Framework for Increasing Eco-efficiency in the Tofu Production Process: Circular Economy Approach

• Autorzy: Hartini Sri , Azzahra Faradhina , Purwaningsih Ratna , Ramadan Bimastyaji Surya , Sari Diana Puspita

Identyfikatory

DOI

10.30657/pea.2023.29.50

• Języki publikacji: EN

Abstrakty

EN

This research aims to design recommendations for improving the tofu production process in Sugihmanik Village. Over 30 tofu small medium enterprises (SMEs) generate solid and liquid waste, which pollutes the river. An eco-efficiency strategy was implemented and began by identifying the tofu production process. The life cycle assessment (LCA) method and the SimaPro software were used to calculate eco-cost and eco-efficiency levels. Based on the calculations, the eco-cost value per batch is USD 10.76. If 30 batches are produced daily, the eco-cost value in one of the tofu SMEs is USD 9.10. Tofu production has an eco-efficiency index (EEI) value of 0.12. This value shows that tofu products are only affordable but have yet to be sustainable. The researchers then recommend using biogas from wastewater treatment to replace rice husks and corncobs. This study also develops a circular economy framework in the tofu production system. The output is expected to suppress the discharge of water and solid waste to increase the EEI value of the tofu production process in the future.

Słowa kluczowe

EN

circular economy; environmental impact; eco-efficiency; life cycle assessment; tofu wastewater

PL

gospodarka o obiegu zamkniętym; ekoefektywność; oddziaływanie na środowisko; szacowanie cyklu życia; ścieki

• Wydawca: Oficyna Wydawnicza Stowarzyszenia Menedżerów Jakości i Produkcji
• Czasopismo: Production Engineering Archives
• Rocznik: 2023
• Tom: Vol. 29, Iss. 4
• Strony: 452--460
• Opis fizyczny: Bibliogr. 33 poz., rys.

Twórcy

autor

Hartini Sri

• Department of Industrial Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, 50275 Indonesia

autor

Azzahra Faradhina

• Department of Industrial Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, 50275 Indonesia

autor

Purwaningsih Ratna

• Department of Industrial Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, 50275 Indonesia

autor

Ramadan Bimastyaji Surya

• Department of Environmental Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, 50275 Indonesia

• https://orcid.org/0000-0002-5194-0743

autor

Sari Diana Puspita

• Department of Industrial Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang, 50275 Indonesia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).