<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>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.</p>
</abstract>

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.

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

Department of Industrial Engineering, Faculty of Engineering

Department of Environmental Engineering, Faculty of Engineering

Production Engineering Archives

This work is licensed under the Creative Commons Attribution 4.0 International License.

This research aims to design recommendations for improving the tofu production process in Sugihmanik Village. Over 30 tofu small medium enterprises (SMEs)...

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

Published Online: Oct 27, 2023

Page range: 452 - 460

Received: Jul 13, 2023

Accepted: Sep 04, 2023

DOI: https://doi.org/10.30657/pea.2023.29.50

Keywords
Circular economy, Environmental impact, Eco-efficiency, Life cycle assessment, Tofu wastewater

© 2023 Sri Hartini et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

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

Published Online: Oct 27, 2023

Page range: 452 - 460

Received: Jul 13, 2023

Accepted: Sep 04, 2023

DOI: https://doi.org/10.30657/pea.2023.29.50

KeywordsCircular economy, Environmental impact, Eco-efficiency, Life cycle assessment, Tofu wastewater

© 2023 Sri Hartini et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Circular economy, Environmental impact, Eco-efficiency, Life cycle assessment, Tofu wastewater