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All Journal Eksergi: Chemical Engineering Journal JST ( Jurnal Sains Terapan ) Journal Of Chemical Process Engineering (JCPE) Turbo : Jurnal Program Studi Teknik Mesin INTEK: Jurnal Penelitian AL-ULUM: JURNAL SAINS DAN TEKNOLOGI MECHA JURNAL TEKNIK MESIN Jutek JAGO Jurnal Pengabdian Ahmad Yani Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences NUMBERS: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Jurnal Pengabdian Pada Masyarakat METHABDI Jurnal Pengabdian Masyarakat dan Riset Pendidikan Journal of Innovative and Creativity Journal Of Chemical Process Engineering
Septiani, Mimin
Politeknik Negeri Ujung Pandang
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Penerapan E-Commerce dalam Meningkatkan Visibilitas Produk POC Biourine dari Hasil Samping Usaha Peternakan Sapi: Pengabdian Mimin Septiani; Zakiyah Darajat; Muhammad Arham Yunus; A Mufhida Rezky Amalia Azzahra Hayat; Fadhil Dwi Syahputra; Gunarya Muhammad Rachman; Muh Fadil Mufli
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.4006

Abstract

This community service program aimed to enhance the visibility and market reach of liquid organic fertilizer (biourine), a by product of cow farming, through the utilization of e-commerce platforms. The partner, a cattle farmer producing biourine, had limited skills in digital marketing. The program was implemented using the 3P approach, Preparation, Learning, and Strengthening which included socialization, training on product packaging and labeling, e-commerce-based marketing practices, financial recording using Microsoft Excel, assistance in creating an online store account, as well as evaluation and sustainability strategies. The results show that the partner successfully produced properly packaged products and established an online store that has begun to be used for sales transactions. Monitoring of the store’s performance indicated increased marketing activity and greater partner engagement in online selling processes. In addition, collaboration with the village-owned enterprise (BumDes) and the development of social media accounts further expanded the potential distribution of the product both locally and digitally. This program demonstrates that the application of e-commerce can significantly improve product visibility while strengthening the partner’s independence in managing livestock by product enterprises.
Studi Kinetika Adsorpsi Logam Tembaga (Cu) Menggunakan Ampas Kopi dan Kulit Ari Pipil Jagung Zakiyah Darajat; Mimin Septiani; Mahirullah Mahirullah; Arifah Sukasri
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.5568

Abstract

Pencemaran logam berat tembaga (Cu) dalam limbah cair industri merupakan permasalahan lingkungan yang berbahaya karena bersifat toksik dan sulit terdegradasi secara alami. Penelitian ini bertujuan untuk mengkaji efektivitas ampas kopi dan kulit ari pipil jagung sebagai adsorben alternatif dalam menurunkan konsentrasi ion Cu (II) pada limbah sintetik, serta menganalisis kinetika proses adsorpsinya. Adsorben dipreparasi melalui proses pengeringan, karbonisasi pada suhu 400–500 °C, dan aktivasi kimia menggunakan larutan HCl 0,1 M. Proses adsorpsi dilakukan dalam kolom adsorpsi dengan variasi waktu kontak 10, 20, dan 30 menit. Konsentrasi Cu (II) dianalisis menggunakan spektrofotometer UV-Vis. Hasil penelitian menunjukkan bahwa kedua adsorben efektif menurunkan konsentrasi Cu (II), dengan efisiensi tertinggi sebesar 77,92% untuk ampas kopi dan 90,91% untuk kulit ari pipil jagung pada waktu kontak 30 menit. Kajian kinetika menunjukkan bahwa model pseudo orde dua (Ho) memberikan kecocokan terbaik dengan nilai R² masing-masing sebesar 0,993 dan 0,976, yang mengindikasikan bahwa mekanisme adsorpsi berlangsung secara kimisorpsi. Hasil ini membuktikan bahwa ampas kopi dan kulit ari pipil jagung berpotensi sebagai adsorben ramah lingkungan, murah, dan efektif untuk pengolahan limbah cair yang mengandung logam berat Cu (II).
Pemodelan dan Optimasi Pengaruh Variasi Suhu Pirolisis Lambat terhadap Yield dan Nilai Kalor Biochar Tongkol Jagung Darajat, Zakiyah; Septiani, Mimin; Sukasri, Arifah; Ole, Maria Assumpta Nogo
Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences Vol. 5 No. 2 (2026): Biology, Physics, Chemistry, and other Basic Sciences
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/venn.v5i2.418

Abstract

Biochar is a solid product derived from biomass pyrolysis with considerable potential as an alternative energy source and functional material. One of the key parameters influencing biochar characteristics is pyrolysis temperature. This study aims to model and optimize the effect of slow pyrolysis temperature variations on the yield and calorific value of biochar produced from corncob feedstock. The pyrolysis process was conducted using a slow pyrolysis method at temperatures of 350, 400, 450, and 490 °C, with a low heating rate and a residence time of 60 minutes. The resulting biochar was characterized through proximate analysis, while its calorific value was determined using a bomb calorimeter. The relationship between pyrolysis temperature and both yield and calorific value was modeled using polynomial regression. Multi-response optimization was subsequently performed using the desirability function approach. The results indicate that increasing the pyrolysis temperature leads to a reduction in biochar yield, while simultaneously increasing fixed carbon content and stabilizing the calorific value at higher temperatures. The regression model demonstrated strong agreement with the experimental data, with a coefficient of determination (R²) of 0.9582, indicating excellent model fit. Multi-response optimization revealed that the optimal pyrolysis temperature was 350 °C, producing a biochar yield of 79.71% and a calorific value of 7050 cal/g. This study provides a scientific basis for determining optimal slow pyrolysis operating conditions to enhance the valorization of corncob waste as a biochar-based renewable energy resource.
Co-Authors A Mufhida Rezky Amalia Azzahra Hayat Ahmad Yani Andi Aladin Andi Nur Fadilah Arief Muliawan Arifah Sukasri Danar Kurniawan Dhasvianty Dhasvianty Fadhil Dwi Syahputra Fitria Fitria Fitria Fitria Gunarya Muhammad Rachman Hasni Hasni Ikrom Pasinda Irianto Junaini Kurniawan Santoso Mahirullah Mahirullah Maria Assumpta Nogo Ole Muh Fadil Mufli Munira Munira Munira Munira, Munira Nuhardin, Irhamni Ole, Maria Assumpta Nogo Rafdi Abdul Majid Ratnawati Ronaldo Rivaldiansyah Sukasri, Arifah Syamsuddin Yani Yunus, Muhammad Arham Zakiyah Darajat Zakiyah Darajat Zakiyah Darajat Zakiyah Darajat Zuhrotul Fikri Ilma