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All Journal Prosiding Konferensi Nasional PKM-CSR Jurnal Sains dan Teknologi
Irvan Setiadi Kartawiria
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Design Application And Its Economic Analysis Of Quick Tempe Technology In Pamulang Theofilus Christian; Tabligh Permana; Stacia Andani Fortunata; Della Rahmawati; Irvan Setiadi Kartawiria; Maria Dewi Puspitasari Tirtaningtyas Gunawan Puteri
Prosiding Konferensi Nasional Pengabdian Kepada Masyarakat dan Corporate Social Responsibility (PKM-CSR) Vol 2 (2019): Peran Perguruan Tinggi dan Dunia Usaha dalam Mempersiapkan Masyarakat Menghadapi Era I
Publisher : Asosiasi Sinergi Pengabdi dan Pemberdaya Indonesia (ASPPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.474 KB) | DOI: 10.37695/pkmcsr.v2i0.473

Abstract

Ipeh Tempe House in Pamulang was unable to fulfill their demand for more tempe production due to their limitation to expand the production using their own method. Quick tempe technology is a tempe production method with less production time than the common production method. Implementation of this method could increase production capacity without further infrastructure investment. Prior the implementation, the quick tempe technology was adjusted with the current production method in Ipeh Tempe House. Adjustment made was especially in the proper ratio of starter addition, the proper GDL addition method, and the maximum number of back slopping. The scheduling models of GDL tempe production method in Ipeh tempe house were designed to increase the production capacity of Ipeh tempe house, and the economic analysis was also performed to see whether the schedules suggested was feasible to do in real life, by calculating the profits generated by the schedules, and all of them were more profitable than normal method. To conclude, the procedure can create more batches, while giving more profit, but validation for the procedure and calculation is still needed to be done, other thing such as back slopping sensory test is also need to be done.
Peningkatan Produksi Bioetanol dari Rebung Bambu Ampel (Bambusa vulgaris) Menggunakan Sakarifikasi dan Fermentasi Simultan Terekayasa Hendri Ropingi; Khaswar Syamsu; Irvan Setiadi Kartawiria
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 1 (2026): Februari 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i1.7532

Abstract

Bamboo shoots are lignocellulosic with low lignin and high protein content. This study compared bioethanol production from bamboo shoots (Bambusa vulgaris) using conventional and engineered simultaneous saccharification and fermentation (SSF) methods. The hydrolysis process was carried out using mold (Trichoderma reesei), followed by fermentation with yeast (Saccharomyces cerevisiae). The results of proximate analysis showed that bamboo shoots contained 25.51 ± 0.46% crude protein and 18.89 ± 0.37% fiber. In addition, the levels of cellulose, hemicellulose, and lignin were measured at 28.40 ± 0.49%, 31.28 ± 0.23%, and 3.77 ± 0.40%, respectively. The results showed that the conventional SSF technique produced ethanol at 3.42 ± 0.02 g/L, with a Yp/s of 0.37 ± 0.01 g/g. After the application of aeration engineering through the engineered SSF method, the ethanol concentration increased to 4.50 ± 0.01 g L⁻¹, with a Yp/s value of 0.50 ± 0.02 g/g. The ethanol formation rate and Yp/s values ​​in the engineered SSF method were also higher, namely 0.06 ± 0.00 g/L/h and 0.50 ± 0.02 g/g compared to the conventional SSF of 0.05 ± 0.00 g/L/h and 0.37 ± 0.02 g/g. The increase in ethanol yield from the engineered SSF method was 1.35 ± 0.05 times compared to the conventional SSF method.
Co-Authors Della Rahmawati Hendri Ropingi Khaswar Syamsu Maria Dewi Puspitasari Tirtaningtyas Gunawan Puteri Stacia Andani Fortunata Tabligh Permana Theofilus Christian