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Pengaruh Proses Koagulasi Flokulasi Pada Penyisihan Kandungan Asam Humat, Besi (Fe) Dan Warna Air Gambut Dengan Koagulan Poly Aluminium Chloride (PAC)

Peat water contains natural organic matter (NOM) dominated by humic substances. This organic content causes several problems in water bodies, such as color and odor. Besides organic matter, peat water also contains inorganic substances such as dissolved metals, namely iron (Fe). The iron (Fe) content in peat water also causes the water to turn brown and can cause health problems, so it needs to be treated before it can be used for daily needs. The treatment that can be used is coagulation-flocculation. The coagulant used is PAC, which is a synthetic polymer from aluminum-based salts, which contains chloride and high cation species, so it effectively destabilizes and bridges flocs and is able to provide a greater capacity for removing suspended solids. The objective of this research is to determine the effect of PAC coagulant dosage and coagulation speed, to determine the relationship between humic acid and color, and to compare the treatment results with quality standards. The coagulation-flocculation process was carried out using a jar test with variations in fast stirring speeds of 160 rpm, 180 rpm, and 200 rpm for 1minute, slow stirring of 40 rpm for 20 minutes, with dosage variations of 190 mg/L, 200 mg/L, 210 mg/L, 220 mg/L, 230 mg/L, and 240 mg/L. The results of this study show that coagulant dosage is a more dominant factor in determining the effectiveness of the coagulation-flocculation process. This is evidenced by the results of the two-way ANOVA test which shows that coagulant dosage has a significant effect on the removal of humic acid, iron (Fe), and color of peat water compared to stirring speed.

Keywords: peat water, coagulation-flocculation, PAC

Ketersediaan
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Perpustakaan Universitas Riau 1907111505
1907111505
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No. Panggil
1907111505
Penerbit
Pekanbaru : Universitas Riau - F. Teknik - Teknik Lingkungan.,
Deskripsi Fisik
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Bahasa
Indonesia
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Klasifikasi
1907111505
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Tipe Media
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Tipe Pembawa
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Edisi
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Subjek
TEKNIK LINGKUNGAN
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