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Earlyna Sinthia Dewi
Universitas Muhammadiyah Mataram
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Protech Biosystems Journal

 1 
Effect Of Variation In Volume Addition Of Tofu Waste To Rice Straw On Biogas Formation Pacitra, Silda; Karyanik, Karyanik; Abdullah, Sirajuddin H.; Dewi, Earlyna Sinthia
Protech Biosystems Journal Vol 4, No 1 (2024): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v4i1.24998

Abstract

Abstract: Biogas is a renewable energy source. Biogas can be produced from agricultural waste and industrial waste. One of the alternatives to handling tofu industry waste that currently has a lot to be developed is to convert industrial waste into alternative fuel in the form of biogas. This study aims to determine the effect of the addition of tofu liquid waste on changes in temperature, pH, volume and pressure that occur during the formation of biogas. This research was conducted from July to August for 22 days. The method used in this research is the experimental method by conducting direct experiments. The design used in this study was a one-factor Completely Randomised Design (CRD), consisting of P0 with rice straw + 4 litres of water, P1 with the addition of 20% tofu liquid waste, P2 with 40%, P3 with 60%, P4 with 80% and P5 with 100%. Observation data were analysed with Analysis of Variance at the 5% level. The parameters observed in the study were temperature, pH, volume and pressure. Based on the results of the analysis that has been done, the lowest temperature was obtained in the P3 treatment at 27.39 ° C, while the highest temperature was obtained in the P2 treatment at 27.86 ° C. The lowest pH was obtained in the P5 treatment at 4.24, while the highest pH was obtained in the P1 treatment at 4.57. The lowest volume was obtained in the P1 treatment at 0.00000011513 m3, while the highest volume was obtained in the P0 treatment at 0.00000161291m3, the lowest pressure was obtained in the P3 treatment at 109.08 N/m2, while the highest pressure was obtained in the P2 treatment at 109.25 N/m2. Therefore, it can be concluded that the addition of tofu waste to rice straw does not significantly affect the formation of biogas produced.
Preparation of Biogas Made from Pineapple Waste with the Addition of Tofu Waste Kuswari, Zeta; Dewi, Earlyna Sinthia; Muanah, Muanah; Muliatiningsih, Muliatiningsih
Protech Biosystems Journal Vol 2, No 2 (2022): Protech Biosystems Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v2i2.12801

Abstract

One alternative energy source for making organic waste which can be renewed is pineapple waste and tofu waste. Biogas produced from these two materials is environmentally friendly so it does not disturb the environment. The purpose of this research was to determine the changes in temperature and pH that occurred during the formation of pressure and volume of biogas. The method used in this study was an experimental method using a completely randomized design (CRD). There are 4 treatments in this study, namely T1: pineapple waste; T2 : tofu liquid waste; T3 : addition of tofu solid waste; and T4 : addition of tofu liquid waste and tofu solid waste. The measurement results were then analyzed using analysis of variance (ANOVA). If significantly different results were found, a further test was carried out with BNJ. The results showed that the addition of tofu waste significantly affected the temperature, pH, pressure and volume of bioga. The average temperature for each treatment was 28oC, while the highest pH was 8.55. The highest pressure calculation results were found at T4 of 109.42 N/m2, while for the highest volume it was found at T4 of 0.000016642m3. Based on the description above, it can be concluded that the addition of tofu waste has a significant effect on the formation of biogas
Box Cooler Design on Duku Fruit Alcohol Distillation Machine with refrigerator cooling system Huda, Ahmad Akromul; Karyanik, Karyanik; Muanah, Muanah; Dewi, Earlyna Sinthia
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.33091

Abstract

This research aims to design and build an alcohol distillation machine made from duku fruit using a refrigerator cooling system and a box cooler as a condenser. The distillation machine utilizes a heating furnace to produce ethanol vapor from fermentation, which is then condensed in a cooled box cooler. Tests were conducted with variations in furnace temperature (110°C, 125°C, 140°C, and 155°C). The results show that the higher the heating temperature, the volume of distillate produced increases, from ±132 ml to ±330 ml. However, the ethanol content remained relatively low (10-20%) due to the low initial ethanol content of the fermentation and only one-stage distillation. These results show that the design of the device can function well on a laboratory scale, although further distillation is needed to increase the ethanol content. This research is expected to be the first step in developing a small-scale ethanol distillation device that is efficient and easy to implement.  
Co-Authors AA Sukarso Abdullah, Sirajuddin H. Agil Al Idrus, Agil Al Agus Abhi Purwoko Agustin, Citra Fitri Aliefman Hakim Aliefman Hakim Anggarwati, Nini Asmawati Asmawati Asmawati Asmawati Erni Romansyah Fitri Ramdani Hakiki, Fezi Handika Purnama Huda, Ahmad Akromul I Wayan Gunada Joni Rokhmat Karyanik, Karyanik Kuswari, Zeta Lalu Rudyat Telly Savalas LALU RUDYAT TELLY SAVALAS Muanah, Muanah Muliatiningsih Muliatiningsih Munib Munib, Munib Ni Luh Putu Pebri Artayani . Nirmala, Siska Ayu Nur Annisa Istiqamah Nurhayati Nurhayati Pacitra, Silda Purnama, Handika Putri, Dina Soes Rosyid Ridho Sari, Desy Ambar Sri Idawati Suhairin, Suhairin Suwati Suwati Suwati, Suwati Syirril Ihromi, Syirril Wiryono, Budy Yahdi, Yahdi Ziana Datul Rizka