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Author: Ulrika Wising
Publisher:
ISBN: 9789172913370
Category :
Languages : en
Pages : 76
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Book Description
The technical and economic conditions for reducing the energy consumption cost-efficiently and there by releasing a surplus of biomass fuel in the pulp and paper industry are changing. For example, new environmental restrictions increase the need for closed water loops and other system modifications, which can lead to increased opportunities for energy savings. Closing the water loops can however require that new processes be developed to remove non-process elements, and those processes are likely to increase the energy consumption. There has also been a deregulation of the power market, which creates new incentives and opportunities for cogeneration of electric power in the pulp and paper industry. Finally, energy policy instruments such as CO2 taxes, CO2 trading and long-term agreements between government and industry are intended to increase the incentive for industry to invest in energy saving projects. As a result of these new conditions, the degree of energy efficiency is likely to become a more strategic issue in the future for pulp mill operations. In order to achieve optimal cost-competitive operation, there is a need for a systematic approach to the system consequences when making the above-mentioned changes, also taking into account external factors, such as cost of fuel, power, etc.. Given this background, the objective of this thesis has been to perform overall energy system analysis for several green field mills and scenarios. The emphasis has been on understanding how the energy saving potential changes under different circumstances in the mill, i.e. the amount of warm and hot water produced, type of digester, etc.. The results show that there is between 1.0 and 2.2 GJ/air-dried metric tonne (GJ/t) of excess heat available in the model mills evaluated. Depending on the mill configuration, different amounts of live steam saving can be achieved, varying between 12 and 21% of the total live steam demand.
Author: Ulrika Wising
Publisher:
ISBN: 9789172913370
Category :
Languages : en
Pages : 76
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Book Description
The technical and economic conditions for reducing the energy consumption cost-efficiently and there by releasing a surplus of biomass fuel in the pulp and paper industry are changing. For example, new environmental restrictions increase the need for closed water loops and other system modifications, which can lead to increased opportunities for energy savings. Closing the water loops can however require that new processes be developed to remove non-process elements, and those processes are likely to increase the energy consumption. There has also been a deregulation of the power market, which creates new incentives and opportunities for cogeneration of electric power in the pulp and paper industry. Finally, energy policy instruments such as CO2 taxes, CO2 trading and long-term agreements between government and industry are intended to increase the incentive for industry to invest in energy saving projects. As a result of these new conditions, the degree of energy efficiency is likely to become a more strategic issue in the future for pulp mill operations. In order to achieve optimal cost-competitive operation, there is a need for a systematic approach to the system consequences when making the above-mentioned changes, also taking into account external factors, such as cost of fuel, power, etc.. Given this background, the objective of this thesis has been to perform overall energy system analysis for several green field mills and scenarios. The emphasis has been on understanding how the energy saving potential changes under different circumstances in the mill, i.e. the amount of warm and hot water produced, type of digester, etc.. The results show that there is between 1.0 and 2.2 GJ/air-dried metric tonne (GJ/t) of excess heat available in the model mills evaluated. Depending on the mill configuration, different amounts of live steam saving can be achieved, varying between 12 and 21% of the total live steam demand.
Author: Jiří Jaromír Klemeš
Publisher: Elsevier
ISBN: 0857097253
Category : Technology & Engineering
Languages : en
Pages : 1201
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Book Description
Since its first development in the 1970s, Process Integration (PI) has become an important methodology in achieving more energy efficient processes. This pioneering handbook brings together the leading scientists and researchers currently contributing to PI development, pooling their expertise and specialist knowledge to provide readers with a comprehensive and up-to-date guide to the latest PI research and applications. After an introduction to the principles of PI, the book reviews a wide range of process design and integration topics ranging from heat and utility systems to water, recycling, waste and hydrogen systems. The book considers Heat Integration, Mass Integration and Extended PI as well as a series of applications and case studies. Chapters address not just operating and capital costs but also equipment design and operability issues, through to buildings and supply chains. With its distinguished editor and international team of expert contributors, Handbook of Process Integration (PI) is a standard reference work for managers and researchers in all energy-intensive industries, as well as academics with an interest in them, including those designing and managing oil refineries, petrochemical and power plants, as well as paper/pulp, steel, waste, food and drink processors. This pioneering handbook provides a comprehensive and up-to-date guide to the latest process integration research and applications Reviews a wide range of process design and integration topics ranging from heat and utility systems to water, recycling, waste and hydrogen systems Chapters also address equipment design and operability issues, through to buildings and supply chains
Author: Rickard Fornell
Publisher:
ISBN: 9789173856959
Category :
Languages : en
Pages : 162
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Book Description
Author:
Publisher:
ISBN: 9789175971698
Category :
Languages : en
Pages : 170
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Book Description
Author: Cecilia Bengtsson
Publisher:
ISBN: 9789172914520
Category : Paper mills
Languages : en
Pages : 75
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Book Description
Author: Paul R. Stuart
Publisher: CRC Press
ISBN: 1439803463
Category : Science
Languages : en
Pages : 877
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Book Description
Integrated Biorefineries: Design, Analysis, and Optimization examines how to create a competitive edge in biorefinery innovation through integration into existing processes and infrastructure. Leading experts from around the world working in design, synthesis, and optimization of integrated biorefineries present the various aspects of this complex process, capturing the state of the art in the advancing bioeconomy. The book defines an integrated biorefinery as a processing facility that transforms biomass into value-added products—from biofuels and biochemicals to food and pharmaceuticals. The chapters cover biorefinery product and process design, supply chains, process analysis, feedstocks, technologies, and policy and environmental analysis. They focus on second-generation feedstocks, including forestry resources, energy crops, agricultural residues, oils, and various waste materials. With the growing interest in sustainability in general and in renewable resources in industrial facilities, biorefineries are likely to play increasingly significant roles and have greater economic, environmental, and societal impact. This book fills an information gap by presenting cutting-edge advances that can effectively guide engineers and decision makers in the synthesis, selection, design, analysis, and optimization of biorefineries.
Author: Mohammad Reza Rahimpour
Publisher: Elsevier
ISBN: 0323985009
Category : Technology & Engineering
Languages : en
Pages : 598
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Book Description
Advances in Synthesis Gas: Methods, Technologies and Applications: Syngas Production and Preparation is a collection of various chapters concerning many aspects of syngas production technologies, including common methods like gasification, steam/dry/autothermal reforming, membrane technology, etc., along with novel methods like plasma technology, micro-reactors, electrolysis processes as well as photocatalytic systems. In addition, different sources for producing syngas, including oil, crude oil, heavy oil, microalgae, black liquor, tar and bitumen, as well as municipal, agricultural, food, plastic, wood and cardboard wastes are described in detail. Introduces syngas characteristics and its properties Describes various methods and technologies for producing syngas Discusses syngas production from different roots and feedstocks
Author: Andreas Hauer
Publisher: John Wiley & Sons
ISBN: 1119760100
Category : Science
Languages : en
Pages : 932
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Book Description
ADVANCES IN ENERGY STORAGE An accessible reference describing the newest advancements in energy storage technologies Advances in Energy Storage: Latest Developments from R&D to the Market is a comprehensive exploration of a wide range of energy storage technologies that use the fundamental energy conversion method. The distinguished contributors discuss the foundational principles, common materials, construction, device operation, and system level performance of the technology, as well as real-world applications. The book also includes examinations of the industry standards that apply to energy storage technologies and the commercial status of various kinds of energy storage. The book has been written by accomplished leaders in the field and address electrochemical, chemical, thermal, mechanical, and superconducting magnetic energy storage. They offer insightful treatments of relevant policy instruments and posit likely future advancements that will support and stimulate energy storage. Advances in Energy Storage also includes: A thorough introduction to electrochemical, electrical, and super magnetic energy storage, including foundational electrochemistry concepts used in modern power sources A comprehensive exploration of mechanical energy storage and pumped hydro energy storage Practical discussions of compressed air energy storage and flywheels, including the geology, history, and development of air energy storage In-depth examinations of thermal energy storage, including new material developments for latent and thermochemical heat storage Perfect for practicing electrical engineers, mechanical engineers, and materials scientists, Advances in Energy Storage: Latest Developments from R&D to the Market is also an indispensable reference for researchers and graduate students in these fields.
Author: Lawrence K. Wang
Publisher: CRC Press
ISBN: 1420072226
Category : Science
Languages : en
Pages : 1396
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Book Description
Most industrial and hazardous waste management resources cover the major industries and provide conventional in-plant pollution control strategies. Until now however, no book or series of books has provided coverage that includes the latest developments in innovative and alternative environmental technology, design criteria, managerial decision met
Author: Roger Hayter
Publisher: UBC Press
ISBN: 0774852070
Category : Business & Economics
Languages : en
Pages : 449
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Book Description
Columbia's forest economy is at a crucial crossroads, and Flexible Crossroads looks at the contemporary restructuring of British Columbia's forest economy, demonstrating how both resource dynamics and industrial dynamics have shaped this transformation.
