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Suparni Setyowati Rahayu1, Totok Prasetyo1, Purwanto Purwanto2

1) Politeknik Negeri Semarang
2) Doctoral Program of Enviromental Science, School of Postgraduate Studies, Universitas Diponegoro Semarang


Muffler industry has been closely related to wastewater processing before disposal into environment. Using an aerobic method, the wastewater can be converted into friendly of environment. Unfortunately, waste processing approach before its disposal into the environment has disadvantages. These disadvantages can be approached by a combination of clean production application and wastewater processing product. The production process in a company does not only result in the preferrable end product, but also provide non product output. This non product output may take the forms of material,water, and energy used for the production process but it cannot be the desired end product. Therefore, rather than obtaining added value, it tends to cause cost inefficiency for the industry. Besides, the non product output in the form of contaminant may have negative impact on the community and the environment. The objectives of this study were to identify and to evaluate the efforts of the clean production application by muffler industry in Purbalingga Regency, as well as to provide alternative to obtain good governance as an effort to put the clean production into practice. This study applied a descriptive method combined with engineering by explaining cost calculation for the muffler industry due to the existence of the non product output as compared to the total of production cost. This study revealed the inefficient use of raw material and water as well as hot spots. The calculation of the water, energy and material scales resulted in efficient use of raw material (72.37%), wastewater (82%), and energy (78%). The alternatives for the treatment/improvement dealing with the good governance as an opportunity for the clean production found during the observation were awareness of the required acceptance, monitoring and storage of the muffler raw material storage to produce high quality raw materials, and controlling the water and energy use during the production process.

Keywords: muffler, material, water, energy

Topic: Mechanical Engineering


Conference: The 1st International Conference on Innovation in Science Technology (ICIST 2019)

Plain Format | Corresponding Author (Suparni Setyowati Rahayu)

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