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All Journal JOURNAL ONLINE OF PHYSICS Jurnal Rekayasa Material, Manufaktur & Energi SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Menara: Jurnal Teknik Sipil Jurnal Inovasi Pendidikan dan Sains Archipelago Engineering Jurnal Sains dan Teknologi Jurnal Pengabdian Pada Masyarakat Warta LPM Jurnal Teknologi Kimia Mineral
Alif Nur Laili Rachmah
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SUPERIOR PERFORMANCE IN REACTIVE DISTILLATION METHOD FOR INDUSTRIAL APPLICATION: A CASE STUDY OF ETHYL LACTATE PRODUCTION Taipabu, Muhammad Ikhsan; Rahanra, Geraldi; Rachmah, Alif Nur Laili; Badaruddin, Sabrianah; Trisnantaria, Tamaratritania C.; Tan, Clarissa
ALE Proceeding Vol 7 (2025): Archipelago Engineering (ALE)
Publisher : Fakultas Teknik Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ale.7.2025.97-104

Abstract

Ethyl lactate, a biodegradable and environmentally friendly solvent, offers a sustainable alternative to conventional petroleum-based solvents. This study presents a comprehensive evaluation of ethyl lactate production through both conventional and intensified process designs using rigorous process simulation. The reactive distillation column (RDC) was identified as the most efficient configuration, achieving notable reductions in total capital cost (57.3%) and total operating cost (40.2%) compared to traditional setups. The NRTL thermodynamic model was employed to accurately capture non-ideal behavior among reactive components, and kinetic parameters were validated against experimental data. The results demonstrate that RDC-based process intensification significantly enhances economic performance while promoting sustainable chemical manufacturing, positioning it as a promising approach for future green solvent production.
Edukasi ecoprint dengan teknik pounding berbasis kearifan lokal, sebagai pewarnaan ramah lingkungan di Mamala, Maluku Tengah Trisnantari, Tamaratritania Citta; Rachmah, Alif Nur Laili; Rahanra, Geraldi; Taipabu, Muhammad Ikhsan; Badaruddin, Sabrianah; Rumpakwakra, Ervina; Jaya, Gede Wiratma; Nggolaon, Delpina; Alzagladi, Safina Utari
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 9, No 5 (2025): September
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v9i5.34077

Abstract

Abstrak Penggunaan pewarna sintetis dalam industri tekstil dapat menimbulkan risiko pencemaran lingkungan dan membahayakan kesehatan manusia. Oleh karena itu, ecoprint hadir sebagai alternatif pewarnaan ramah lingkungan yang memanfaatkan warna alami dari tumbuhan. Kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan memberikan edukasi tentang bahaya pewarna sintetis, memperkenalkan ecoprint dengan teknik pounding, serta memanfaatkan kearifan lokal berupa tumbuhan sekitar sebagai pewarna alami. Mitra kegiatan ini adalah SMAS Muhammadiyah Mamala, Maluku Tengah, dengan peserta sebanyak 32 orang (30 siswa dan 2 guru). Metode pelaksanaan mencakup ceramah, diskusi, demonstrasi, dan praktik langsung pembuatan ecoprint pada tas katun menggunakan daun lokal seperti pakis dan pepaya jepang. Evaluasi dilakukan melalui pre-test dan post-test serta observasi selama kegiatan berlangsung. Hasil evaluasi menunjukkan peningkatan pemahaman peserta terhadap dampak pewarna sintetis dan prinsip ecoprint. Sebanyak 30 peserta menyatakan ingin kembali mencoba praktik ecoprint. Secara umum, peserta menunjukkan antusiasme tinggi dan mampu menghasilkan motif ecoprint yang unik. Meskipun terdapat kendala seperti keterbatasan alat dan hasil cetakan yang kurang jelas, kegiatan berjalan lancar dan memberi dampak positif terhadap peningkatan kesadaran lingkungan serta keterampilan kreatif peserta. Edukasi ecoprint ini berpotensi dikembangkan sebagai bagian dari kewirausahaan berbasis sekolah dengan pendekatan edukatif dan berkelanjutan. Kata kunci: ecoprint; teknik pounding; edukasi lingkungan; kearifan lokal; pewarna alami. Abstract The use of synthetic dyes in the textile industry poses significant risks to both environmental and human helath. As a sustainable alternative, ecoprint utilizes natural pigments from plant materials to create textile patterns without generating hazardous chemical waste. This community service program aimed to raise awareness about the environmental hazards of synthetic dyes, introduce the pounding technique in ecoprinting, and promote the use of local plant resources as natural dyes rooted in local wisdom. The activity was carried out at SMAS Muhammadiyah Mamala, Central Maluku, involving 32 participants (30 students and 2 teachers). The program combined educational lectures, discussions, demonstrations, and hands-on workshops in which participants applied the pounding technique to cotton tote bags using local foliage such as ferns and Japanese papaya leaves. Evaluation through pre- and post-tests, along with direct observation, indicated a significant improvement in participants’ understanding of eco-friendly dyeing practices. Most participants expressed strong interest in continuing ecoprinting activities. Despite minor challenges—such as limited tools and difficulties in achieving sharp prints—the program was successfully implemented. It fostered environmental awareness, creativity, and practical skills among students. This initiative demonstrates strong potential to be further developed into a school-based entrepreneurship model with ecological and educational value. Keywords: ecoprint; pounding technique; environmental education; local wisdom; natural dyes.
BIOETHANOL FROM CHEESE WASTE (WHEY) USING KLUYVEROMYCES MARXIANUS Alif Nur Laili Rachmah; Ratri Sekaringgalih; Binti Ruliana; Ansori Ansori
Jurnal Inovasi Pendidikan dan Sains Vol 4 No 3 (2023): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/jips.v4i3.1799

Abstract

Alternatives to petroleum scarcity are of much concern to researchers. The development of bioethanol is one of the renewable energies that must be supported by research from various sources of raw materials so that it can be converted into bioethanol. Generally, the raw material of bioethanol used contains sugar and starch. if biomass used sugar cane and cassava then the availability of food will also be threatened. Therefore one of the alternative raw materials that can be used is industrial waste cheese (whey). Whey is the side of the product cheese industry, which contains 4-5%. The aim of the study is to optimate whey fermentation to the production of bioethanol using Kluyveromyces marxianus with the variation of time and starter volume. Bioethanol production with raw material lactose which is contained in whey used Kluyveromyces Marxianus with variabel changed time fermentation and starter volume. For time fermentation variables are 24, 48, 60, 72 dan 84 hours, and for volume starter variabel are 20%, 22%, dan 24% v/v. The highest content of bioethanol production used Kluyveromyces Marxianus on variable starter volume 24% at time 84 hours was obtained 0,32% bioethanol content with pH 3,5
Co-Authors Alzagladi, Safina Utari Ansori Ansori Ansori Ansori Ayu Qurota A’yun Badaruddin, Sabrianah Binti Ruliana Ervina Rumpakwakra Gede Wiratma Jaya Geraldi Rahanra Gessantara, M. Febbia Indahma Puji Lestari Nggolaon, Delpina Ratih C F Ratumanan Ratri Sekaringgalih Ratumanan , Ratih C F Ronald Darlly Hukubun Ruliana, Binti Sonya Hakim Raharjo Taipabu, Muhammad Ikhsan Tan, Clarissa Trisnantari, Tamaratritania Citta Yuni Susanti