The furniture industry is suspected to have triggered global warming. The need for wood as raw material becomes a necessity for cutting down trees. The concept of a circular economy aims to reduce the use of natural resources by utilizing production waste or post-use product waste into raw materials. One strategy that can be used to support the circular economy is by implementing 6R. The application of 6R in a circular economic perspective on the furniture industry will be interesting to do. This study uses value stream mapping as a lean manufacturing analysis tool to identify furniture company waste. Value stream mapping is developed by integrating green manufacturing indicators such as material consumption and waste management. Practically, the furniture company can find out the map of production waste so that it can utilize waste as raw material for derivative products as an effort to reduce tree felling. Theoretically, this research will enrich the integration of green-value stream mapping toward the circular economy by implementing the 6R strategy in furniture companies. Reuse wood waste as a raw material for a variety of table products can reduce the amount of wood waste while reducing the resources of wood logs.
The aim of this study is to evaluate the environmental impact of the wood table production process using the Life Cycle Assessment. Case studies are carried out in a wood furniture SME in Indonesia. Each activity is modelled using primary data, related to the input and output of the process. The production process includes four phases: sawing process, construction process, assembly process, and finishing process. The system boundary includes all activities that occur within the woodworking plant including material and energy consumption, transportation, and additional products used. The study concluded that the most affected categories were climate change, human toxicity, and metal depletion. While the most contributing production processes are finishing.
This research proposes a business model for the furniture industry to address the circular economy concept. The circular economy aims to keep resources in use for as long as possible and recover product and material at the end of the life cycle. Game theory is used in this research. The conceptual model proposes rent option, so the end-user is possible to use the furniture in the desired time. Using the rent option to the product could be taken back from the end-user and could be sold or rent it again to another user. The concept of game theory is to formulate and suspect the situations of interaction between players involved, and also decisions taken. Therefore, game theory is used to determine an optimal strategy among players. Player strategies are taken when it has reached the Nash Equilibrium. The proposed model consists of 4 parties, such as the furniture industry, remanufacturer, distributor, and end-user. The payoff is determined for every player to observe each player’s profit in addressing CE. Based on the result, there is one strategy that reached the Nash equilibrium. We also picked out 3 of 162 possible plan that gives the best advantages for all players. Each strategy contains players’ prices decision, and for the end-user decision is the length of rent.
PT. Coca-Cola Amatil Indonesia (PT. CCAI) merupakan perusahaan yang bergerak di bidang minuman ringan dalam kemasan. Perusahaan ini menjadi pusat produksi produk Coca-Cola regional Jawa Tengah. Berbagai macam produk seperti Coca-Cola, Fanta, Sprite, Minute Maid dan Frestea diproduksi demi memenuhi kebutuhan pelanggan. Produk-produk tersebut tentunya tidak terlepas dari permasalahan produk cacat, dimana dalam produksinya terdapat produk yang tidak sesuai dengan standar ketetapan produk. Secara umum, produk cacat PT.CCAI dibagi menjadi tiga tipe, yakni cap, cap quality, dan underfill. Dari hasil analisis yang dilakukan, produk Coca-Cola 1000 ml memiliki jumlah cacat yang paling besar, yakni 0,49%. Penyebab terbesar dari terjadinya cacat produk pada produk Coca-Cola 1000 ml adalah underfill, dimana volume dari produk yang dihasilkan tidak sesuai dengan batas minimal. Permasalahan tersebut diselesaikan menggunakan konsep Lean Six Sigma dengan menggunakan tools diagram Pareto dan diagram tulang ikan. Dari hasil analisis menggunakan tools tersebut, PT. CCAI Semarang disarankan untuk memberikan pelatihan-pelatihan mengenai manajemen waktu pada karyawan-karyawannya, terutama pada karyawan-karyawan baru. Selain itu, PT. CCAI Semarang harus juga melakukan pengecekan mesin yang lebih rutin dan lebih memperhatikan lingkungan area produksi.
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