Modeling Of A Logistics Network For Wood Flows From By Products And Cascade Utilization
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Modeling Of A Logistics Network For Wood Flows From By Products And Cascade Utilization
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Author : Mohammad Sadegh Taskhiri
language : en
Publisher: Cuvillier Verlag
Release Date : 2016-05-27
Modeling Of A Logistics Network For Wood Flows From By Products And Cascade Utilization written by Mohammad Sadegh Taskhiri and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-27 with Business & Economics categories.
Waste Wood and wood by-products have the potential to become attractive alternative sources of raw materials. Their efficient use is important due to the rising demand and limited supply of forest wood. Cascade utilization is gaining interest as a strategy to bridge the gap between rising wood demand and fresh wood availability. However, the economic and environmental impacts of a cascading system for wood-based products are not fully known. In this work, an investigation is conducted to determine the consequences of cascade utilization for the economic and environmental performance of logistics networks for wood flows. Two case studies in Lower Saxony consider five wood products, including medium density fiber (MDF), oriented strand board (OSB), particleboard, coated paper, and wood pellets. In the first case study, an approach for decision support is developed that consists of a mixed-integer linear programming (MILP) model. In the first case study, the MILP model is used for minimizing the costs of the logistics network for three scenarios. Then the UMBERTO software is applied to determine the quantity of CO2e of the minimized logistics network. In the second case study, the MILP model is enhanced using two objective functions, as cost and global warming potential (GWP) are considered simultaneously. In this case study, it is observed that environmental parameters such as CO2 emissions can also be implemented in the MILP. The utilization of a multi-objective optimization model brings new perspectives (the trade-off between two contradictory objective functions, for instance) in comparison to the first case study, in which CO2 is calculated as an off-line step after logistics costs are minimized. Altholz und Holz-Nebenprodukte besitzen das Potenzial, attraktive, alternative Rohstoffquellen zu werden. Ihre effiziente Nutzung ist von hoher Relevanz, da die Nachfrage nach Holz steigt und die Versorgung mit Holz aus Wäldern begrenzt ist. Um die Lücke zwischen der wachsenden Holznachfrage und - verfügbarkeit zu überbrücken, ist die Kaskadennutzung eine Strategie, welche zunehmendes Interesse erfährt. Allerdings sind die wirtschaftlichen und ökologischen Auswirkungen eines Kaskadensystems für Holzprodukte nicht vollständig bekannt. In dieser Arbeit wird eine Untersuchung durchgeführt, um die Folgen der Kaskadennutzung auf die Wirtschafts - und Umweltleistung von Logistiknetzwerken für Holzströme zu bestimmen. Im Rahmen von zwei Fallstudien in Niedersachsen werden fünf Holzprodukte, einschließlich mitteldichten Fasern (MDF), OSB-Platten (OSB), Spanplatten, beschichtetem Papier und Holz-Pellets betrachtet. In der ersten Fallstudie wird ein Ansatz zur Entscheidungsunterstützung entwickelt, der aus einem Mixed-Integer Linear Programming (MILP)-Modell besteht. Das MILP-Modell wird zuerst in drei verschiedenen Szenarien zur Minimierung der Logistikkosten angewendet. Mithilfe der UMBERTO-Software wird anschließend die Menge von CO2e bestimmt. In der zweiten Fallstudie wird das Modell für zwei Zielfunktionen weiterentwickelt und eingesetzt, bei denen die Kosten und das Treibhausgaspotenzial gleichzeitig betrachtet werden. Diese Fallstudie zeigt, dass auch Umweltparameter wie CO2-Emissionen mit MILP umgesetzt werden können. Die Verwendung eines Mehrzieloptimierungsmodells ermöglicht die Betrachtung neuer Perspektiven (zum Beispiel den Trade-off zwischen zwei widersprüchlichen Zielfunktionen) im Vergleich zur ersten Fallstudie, in welcher CO2-Emissionen in einem Offline-Schritt nach der Minimierung der Logistikkosten minimiert werden.
Modeling Of A Logistics Network For Wood Flows From By Products And Cascade Utilization
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Author : Mohammad Sadegh Taskhiri
language : en
Publisher:
Release Date : 2016-06-03
Modeling Of A Logistics Network For Wood Flows From By Products And Cascade Utilization written by Mohammad Sadegh Taskhiri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-03 with categories.
Entscheidungstheorie Und Praxis
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Author : Heike Y. Schenk-Mathes
language : de
Publisher: Springer-Verlag
Release Date : 2015-07-13
Entscheidungstheorie Und Praxis written by Heike Y. Schenk-Mathes and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-13 with Business & Economics categories.
Menschliches Entscheidungsverhalten ist Untersuchungsobjekt zahlreicher Wissenschaftsdisziplinen. Dieses Buch enthält aktuelle Forschungsergebnisse der Arbeitsgruppe Entscheidungstheorie und –praxis der Gesellschaft für Operations Research e. V. Das Buch liefert neue Erkenntnisse in den Bereichen der multikriteriellen Entscheidungstheorie und der Formulierung von Entscheidungsmodellen, sowie Auswertungen von Laborexperimenten zum Entscheidungsverhalten im individuellen und kollektiven Kontext. Insbesondere Fragen der konkreten Formulierung einer Entscheidungssituation und des Umgangs mit mehreren Zielgrößen werden eingehend erörtert. Darüber hinaus wird das Konzept der Laborexperimente aufgegriffen, um Abweichungen des tatsächlichen Entscheidungsverhalten von den theoretischen Lösungen aufzuzeigen. Dabei werden typische Entscheidungsmuster aufgedeckt und mit neuen Erklärungsansätzen verbunden.
Technical Abstract Bulletin
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Author :
language : en
Publisher:
Release Date : 1980
Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
Closed Loop Supply Chains
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Author : Mark E. Ferguson
language : en
Publisher: Auerbach Publications
Release Date : 2010-04-21
Closed Loop Supply Chains written by Mark E. Ferguson and has been published by Auerbach Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-21 with Business & Economics categories.
Closed-loop supply chain activities such as remanufacturing, recycling, dismantling for spare parts, and reverse logistics have helped many companies tap into new revenue streams by finding secondary markets for their products, all while reducing their overall carbon footprint. A comprehensive yet concise presentation of closed-loop supply chain processes, Closed-Loop Supply Chains: New Developments to Improve the Sustainability of Business Practices investigates the state of the art in this rapidly growing and environmentally significant field. Written by academic experts, in language that is accessible to practitioners, this reader-friendly reference examines recent research and case studies of companies running profitable reuse/remanufacture/recycling operations in various industries. It illustrates profitable practices in returned and recovered products, and clearly explains how to: design a reverse logistics network, conduct production planning, implement effective marketing strategies for recovered products, and apply closed-loop supply chain strategies in other industries besides manufacturing. From product development to materials to assembly and profitability, this authoritative resource illustrates the impact of these processes across all aspects of the supply chain. It provides a business perspective of how to properly implement these processes in your company to achieve profitable and sustainable operations in a more environmentally friendly manner. It also: Investigates strategic decisions companies face in regard to the secondary market for their products, including opportunity costs Examines tactical issues firms will face once the decision to remanufacture has been made, including how to market remanufactured products Summarizes the key characteristics and practices in a variety of industries where remanufacturing has been successful Explains how to conceptualize and manage changes due to switching to a closed-loop supply chain Demonstrates how to handle changing legislation Designed for ease of reference, each chapter covers a specific topic—in a completely self-contained manner—allowing readers to quickly and easily reference the chapters of particular relevance to their industry and situation.
Global Value Chains In A Changing World
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Author : Deborah Kay Elms
language : en
Publisher:
Release Date : 2013
Global Value Chains In A Changing World written by Deborah Kay Elms and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Business & Economics categories.
A collection of papers by some of the world's leading specialists on global value chains (GVCs). It examines how GVCs have evolved and the challenges they face in a rapidly changing world. The approach is multi-disciplinary, with contributions from economists, political scientists, supply chain management specialists, practitioners and policy-makers. Co-published with the Fung Global Institute and the Temasek
Handbook Of Operations Research In Natural Resources
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Author : Andres Weintraub
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-09-19
Handbook Of Operations Research In Natural Resources written by Andres Weintraub and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-19 with Science categories.
Handbook of Operations Research in Natural Resources will be the first systematic handbook treatment of quantitative modeling natural resource problems, their allocated efficient use, and societal and economic impact. Andrés Weintraub is the very top person in Natural Resource research. Moreover, he has an international reputation in OR and a former president of the International Federation of Operational Research Societies (IFORS). He has selected co-editors who are at the top of the sub-fields in natural resources: agriculture, fisheries, forestry, and mining. The book will cover these areas in terms with contributions from researchers on modeling natural research problems, quantifying data, developing algorithms, and discussing the benefits of research implementations. The handbook will include tutorial contributions when necessary. Throughout the book, technological advances and algorithmic developments that have been driven by natural resource problems will be called out and discussed.
Preprints Of Papers To Be Presented At The Annual Meeting
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Author : Canadian Pulp and Paper Association. Technical Section
language : en
Publisher:
Release Date : 1994
Preprints Of Papers To Be Presented At The Annual Meeting written by Canadian Pulp and Paper Association. Technical Section and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Papermaking categories.
Oil And Gas Production Handbook An Introduction To Oil And Gas Production
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Author : Havard Devold
language : en
Publisher: Lulu.com
Release Date : 2013
Oil And Gas Production Handbook An Introduction To Oil And Gas Production written by Havard Devold and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Gas fields categories.
Lean Six Sigma Logistics
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Author : Thomas J. Goldsby
language : en
Publisher: J. Ross Publishing
Release Date : 2005-08-15
Lean Six Sigma Logistics written by Thomas J. Goldsby and has been published by J. Ross Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-08-15 with Business & Economics categories.
Speed to market, reducing costs, and accelerating leadtimes are vital for survival in today's competitiveenvironment. Inventory is no longer considered an asset,and strategies are needed to operate with minimalinventories. Lean Six Sigma Logistics provides thevehicle to solidify strategic position, win overcustomers, and achieve ......