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Karyanik, Karyanik
Prodi Teknik Pertanian, Fakultas Pertanian, Universitas Muhammadiyah Mataram
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Journal : Protech Biosystems Journal

 1 
Design of a Biomass Gasification Stove for Corn Cob Waste Teguh Permadi; Budy Wiryono; Karyanik Karyanik; Asmawati Asmawati
Protech Biosystems Journal Vol 2, No 1 (2022): Protech Biosystems Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v2i1.9518

Abstract

Stoves are one of the technologies that play an important role in energy utilisation at the household scale. The utilisation of biomass waste as a fuel source is because the waste has a significant energy content. Based on BPS statistics for corn production in 2016, NTB province reached 1,278,271 tonnes and increased in 2017 to reach 2,127,324 tonnes, based on these data it is possible that corn will produce corn cobs that have the potential to be developed into bioethanol and bioenergy. The purpose of this study was to design and build a household scale corn cob waste biomass gasification stove, determine the effect of variations in air flow velocity on room temperature in the combustion process of corn cob waste, determine the comparison of water boiling temperatures at variations in air flow velocity of 5.0 m/s, 10.0 m/s, and 15.0 m/s. The research method used is experimental method by conducting experiments and performance tests in the Agricultural Workshop Laboratory. The research was conducted by varying the speed of air entering the reactor with speed variations of 5.0 m/s, 10.0 m/s and 15.0 m/s. The parameters observed include combustion chamber temperature, water boiling temperature, and initial ignition time. The results showed that the air velocity variation of 15.0 m/s affected the highest combustion temperature with 359.13 with 100 grams of ash, then the highest water boiling temperature was 60℃, and the initial ignition was recorded at 2:20:31 minutes. From the results of this study, it can be said that using the highest speed variation can produce perfect combustion.
Design of a Compost Tablet Press System Nabila Agustina; Sirajuddin H Abdullah; Karyanik Karyanik
Protech Biosystems Journal Vol 1, No 1 (2021): Protech Biosystems Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v1i1.5979

Abstract

Compost is an organic fertilizer whose basic ingredients are from weathering plant material or organic waste. However, the community has a few obstacles, namely the need for very large doses of fertilizer which often makes its use difficult. Therefore, efforts need to be made to overcome this problem, namely by making the fertilizer form into a solid form. So a tablet compost printer was made that can determine the capacity of the tool's mold with a press system. Analysis of the data used in this study is a mathematical approach using Microsoft Excel and a statistical approach using ANOVA diversity analysis and further test of Honest Significant Difference (BNJ) level 5%. The results showed that the higher the addition of hydrogel, the lower the dimension value, both weight, height and diameter of the tablet. The capacity of the mold in each treatment was carried out 3 times the average repetition of each treatment at P1 4.41 kg/hour, P2 6.10 kg/hour and P3 6.30 kg/hour the weight of the compost material affects the capacity of the mold, the heavier the material being printed, the higher the capacity of the mold.
Effect of treatment of low carbon steel tensile test specimen on tensile strength for tractor wheel axle Karyanik, Karyanik
Protech Biosystems Journal Vol 3, No 2 (2023): PROTECH BIOSYSTEM JOURNAL
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v3i2.20793

Abstract

This study aims to determine the tensile strength of low carbon steel material specimens against the influence of specimen treatment. The method used in the research is an experimental method using a Universal Testing Machine and Vernier Caliper, namely specimen treatment using heating and cooling treatments with certain temperatures or temperatures. The parameters observed include stress, strain, initial diameter and final diameter. The research was carried out in the workshop laboratory of the Faculty of Agriculture, Muhammadiyah Mataram University and the Mechanical Engineering Laboratory, Mataram University. The data obtained were analysed mathematically. The test results showed that carbon steel experienced an increase in stress at a peak point of 350 N/mm2 and broke at a point of 250 N/mm2 at a strain of 31%.
Performance Analysis of Peanut Shelling Machine Against Peanut Pod Diameter Using Electric Motor Drive Ferdiansyah, Imam; Wiryono, Budy; Karyanik, Karyanik
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.v2i2.9472

Abstract

Groundnut production in West Nusa Tenggara Province has increased every year. Post-harvest handling of peanuts at the farm level is generally still done traditionally, especially when harvesting, threshing pods or stripping the peel, which requires a lot of labour. This study aims to determine the effect of peanut pod diameter on each parameter, tool efficiency, and tool production quality. The method used in this research is the experimental method by conducting experiments directly in the laboratory. The parameters observed in this study are the efficiency of the tool, the need for electrical power, and the quality of peanut seed stripping. The analysis results showed that each treatment with different diameters had no significant effect on each parameter observed. The stripping quality of the three treatments has not met the standard.
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.
Design of a Melinjo Flaking Machine with Hopper and Semi Automatic Collecting Tray Miftahurrahman, Miftahurrahman; Huda, Ahmad Akromul; Karyanik, Karyanik; H. Abdullah, Sirajuddin
Protech Biosystems Journal Vol 4, No 2 (2024): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v4i2.28533

Abstract

Demand for melinjo chips is high, but the current production method is less efficient in terms of time. The melinjo flattening machine is a new innovation that has the potential to replace the conventional process, thus optimising post-harvest handling. It is expected that the use of this flattening machine can increase work capacity and facilitate the production of quality melinjo flattening products in the future. This study used experimental methodology with a one-factor completely randomised design (CRD) research design. The experiment consisted of three treatments, namely P1, P2, and P3, with amounts of 1000 grams, 2000 grams, and 3000 grams, respectively. Each treatment was repeated three times, resulting in nine experimental units. Observation data were analysed using the BNJ test at the 5% level to determine which treatment had a significant effect on yield. The test results show that the melinjo seed flattener can operate properly. In testing the capacity of the tool shows the greatest working capacity of the machine, P3, which is 28.73 grams/minute.  The processing time test shows that the treatment that produces the most time is P3 of 88 minutes.  In testing the weight of the flattener results show that P3 produces the most with a value of 2516.67 grams. It is necessary to make improvements to the hopper and redesign by calculating the bulk angle of melinjo seeds, so that melinjo seeds can easily go down to the rationing section. In addition, a stirrer is designed for melinjo seeds that are ready to be flaked with the flattening machine so that when roasting with a stirrer, the melinjo seeds that are still hot are immediately put into the hopper so that they can be flattened using the semi-automatic flattening machine.
Analysis of Land Suitability for Avocado Plants (Persea americana M.) in the Educational Forest of the University of Muhammadiyah Mataram Fathoni, Ahmad; Romansyah, Erni; Gunawan, Adi; Wahyuni, Ida; Karyanik, Karyanik; Sudiyanto, I Wayan
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.v5i1.31020

Abstract

The 93.55-hectare Mataram Muhammadiyah University Educational Forest has been enriched with eucalyptus and gaharu plants since 2019. In 2024, further enrichment will be carried out with Durian, Avocado, Jackfruit, and Longan plants. The results of previous studies showed that the development plan for Durian plants has a marginal suitability class or S3. This study aims to determine the suitability class and area of land units for Avocado plants as an alternative choice, limiting factors and economic feasibility analysis. Land surveys using the free grid method on 9 land units and land evaluations by matching 14 parameters of land availability and land requirements for Avocado plants, namely soil conditions, climate, and land. The results of the study showed that land suitability for avocado plants was quite suitable (S2) on 3 land units covering an area of 34.15 Ha with limiting factors being texture, soil depth, Total N, Available K and Slope. The land suitability class was marginally suitable (S3) on 6 land units covering an area of 59.4 Ha with limiting factors being slope and soil depth. The investment cost for enrichment of MPTS avocado plants of 100 trees per hectare is Rp. 6,000,000 per hectare and the estimated return on capital is in the 6th year after planting
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 Abdul Faruq Abdul Hakim Abdul Hakim Abdullah, Sirajuddin H. Adi Ardiansyah Adi Gunawan, Adi Ahmad Fathoni Anggarwati, Nini Asmawati Asmawati Aulia, Yuliatin Earlyna Sinthia Dewi Erni Romansyah Farhatunnisa Farhatunnisa Faruq, Abdul Ferdiansyah, Imam Firzahl Arzhi Jiwantara Huda, Ahmad Akromul Ida Wahyuni Ida Wahyuni Indra Purnawirawan Jinwantara, Firzhal Arzhi Malik, Nina Maliq, Nina Marianah, Marianah Miftahurrahman, Miftahurrahman Mohammad Saharudin Molo, Hasanuddin Muanah Muanah Muanah Muanah, Muanah Muhammad Faisal Muhammad Fitrah Muliatiningsih Muliatiningsih Nabila Agustina Nasmi Herlina Sari Nazaruddin Nazaruddin Nur Annisa Istiqamah Nurhayati, Nurhayati Pacitra, Silda Purnawirawan, Indra Sari, Desy Ambar Sirajuddin H Abdullah Sirajuddin H. Abdullah, Sirajuddin Sudiyanto, I wayan Suhairin, Suhairin Suwati Suwati Suwati, Suwati Syirril Ihromi, Syirril Teguh Permadi Wiryono, Budy Zuliawan, Ikbal