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All Journal Bioscientist : Jurnal Ilmiah Biologi Formosa Journal of Applied Sciences (FJAS) Jurnal Pengabdian Masyarakat dan Lingkungan Jurnal Integrasi Proses dan Lingkungan
Pambudiarto, Benny Arif
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Social Sciences

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Study of Fermentation Reactions in Legen Drinks: Studi Reaksi Fermentasi pada Minuman Legen Manzil, Liizzah Diana; Pambudiarto, Benny Arif
Jurnal Integrasi Proses dan Lingkungan Vol. 2 No. 1 (2025): Jurnal Integrasi Proses dan Lingkungan
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jipl.v2i1.8054

Abstract

Legen merupakan minuman yang mudah mengalami kerusakan selama proses penyimpanan. Konsentrasi nutrisi yang tinggi akan mempercepat terjadinya proses fermentasi, sehingga legen akan mudah rusak. Legen yang sudah mengalami proses fermentasi dapat berubah menjadi tuak yang memiliki rasa pahit dan dapat memabukkan. Penelitian ini bertujuan untuk mengetahui perubahan jumlah mikroba, kadar glukosa, kadar alkohol dan kadar asam asetat selama waktu penyimpanan. Penelitian ini dilakukan dengan interval setiap 48 jam selama 13 hari untuk uji jumlah mikroba, kadar alkohol dan kadar glukosa. Sedangkan varian pengukuran hari ke-4, ke-7, dan ke-14 untuk uji asam asetat. Dalam penelitian ini, uji jumlah mikroba menggunakan metode total plate count (TPC), untuk uji kadar alkohol menggunakan metode titrasi dikromatometri, untuk uji kadar glukosa menggunakan metode Somogyi-Nelson dan untuk uji kadar asam asetat menggunakan metode titrasi alkalimetri. Uji lain yang menunjuang penelitian ini adalah uji organoleptik. Hasil uji jumlah mikroba terhadap lama penyimpanan berturut-turut sebesar 5.5x104 Koloni/mL, 1.58x105 Koloni/mL, 1.075x106 Koloni/mL, 1.49x107 Koloni/mL, 2.36x107 Koloni/mL, 4.4 x107 Koloni/mL dan 8.95x107 Koloni/mL. Hasil uji kadar alkohol terhadap lama penyimpanan berturut-turut sebesar 5.4835%, 3.0464%, 2.9550%, 2.7113%, 2.6504%, 2.4066% dan 2.3457%. Hasil uji kadar glukosa terhadap lama penyimpanan berturut-turut sebesar sebesar 6.8851ppm, 2.2847ppm, 3.5630ppm, 1.5697ppm, 0.9460ppm, 0.5307ppm dan 0.8837ppm. Dan hasil uji kadar asam asetat terhadap lama penyimpanan berturut-turut sebesar sebesar 0.3428 %, 0.4571 % dan 0.7428 %. Kesimpulan dari penelitian ini menjelaskan bahwa semakin lama penyimpanan minuman legen menyebabkan jumlah mikroba meningkat, kadar alkohol menurun, kadar glukosa menurun dan kadar asam asetat meningkat.
Analysis of The Performance of Microbubble Generators as Aerators in Tilapia Cultivation with High Density Fishery Systems Pambudiarto, Benny Arif; Pahlawan, Ilham Arifin; Fatmawati, Yuni; Mirbath, Muhammad Shobichul
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.13064

Abstract

Fish farmers in Gresik Regency face significant challenges in developing aquaculture, including land conversion and extended dry seasons that lead to pond drought. Microbubble generators (MBGs) present a potential solution to these issues. This study evaluates the effectiveness of different MBG types in tilapia farming. Weekly measurements of fish mass and length were conducted to determine growth rates using direct methods. Water quality was assessed by testing COD and ammonia levels at the Gresik Regency DLH Laboratory and measuring dissolved oxygen levels directly with a DO meter. The distribution and size of the bubbles were analyzed using the shadow image technique, supported by MATLAB software. The study employed a stocking density of 100 fish/m² with three treatments: MBG swirl type, venturi type, and a conventional aerator. The findings revealed that the MBG swirl type resulted in the best fish growth and maintained water quality within the required standards. The specific growth rate in swirl-type ponds was 3.970 ± 0.014, with a survival rate of 100%. Additionally, the swirl-type MBG effectively maintained dissolved oxygen levels above 3 ppm, meeting the minimum requirement for fish survival, despite having less optimal microbubble distribution compared to the venturi type. While the MBG venturi type performed well initially, technical issues affected its bubble consistency over time. Enhancements in the venturi MBG's design are recommended to improve its performance and reliability.
Sosialisasi Pembuatan Pupuk Organik dari Limbah Organik Rumah Tangga Berbantu Compost Bag Setiawan, Oki; Pambudiarto, Benny Arif; Purwaningtyas, Fiska Yohana; Mustikaningrum, Mega; Aghata, Esteranita Betzy; Fatmawati, Yuni
Jurnal Pengabdian Masyarakat dan Lingkungan (JPML) Vol 3 No 2 (2025): Jurnal Pengabdian Masyarakat dan Lingkungan (JPML)
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jpml.v3i2.9143

Abstract

Household waste has become a pressing issue that needs to be addressed immediately, starting from the household level. Integrated solutions for household waste management have been implemented, both in the form of local regulations and direct socialization of household waste management to residents. However, optimization has not yet been achieved due to the increasing amount of household waste each year. One of the contributions from universities is to provide socialization and training on household waste management, covering materials on the sorting of organic and inorganic waste, the making of organic fertilizer for the community, the dissemination of organic fertilizer use, and an explanation of the impacts of poorly managed waste from an environmental perspective. The program implemented in this community service is the socialization of organic fertilizer making assisted by compost bags in Kedanyang Village, Gresik. Organic fertilizer made using compost bags is rich in carbon and nitrogen compounds, which are good for plant growth. This socialization also aims to reduce the impact of waste disposal on the environment, such as soil, water, and air pollution, and its effects on human health. In this compost bag method, the basic materials are dry and wet waste in a certain ratio, assisted by EM4 activator so that the composting process can run better. Organic fertilizer is made within 3-4 weeks before use and is in solid form.
Evaluasi Efektivitas Penghambatan Fermentasi pada Minuman Legen Fariyanto, Af Fiqih Ilmy; Putra, Indra Dwi Permata; Pambudiarto, Benny Arif; Setiawan, Oki
Jurnal Integrasi Proses dan Lingkungan Vol. 2 No. 1 (2025): Jurnal Integrasi Proses dan Lingkungan
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Nira siwalan merupakan minuman tradisional Indonesia yang dikenal dengan nama lahang di Jawa Barat dan legen di Jawa Timur. Kandungan gula yang tinggi pada nira siwalan menyebabkan minuman ini rentan terhadap fermentasi mikroba yang dapat menghasilkan alkohol (khamr). Penelitian ini bertujuan untuk mengevaluasi efektivitas metode pasteurisasi termal dalam mengendalikan pertumbuhan mikroorganisme dan kadar alkohol pada nira siwalan. Sampel nira siwalan dipasteurisasi pada tiga variasi suhu (60°C, 70°C, dan 80°C), kemudian dilakukan pengamatan terhadap pertumbuhan mikroba dan pembentukan alkohol. Hasil penelitian menunjukkan bahwa pasteurisasi pada suhu 60°C memberikan hasil optimal dalam mempertahankan kualitas nira, sementara suhu 70°C dan 80°C menyebabkan penurunan kualitas produk. Analisis mikrobiologi menunjukkan peningkatan jumlah mikroorganisme sebesar 3,67% per hari pada sampel yang dipasteurisasi pada suhu 60°C, jauh lebih rendah dibandingkan dengan sampel tanpa perlakuan yang mencapai 10,53% per hari. Kadar alkohol pada sampel yang dipasteurisasi mengalami peningkatan sebesar 1,78% per hari. Penelitian ini membuktikan bahwa pasteurisasi termal pada suhu 60°C efektif dalam menghambat pertumbuhan mikroba dan memperpanjang masa simpan nira siwalan, sehingga berpotensi meningkatkan nilai ekonomi produk bagi petani siwalan sambil mempertahankan status kehalalannya.
Analysis of The Performance of Microbubble Generators as Aerators in Tilapia Cultivation with High Density Fishery Systems Pambudiarto, Benny Arif; Pahlawan, Ilham Arifin; Fatmawati, Yuni; Mirbath, Muhammad Shobichul
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.13064

Abstract

Fish farmers in Gresik Regency face significant challenges in developing aquaculture, including land conversion and extended dry seasons that lead to pond drought. Microbubble generators (MBGs) present a potential solution to these issues. This study evaluates the effectiveness of different MBG types in tilapia farming. Weekly measurements of fish mass and length were conducted to determine growth rates using direct methods. Water quality was assessed by testing COD and ammonia levels at the Gresik Regency DLH Laboratory and measuring dissolved oxygen levels directly with a DO meter. The distribution and size of the bubbles were analyzed using the shadow image technique, supported by MATLAB software. The study employed a stocking density of 100 fish/m² with three treatments: MBG swirl type, venturi type, and a conventional aerator. The findings revealed that the MBG swirl type resulted in the best fish growth and maintained water quality within the required standards. The specific growth rate in swirl-type ponds was 3.970 ± 0.014, with a survival rate of 100%. Additionally, the swirl-type MBG effectively maintained dissolved oxygen levels above 3 ppm, meeting the minimum requirement for fish survival, despite having less optimal microbubble distribution compared to the venturi type. While the MBG venturi type performed well initially, technical issues affected its bubble consistency over time. Enhancements in the venturi MBG's design are recommended to improve its performance and reliability.
Analisa Kelayakan Pada Alat Heat Exchanger E-023 Unit Syn Gas Departemen Produksi PT. Oxo Nusantara Anastasya, Tarisa Dwi; Pambudiarto, Benny Arif
Jurnal Integrasi Proses dan Lingkungan Vol. 1 No. 1 (2023): Jurnal Integrasi Proses dan Lingkungan
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jipl.v1i1.6417

Abstract

PT.Oxo Nusantara merupakan salah satu perusahaan yang memproduksi 2-etilheksanol (2EH), Normal Butanol (NBA) dan Iso Butanol (IBA). Total produksi pada PT Oxo Nusantara yakni 150.000 Ton/Tahun dengan masing – masing produk 2-EH sebanyak 135.000 MT/Tahun, Produk NBA sebanyak 500 MT/Tahun dan IBA sebanyak 14.500 MT/Tahun serta gas CO2 sebanyak 33.000 MT/Tahun. Proses produksinya terbagi menjadi dua unit proses yakni unit proses syn gas dan unit octanol. Bahan baku yang digunakan dalam kedua proses ini juga berbeda, pada unit syn gas menggunakan natural gas dan hydrogen sebagai bahan baku utama sedangkan pada unit octanol menggunakan bahan baku steam, gas oxo, dan propylene. Pembentukan syn gas di PT Oxo Nusantara memiliki beberapa tahapan proses dari desulfurasi, Pre-reformer, reformer, CO2 Removal, unit membrane dan Unit PSA. Unit syn gas akan menghasilkan produk hydrogen dengan impurities mencapai 99,99% sedangkan untuk produk gas oxo yang dihasilkan memiliki rasio perbandingan H2 dengan CO2 menjadi 1.01<1.1.Heat exchanger yang akan dianalisa adalah HE dengan jenis Stripper Overhead Condenser (E-023) yang digunakan untuk mendinginkan campuran CO2 dan air hingga mencapai suhu 40oC. Untuk air kondensat yang terbentuk di E-023 akan dikembalikan ke tubular reformer dan lean solution akan keluar pada bagian bawah dan akan dialirkan menuju E-022. Berdasarkan hasil analisa dan perhitungan terhadap kinerja pada alat heat exchanger E-023 nilai fouling factor mencapai 0.150046 m2oC h/kcal dengan nilai pressure drop 0,0723 kg/cm2 pada tube dan 0,3374 kg/cm2 pada shell. besarnya nilai fouling factor dan pressure drop disebabkan karena adanya fouling pada alat E-023 sehingga diperlukan adanya pembersihan
Feasibility Study of Legen Drinks in Gresik Regency Musarofah, Fitriatul; Pambudiarto, Benny Arif
Formosa Journal of Applied Sciences Vol. 3 No. 7 (2024): July 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjas.v3i7.10346

Abstract

Gresik Regency, as a region producing siwalan trees, produces legen from the sweet liquid of siwalan flowers. Legen drinks require standards to ensure cleanliness, safety and suitability for consumption according to BPOM standards. 10 samples of legen drinks were tested for alcohol content using the dichromatometry method, showing that the alcohol content of fermented legen ranged from 4.96%-17.62%, still within safe and halal limits for consumption according to Food and Drug Control Standards Number 14 of 2016. Total Plate Results Count (TPC) shows that of the 10 samples tested, there were 2 samples that did not meet the requirements, having colony counts of 53,999 × 10-3 cfu/ml and 34,497 × 10-3 cfu/ml. In accordance with Food and Drug Control Standards Number 13 of 2019 regarding the maximum limit for fruit juice of 1 x 104 cfu/ml. That the microbiological and physical quality of Legen drinks in Gresik Regency does not always meet the safety standards of BPOM RI regulations.
Co-Authors Aghata, Esteranita Betzy Anastasya, Tarisa Dwi Fariyanto, Af Fiqih Ilmy Fatmawati, Yuni Manzil, Liizzah Diana Mirbath, Muhammad Shobichul Musarofah, Fitriatul Mustikaningrum, Mega Pahlawan, Ilham Arifin Purwaningtyas, Fiska Yohana Putra, Indra Dwi Permata Setiawan, Oki