Cost benefits from standardization of the packaging glass bottles

Young Dae Ko, Injoon Noh, Hark Hwang

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


This study deals with a recycling system with two competing brewers. It is assumed that they coordinate their manufacturing operations through standardization of their glass bottles for easy implementation of extended producer responsibility (EPR). Immediate benefits from the standardization are three folds. Firstly, the sorting and exchange processes of the bottles collected for reuse by each brewer become no longer necessary. Secondly, cost reduction is achieved through streamlining of collection and reuse processes. Finally, under the stochastic demand of glass bottles their inventory holding costs and lost sales cost are reduced via inventory pooling. Through the development of the mathematical models we determine an optimal operation policy of the two brewers that maximizes the sum of benefits obtained from standardization. Numerical examples are solved to show the validity of the model. Sensitivity tests are also performed to examine the effects of system parameters on the objective function value and decision variables.

Original languageEnglish (US)
Pages (from-to)693-702
Number of pages10
JournalComputers and Industrial Engineering
Issue number3
StatePublished - Apr 2012

All Science Journal Classification (ASJC) codes

  • General Computer Science
  • General Engineering


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