Heat Recovery

Explore modern waste heat recovery technology across a variety of industries In Waste Heat Recovery in Process Industries, esteemed thermal engineer Hussam Jouhara delivers an organized and comprehensive exploration of waste heat recovery systems with a focus on industrial applications in different temperature ranges. The author describes various waste heat recovery systems, like heat exchangers, waste heat boilers, air preheaters, direct electrical conversion devices, and thermal storage. The book also offers discussions of the technologies and applications relevant to different temperature ranges present in industrial settings along with revealing case studies from various industries. Waste Heat Recovery in Process Industries examines a variety of industries, from steel to ceramics, chemicals, and food, and how plants operating in these sectors can use waste heat to improve their energy efficiency, reduce energy costs, and minimize their carbon footprint. The book also offers: A thorough introduction to waste heat recovery systems, including recuperative and regenerative burners, heat exchangers, waste heat boilers, air preheaters, and heat pumps Comprehensive explorations of low temperature applications, below 100°C, including advantages and drawbacks, as well as illustrative case studies Practical discussions of medium temperature applications, between 100°C and 400°C, including case studies In-depth examination of high temperature applications, above 400°C, including several case studies Perfect for chemical, mechanical, process, and power engineers, Waste Heat Recovery in Process Industries is also an ideal resource for professionals working in the chemical, metal processing, pharmaceutical, and food industries.

The economical and efficient recovery of waste heat produced by industrial processes (such as chemical and petrochemical, food, pharmaceutical, energetics) and processes and applications in the municipal sphere (such as waste incinerators, heating plants, laundries, hospitals, server rooms) are priorities and challenges. This Special Issue focuses on heat exchangers as key and essential equipment for the practical realization of these challenges. The purpose of this Special Issue is to outline the latest insights and innovative and/or enhanced solutions from the design, production, operation, and maintenance points of view of heat exchangers in different applications of effective waste heat utilization.

Heat recovery methods play a pivotal role in maximizing energy efficiency and sustainability across various industries. In a world increasingly focused on resource conservation and environmental responsibility, the concept of recovering and repurposing heat has become integral to modern engineering and technology. This preface aims to provide an introductory overview of the significance of heat recovery methods, exploring their applications, benefits, and the growing importance of these techniques in the context of energy conservation and environmental stewardship. Introduction to Heat Recovery: Heat recovery involves capturing and utilizing thermal energy that would otherwise be lost during industrial processes, power generation, or HVAC operations. This reclaimed heat can be repurposed for various applications, such as space heating, water heating, or to enhance the efficiency of other processes. Applications Across Industries: Heat recovery methods find applications in diverse industries, including manufacturing, power generation, transportation, and building services. In manufacturing, for instance, heat recovery from industrial processes can lead to significant energy savings. Similarly, power plants can employ heat recovery systems to boost overall efficiency by capturing and utilizing waste heat. Technological Diversity: Various heat recovery technologies and systems contribute to this endeavor, ranging from heat exchangers and cogeneration (combined heat and power) systems to more specialized solutions like desiccant wheels and thermal storage. Each method addresses specific operational needs, providing a versatile toolkit for engineers and system designers. Environmental and Economic Impact: Beyond their technical prowess, heat recovery methods make a substantial contribution to environmental sustainability. By reducing the demand for additional energy inputs, these methods aid in mitigating greenhouse gas emissions and diminishing reliance on finite resources. Simultaneously, the economic benefits of improved energy efficiency underscore the financial advantages of adopting heat recovery practices. Challenges and Opportunities: While heat recovery holds immense promise, its widespread adoption faces challenges related to system integration, infrastructure, and economic considerations. Striking a balance between initial investment costs and long-term savings remains a crucial aspect of decision-making. However, as technological advancements continue, opportunities emerge to overcome these challenges, making heat recovery an increasingly viable and attractive option for industries worldwide. Conclusion: Heat recovery methods represent a cornerstone of sustainable and responsible energy management. As industries and societies strive to meet ambitious energy efficiency goals and reduce their environmental footprint, the role of heat recovery becomes ever more crucial. This exploration of heat recovery methods sets the stage for a deeper dive into specific technologies and applications, shedding light on the innovations driving the transition towards a more energy-efficient and environmentally conscious future.

This book comprises five chapters on developed research activities on organic Rankine cycles. The first section aims to provide researchers with proper modelling (Chapter 1) and experimental (Chapter 2) tools to calculate and empirically validate thermophysical properties of ORC working fluids. The second section introduces some theoretical and experimental studies of organic Rankine cycles for waste heat recovery applications: a review of different supercritical ORC (Chapter 3), ORC for waste heat recovery from fossil-fired power plants (Chapter 4), the experimental detailed characterization of a small-scale ORC of 3 kW operating with either pure fluids or mixtures (Chapter 5).

Heat Recovery with Commercial, Institutional, and Industrial Heat Pumps presents the basic concepts and thermodynamic behavior of mechanical vapor compression and recompression. It covers both ammonia water absorption and compression/resorption heat pumps. Including theoretical and practical approaches, the book features numerous solved exercises based on real thermodynamic and climatic parameters and case studies with takeaways from on-site experiences to help the reader better identify the advantages and limitations of each heat pumping technology. The book discusses future implementations of heat recovery heat pump technologies that are among the most energy-efficient and environmentally friendly techniques. This book will interest graduate students studying HVAC, thermal systems, and heat pumps. It will also benefit professionals working with heat pumps, industrial process engineers, manufacturers, and research and design personnel.

This book presents a comprehensive coverage of fundamentals, latest technologies and industrial applications of Waste Heat Recovery (WHR) in process industries. Simple and effective WHR techniques are illustrated with industrial examples, to help readers to identify, calculate and develop heat recovery potential in their processes. Key benefits of WHR projects, which are useful for developing successful WHR business cases, are demonstrated. Special emphasis is given towards major technical risks and mitigation plans, for implementing sound WHR projects. Techniques for reaping benefits of WHR projects for longer periods are also outlined. Applying these techniques with an understanding of the principles explained in this book, and taking cues from the examples and suggestions, the reader will be able to realise sustained benefits in their process.Solution manual is provided for free to instructors who adopt this textbook. Please send your request to [email protected].

Thermal Cycles of Heat Recovery Power Plants presents information about thermal power plant cycles suitable for waste heat recovery (WHR) in modern power plants. The author covers five thermal power cycles: organic Rankine cycle (ORC), organic flash cycle (OFC), Kalina cycle (KC), steam Rankine cycle (SRC) and steam flash cycle (SFC) with the working fluids of R123, R124, R134a, R245fa, R717 and R407C. The handbook helps the reader to understand the latest power plant technologies suitable for utilizing the waste heat generated by thermal industrial processes. Key Features: - Comprehensive modeling, simulation, analysis and optimization of 5 power cycle types with different working fluids - Clear information about the processes and solutions of thermal power cycles to augment the power generation with improved energy conversion. - Simple, reader friendly presentation - bibliographic references after each chapter for further reading This handbook is suitable for engineering students in degree courses and professionals in training programs who require resources on advanced thermal power plant operation and optimal waste heat recovery processes, respectively. It is also a handy reference for energy conversion efficiency in heat recovery power plants. The book is also of interest to any researchers interested in industrial applications of thermodynamic processes.

This book on organic Rankine cycle technology presents nine chapters on research activities covering the wide range of current issues on the organic Rankine cycle. The first section deals with working fluid selection and component design. The second section is related to dynamic modeling, starting from internal combustion engines to industrial power plants. The third section discusses industrial applications of waste heat recovery, including internal combustion engines, LNG, and waste water. A comprehensive analysis of the technology and application of organic Rankine cycle systems is beyond the aim of the book. However, the content of this volume can be useful for scientists and students to broaden their knowledge of technologies and applications of organic Rankine cycle systems.