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All Journal Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS)
Khairul Anshar
Industrial Engineering Department, Faculty of Engineering, Malikussaleh University, Reuleut, North Aceh, 24187, Indonesia
Engineering Environmental Science Physics

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Pyrolyzed Bio Charcoal Briquettes Of Solid Waste From Lhokseumawe Patchouli Oil Refinery Zainuddin Ginting; Khairul Anshar; Adi Setiawan; Ishak Ishak; Chalisna Wildani; Sri Widia Santika; Cut Riski Milya
Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) Vol. 3 (2022): Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MI
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/micoms.v3i.40

Abstract

The availability of petroleum fuels derived from fossils is decreasing along with the increase in the human population. This study aims to create bio-charcoal briquettes derived from solid waste of patchouli oil refining. Research on the use of the by-products of the pyrolysis process on solid waste from patchouli oil refining for making bio charcoal briquettes was carried out using temperature variables of 300, 350 and 400 °C, raw material weights of 600, 1200, and 1800 grams and pyrolysis time variables of 60, 90, 120 and 150 minutes. Solid waste has first been cut into small sizes, dried in the sun first, and then put into a pyrolysis device to be carbonized according to predetermined variables. The results of pyrolysis were then put into a desiccator to cool for 30 minutes and then tested for moisture content, ash content, fly content, bound carbon content, calorific value, SEM test, and combustion rate. The best research results obtained were at a temperature of 400 °C, a raw material weight of 600, and a time of 150 minutes with a thermal value of 5,291 cal/g, a moisture content of 5.77%, an ash content of 4.28%, a volatile matter content of 9.11% and a bound carbon content of 77.42% and a combustion rate of 0.1841 grams/minute. The obtained calorific value shows that patchouli solid waste bio charcoal can be used as an alternative fuel that can be renewed and fulfills SNI 01-6235-2000.
Application of Design Thinking Method in Developing Website-Based Balanced Fertilizer Usage Information System Subhan A. Gani; Khairul Anshar; Syamsul Bahri; Syukriah; M. Saptariawan
Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) Vol. 3 (2022): Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MI
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/micoms.v3i.229

Abstract

At this time the use of fertilizers is very important to increase plant productivity, but the use of fertilizers that are not in accordance with the needs of plants can affect the environment and the plants themselves due to improper use of fertilizers. After a survey conducted to farmers in North Aceh Regency, 90 percent of the 30 respondents surveyed did not know how to use balanced fertilizers. From these problems the author wants to develop website-based balanced fertilization information media that can be accessed anywhere via cellphone or laptop, in the development of information media using the Design Thinking method to design information media and using the System Usability Scale (SUS) and User Experience Questionnaire (UEQ) methods to test the website. The results of this study are the creation of website-based balanced fertilization information media that can answer the problems that occur and can help farmers get information, and the results of SUS testing get a performance value of 86.83 (Excellent), while UEQ testing gets a benchmark value above the average on 6 aspects with an Excellent value.
Co-Authors Adi Setiawan Chalisna Wildani Cut Riski Milya Ishak Ishak M. Saptariawan Sri Widia Santika Subhan A. Gani Syamsul Bahri Syukriah Zainuddin Ginting