MULTI VENDOR-SINGLE BUYER INTEGRATED INVENTORY MODEL IN RECYCLED TEXTILE INDUSTRY
Rapid development in fashion industry has made many industry players compete with each other in order to produce the best products according to the wishes of today's consumers. But without realizing it, the produced of solid waste also increases and participates in environmental pollution. Seei...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/51522 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Rapid development in fashion industry has made many industry players compete with each other in order to produce the best products according to the wishes of today's consumers. But without realizing it, the produced of solid waste also increases and participates in environmental pollution. Seeing this, nowadays industries that apply green manufacturing concept are starting to emerge. PT. Superbtex Nonwoven Division is one of the company that implementing green manufacturing concept in Bandung by using textile solid waste as raw material and processing it into finished products that worth selling. Even so, solid waste produced by consumers and garment factories is very large and cannot be accommodated as a whole by the company. Moreover, the company cannot process all types of solid waste and sorting process is needed to select recyclable waste. This is also done in order to improve the quality of the recycle products and reduce obstacles to the production process on the machine.
Another problem arises from an inventory point of view, both at vendors (garment factories and collectors from consumers) and buyers (PT. Superbtex Nonwoven Division as a waste processing industry). Where if the delivery of waste from vendors to buyers is carried out in small quantities and in relatively frequent times, it will reduce inventory costs of buyers, but on the other hand it will increase transportation costs of vendors, and vice versa.
So the authors conducted research on the problem of a multi vendor-single buyer integrated inventory system that considers independent transportation, sorting, and disposal to find the minimum total system cost by looking for the optimal value of order lot size, delivery frequency, and proportion of the order lot size that needs to be delivered by each vendor to the buyer. |
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