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All Journal Indonesian Journal of Geography Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Sumberdaya Alam dan Lingkungan Jurnal Teknik Pengairan: Journal of Water Resources Engineering Journal of Engineering and Technological Sciences JURNAL INTEGRASI PROSES Journal of Multidisciplinary Academic Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Jurnal Teknologi Bahan dan Barang Teknik
Mutiara Fajar
Institut Teknologi Sumatera
Religion Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences Other

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Journal : Journal of Multidisciplinary Academic

 1 
Analyzing the Rapid Mixing Time Effect on Coagulation – Flocculation Process using Moringa Oleifera Mutiara Fajar
Journal of Multidisciplinary Academic Vol 4, No 3 (2020): Science, Engineering and Social Science Series
Publisher : Penerbit Kemala Indonesia

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Abstract

Rapid mixing time is one of the most important factors on coagulation – flocculation process in water treatment. In this study, Moringa Oleifera (MO) seed was used as a natural coagulant to remove Fe and Mn in well water. The effects of rapid mixing time to remove Fe, Mn, and turbidity floc size were investigated. Here, rapid mixing time variations were used around 30 -300 s coagulant doses (equal 33 mg/l) with 100 rpm rapid mixing speed while slow mixing speed of 40 rpm for 10 minutes and settling time for 60 minutes. The result showed that Fe and Mn removal ranging from 26-48 % and 13-31% with optimum rapid mixing time to remove Fe was 180 s; Mn was 150 s; and turbidity was 180 s, respectively. Based on correlation analysis using SPSS software with the Rank Spearman method, the residual concentration of Fe had a very strong correlation with residual Mn (r = 0.967) and a strong correlation with turbidity (r = 0.746) while the residual concentration of Mn has a very strong correlation with turbidity (r = 0.809).
Co-Authors Alam, ‪Firdha Cahya Alfian Zurfi Andika Munandar Dede Pratama Desi Riana Saputri Ella Novita Feerzet Achmad Iis Mulyani Irene Seventina Lubis Marisa Handajani Mawaddah, Nurul Novelila, Alisha Novi Kartika Sari Nurul Mawaddah Patricia, Ester Raden Fattah Asfari Ahmad Rahma Yanda Ranisa Ayatri Sembiring, Emenda Suharto Suharto Suhartono Wika Atro Auriyani Wulan Asmarani Yunita Fahni