A Location-allocation Model for Bio-waste Management in the Hospitality Sector.

IF 1.6 3区工程技术 Q3 OPERATIONS RESEARCH & MANAGEMENT SCIENCE

Networks & Spatial Economics Pub Date : 2023-06-10 DOI:10.1007/s11067-023-09593-0

Dolores R Santos-Peñate, Rafael R Suárez-Vega, Carmen Florido de la Nuez

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引用次数: 0

Abstract

Tourism generates huge amounts of waste. It has been estimated that about half of the waste generated by hotels is food and garden bio-waste. This bio-waste can be used to make compost and pellets. In turn, pellets can be used as an absorbent material in composters and as an energy source. In this paper, we consider the problem of locating composting and pellet-making facilities so that the bio-waste generated by a chain of hotels can be managed at or close to the generation points. The general objective is twofold: i) to avoid waste transportation from generation to treatment points and product transportation from production to demand points, and ii) to implement a circular model in which the hotels themselves become the suppliers of the products they need (compost and pellets) by transforming the bio-waste that they generate. Any bio-waste not processed by the hotels has to be treated at private or state-run plants. A mathematical optimization model is presented to locate the facilities and allocate the waste and products. The application of the proposed location-allocation model is illustrated with an example.

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酒店业生物废物管理的位置分配模型。

旅游业产生了大量的浪费。据估计，酒店产生的废物中约有一半是食品和花园生物废物。这种生物垃圾可以用来制作堆肥和颗粒。反过来，颗粒可以用作堆肥机中的吸收材料和能源。在本文中，我们考虑了堆肥和颗粒制造设施的选址问题，以便连锁酒店产生的生物废物可以在产生点或附近进行管理。总的目标有两个：i）避免废物从产生点运输到处理点，避免产品从生产点运输到需求点，以及ii）实施循环模式，通过改造酒店产生的生物废物，酒店自己成为所需产品（堆肥和颗粒）的供应商。任何未经酒店处理的生物废物都必须在私人或国营工厂进行处理。提出了一个数学优化模型来定位设施和分配废物和产品。通过实例说明了所提出的位置分配模型的应用。

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来源期刊

Networks & Spatial Economics 社会科学-运筹学与管理科学

CiteScore

4.00

自引率

4.20%

发文量

审稿时长

>12 weeks

期刊介绍： Networks and Spatial Economics (NETS) is devoted to the mathematical and numerical study of economic activities facilitated by human infrastructure, broadly defined to include technologies pertinent to information, telecommunications, the Internet, transportation, energy storage and transmission, and water resources. Because the spatial organization of infrastructure most generally takes the form of networks, the journal encourages submissions that employ a network perspective. However, non-network continuum models are also recognized as an important tradition that has provided great insight into spatial economic phenomena; consequently, the journal welcomes with equal enthusiasm submissions based on continuum models. The journal welcomes the full spectrum of high quality work in networks and spatial economics including theoretical studies, case studies and algorithmic investigations, as well as manuscripts that combine these aspects. Although not devoted exclusively to theoretical studies, the journal is "theory-friendly". That is, well thought out theoretical analyses of important network and spatial economic problems will be considered without bias even if they do not include case studies or numerical examples.