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All Journal AUSTENIT Jurnal Teknik Kimia USU Jurnal Pangan dan Agroindustri Jurnal Sumberdaya Alam dan Lingkungan IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Sriwijaya International Seminar on Energy-Environmental Science and Technology Indonesian Journal of Chemical Science Science and Technology Indonesia Journal Of Chemical Process Engineering (JCPE) JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Jurnal Serambi Engineering JURNAL PENDIDIKAN TAMBUSAI Jurnal Teknik Kimia Jurnal Inovasi Teknik Kimia Jurnal Daur Lingkungan ASEAN Journal of Chemical Engineering Kinetika Jurnal Teknik Industri Terintegrasi (JUTIN) Yumary: Jurnal Pengabdian kepada Masyarakat Jurnal Pendidikan dan Teknologi Indonesia Jurnal Ilmiah Wahana Pendidikan Jurnal Energi Baru dan Terbarukan AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) International Journal of Research in Vocational Studies (IJRVOCAS) Aptekmas : Jurnal Pengabdian Kepada Masyarakat Chemical Engineering Journal Storage (CEJS) Jurnal Teknik Kimia USU Journal of Applied Agricultural Science and Technology Innovative: Journal Of Social Science Research Journal Of Chemical Process Engineering Serambi Engineering Jurnal Rekayasa Proses
Muhammad Yerizam
Politeknik Negeri Sriwijaya
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Journal : Serambi Engineering

 1 
Pemanfaatan Limbah Kulit Nanas Menjadi Bioetanol dengan Variasi Konsentrasi Ragi dan Lama Fermentasi Febri Liani Br Simanjuntak; Muhammad Yerizam; Anerasari Meidinariasty
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Pineapple peel waste can pollute the environment if not properly managed. On the other hand, pineapple peel waste can be used as a raw material for the production of bioethanol. The aim of this study was to evaluate the effect of variations in yeast concentration and the duration of the fermentation process on the bioethanol content of pineapple peel waste. In the fermentation process with variations in yeast concentration of 1.5%, 2% and 4%, the type of yeast used is Saccharomyces cerevisiae, the addition of nutrients in the form of NPK and urea by 0.5% each, as well as variations in the length of fermentation for 4 days, 5 days, 6 days, 7 days and 8 days. This study showed that the bioethanol content obtained was significantly influenced by yeast concentration and fermentation time. The sample with the highest ethanol content was produced with the addition of 4% yeast and fermentation for 5 days, the bioethanol content produced was 59% based on calculations using the standard ethanol curve equation and 57.23% based on analysis using GC-MS.
Kinetika Absorpsi CO₂ dari Gas Buang Kendaraan dengan Menggunakan Absorben KOH pada Reaktor Gelembung Pancaran Sirait, Agnes Tasya Pintauly; Muhammad Yerizam; Akbar Ismi Aziz Pramito
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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This research aims to find out the kinetics of CO₂ absorption reaction of automobile exhaust gas using potassium hydroxide (KOH) as an absorbent in a jet bubble reactor. The jet bubble reactor was chosen because of its ability to increase the contact area between gas and liquid, thereby increasing the absorption efficiency. The variables analyzed in this study include KOH concentration, gas flow rate, and operating temperature. A study was conducted on CO₂ gas absorption in automotive gas using pure KOH alkali base solution and maximizing absorption in CO₂ exhaust gas. This study was conducted using concentration variations. (0.1, 0.2, 0.3 and 0.4 M), which is an important step to reduce the greenhouse effect that will negatively affect the environment.
Co-Authors Abu Hasan Abu Hasan Abu Hasan Achmad Reza Aditya Amin Agus Manggala Agustin Pratiwi, Ines Aida Syarif AIDA SYARIF Akbar Ismi Aziz Pramito Alfajri, Ahmad Rizki Aliyah Montessa Alsarah, Danil Son Amin, Achmad Reza Aditya Anerasari Meidinariasty Anerasari Meidinariasty Anerasari Meidinariasty Anggi Dwi Chandrika Apriansyah Zulatama Aprilia, Luraselly Arda Apriyansah Apriyansah, Apriyansah Ardiani, Salsha Aria Yopianita Arif Budiman Asyeni Miftahul Jannah Asyeni Miftahul Jannah Ayuni Lestari Azaria Hikmah Fajrianti Az’zahrah, Nandyta Rizqi Cindi Ramayanti Dina Eka Pranata Dwi Nugroho, Afrian Eka Mulyana, Eka Ekawati, Linda Ellina Margaretty Endang Sri Rahadianti Erwana Dewi Erwin Erwin Fatahul Arifin, Fatahul Febri Liani Br Simanjuntak Fenoldi, Nova Feri Hafidz, Abdurrahman Helen Chairunisa Ihtifazhuddin, Farhan INDAH PURNAMASARI Indah Purnamasari Indah Purnamasari Indrayani Indrayani Jabborov, Behzod Kalsum, Leila Khairunnisa, Annisa Septia Kusuma, Mutmainnah Ningtyas M, Anerasari M. Ridho Triadi M. Zaman Manggala, Agus Martha Aznury Martha Martha Mediniariasty, Anerasari Muhammad Yori Pratama Muhammad Zaman Mustain Zamhari Mustain Zamhari Nabila, Rizky Ayu Ningsih, Anis Wahyu Nurjanah, Rizki Nyayu Fia Atindu Nyayu Zubaidah Nyayu Zubaidah Pratama, Andrian Putra Pratama, Muhammad Yori Puspa, Dilia Putra, Rizkika Raysha Amelya Renny Citra Ramadhani Riansyah, Epan Robert Junaidi Robert Junaidi Rusdianasari Rusdianasari Rusdianasari Rusdianasari Rusdianasari Sabrina, Delanisa Saqila Putri Aulia Sari Rizky Amelia Sari, Rahmaida Sarmidi Sarmidi Selastia Yulianti Selastia Yuliati Silmi Tsabita Sirait, Agnes Tasya Pintauly Syafitri, Aulia Tamara, Ade Wan Qori Sri Maulani Wardhana, Agum Try Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yahya, Muhammad Habib Yohandri Bow Zain, Raina Khoirunisa Zamheri, Ahmad