Heat integration of intermittently available continuous streams in multipurpose batch plants

Lee, Jui-Yuan; Seid, Esmael R.; Majozi, Thokozani

doi:10.1016/j.compchemeng.2014.12.003

Cited by 17 publications

(7 citation statements)

References 36 publications

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“…Heat is exchanged between tasks and storages, and an exchange between hot and cold tasks can be performed in different time intervals. A further advantage of heat integration lies in the reduction of processing time, since heating and cooling times can be eliminated (see [173]).…”

Section: Heat Integrationmentioning

confidence: 99%

Energy-Oriented Production Planning in Industry: A Systematic Literature Review and Classification Scheme

2021

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Scarcity of resources, structural change during the further development of renewable energy sources, and their corresponding costs, such as increasing resource costs or penalties due to dirty production, lead industrial firms to adapt ecological actions. In this regard, research on energy utilization in production planning has received increased attention in the last years, resulting in a large number of research articles so far. With the paper at hand, we review the literature on energy-oriented production planning. The aim of this study is to derive similar core issues and related properties along energy-oriented models within hierarchical production planning. For this, we carry out a systematic literature review and analyze and synthesize 375 research articles. We classify the underlying literature with a novel two-dimensional classification scheme and identify three key topics and five frequently found characteristics, which are presented in detail throughout this article. Based on these results, we state several potentials for further research.

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Section: Heat Integrationmentioning

confidence: 99%

Energy-Oriented Production Planning in Industry: A Systematic Literature Review and Classification Scheme

2021

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“…Intermittently available continuous streams may also be analysed together with batch processes. The application of the model reduced the energy input by 30 % and the product output by 15 % [68]. To reduce the computation time, a genetic algorithm is proposed for the scheduling of multipurpose and multiproduct batch processes.…”

Section: Heat Integrationmentioning

confidence: 99%

Achievements and Perspectives of Process Integration in Cis Countries

Boldyryev¹

2020

REFFIT

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Due to the rapid growth in the world population, there has been an increase in energy consumption globally. The problem of efficient energy use becomes more relevant and stimulates research and development of new energy and resource-saving technologies. This task is becoming more complicated when the other factors are accounted for, resulting in multiple-factor trade-offs, such as the water-energy-food nexus. This paper highlights the main points for the development of Process Integration in the Commonwealth of Independent States (CIS) countries. It shows the main achievements in the field to date and demonstrates the scientific schools that are working on these problems. A comprehensive review of modern approaches and methods, which are now being developed or have been recently developed, was done. It shows a research gap in Process Integration in CIS and other leading countries. It demonstrates the significant research potential as well as practical applications. The main challenges in process systems engineering and for the sustainable development of industrial energy systems are also discussed. Industry digital transformation, energy transition, circular economy, and stronger energy and water integration are pointed out as priorities in analysis, design, and retrofit of society in the future. A state-of-the-art review in the area of integration of continuous and batch processes, mass integration technologies, and process intensification is presented to show the variety of existing approaches. The necessity of Process Integration development in the CIS is shown to be a necessary condition for building a more sustainable society and a resource-efficient economy.

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“…Constraints 1−15 address the allocation of pumping equipment to transfer tasks, whereas Constraints 16−41 address the scheduling of the various processing tasks based on pump availability. The scheduling model is reformulated from the models presented by Lee et al 23 and Seid and Majozi 18 to allow for pumping allocation and variable transfer times.…”

Section: Mathematical Formulationmentioning

confidence: 99%

“…Hence, they proposed discrete transfer times and associated energy costs based on the pumping requirement. Lee et al 23 considered fixed material transfer times in their work in order to allow for heat integration during the transfer. Each transfer time was a fixed parameter which was independent of the amount of material transferred.…”

Section: Introductionmentioning

confidence: 99%

Introducing the Concept of Roving Pumps in the Synthesis of Multipurpose Batch Plants

Engelbrecht

Majozi

2018

Ind. Eng. Chem. Res.

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Presented in this article is a novel technique for the exploitation of a unique feature of multipurpose batch plants, so-called Roving pumps. The discretized nature of batch processes allows for the allocation of pumps to different units and tasks depending on pump availability over the time horizon of interest. A MILP formulation is proposed to determine the optimal number and allocation of pumps within the batch plant while simultaneously synthesizing the plant and optimizing the production schedule with variable material transfer times. It is shown by way of an example that it is possible to decrease the number of pumps required for operation from seven to two pumps, while another example demonstrates a decrease in the number of pumps required from eleven to three. It is, therefore, possible to reduce capital and maintenance costs by implementing the formulation while still achieving or improving on existing throughputs.

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Heat integration of intermittently available continuous streams in multipurpose batch plants

Cited by 17 publications

References 36 publications

Energy-Oriented Production Planning in Industry: A Systematic Literature Review and Classification Scheme

Energy-Oriented Production Planning in Industry: A Systematic Literature Review and Classification Scheme

Achievements and Perspectives of Process Integration in Cis Countries

Introducing the Concept of Roving Pumps in the Synthesis of Multipurpose Batch Plants

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