臺灣博碩士論文加值系統

由於直接丟棄所造成有害環境的影響，因此重點轉移到回收上。本論文提出一個成本最小化模型用於多種類型廢棄物之逆物流系統，每個廢棄物經由回收後所產生之再生料必須要與原先一樣或是只能為單一種類。此回收系統主要由四個階層所建構，其分別為原始點、收集場、回收場及製造廠，任何種類之廢棄物可由原始點送往收集場或直接送往回收場，其直接送往回收場是基於整系統成本最小化，系統中所使用到之電機電子產品之回收率都需遵守廢電機電子設備指令。利用最佳化軟體求數學模型解後，我們發現廢棄物的體積會嚴重影響逆物流之成本，壓縮過後的廢棄物所產生之成本將會低於未經壓縮之廢棄物所產生之成本。

Due to the harmful environmental effects of disposal, the emphasis has been shifting towards recycling. This thesis presents a cost minimization model for a multi-type material waste reverse logistic system. For each waste after recycling, the material type should be the same or only one kind of regeneration material. The recycling system is constructed with 4 stages of process e.g. origination site, collection site, recycling facility and manufacturing. From the origination site, a certain type of waste can go to collection site or directly to the recycling facility based on consideration that minimum cost for entire system. As references we refer to WEEE to determine the recycling rate for each material type. By using the optimization software to solve the methodical model, we found that the volume of waste in this system will influence the reverse logistic cost seriously. When the collection site can compress the waste into smaller volume, the cost will be lower than the collection site can not compress the waste.

中文摘要 I
Abstract II
Contents III
Figure List V
Table List VI
CHAPTER 1 INTRODUCTION 1
1.1 Background and Motivation 1
1.2 Objective 3
1.3 Methodology 4
1.4 Organization of Thesis 6
CHAPTER 2 LITERATURE REVIEW 7
2.1 Reverse logistic 7
2.1.1 Introduction 7
2.1.2 Definition of reverse logistic 8
2.1.3 Different between reverse and forward logistic 10
2.2 WEEE Directive 12
2.2.1 Introduction 12
2.2.2 Definitions 13
2.2.3 Categories of EEE covered by WEEE Directive 14
2.3 Recycling 16
2.3.1 Introduction 16
2.3.2 Source of recycling 16
CHAPTER 3 MODEL FORMULATION 18
3.1 Assumption and Notations 18
3.2 Recycling system problem 21
3.3 Recycling model 24
CHAPTER 4 THE SOLUTION APPROACH 30
CHAPTER 5CONCLUSION 36
5.1 Conclusion 36
5.2 Future work 37
REFERENCE 38
APPENDIX 41

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