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All Journal Jurnal Teknik Sipil Journal of Community Based Environmental Engineering and Management INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Specta Journal of Technology INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Journal Serambi Engineering (JSE)
Pradiko, Hary
Fakultas Teknik - Universitas Pasundan
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Public Health Other

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Influence of Mixing and Detention Time in Electro Coagulation Process to Treat Raw Water at Badak Singa Water Treatment Plant Hary Pradiko; Evi Afiatun; Evan Fabian
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Volume 1, Number 2, April 2018
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v1i2.2823

Abstract

Source of raw water used at Badak Singa Water Treatment Plant come from surface water such as Cisangkuy River. This source of raw water is affected by conditions in the upstream, pollution along the stream, climate and weather. In the drinking water supply system, turbidity is one important factor for several reasons such as aesthetic factor, burden to filtration, and interfere the disinfection process. Electro coagulation is one of water treatment method that combines the process of coagulation, flotation, and electrochemical. Aims: This research aims to see at the ability of the electro coagulation process in reducing turbidity as an alternative to substitute the conventional coagulation system. Methodology and results: This research carried out by testing electro coagulation with variations in mixing, current density produced by voltage 10, 20 and 30 volt and detention time 5, 10, 20 and 30 minute to reduce the initial turbidity of 100 NTU. The result are that: the efficiency of electro coagulation with mixing is better than electro coagulation without mixing to reduce the initial turbidity of 100 NTU; the final turbidity value of the processing result is better as the length of detention time used and meet the quality standard from detention time of 10 minute; the higher the current density given and the longer the detention time used, the higher the processing efficiency and the formed flock volume is deposited.  Conclusion, significance and impact study: A good turbidizing removal process using electrocoagulation requires the agitation process and long detention time.
Tingkat Kebisingan Akibat Aktivitas Lalu Lintas di Sekitar Rumah Sakit Hasan Sadikin Bandung Muhammad Ade Syaifulloh; Yonik Meilawati Yustiani; Hary Pradiko
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Lintasan lalu lintas di Kota Bandung mengalami perubahan jalur pada tahun 2019, salah satunya di daerah Rumah Sakit Hasan Sadikin (RSHS). Aktivitas lalu lintas ini berpotensi menimbulkan kebisingan yang mengganggu personil dan pasien RSHS serta operasionalnya. Penelitian ini bertujuan untuk memetakan kondisi kebisingan di sekitar RSHS serta menemukan hubungan antara volume kendaraan yang melintas dengan kebisingan yang timbul. Metode yang digunakan yaitu pengukuran pada 10 titik selama 10 hari, disertai dengan menghitung jumlah kendaraan yang melintas. Hasil penelitian menunjukkan bahwa pada pagi hari terjadi kebisingan tertinggi sebesar 71,3 dBA, siang hari sebesar 73,1 dBA dan sore hari sebesar 70,1 dBA. Kebisingan yang terjadi ini melampaui batas maksimum jika dibandingkan dengan baku mutu. Korelasi yang diperoleh dari jumlah kendaraan dengan kebisingan bervariasi dengan koefisien terkuat sebesar 0,91, mengindikasikan bahwa semakin banyak kendaraan yang melintas RSHS menimbulkan peningkatan kebisingan yang signifikan.
Co-Authors Afiatun, Evi Anni Rochaeni Arwin Sabar Diki Abdurahman Evan Fabian Evi Afiatun Hasbiah, Astri Hermin Aulia Racmie Hidayat Hidayat Indragiri Jatikusuma Jatikusuma, Indragiri Lili Mulyatna Muhammad Ade Syaifulloh Muhammad Bagas Grahandikha, Muhammad Bagas Nine Triani Prayatni Soewondo Rahayu, Giga Galuh Reviardi Redi Nugroho Rusmaya, Deni Santika Santika Suju, Anis Dwiantoro Suryadi, Yadi Yustiani, Yonik Meilawati