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All Journal JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan JRSI (Jurnal Rekayasa Sistem dan Industri) Clarias : Jurnal Perikanan Air Tawar Jurnal Teknologi Lingkungan Jurnal Pengabdian Masyarakat Indonesian Journal of Forestry Research
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health Other

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Identifikasi dan Kelimpahan Plankton di Tambak Udang Vannamei (Litopenaeus vannamei) Desa Sawojajar Kecamatan Wanasari, Kabupaten Brebes Sri Mulatsih,; Karina Farkha Dina; Ninik Umi Hartanti; suyono; Nurjannah; Sutaman; Narto; Rosanti Diah Safitri
Clarias : Jurnal Perikanan Air Tawar Vol. 4 No. 2 (2023): Clarias Jurnal Perikanan Air Tawar
Publisher : Universitas Sumatera Selatan

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

Abstract

Ponds in Indonesia, especially in Brebes district, usually produce export-oriented fishery products that have high economic value. One of the fishery products currently being developed is vannamei shrimp (Litopenaeus vannamei). The presence of plankton in the water can be used as an indicator of water quality because it is strongly influenced by water quality. The purpose of this study was to estimate the abundance and stability of pond water from biological measurements (variation, diversity, and dominance of plankton) in the Sawojajar vannamei shrimp ponds. The method used is quantitative and descriptive at random. The results showed that the value of the abundance of phytoplankton ranged from 3451 to 6895 cells/mL, with the highest relative abundance being the type of Bacillariophyta. Meanwhile, the abundance of zooplankton ranged from 45 to 525 ind/mL, with Rotifera having the highest relative abundance. The diversity index status (H') is moderate, the uniformity index (E) is high, and the dominance index is low. Phosphate and COD found were high, as were other water qualities such as DO and temperature. Optimum pH, salinity, and brightness
IDENTIFICATION OF LIGNOCELLULOSE-LIKE MATERIAL USING SPECTROSCOPY ANALYSIS Adi, Danang Sudarwoko; Fatriasari, Widya; Narto; Triwibowo, Dimas; Darmawan, Teguh; Amin, Yusup; Sofianto, Imran Arra'd; Pari, Rohmah; Agustiningrum, Dyah Ayu; Rahmanto, Raden Gunawan Hadi; Dewi, Listya Mustika; Himmi, Setiawan Khoirul; Djarwanto; Damayanti, Ratih; Dwianto, Wahyu
Indonesian Journal of Forestry Research Vol. 11 No. 2 (2024): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2024.11.2.299-306

Abstract

Lignocellulose materials, such as bamboo, rattan, and wood, have been largely used for furniture and crafts. On the other hand, the utilization of lignocellulose-like materials, which have a similar texture and appearance to those from nature, has been increasing recently due to their superior durability. This research aimed to identify the lignocellulose-like material using spectroscopy analysis, such as Raman and Near Infrared (NIR) which is well-known as a non-destructive, quick, and accurate approach for material identification. We investigated 4 types of lignocellulose-like materials that were provided by Dewan Serat Indonesia (The Indonesian Fiber Council) from an industry that produces them. The NIR analysis was performed at wavenumbers 10,000-4,000 cm-1. The natural lignocellulose (bamboo and wood) and the polymers (polyethylene and polyproline) were used as standards. Raman analysis was further employed to identify the composition of selected lignocellulose-like materials by comparing their spectra with the library software. The results showed that the original NIR spectra of lignocellulose-like and those natural materials were different, indicating that the NIR analysis can differentiate those materials. The NIR spectra of lignocellulose-like materials were similar to those of polyethylene spectra. Those lignocellulose-like were also identified as polyethylene due to the similarity of the Raman spectra and their library spectra.
THE SURFACE CHARACTERISTICS AND PHYSICAL PROPERTIES OF SENGON WOOD AT HIGH-TEMPERATURE HEATING TREATMENTS Fariha, Tushliha Ayyuni; Marbun, Sari D; Sudarmanto; Narto; Bahanawan, Adik; Sejati, Prabu S; Darmawan, Teguh; Triwibowo, Dimas; Adi, Danang S; Amin, Yusup; Augustina, Sarah; Dwianto, Wahyu; Sari, Rita K; Alipraja, Irsan; Wahyudi, Imam; Kusuma, EM. Latif R
Indonesian Journal of Forestry Research Vol. 12 No. 1 (2025): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2025.12.1.135-149

Abstract

Sengon (Falcataria moluccana Miq.) is a fast-growing timber species widely distributed in Indonesia. However, its dimensional instability and low surface quality have limited its widespread use. Wood modification is essential for enhancing these properties, and one effective approach is heat treatment. This study investigated the effects of different heat treatment methods and durations on color change, surface roughness, weight loss (WL), decreased density, and dimensional stability of sengon wood. The heat modification process was conducted using two methods: oven-heating and hot press-heating, with temperatures set at 200°C for durations ranging from 1 to 5 hours. The results indicated that oven-heated samples exhibited higher surface roughness, weight loss, density reduction, and dimensional stability while showing less color change than hot press-heated samples. Additionally, the hot press-heated samples displayed more significant color changes (darkening) and smoother surface roughness. WL and decreased density were also more pronounced with longer heating durations, except for the 4- and 5-hour hot press-heating treatments. Notably, oven-heated samples demonstrated higher dimensional stability than hot press-heated samples as the duration of heating increased. Based on the results, the optimal treatment varies depending on the desired product characteristics. For improved surface qualities with consideration of WL, the optimum treatment is a 2-hour hot press-heating treatment. Higher dimensional stability can be achieved through a 3-hour oven-heating treatment.
A Hygiene And Sanitation Assessment Of Warmindo Food Establishments In The Banyuraden Area Wahyu Joko Triono, Muhammad; Haryono, Haryono; Narto; Sri Muryani
JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Vol 22 No 1 (2025): Jurnal Kesehatan Lingkungan Volume 22 No. 1, Januari 2025
Publisher : Poltekkes Kemenkes Banjarmasin Jurusan Kesehatan Lingkungan Banjarbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31964/jkl.v22i1.931

Abstract

Food is one of the factors that can affect human health. Food that is suitable for consumption is food that is of good quality, does not contain poison and is still fresh. Therefore, existing restaurants must implement sanitary hygiene in accordance with Permenkes No. 2 of 2023 concerning Implementation Regulations of Government Regulation No. 66 of 2014 concerning Environmental Health. In Warmindo restaurants in the Banyuraden area, there are still restaurants with incomplete facilities and unhygienic behavior of food handlers such as smoking while processing food and taking ice by hand, which can adversely affect food or even cause food poisoning.
Model of Hospital Waste Processing Equipment to Remove Heavy Metal Pb: Model Alat Pengolah Limbah Rumah Sakit Untuk Menurunkan Logam Berat Pb Ganefati, Sri Puji; Haryanti, Sri; Windarso, Sardjito Eko; Narto; Sugianto
Jurnal Teknologi Lingkungan Vol. 26 No. 2 (2025)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jtl.2025.7774

Abstract

Abstrak Rumah sakit merupakan fasilitas pelayanan kesehatan yang menghasilkan limbah berupa padat, cair, dan gas. Limbah cair yang dihasilkan dari aktivitas rumah sakit mengandung bahan berbahaya dan beracun, sehingga perlu dilakukan pengolahan sebelum dibuang ke badan air. Penelitian ini bertujuan untuk menurunkan kadar Pb dengan metode kuasi eksperimen yaitu menggunakan arang biji alpukat dan arang bambu. Pengambilan sampel menggunakan metode grab sampling, yaitu sebanyak 50 liter. Arang biji alpukat dan arang bambu memiliki kemampuan penyerapan yang baik, sehingga mampu menurunkan kadar Pb limbah cair rumah sakit. Hasil penelitian menunjukkan bahwa terdapat penurunan kadar Pb sebesar 0,007 mg/L yang artinya tidak melebihi baku mutu yang ditetapkan oleh Peraturan Menteri Lingkungan Hidup dan Kehutanan No. 6 Tahun 2021 yaitu maksimum sebesar 0,01 mg/L. Penurunan kadar Pb rata-rata tertinggi yaitu pada campuran arang biji alpukat dan arang bambu sebesar 39.27%.   Abstract Hospitals are healthcare facilities that produce solid, liquid, and gas waste. Liquid waste produced from hospital activities contains hazardous and toxic materials, so it needs to be treated before being discharged into water bodies. This study aims to remove Pb levels using the experimental quartz method, namely using avocado seed charcoal and bamboo charcoal. Sampling was conducted using the grab sampling method, with a total of 50 liters collected.  Avocado seed charcoal and bamboo charcoal have good adsorption capabilities, so they can remove Pb levels in hospital liquid waste. The method of this research is quasi-experimental. The results of the study showed that there was a decrease in Pb levels of 0.007 mg/L, which means that it does not exceed the quality standards set by the Regulation of the Minister of Environment and Forestry No. 6 of 2021, which is a maximum of 0.01 mg/L. The highest average reduction in Pb levels was in the mixture of avocado seed charcoal and bamboo charcoal at 39.27%.  
Pemanfaatan Minyak Jelantah untuk Pembuatan Lilin Aromatherapi di Padukuhan Jaban, Sleman Kusumaningsih, Dela; Rauntana, Lisa; Zanah, Fanisa Ilham; Rahman, Fahmi Aulia; Purnama, Utari Dyah; Narto
Jurnal Pengabdian Masyarakat (JUDIMAS) Vol. 1 No. 2 (2023)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat STIKes Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54832/judimas.v1i2.135

Abstract

Minyak jelantah merupakan suatu minyak goreng sisa pemakaian rumah tangga yang sudah tidak digunakan karena sudah melalui proses pemakaian yang berulang, sehingga menjadi limbah minyak yang dapat menyebabkan dampak buruk terhadap tubuh dan lingkungan. Melalui Praktik Kerja Lapangan Komunitas ini membahas mengenai salah satu program kerja yaitu memanfaatkan limbah minyak jelantah menjadi lilin aromaterapi yang dapat bermanfaat sebagai bentuk pengurangan limbah minyak jelantah. Lilin aromaterapi ini juga dapat bermanfaat sebagai salah satu ide yang dapat menghasilkan yang memiliki nilai jual di Padukuhan Jaban. Pembuatan lilin aromaterapi ini menggunakan beberapa bahan yaitu minyak, sterin, pastel, sumbu, essensial oil, gelas. Prosess pembuatan ini bersama dengan ibu-ibu KWT (Kelompok Wanita Tani), melalui proses penyampaian materi dan sampai pada pembuatan lilin aromaterapi jadi.
Marketing Strategy for Strengthening Competitiveness of Small and Medium Enterprises (SMEs) Instant Sambel Post-Covid-19 Pandemic (Case Study of CV Progressive Gresik) Narto
Jurnal Rekayasa Sistem & Industri Vol 8 No 01 (2021): Jurnal Rekayasa Sistem & Industri
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jrsi.v8i1.458

Abstract

The Covid-19 pandemic that occurred in all countries in the world caused policy shifts globally. Therestriction of public activities in general in all sectors greatly affects the productivity of business actors,especially Small and Medium Enterprises (SMEs) CV Progressive Mengare Gresik instant sauce. Thedecline in product sales is the result of changes in consumer demand behavior. The post-Covid-19pandemic marketing strategy is needed to increase business competitiveness. SWOT analysis integratesinternal and external factors by developing alternative strategies using the SWOT and QSPM matrices todetermine the priority of marketing strategies to improve business competitiveness after the Covid-19pandemic. The research objective is to make efforts to formulate a marketing strategy after the Covid-19pandemic to strengthen the level of business competitiveness of CV Progressive Mengare Gresik SambelInstant SMEs. The results of the strategy formulation are expected to help SMEs in improving themarketing network and sales of the Mengare Gresik instant chili sauce product. The results showed that theposition of instant sambel SMEs CV Progressive Mengare Gresik was in quadrant V with IFAS value2.7037 and EFAS value 2.9416. Alternative strategies based on the priority value of the QSPM matrix of4.9621, namely increasing product promotion through digital marketing and digital branding to expand themarketing network through the marketplace and collaboration with related agencies and local governments
Integration of Importance Performance Analysis (IPA) Method and KANO Model to Measure Customer Satisfaction Level at Bosque Cafe Bungah Gresik Muhammad Tholhah; Narto
Jurnal Rekayasa Sistem & Industri Vol 10 No 02 (2023): Jurnal Rekayasa Sistem & Industri
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jrsi.v10i02.586

Abstract

The Coffee Shop culinary business in the industrial era 4.0 has become a trend among young people. Theexistence of the Covid-19 pandemic requires people to keep their distance and limit activities outside thehome is a challenge in the sustainability of this business, so that these conditions have resulted in adecrease in sales levels. Bosque Café, one of the coffee shop businesses in the city of Gresik, must createquality services to provide comfort in the midst of pandemic conditions and the high business competitionof fellow coffee shops that have been getting higher recently. To attract visitors, several ways must bedone, one of which is to improve the quality of service to customers. The use of the science method to mapthe quality of service with a cartesian diagram can find out the service priorities that must be improved andmaintained. Meanwhile, the KANO model is used for improvement in accordance with the attributes thatmost affect the quality of service. The purpose of this study is to measure the level of customer satisfactionwith the quality of service at Bosque Cafe with an IPA and KANO approach and propose improvements toattributes that affect customer satisfaction. The results of the analysis show that there are 12 serviceattributes that must be improved which are divided into 3 criteria, namely improving human resources,improving services by employees, improving facilities to provide a sense of security and comfort tocustomers
Co-Authors Adi, Danang S Augustina, Sarah Bahanawan, Adik Danang Sudarwoko Adi Djarwanto Dyah Ayu Agustiningrum, Dyah Ayu Fariha, Tushliha Ayyuni Haryono Haryono Himmi, Setiawan Khoirul Imam Wahyudi Indrawan, Imam Wahyudi Irsan ALIPRAJA Karina Farkha Dina Kusuma, EM. Latif R Kusumaningsih, Dela Listya Mustika Dewi Marbun, Sari D Muhammad Tholhah Ninik Umi Hartanti Nurjannah Pari, Rohmah Purnama, Utari Dyah Rahman, Fahmi Aulia Rahmanto, Raden Gunawan Hadi Ratih Damayanti Rauntana, Lisa Rosanti Diah Safitri Sardjito Eko Windarso, Sardjito Eko Sari, Rita K Sejati, Prabu S Sofianto, Imran Arra'd Sri Haryanti Sri Mulatsih, Sri Muryani Sri Puji Ganefati SUDARMANTO Sugianto Sutaman SUYONO Teguh DARMAWAN Triwibowo, Dimas Wahyu DWIANTO Wahyu Joko Triono, Muhammad Widya FATRIASARI Yusup AMIN Zanah, Fanisa Ilham