Process systems engineering (PSE) has been an active research area for nearly seventy years and addresses multiple systems from the process industry. Among these are Process Supply Chains that can be described as interconnected sets of entities responsible for the sourcing, production and…
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When it was first introduced, the concept of sustainability in the forestry sector had a narrow focus on sustainable wood production. Since then, this concept has evolved and it now considers now the three sustainability dimensions (economic, environmental and social) of the whole forest wood supply…
Continue ReadingA multi-objective mixed integer linear programming model is developed to support supply chain design and planning decisions with societal goals. The developed model is built based on ToBLoOM, a Triple Bottom Line Optimization Modeling tool. Decisions include which suppliers to select, where to locate…
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Life cycle assessment (LCA) is the most applied methodology to compare the environmental impacts of different products and processes. As uncertainty may be present in the first three steps of an LCA an uncertainty analysis should be considered allowing higher confidence in the results. However, few…
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Nowadays the growing concerns about the environment and society in general led companies to invest in a sustainable development. In this way, companies’ design and planning decisions need to encompass simultaneously economic, environmental and social concerns. In addition, considering…
Continue ReadingSupply chains have become one of the most important strategic themes in the aerospace industry in recent years as globalization and deep technological changes have altered the industry at many levels, creating new dynamics and strategies. In this setting, sustainability at the supply chain level is…
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Sustainable Supply Chain have become a cornerstone to any company that seeks to achieve sustainable goals. A company’s image is no longer related to the old paradigm of being sustainable in its own activities, but instead is associated with a strong collaboration between all supply chain…
Continue ReadingTaking into account the increase of business competitiveness and legislation compliance faced by industry’s SC, environmental SC problems became a reality that companies have to deal with. This work is developed along this line and proposes a mixed integer linear programming model (MILP)…
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This work presents ToBLoOM – Triple Bottom Line Optimization Modeling, a decision support tool for the design and planning of sustainable supply chains. It consists of a multi-objective mixed integer linear programming model which integrates several interconnected decisions: facility location and…
Continue ReadingWhile planning to expand its tissue paper business, a Portuguese company aims to explore options regarding the design and planning of its supply chain accounting not only for economic objectives but also environmental and social concerns (the three pillars of sustainability). A multi-objective mixed…
Continue ReadingSustainability is more than ever a central concern when deciding a company’s strategy. Stakeholders are continuously pressuring industries to further reduce their environmental impact. In order to achieve that, it is imperative to look for solutions across all of the company’s operations adopting a supply…
Continue ReadingCompanies are continuously being pressured by governments, customers and NGOs to become environmentally sustainable. In the process industries this is a very important problem since the environmental impacts are often very significant. Although the assessment of the environmental…
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Supply chains are changing their business paradigm as they strive for sustainability and not just for increasing profits. Sustainability, however, is a concept that is open to interpretation since it is based on societal and organizational values. Little is known about what companies actually mean when…
Continue ReadingIncreased interest for sustainability reporting has been provoking both, companies and academics to deepen their research in sustainability and therefore on sustainability indicators. When assessing social sustainability a lack of knowledge is present and due to the increased stakeholders’ pressures…
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In order to reduce the effects of water pollution by anthropogenic causes, it is critical to use wastewater treatment plants networks (WWTNs) as an option to remove contaminants that are considered harmful to human health (Bagajewicz and Faria, 2009). These systems are also a…
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Global markets have been facing an increasing competitiveness, leading to a dramatic intensification of the market pressures in terms of business sustainability. Businesses, through their industrial processes, urgently require retrofit actions for improving their sustainability performance…
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During the last two decades, EU legislation has put increasing pressure on member countries to achieve specified recycling targets for municipal household waste. These targets can be obtained in various ways choosing collection methods, separation methods, decentral or central logistic systems…
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A Mixed Integer Linear Programming model for the design and planning of green supply chains is developed. Strategic and tactical decisions are taken, namely on facility location and capacity installation, supplier selection, technology selection, transportation network definition, supply…
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