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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Akuakultur Indonesia Jurnal Ilmu dan Teknologi Kelautan Tropis Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Kedokteran Brawijaya Jurnal Ilmu dan Teknologi Hasil Ternak The Journal of Experimental Life Sciences (JELS) AGRIKA Jurnal Harpodon Borneo Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Mahasiswa Manajemen Sumberdaya Perairan Wacana, Jurnal Sosial dan Humaniora Research Journal of Life Science REKAYASA Journal of Mechanical Engineering Science and Technology Jurnal Sumberdaya Akuatik Indopasifik JFMR (Journal of Fisheries and Marine Research) Jurnal Penelitian Pendidikan IPA (JPPIPA) Samakia: Jurnal Ilmu Perikanan Indonesian Journal of Natural Pigments Journal of Aquaculture and Fish Health Syntax Idea Jurnal Karinov Jurnal Abdi Insani Jurnal Pengabdian, Pendidikan dan Teknologi Teknomekanik JURNAL BAHARI PAPADAK Livestock and Animal Research Jurnal Penelitian Chanos Chanos Jurnal Kedokteran Hewan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine
Yanuhar, Uun
Aquatic Resources Management, Fisheries And Marine Science Faculty, Universitas Brawijaya
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Journal : journal of mechanical engineering science and technology

 1 
Effect of Homogenization Pressure on Bacterial Cellulose Membrane Characteristic Made from Pineapple Peel Waste Muhamad Muhajir; Heru Suryanto; Yanuar Rohmat Aji Pradana; Uun Yanuhar
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 6, No 1 (2022)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v6i12022p034

Abstract

Many studies were conducted to maintain the environment by reducing the waste, especially pineapple peel waste. This study aims to explore the effect of various pressure of the homogenization process on bacterial cellulose membrane surface morphology and structure produced using extract of pineapple peel waste. The methods include the preparation of pellicle samples from the product of the fermentation process of Acetobacter xylinum using a medium from the extract of pineapple peel waste. Bacterial cellulose pellicles were crushed using a blender. Mashed bacterial cellulose pellicle then homogenized in High-Pressure Homogenizer with pressure variation of  0 bar, 150 bar, 300 bar, 450 bar, dan 600 bar then cast into a mold. The bacterial cellulose solutions were dried in an oven at 60°C for 8 hours. The dried bacterial cellulose membrane was analyzed using XRD for the structure and SEM analysis for the morphology. The results indicate that the crystalline properties of BCM were shifted after being treated by various pressure processing in a High-Pressure Homogenizer. It was found that the High-Pressure Homogenizer with higher pressure reduced the peak intensity, decreased crystalline index from 87% to 70%, and decreased the degree of crystalline from 88% to 77%  without changing the cellulose structure. The higher pressure of the homogenization process causes the porosity of the membrane to be decreased.
Characterization and Performance Nanofiltration Membranes in Water Quality for Goldfish (Carassius auratus) Aquaculture Utari, Inpita Casuarina Eqisetia; Yanuhar, Uun; Hertika, Asus Maizar Suryanto; Suryanto, Heru; Maulana, Jibril; Caesar, Nico Rahman; Ismail, Mahrus
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 8, No 2 (2024)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v8i22024p332

Abstract

Water quality is an important factor in aquaculture activities, including goldfish (Carassius auratus) farming. One approach to improving water quality is the use of nanofilters. This study aims to evaluate the performance of nanofilters made from Sargassum sp. with the addition of copper oxide nanoparticles. The method used involves the fermentation of bacterial cellulose from Acetobacter xylinum using Sargassum sp. extract as a medium, followed by homogenization and the addition of CuO-NPs at concentrations of 0.5%, 1%, and 1.5%, and subsequent oven drying. The nanofilter membrane will then be analyzed using SEM, XRD, and FTIR to characterize its properties. Performance tests will assess the quality of water used in goldfish farming, including pH, TOM, TDS, and TSS after treatment with the nanofilter. Morphological results show a rougher and denser surface with dispersed CuO-NPs. Characterization reveals cellulose I with crystallinity values ranging from 86.80% to 90.20%, with functional group peaks at 3145, 2927, and 1735 cm⁻¹ indicating cellulose characteristics, and a peak at 424 cm⁻¹ indicating Cu-O bonds. Statistical analysis of performance tests on the water quality of goldfish farming in the F-test shows significant differences (p
Surface Analysis of Bacterial Cellulose Membrane Made from Biowaste Added with ZnO Nanopowder Amasda, Naufal Rizky; Suryanto, Heru; Yanuhar, Uun; Aminnudin, Aminnudin; Nusantara, Fajar; Sias, Quota Alief
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p281

Abstract

Utilization of pineapple biowaste is important to increase the value added to biowaste and solve the environmental problem. So, the study objective is to synthesize membranes of bacterial cellulose made from pineapple biowaste and characterize the surface morphology and porosity of the membrane after being added with ZnO nanopowder. The study starts with extracting biowaste as a bacterial cellulose culture medium for the fermentation process. The obtained pellicle was crushed and homogenized with the added ZnO nanopowder in the presence of ultrasonic waves. The membrane is dried in the oven. The membrane morphology was monitored using scanning electron microscope and Brunauer–Emmett–Teller analysis. Results indicate that surface morphology more rougher in line with increasing ZnO nanopowder content. The control membrane exhibits the highest surface area (36.9605 m²/g) due to its uninterrupted porous network. The addition of ZnO nanopowder at 2.5% significantly reduces the surface area to 2.9168 m²/g, likely due to nanoparticle-induced pore obstruction. As the ZnO nanopowder concentration increases to 5% and 7.5%, the specific surface area rises to 8.0436 m²/g and 13.7783 m²/g, respectively. This trend suggests that higher ZnO nanopowder loading enhances porosity and introduces additional adsorption sites. The control BC membrane exhibits the highest pore volume and well-defined mesoporosity, which are diminished upon the initial addition of ZnO nanopowder.
Co-Authors Abdul Rahem Faqih Ach. Khumaidi Adelya Desi Kurniawati Adhitya, Dewa Sukma Trinanda Agus Susilo Alfarisi, Muhammad Asnin Alfi Nur Rusydi Amasda, Naufal Rizky Aminnudin, Aminnudin Amira Baihani Amira Masitha Anasiru, Arief Farhan Kurniawan Andi Kurniawan Andik Isdianto Anggraini, Rifka Rimbi Anisa Millah Taqiyyah Anjasmara, Aang Setyawan Annisa Fitri Anggreini Apri Supii Asep Awaludin Prihanto Asus Maizar Suryanto H Asus Maizar Suryanto Hertika Awalia Oktaviana Baihani, Amira Bili Darnanto Susilo BS, Sumitro Choirul Huda Choirul Huda Cucun Herlina Defa Rizqi Machfuda Diana Arfiati Dwi Retna Kumalaningrum Dyah Kinasih Wuragil Dyah Kinasih Wuragil Dyah Kinasih Wuragil Dyah Tri Rahayu Dyah Wuragil E Ernawati, E Eddy Suprayitno Edi Susilo Ekwan Nofa Wiratno Endang Yuli Herawati Fadjar, Mohammad Fajar Shodiq Fathah, Aulia Lanudia Fauliza, Tifa feri Setiawan Fika Fitrianesia Fitrianesia, Fika Gatot Ciptadi Gede Angga Krishna Fariestha Gian Suryanatha Hartawan Gian Suryanatha Hartawan Gilang Rusrita Aida Gilang Rusrita Aida Gunanti Mahasri Hardoko Hardoko Hartati Kartikaningsih Herlina, Cucun Herly Evanuarini Herly Evanuarini Herly Evanuarini Heru Suryanto Immaria Fransira Indah Wahyuni Abida Irawanto, Yovan Endik Islamy, R Adharyan Ismail, Mahrus Ita Fitria S Jati Batoro Jibril Maulana Kharisma Nuria Fitri Kristiani, Maria Lutfi Ni`'Matus Salamah Lutfia Fahimatul Ilmi MA, Widodo Maftuch ., Maftuch Maftuch Maftuch Maftuch Maftuch Maheno Sri Widodo, Maheno Sri Marsono Marsono Martiningsih, Nur Fauzi-yah Martiningsih, Nur Fauziyah Masitha, Amira Mohammad Bisri Mohammad Fadjar Mohammad Fadjar Mohammad Musa Mufidah, Rhobithotus Muhamad Muhajir Muhammad Faiq Ash Shiddiq Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Sumsanto Muhammad Sumsanto Musa, Mohammad Nezya Pramudya Wardani Nico Caesar Nico Rahman Caesar Nizery, Sefhanissa Puspa Retno Nur Fauziyah Martiningsih Nur Junirahma Nur Sakinah Junirahma Nusantara, Fajar Osman, Azlin Fazlina Pahlefi, Reval Pradana, Yanuar Rohmat Aji Purwoko, Agus Puspitasari, Intan Dwi Putri, Berlania Mahardika Ramadhanti, Nur Fa'izah Fitri Rifka Rimbi Anggraini Rika Wahyuningtyas Rika Wahyuningtyas Rika Wahyuningtyas, Rika Rizka Rahmana Putri Sanoesi, Ellana Sansi, Delfina Husniya Septi Anitasari, Septi Setyayunita, Tamaryska Shiddiq, Muhammad Faiq Ash Sias, Quota Alief Soelistyoadi, Rachmat Noer Soemarno Soemarno Sri Andayani Sri Andayani Sri Andayani Andayani Sri Rahmaningsih Sri Rahmaningsih Sukarni Sukarni Suprayitno Suprayitno Susilowati, Surya Rachman Taufik Budhi Pramono Taufik Budhi Pramono Teotonio Gomes, Guilherme Tri Djoko Lelono Umi Zakiyah Utari, Inpita Casuarina Eqisetia Wahyudi, Yusuf Arif Wardani, Nezya Pramudya Wuragil, Dyah Kinasih Yenny Risjani Yovan Endik Irawanto Yusuf Arif Wahyudi Yusuf Wahyudi Zainal Abidin