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Author: Franziska Weber Publisher: ISBN: Category : Languages : en Pages : 94
Book Description
The amount of waste electrical and electronic equipment (WEEE) is growing worldwide, and especially in Europe it is now one of the fastest growing waste streams. Currently, the focus of material recycling and recovery of WEEE lies on metals and is mostly disregarding the recycling of plastic components. This represents a hazard for the environment, the human health and also a lost economic opportunity. Main aim of this thesis is to elaborate on what conditions foster the increase of plastic recycling from waste electrical and electronic equipment. To achieve this, a system dynamics approach is chosen, and results suggest that increasing the incineration price under certain conditions or putting a tax on virgin plastic would incentivize the use of more recycled plastic. However, the latter is easier to apply in reality. This thesis contributes by providing the basis for further system dynamics models and by giving policy implications, which could be helpful for the European Union within its further strategic vision of making the economy more circular.
Author: Franziska Weber Publisher: ISBN: Category : Languages : en Pages : 94
Book Description
The amount of waste electrical and electronic equipment (WEEE) is growing worldwide, and especially in Europe it is now one of the fastest growing waste streams. Currently, the focus of material recycling and recovery of WEEE lies on metals and is mostly disregarding the recycling of plastic components. This represents a hazard for the environment, the human health and also a lost economic opportunity. Main aim of this thesis is to elaborate on what conditions foster the increase of plastic recycling from waste electrical and electronic equipment. To achieve this, a system dynamics approach is chosen, and results suggest that increasing the incineration price under certain conditions or putting a tax on virgin plastic would incentivize the use of more recycled plastic. However, the latter is easier to apply in reality. This thesis contributes by providing the basis for further system dynamics models and by giving policy implications, which could be helpful for the European Union within its further strategic vision of making the economy more circular.
Author: Rommert Dekker Publisher: Springer Science & Business Media ISBN: 9783540406969 Category : Business & Economics Languages : en Pages : 450
Book Description
This book addresses decision making in reverse logistics, which concerns the integration of used and obsolete products back into the supply chain as valuable resources. It covers a wide range of aspects, related to distribution, production and inventory management, and supply chain management. For each topic, it highlights key managerial issues in real-life examples and explains which quantitative models are available for addressing them. By treating a broad range of issues in a unified way, the book offers the reader a comprehensive view on the field of reverse logistics.
Author: Saikat Banerjee (M. Eng.) Publisher: ISBN: Category : Languages : en Pages : 89
Book Description
The world is facing a grave plastic waste problem. It is not new that we hear about oceanic death and morbid landfills. Only 8% of all the plastic produced is recycled in the US. This grotesque situation has been worsened by the Chinese ban of plastic waste imports from the developed western nations as of 2018. In this research we assess the feasibility of a novel approach to using existing e-commerce reverse logistics channels to take back post-consumer plastic. We use product sales data to estimate the post-consumer plastic volume. We then, design a mixed integer linear programming (MILP) based optimization model to assess different take-back routes and calculate various operational costs. In addition to the optimization model we determine the feasibility of this process by considering cost offsets such as price of virgin plastics. After that, we conduct a scenario-based sensitivity analysis to understand systemic cost and overall profit. We used the results of these analyses to formulate the strategic recommendations for companies interested in promoting or implementing e-commerce-based recycling programs. Finally, we assess the greenhouse gas emissions and corresponding externality costs through this process and perform a qualitative assessment of the stakeholder networks vital to making such a system operational. In conclusion, our results suggest that in certain scenarios it is economically feasible to facilitate a take-back process for post-consumer plastic using existing e-commerce-based reverse logistics channels while maintaining minimal additional emissions in the process.
Author: Martin Bonev Publisher: Diplomica Verlag ISBN: 3842869908 Category : Technology & Engineering Languages : en Pages : 157
Book Description
As legislations have become stricter and the competition on markets is getting stronger, companies facing return flows strive for the implementation of efficient and cost-effective reverse logistic procedures. At the same time, when managing reverse logistics, they are not only confronted with a high degree of uncertainties concerning the quality, quantity and timing or the product returns, but also with a dynamically changing environment. Various aspects, such the increasing amount of return flows, shorter repair and lead times as well as increasing disposal costs, affect the reverse logistic system and need to be managed proficiently. Additionally, handling product returns requires supportive computer aided modelling tools that are capable of handling the dynamic and complex characteristics of the reverse logistic system and allow an improved estimation of the impact of a changing environment and management decisions. For the purpose of this study, the system dynamics modelling approach has been identified as particularly suitable for illustrating the system in question with a special focus on understanding the dynamic behaviour over time. A generic system dynamics model has been exemplarily created and simulated using the program iThink. The model comprises end-to-end processes of the main reverse logistic activities related to customer returns and has been used for studying the strategic design and optimization of the reverse logistic system. In order to consider relevant uncertainties as well as environmental concerns and economic efficiency, representative policies have been applied where, inter alia, with the help of the graphical illustration of the processes, effective strategies could be implemented. A general evaluation of the system dynamics methodology has revealed the significant advantages of using supportive modelling techniques for strategic decision making. Particularly for complex systems that change over time, such as reverse logistics, applying appropriate computer aided modelling tools in order to anticipate the overall effect on processes caused by varying surroundings has proven essential. An effective utilization of system dynamics may significantly reduce the forecasting and planning risks within individual frameworks, such as capacity planning. Moreover, the generic approach allows the application of the model to any other industry that is characterized by uncertain capacity utilization and varying technical, economical and legal conditions.
Author: Majeti Narasimha Var Prasad Publisher: Butterworth-Heinemann ISBN: 012817031X Category : Science Languages : en Pages : 644
Book Description
Handbook of Electronic Waste Management: International Best Practices and Case Studies begin with a brief summary of the environmental challenges associated with the approaches used in international e-waste handling. The book's authors offer a detailed presentation of e-waste handling methods that also includes examples to further demonstrate how they work in the real world. This is followed by data that reveals the geographies of e-waste flows at global, national and subnational levels. Users will find this resource to be a detailed presentation of e-waste estimation methods that also addresses both the handling of e-waste and their hazardous effect on the surrounding environment. Includes case studies to illustrate the implementation of innovative e-waste treatment technologies Provides methods for designing and managing e-waste management networks in accordance with regulations, fulfilment obligations and process efficiency Reference guide for adapting traditional waste management methods and handling practices to the handling and storage of electronic waste until disposal Provides e-waste handling solutions for both urban and rural perspectives
Author: Aman Gupta Publisher: ISBN: Category : Business logistics Languages : en Pages : 316
Book Description
Environmentally conscious manufacturing and remanufacturing/recycling of end-of-life products are steadily growing in importance. The problem of managing the waste generated due to the disposal of many types of products has many aspects. The main driving forces for solving this growing problem are the rapid diminishment of raw material resources, decreasing space in landfills and increasing levels of pollution. The drivers associated with these forces are governmental regulations which require that the manufacturers take back the end-of-life products and customer perspectives on environmental issues. This research considers the problem of increasing levels of electronic and electrical equipments waste. The implementation of closed-loop supply chains can be beneficial both economically and ecologically for these problems. Relevant literature to understand various issues involved in the operation of reverse logistics systems and closed-loop supply chains is reviewed. Upon reviewing the issues involved in closed-loop supply chains, the problem is considered as an ill-structured problem. A problem structuring technique called Why-What's Stopping Analysis is used to analyze the problem from various perspectives. Also, since a closed-loop supply chain involves multiple objectives, two techniques for categorizing the objectives into fundamental and means objectives are presented: Fundamental Objective Hierarchy and Means Objective Network techniques, respectively. A Goal Program (GP) modeling approach is used to handle many of the objectives identified by the previously mentioned techniques. In this research a consolidated objective function is defined which includes all of the deviational variables considered in various goals defined in the model. The consolidated goal is to minimize the weighted sum of all deviational variables. A non preemptive goal programming approach has been used with goals being assigned different weights according to their priorities. The values of the deviational variables help the decision maker to see which of the different goals are satisfied with the existing values of parameters and which of the goals aren't. The goal program has been run with both uniform and variable demand values in all the periods. In the absence of real data, all the parameter values considered for this research have been assumed. The major contributions of the research are as follows: each member of the supply chain has its own individual objective and the related constraints which is a more realistic approach, the model considers multiple products, and the model considers operations at the product, subassembly, part, and material levels. All the above contributions make this research as the first approach of its kind which has never been attempted (based on literature reviewed) and the goal programming methodology used is also a well accepted approach among all the multi-objective programming approaches. Results show the effect of varying the priority/weight associated with a goal. Results also show that values of the deviational variables (positive or negative) help a decision maker to analyze the model. The goal programming approach is considered to be the most effective approach in terms of defining the mathematical model, analyzing the output, and modifying the model (if needed).
Author: Mark E. Ferguson Publisher: Auerbach Publications ISBN: 1420095250 Category : Business & Economics Languages : en Pages : 257
Book Description
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.
Author: Subramanian Senthilkannan Muthu Publisher: Springer ISBN: 9811395780 Category : Technology & Engineering Languages : en Pages : 99
Book Description
This book examines the environmental footprints of recycled polyesters, highlighting the benefits and impact of recycling polyester waste and preparing it to replace virgin polyester in the raw material stage. It also discusses the importance of recycled polyester as a sustainable raw material in textile production.
Author: Franziska Weber
Author: Franziska Weber
Author: Saeed Rahimpour Golroudbary
Author: Rommert Dekker
Author: Saikat Banerjee (M. Eng.)
Author: Martin Bonev
Author: Majeti Narasimha Var Prasad
Author: Aman Gupta
Author: Mark E. Ferguson
Author: Silvia Ulli-Beer
Author: Subramanian Senthilkannan Muthu