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Calculation of Chemicals and Cost of Water Purification Process at Water Treatment Plant PT.XYZ
Acidic, turbid reservoir water and uncontrolled dosing raise treatment cost at palm oil mills. This study determined jar-test doses of soda ash (Na 2 CO 3 ), aluminum sulfate (Al 2 (SO 4 ) 3 ), and Profloc...Chairil Almy
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Rachmi Hidayani Tengku
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New Vitta Mey Destty Marbun
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Golfrid Gultom
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John Hartman Natanael Simangungsong
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Reni Silvia Nasution
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Effectiveness of HCl-Activated Duck Eggshell (Anas platyrhynchos domesticus) for Pb²⁺ Removal from Well Water
Clean water is essential for human health; however, Pb²⁺ contamination in well water remains a serious environmental concern, particularly in areas with industrial activities and inadequate waste management. This...Farida Ariani
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Marliza
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Optimal Control with Treatment and Water Sanitation for Cholera Epidemic Model
This paper proposes a mathematical model for cholera using optimal control of treatment through quarantine and water sanitation. Cholera is acute diarrhoea caused by Vibrio cholera bacteria infecting the intestinal...Heri Purnawan
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Rifky Aisyatul Faroh
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Muhammad Hasan Wahyudi
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Sari Cahyaningtias
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The Use of Peanut’s Shells and Sawdust Absorbents for Reduced Iron (Fe) Levels of Dug Well Water Puspitaloka Residence Housing at Tanjungpinang City in 2019
Iron (Fe) levels in the dug well water of the community in Puspitaloka Residence Housing exceeded the quality standard so processing is needed to reduce the levels of iron contained in the dug well water. The purpose...Juliana Juliana
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Hevi Horiza
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Rinaldi Daswito
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Physicochemical Properties of Herbal Tea Bags from Belimbing Wuluh Leaves (Averrhoa bilimbi) and Gotu Kola Leaves (Centella asiatica) with the Addition of Cinnamon Powder (Cinnamomun burmanii)
This study aims to study the characteristics of herbal teabags from belimbing wuluh leaves and gotu kola leaves with the addition of cinnamon powder. This study used a completely randomized design with 5 treatments,...Diana Sylvi
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Daimon Syukri
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Fachrur Rozi
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Devi Purnama Sari
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The influence of the use of activated carbon Fibres of the cane Against the drop in Salinity In the well Dig In RT 003 RW 006 Village Cape Town Unggat Tanjungpinang Year 2017 Pengaruh Penggunaan Karbon Aktif Ampas Tebu Terhadap Penurunan Salinitas Pada Sumur Gali Di RT 003 RW 006 Kelurahan Tanjung Unggat Kota Tanjungpinang Tahun 2017
Salinity levels of one dug well water in RT 003 RW 06 Kelurahan Tanjung Unggat Tanjungpinang exceeded the quality standard that is 2 ‰ so need do the processing of dug well water is one of them using activated carbon...Hevi - Horiza
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Effect of Adding Beet Puree (Beta vulgaris L) on the Characteristics of Dry Noodles Made from Wheat Flour with Substitution of Sorghum (Sorghum bicolor (L) Moench) Flour
This study aims to determine the effect of adding beet tuber puree on the characteristics of dry noodles made from wheat flour with sorghum flour substitution. This research design used Complete Randomized Design...Diana Sylvi
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Purnama Dini Hari
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Fadhillawati Fri Asma
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EFEKTIVITAS BUBUK BIJI PEPAYA (Carica Papaya Linnaeaus) SEBAGAI LARVASIDA ALAMI TERHADAP KEMATIAN LARVA AEDES AEGYPTY TAHUN 2015
Papaya seeds are excellent to be used as a repellent larvae of Aedes aegypti because of the toxins contained in papaya seeds called alkaloid karpaina. The research objective was to determine the effectiveness of...Iwan Iskandar
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Hevi Horiza
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Nanang Fauzi
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Leaf Anatomical Modification in Drought of Rice Varieties (Oryza sativa L.)
Each organ plant has been formed perfectly to support physiological processes in an unfavorable environmental condition. Rice ( Oryza sativa L.) be included plants sensitive to drought conditions during a stage of...Anggara Dwi Putra Zagoto
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Violita Violita