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All Journal Dinasti International Journal of Digital Business Management Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan
Andriyan, Andriyan
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Engineering Transportation

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Perancangan Sistem HPWH (Heat Pump Water Heater) Pada Km. Meratus Karimata Andriyan, Andriyan; Prayogi, Urip; Dwisetiono, Dwisetiono
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 1, Nomor 3, Edisi November 2020
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/zl.v1i3.11092

Abstract

The need for hot water on a ship is one of the facilities that must be obtained by the crew while carrying out their duties on the KM. Meratus Karimata is one of the ships that provide hot water as a facility for crew members. The heating system on this ship still uses the EHHW (Electric Heating Hot Water) heating system which will then be changed to the HPWH (Heat Pump Water Heater) system. This hot water need is based on the MLC (Marine Labor Convention) regarding the provision of recreational facilities on deck accommodation. The provision of hot water needs to be calculated and designed. The first thing to do is to calculate all distribution support components. Then the data for the needs of pumps with a power of 0.504 Kw, valves, shower taps, sink taps, pipe connections, and SCH 40 pipes with a diameter of ¾ "and 1" are obtained. After that, the design is carried out using software assistance. After the design is carried out, the calculation of component costs is carried out with details of the valve price of IDR 10,129,000, pipe IDR 5,186,000, pipe connection IDR 1,751,000, supply pump IDR 1,150,000, HPWH 95,300,000. The price of EHHW and HPWH is a difference of IDR 21,300,000, which is more expensive for HPWH. However, in the calculation of fuel consumption, HPWH is more efficient with HPWH fuel consumption data of 0.11 liters/hour at a cost of Rp.1,249 / hour, while fuel consumption for EHHW is 0.77 liters/hour at a cost of Rp.10,116/ hour.
Green Supply Chain Implementation on Tempeh Industry in North Jakarta Nasution, Nursery Alfaridi S; Nofrisel, Nofrisel; Andriyan, Andriyan; Sekar Widyastuti Pratiwi; Muhammad Luqmanul Hakim
Dinasti International Journal of Digital Business Management Vol. 5 No. 2 (2024): Dinasti International Journal of Digital Business Management (February - March
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/dijdbm.v5i2.2280

Abstract

Qualitative research relies on both primary and secondary data. This research aims to elucidate the implementation of green supply chain management in the tempeh industry, as well as to illustrate how green supply chain management can be applied to effectively manage waste generated by the tempeh industry. The ultimate goal is to promote environmental sustainability and mitigate the issue of industrial waste, thereby ensuring a clean and healthy environment. The findings of this study indicate that the integration of green supply chain management in the tempeh industry has been effectively executed. The utilization of raw resources also aligns with the concepts of green supply chain. In addition to that, there is excellent cooperation within the supply chain. Nevertheless, there are still areas for improvement in the supply chain flow of the green supply chain implementation in the tempe business in North Jakarta. Additional empirical study is required to examine the aspects that contribute to the performance of green supply chains.
Co-Authors Dwisetiono, Dwisetiono Muhammad Luqmanul Hakim Nofrisel, Nofrisel Nursery Alfaridi S Nasution Sekar Widyastuti Pratiwi Urip Prayogi