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Zakiyah Darajat
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Sosialisasi Biodigester Sederhana dan Pengolahan Limbah Organik menjadi Biogas pada Siswa-Siswi SMK Muhammadiyah Bontang Fitria Fitria; Mimin Septiani; Zakiyah Darajat
Jurnal Pengabdian Ahmad Yani Vol. 2 No. 1 (2022): Juni
Publisher : Sekolah Tinggi Teknologi Industri (STTI) Bontang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (287.101 KB) | DOI: 10.53620/pay.v2i1.61

Abstract

Abstract Energy scarcity is a hot issue, which encourages the drafting team of Community Service Activities to socialize the use of organic waste into bioenergy on a simple scale. One example of the results of organic waste treatment is Biogas (Mayasari et al., 2010). The approach method used is to provide students with an understanding of the potential of renewable energy in the city of Bontang. Continuing by socializing the manufacture of simple reactors and the process of fermenting organic waste to produce biogas. From the results of this training, it can be concluded with enthusiasm from the students that the activities are carried out well and are able to increase students' knowledge about the potential waste in the surrounding environment and it is hoped that they will be able to practice making organic waste biodigesters on a simple scale. Keywords: Biodigester, Organic Waste, Smk Students
Pengaruh Waktu Aktivasi Terhadap Karakterisasi Arang Aktif Tongkol Jagung dengan Menggunakan Aktivator H2SO4 Zakiyah Darajat; Mimin Septiani; Fitria Fitria
Jurnal Teknik Juara Aktif Global Optimis Vol. 3 No. 1 (2023): June
Publisher : STTI Bontang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53620/jtg.v3i1.101

Abstract

Tongkol jagung telah banyak digunakan sebagai sumber arang aktif atau karbon aktif dengan berbagai cara sintesis karena mengandung selulosa, hemiselulosa, dan lignin dengan kadar yang besar. Arang aktif merupakan senyawa karbon yang daya absorpsinya ditingkatkan melalui proses karbonasi dan aktivasi. Penelitian ini bertujuan untuk mengetahui pengaruh waktu aktivasi terhadap karakterisasi arang aktif tongkol jagung meliputi bulk density, Bagian yang tersisa pada pemanasan 950 oC, dan uji daya serap arang aktif terhadap larutan Iod (I2). Pada penelitian ini digunakan variasi waktu aktivasi 6, 12, 18, 24, dan 36 jam dengan menggunakan H2SO4 sebagai aktivator. Hasil penelitian menunjukkan seiring bertambahnya waktu aktivasi, bulk density semakin berkurang, Bagian tersisa pada pemanasan 950 oC semakin bertambah, dan daya serap terhadap larutan Iod (I2) semakin bertambah, di mana waktu aktivasi yang optimum adalah 36 jam. Data karakterisasi arang aktif tongkol jagung sudah memenuhi SII 0258-88, kecuali pada pengujian daya serap terhadap larutan iod (I2). Kata kunci: tongkol jagung, arang aktif, karakterisasi
Pemanfaatan Ekstrak Belimbing Wuluh (Avverhoa bilimbi L.) Menjadi Sabun Cuci Piring Zakiyah Darajat; Dian Ranggina; Harun Pampang; Afriyanti S. Lamuru; Muhammad Arham Yunus; Maria Assumpta Nogo Ole; Nurfiansyah Nurfiansyah
COVIT (Community Service of Tambusai) Vol. 2 No. 2 (2022): SEPTEMBER 2022
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/covit.v2i2.18389

Abstract

Wuluh star fruit is a plant that is rich in benefits. The population of this plant is very abundant in the community both in the yard or as a shade plant in the yard. The population of this plant is not proportional to its utilization so that the star fruit usually falls and rots. Seeing this, a community service activity was carried out regarding the use of starfruit into dish soap, which besides being able to add to the economic value of starfruit, can also reduce environmental pollution. Wuluh star fruit (Averrhoa bilimbi L.) contains saponins, flavonoids, acetic acid, and vitamin C. Saponins have the ability to kill bacteria while flavonoids can destroy bacterial proteins by lysis method so that bacteria cannot reproduce and die. Saponins also function as a foam producer so that they can be used in the manufacture of dish soap. Keywords: Wuluh star fruit, saponin, dish soap
Co-Authors Afriyanti S. Lamuru Dian Ranggina Fitria Fitria Harun Pampang Maria Assumpta Nogo Ole Nurfiansyah Nurfiansyah Septiani, Mimin Yunus, Muhammad Arham