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Evaluasi Kinerja Koagulan-Flokulan Untuk Menurunkan Chemical Oxygen Demand (Cod), Biological Oxygen Demand (Bod), Dan Warna Di Tertiary Treatment

ABSTRACT
Wastewater treatment is an important part in supporting the sustainability of pulp and paper industry operations. One of the stages used to improve wastewater quality is the coagulation-flocculation process in tertiary treatment. This study aims to evaluate and compare the performance of two types of coagulants, namely aluminum sulfate (alum) and polyaluminium chloride (PAC), which are combined with polymers on water quality parameters in the form of Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), and color. This study uses a secondary data analysis method, namely data obtained from the recapitulation of previously available laboratory tests. Data were obtained from the Effluent Treatment Plant (ETP) area of the pulp and paper industry during the period August–September 2024, then analyzed quantitatively to evaluate the performance of coagulants-flocculants (alum and PAC). The results showed that PAC at a low dose of 150-180 ppm produced a COD value of 166 mg/L, BOD, 85 mg/L and color of 300 pt.co, while alum achieved almost similar results at a high dose of 330-360 ppm with a COD value of 198 mg/L, BOD 95 mg/L and color of 355 pt.co. To support better wastewater treatment, it is recommended to use PAC coagulant with low dose optimization, because it is able to provide better COD, BOD, and color reduction results compared to alum, while maintaining compliance with environmental quality standards.
Keywords: Biological oxygen demand, chemical oxygen demand, coagulation-flocculation, color, polyaluminium chloride.

Ketersediaan
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Perpustakaan Universitas Riau 2207025639
2207025639
Tersedia
Informasi Detail
Judul Seri
-
No. Panggil
2207025639
Penerbit
Pekanbaru : Universitas Riau – F.TEKNIK - Teknologi Pulp Dan Kertas D-III.,
Deskripsi Fisik
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Bahasa
Indonesia
ISBN/ISSN
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Klasifikasi
2207025639
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
Teknologi Pulp Dan Kertas D-III
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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