The Role of Reverse Logistics in Recycling of Wood Products

Burnard, Michael David; Tavzes, Črtomir; Tošić, Aleksandar; Brodnik, Andrej; Kutnar, Andreja

doi:10.1007/978-981-287-643-0_1

Cited by 8 publications

(8 citation statements)

References 19 publications

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“…Devjak et al (1994) formulated a mathematical model for optimizing the transportation of wood waste produced in sawmills, but did not present any computational experiments to back up its efficiency. Burnard et al (2015) gave a reverse logistics model for facility location and transportation for waste wood, and presented computational results for a use-case in Slovenia.…”

Section: Introductionmentioning

confidence: 99%

“…Initially, wood is collected and sorted according to pre-defined quality grades, which will also determine its future use. Higher quality wood is transported for recycle and reuse at processing facilities, producing resources that can compete with freshly harvested wood (Burnard et al, 2015). Waste wood can also be shredded for particle board/wood pellet production, or simply burned for energy (Cocchi et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Robust facility location in reverse logistics

et al. 2021

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As environmental awareness is becoming increasingly important, alternatives are needed for the traditional forward product flows of supply chains. The field of reverse logistics covers activities that aim to recover resources from their final destination, and acts as the foundation of the efficient backward flow of these materials. Designing the appropriate reverse logistics network for a given field is a crucial problem, as this provides the basis for all operations connected to the resource flow. This paper focuses on design questions in the supply network of waste wood, dealing with its collection and transportation to designated processing facilities. The facility location problem is studied for this use-case, and mathematical models are developed that consider economies of scale and the robustness of the problem. A novel approach based on bilevel optimization is used for computing the exact solutions of the robust problem on smaller instances. A local search and a tabu search method is also introduced for solving problems of realistic sizes. The developed models and methods are tested both on real-life and artificial instance sets in order to assess their performance.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Robust facility location in reverse logistics

et al. 2021

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“…While the traditional forward resource flows of wood are well-studied [8,9] and facilitylevel processes like sawmilling [10] or cutting pattern optimization [11] are also considered, the available literature on the reverse logistics processes of waste wood is significantly scarcer. Apart from studies about the use of waste wood for energy [12,13], the few existing papers revolve around variations of network design [14][15][16][17], but the optimization problems arising in the facilities of these networks are not addressed.…”

Section: Introductionmentioning

confidence: 99%

Robust Scheduling of Waste Wood Processing Plants with Uncertain Delivery Sources and Quality

2021

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While the study of reverse wood value chains has become an important topic recently, optimization-focused studies usually consider network-level problems and decisions, and do not address the individual processes in the network. In the case of waste wood, one such important process is the scheduling of the various machines in a waste wood processing facility to treat incoming wood deliveries with multiple sources and varying quality. This paper proposes a robust multi-objective mixed-integer linear programming model for the optimization of this process that considers the uncertain origins and compositions of the incoming deliveries, while aiming to minimize both lateness and energy consumption. An exhaustive study is performed on instance sets of different sizes and structures to show the efficiency and the limits of the proposed model both in single- and multi-objective cases.

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“…The wood waste for consumable items is getting prime attention due to stringent environmental laws and waste management issues [1]. The recycling of wood waste can be increased by developing wood waste composite products [2,3]. Presently, wood processing industries have stepped into developing different types of wood waste composite products.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Statistical Analysis of Saw Mill Wood Waste Composite Properties for Practical Applications

et al. 2021

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The utilization of composite materials is increasing at a growing rate in almost all types of products, due to their strength-to-stiffness ratio. From this perspective, natural waste composites, i.e., wood waste composites, have also been investigated for their effective and sustainable employment. This paper deals with the application of hard and soft wood waste (i.e., acacia and cedar wood) with epoxy resin polymer to develop high strength and thermally stable wood composites. Mechanical (tensile, flexural, impact, and hardness) and thermal properties of samples are studied using Differential Scanning Calorimeter (DSC) and Thermo Gravimetric Analysis (TGA), respectively. The properties are evaluated by varying the type of wood waste and its percentage by weight. Based on the Taguchi Orthogonal Array Mixture Design, eighteen experiments are investigated. Analysis of variance (ANOVA) results show that wood waste type and wood waste content have a significant effect on all mechanical properties. From the TGA analysis, it is predicted that both types of wood waste composites exhibit similar thermal-induced degradation profiles in terms of the initial and final degradation temperatures. From the DSC results, higher glass transition temperature Tg is detected in 10% of the hardwood waste composite, and a reducing tendency of glass transition temperature Tg is observed with exceeding wood waste content. Moreover, hardwood waste at 10% demonstrated improved decomposition temperature Td, due to strong adhesion between waste and matrix.

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The Role of Reverse Logistics in Recycling of Wood Products

Cited by 8 publications

References 19 publications

Robust facility location in reverse logistics

Robust facility location in reverse logistics

Robust Scheduling of Waste Wood Processing Plants with Uncertain Delivery Sources and Quality

Experimental and Statistical Analysis of Saw Mill Wood Waste Composite Properties for Practical Applications

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