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All Journal Jurnal Teknik Kimia Jurnal Ilmiah Teknik Kimia REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Scientica: Jurnal Ilmiah Sains dan Teknologi
Ronny Kurniawan
Program Studi Teknik Kimia, FTI, itenas Bandung, Jl. PHH. Mustafa No 23 Bandung
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Industrial & Manufacturing Engineering Social Sciences Other

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PENGARUH KONSENTRASI LARUTAN GARAM DAN WAKTU Kurniawan, Ronny
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.86

Abstract

Catfish is a kind of fish that has high protein rate around 20% mass that can be exploited onthe application knowledge of food biotechnology, and one of protein resources for Indonesia society.The application is as raw material soy sauce making.The experiment of soy sauce making that made of the catfish conducted by pulverizing thecatfish flesh then mixed it up with pulverized pineapple (containing bromelin enzyme) and water. Thecomparison mass is (g):mass (g):volume (ml) with the comparison value 1:2:1 and pH 6-7. All of thematerial has to be put the incubator as long as 3 days with the temperature 50o Keywords : soy sauce, fermentation, catfish, streptococcus lactis bactery, bromelinC. The hydrolysis result added with salt in the concentration 3% (mass/volume), 5% (mass/volume), 9%(mass/volume) and acidbactery lactit streptococcus lactis which further on separated it so it produced the fish soy saucefiltrate.The purpose of this research are to analyze the influence of salt condensation concentrationand the time of processed salt condensation fermentation by using 2 sided variant analysis method andto analyze totalize dissolve nitrogen content and organoleptic test including taste, color and scent toget soy sauce with quality. The result shows the highest protein rate is got on condensationconcentration variation of 3% and 7 day, hydrolysis time with protein rate of 17.95%. While accordingto organoleptic test the sauce which is produced accepted enough by society including taste, scent andcolor.
Empowering Rural Sustainability: Advancing Household-Scale Biogas Reactor Technology with Fiber Reinforced Plastic (FRP) in Suntenjaya Village, Lembang Parapat, Riny Yolandha; Sudaryanto, Bima Aji; Firdaus, Muhammad Zaki; Hidayat, Windy Nur Ramadhani Putri; Kurniawan, Ronny; Yuono, Yuono; Harjaya, Immanuel Teja
REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Vol 5, No 1 (2024): REKA ELKOMIKA
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaelkomika.v5i1.67-77

Abstract

Rural communities require appropriate technology to process livestock waste that has been polluting the environment, particularly water bodies such as rivers. Biogas technology offers a solution by converting waste into renewable energy, namely biogas, which can be utilized for daily needs and high-quality organic fertilizer production. Unfortunately, the biogas reactors currently in use were developed over 50 years ago without significant innovations. Hence, there is a pressing need for a more efficient (affordable and user-friendly) and effective (in terms of performance) biogas reactor technology suitable for rural communities—specifically, the Fiber Reinforced Plastic (FRP) biogas reactor technology. The objective of this endeavor is to create a household-scale prototype FRP biogas reactor, designed according to specific requirements and standardized for widespread use. This prototype will be implemented and tested in the field, allowing for dissemination to a broader audience. For modeling purposes, the FRP reactor design will be applied in a demonstration plot in Sunten Jaya Village, Lembang Subdistrict, West Bandung Regency. The results from the demonstration plot reveal that the produced biogas amounts to 40 L/kg of cow dung.
EVALUASI SISTEM MANAJEMEN KESELAMATAN DAN KESEHATAN KERJA DI INDUSTRI TEKSTIL MENGGUNAKAN METODE HIRADC (HAZARD IDENTIFICATION RISK ASSESSMENT AND DETERMINING CONTROL) Kurniawan, Ronny; Parapat , Riny Yolandha; Fitri , Nadira Alifia; Septariani , Najla; Fauziyah , Salma Hasna; Choerudin, Choerudin
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 7 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

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

Abstract

Penelitian bertujuan untuk mendeskripsikan pelaksanaan Sistem Keselamatan dan Kesehatan Kerja (K3) di industri tekstil. Metode yang digunakan adalah menggunakan metode HIRADC (Hazard Identification Risk Assessment and Determining Control). Informan utama ada 1 orang staf yang bekerja terkait dengan kesehatan dan keselamatan kerja. Artikel ini meliputi identifikasi bahaya serta pengendalian resiko kecelakaan yang terjadi, implementasi peraturan K3, pelatihan dan kesadaran karyawan, penggunaan alat pelindung diri (APD), dan manajemen resiko. Hasil penelitian ini terdiri dari identifikasi kecelakaan-kecelakaan yang terjadi, penilaian tingkat resiko kecelakaan, dan memberikan pengendalian risiko terhadap kecelakaan-kecelakaan yang terjadi di industri tekstil.
ANALISIS RESIKO KESELAMATAN DAN KESEHATAN KERJA DENGAN METODE HIRADC : STUDI KASUS DI INDUSTRI PEMBUATAN BOTOL MENGGUNAKAN PLASTIK PET (POLYETHYLENE TEREPHTALATE) CIMAHI Kurniawan, Ronny; D.M, Adinda Azzahra; C, Reygina Katon; Nurfauzi, Ahmad; Yolandha, Riny; Suhartono, Jono
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 2 No. 7 (2024): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v2i7.1881

Abstract

Keselamatan dan Kesehatan kerja (K3) merupakan aspek yang penting dalam lingkungan kerja untuk menjaga kesejahteraan karyawan dan produktivitas perusahaan. Namun pada pelaksanaanya masih saja terdapat kemungkinan resiko terjadinya kecelakaan dan penyakit akibat kerja. Di Perusahaan Pembuatan Botol Menggunakan Plastik PET (Polyethylene terephthalate) juga kemungkinan kecelakaan kerja bisa saja terjadi. Perusahan pembuatan botol plastic memiliki resiko terhadap cedera akibat kecelakaan Kerja. Artikel ini menyajikan sebuah tujuan mengenai implementasi program keselamatan dan Kesehatan kerja (K3) dalam konteks Industry Pembuatan Botol Plastic. Metode yang di pakai adalah menggunakan HIRADC (Hazard Identification Risk Assesment and Determaning Control) yang terdiri dari identifikasi masalah, penilaian resiko, dan pengendalian resiko-resiko potensial yang terkait denngan proses produksi. Hasil penelitian dari sembilan proses yang ada pada industry pembuatan botol, proses yang paling kecil memungkinkan resiko adalah proses pemasukan preform dan proses dengan kemungkinan resiko paling besar adalah proses blow. Melalui penerapan metode HIRADC secara teratur, perusahaan dapat meningkatkan K3, mengurangi insiden cedera, dan meniptakan lingkungan kerja yang lebih aman dan sehat bagi seluruh anggota tim produksi.
Efektivitas Bioadsorben dalam Pengolahan Limbah Warna Methyl Orange dengan Menggunakan Kulit Buah Kakao (Theobroma cacao L) Suhartono, Jono; Fadillah, Fitri Nur; Pratiwi, Vibianti Dwi; Choerudin; Kurniawan, Ronny
Jurnal Ilmiah Teknik Kimia Vol. 10 No. 1 (2026): JURNAL ILMIAH TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia, Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jitk.v10i1.53944

Abstract

Cacao (Theobroma cacao L) is a plant that produces 75% of waste in the form of fruit peels. Cacao pod husk contains coarse fiber, cellulose, hemicellulose, and lignin so it has the potential to be used as an adsorbent. Textile liquid waste generally contains dyes that are difficult to decompose and have the potential to pollute the environment, one of which is methyl orange (MO) which is toxic and mutagenic. This study aims to evaluate the effectiveness of cacao peel as a bioadsorbent in the elimination of MO from liquid waste. The adsorption process is carried out using a packed column with a cacao bed weight of 100g. The initial concentration of the MO waste feed used is 5 ppm with an operating temperature at room conditions between 25 - 27oC. In this study, the influence of flow rate and pH was studied. The best results were compared to cacao bioadsorbents activated using the alkaline method. The results showed that the optimal conditions were achieved at a flow rate of 25 ml/min and pH 7 with an adsorption capacity of 19.81 × 10⁻⁵ mg/g. Cacao bioadsorbent with alkaline activation is able to increase the surface area and pore volume of the adsorbent, so that the adsorption capacity increases even though the activation residue has an effect on the chemical oxygen demand (COD) and total suspended solid (TSS) values.
Co-Authors C, Reygina Katon Choerudin Choerudin, Choerudin D.M, Adinda Azzahra Fadillah, Fitri Nur Fauziyah , Salma Hasna Firdaus, Muhammad Zaki Fitri , Nadira Alifia Harjaya, Immanuel Teja Hidayat, Windy Nur Ramadhani Putri Nurfauzi, Ahmad Parapat , Riny Yolandha Parapat, Riny Yolandha Pratiwi, Vibianti Dwi Septariani , Najla Sudaryanto, Bima Aji Suhartono, Jono Yolandha, Riny Yuono, Yuono