On the use of Principal Component Analysis for reducing the number of environmental objectives in multi-objective optimization: Application to the design of chemical supply chains

Pozo, Carlos; Ruiz‐Femenia, Rubén; Caballero, José A.; Guillén‐Gosálbez, Gonzalo; Jiménez, Laureano

doi:10.1016/j.ces.2011.10.018

Cited by 71 publications

(44 citation statements)

References 29 publications

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“…These findings are in line with other studies on the potential for data reduction in terms of environmental indicators (Pozo et al. ; Brunet et al. ; de Saxcé et al.…”

Section: Discussionsupporting

confidence: 93%

“…Journal of Industrial Ecology environmental indicators (Pozo et al 2012;Brunet et al 2012;de Saxcé et al 2014;Sabio et al 2012;Li et al 2012;Gutierrez et al 2010;Pascual-González et al 2016). Compared to the original impact categories that were included, no indicators of human toxicity, PM formation, and freshwater eco-toxicity are among the supplemented headline set of indicators.…”

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confidence: 99%

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Headline Environmental Indicators Revisited with the Global Multi‐Regional Input‐Output Database EXIOBASE

Steinmann

Schipper

Stadler

et al. 2017

J of Industrial Ecology

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SummaryEnvironmentally extended multiregion input-output (EEMRIO) databases are used to quantify numerous environmental pressures and impacts from a consumption perspective. However, for targeted communication with decision makers, large sets of impact indicators are unfavorable. Small sets of headline indicators have been proposed to guide environmental policy, but these may not cover all relevant aspects of environmental impact. The aim of our study was to evaluate the extent to which a set of four headline indicators (material, land, water, and carbon) is representative of the total environmental impact embedded in an EEMRIO database. We also used principal component analysis combined with linear regression to investigate which environmental indicators are good candidates to supplement this headline indicator set, using 119 environmental indicators linked to the EEMRIO database, EXIOBASE. We found that the four headline indicators covered 59.9% of the variance in product-region rankings among environmental indicators, with carbon and land already explaining 57.4%. Five additional environmental indicators (marine eco-toxicity, terrestrial eco-toxicity, photochemical oxidation, terrestrial acidification, and eutrophication) were needed to cover 95% of the variance. In comparison, a statistically optimal set of seven indicators explained 95% of the variance as well. Our findings imply that there is (1) a significant statistical redundancy in the four headline indicators, and (2) a considerable share of the variance is caused by other environmental impacts not covered by the headline indicators. The results of our study can be used to further optimize the set of headline indicators for environmental policy.

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“…These findings are in line with other studies on the potential for data reduction in terms of environmental indicators (Pozo et al. ; Brunet et al. ; de Saxcé et al.…”

Section: Discussionsupporting

confidence: 93%

mentioning

confidence: 99%

Headline Environmental Indicators Revisited with the Global Multi‐Regional Input‐Output Database EXIOBASE

Steinmann

Schipper

Stadler

et al. 2017

J of Industrial Ecology

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“…In addition, the multi-objective optimization applied to supply chains based on biomass conversion has attracted an increasing interest within environmental and sustainability applications (Pozo et al, 2012). Along this line, Kravanja andČuček (2013) presented two multiobjective approaches for synthesizing sustainable systems for biogas production, both approaches considered a single product and the change over time was not taken into account.…”

Section: Nomenclaturementioning

confidence: 99%

A mixed-integer dynamic optimization approach for the optimal planning of distributed biorefineries

Santibáñez-Aguilar

Rivera-Toledo

Flores‐Tlacuahuac

et al. 2015

Computers & Chemical Engineering

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“…For instance, Jia et al (2006) employed MO optimization in the context of cleaner production, and Erol and Thöming (2005) for the eco-design of reuse and recycling networks. Recent publications (Guillén-Gosálbez and Pozo et al, 2012;Ruiz-Femenia et al, 2013) employed it in the optimization of chemical supply chains. The subject of the study by García and Caballero (2011) was an economic and environmental assessment of various alternatives for extracting acetic acid from water.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Simultaneous environmental and economic process synthesis of isobutane alkylation

García

Fernández‐Torres

2014

Journal of Cleaner Production

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This multidisciplinary study concerns the optimal design of processes with a view to both maximizing profit and minimizing environmental impacts. This can be achieved by a combination of traditional chemical process design methods, measurements of environmental impacts and advanced mathematical optimization techniques. More to the point, this paper presents a hybrid simulation-multiobjective optimization approach that at once optimizes the production cost and minimizes the associated environmental impacts of isobutane alkylation. This approach has also made it possible to obtain the flowsheet configurations and process variables that are needed to manufacture isooctane in a way that satisfies the above-stated double aim. The problem is formulated as a Generalized Disjunctive Programming problem and solved using state-of-the-art logic-based algorithms.It is shown, starting from existing alternatives for the process, that it is possible to systematically generate a superstructure that includes alternatives not previously considered. The optimal solution, in the form a Pareto curve, includes different structural alternatives from which the most suitable design can be selected. To evaluate the M

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On the use of Principal Component Analysis for reducing the number of environmental objectives in multi-objective optimization: Application to the design of chemical supply chains

Cited by 71 publications

References 29 publications

Headline Environmental Indicators Revisited with the Global Multi‐Regional Input‐Output Database EXIOBASE

Headline Environmental Indicators Revisited with the Global Multi‐Regional Input‐Output Database EXIOBASE

A mixed-integer dynamic optimization approach for the optimal planning of distributed biorefineries

Simultaneous environmental and economic process synthesis of isobutane alkylation

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