luyben's design.
Book Synopsis Plant-wide Control Structures for the Tennessee Eastman Process by : Philip Richard Lyman
Download or read book Plant-wide Control Structures for the Tennessee Eastman Process written by Philip Richard Lyman and published by . This book was released on 1992 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plantwide Control Structure Design of Hydrodealkylation Process by : Teerapong Juncharoenwongsa
Download or read book Plantwide Control Structure Design of Hydrodealkylation Process written by Teerapong Juncharoenwongsa and published by . This book was released on 2013 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: กระบวนการไฮโดรดีอัลคิเลชันประกอบด้วยแผนผังกระบวนการที่มีความซับซ้อนกับสายป้อนกลับมวลสารและพลังงานและหน่อยปฏิบัติการที่มีความแตกต่างกันจํานวนมาก ส่งผลให้พฤติกรรมไม่เชิงเส้นของกระบวนการปิโตรเคมีนี้มีความซับซ้อนอย่างมาก ดังนั้นโครงสร้างการควบคุมแบบทั้งกระบวนการที่มีประสิทธิภาพจะเห็นได้ชัดเจนว่าเป็นสิ่งที่สําคัญอย่างมาก ในการทํางานในปัจจุบันนี้ วิธีการออกแบบโครงสร้างการควบคุมแบบทั้งโรงงานของวงศ์ศรีถูกประยุกต์ใช้กับกระบวนการไฮโดรดีอัลคิเลชัน ซึ่งวิธีการออกแบบประกอบด้วย 8 ขั้นตอน ใน 5 ระดับ ซึ่งให้ความสนใจในเรื่องของการทําให้กระบวนการอยู่ในสภาวะคงตัวโดยการปรับอัตราการไหลของมวลสารตามการสะสมของมวลสารด้วยตัวจัดการตามเส้นทางของแต่ละสารและการใช้หลักการจัดการการรบกวน การออกแบบแสดงให้เห็นถึงความชัดเจนและการให้คําแนะนําวิธีการออกแบบโครงสร้างการควบคุมแบบทั้งกระบวนการ ประสิทธิภาพของการออกแบบโครงสร้างการควบคุมถูกประเมินโดยใช้การจําลองเชิงพลวัตที่มีความเข้มงวดและเปรียบเทียบกับโครงสร้างของลูเบน ผลคือประสิทธิภาพของโครงสร้างการควบคุมใหม่ดีกว่าโครงสร้างการควบคุมของลูเบนในเรื่องของการจัดการการรบกวน ความเร็วในการตอบสนอง และการรักษาความบริสุทธิ์ของผลิตภัณฑ์.
Book Synopsis Plantwide Control Structure Design of the Methoxy-methyl-heptane Process by :
Download or read book Plantwide Control Structure Design of the Methoxy-methyl-heptane Process written by and published by . This book was released on 2012 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of plantwide control structure for the methoxy-methyl-heptane process using Wongsri's design procedure is studied. The eight stepsof the design procedure focus on plantwide level designwhich is establishing a fixture plantand thermal and material disturbance managements for quality control. The process involves the reaction of methanol with 2-methyl-1-heptene to form 2-methoxy-2-methylheptane. The flowsheet features a continuous stirred tank reactor, three distillation columns, and one recycle stream. The combined feed of fresh and recycled 2-methyl-1-heptene is regulated and is ratioed to the fresh methanol. 2-methyl-1-heptene disturbance is pushed away via the distillate of the second column and recycled to maintain 2-methoxy-2-methylheptane purity in the third column. All components are handled at their identified quantifiers. The designed plantwide control structure performance is compared with the Luyben's design.
