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• W2336700199 abstract "Seaweed Sargassum sp. is able to adsorb organic materials in fisheries liquid waste because it contain polysaccharides, protein and lipid in cell wall surface that consist of functional groups like amino, hydroxil, carboxyl and sulfate. This research aims were to determined the utilization of Sargassum as an adsorbent, the effect of chemical modification of Sargassum and adsorbent’s weight in ability to adsorb fisheries liquid waste. Some parameters were tested in this research. Colour of liquid waste was observed visually, pH of liquid waste was tested by pH meter, turbidity was tested by turbidimeter, total suspended solids (TSS) was tested by gravimetry method and chemical oxygen demand (COD) was tested by closed reflux with titrimetry method. Reduction COD value of fisheries home industry liquid waste optimally can be achieved by Sargassum modified by acid. Optimal performance was obtained when the weight value of adsorbent between 1.0-2.0 gram in 100 ml liquid waste. Generally, optimal weight of adsorbent in order to reduce organic compounds was 1.0 gram in 100 mL fisheries home industry liquid waste. Using 1.0 gram Sargassum with acid modification made the liquid waste colour almost clearly, reached a pH level of 4.84, decreased turbidity level of 245 NTU, decreased TSS level of 851.7 mg/L and COD level of 720 mg/L. Keyword: acid modification, adsorb, adsorbent, fisheries liquid waste, Sargassum sp. Abstrak Rumput laut Sargassum sp. mampu mengadsorbsi bahan organik pada limbah cair perikanan karena mengandung polisakarida, protein atau lipid pada permukaan dinding selnya yang terdiri dari gugus fungsional, seperti amino, hidroksil, karboksil, dan sulfat. Penelitian ini bertujuan untuk menentukan pengaruh penggunaan Sargassum sebagai adsorben, pengaruh modifikasi kimia pada rumput laut Sargassum dan bobot adsorben yang digunakan terhadap kemampuan mengadsorbsi limbah cair perikanan. Beberapa parameter diuji selama penelitian. Warna limbah cair diamati secara visual, nilai pH diuji menggunakan pHmeter, kekeruhan dengan turbidimeter, total padatan tersuspensi (TSS) secara gravimetri dan COD dengan metode refluks tertutup secara titrimetri. Modifikasi optimum yang mampu menurunkan kadar COD limbah cair industri rumah tangga perikanan adalah modifikasi menggunakan asam. Sargassum sebagai adsorben limbah cair industri rumah tangga perikanan berfungsi dengan baik pada bobot 1,0-2,0 gram dalam 100 mL limbah cair. Bobot adsorben secara umum yang paling efektif dalam menurunkan beban limbah cair industri rumah tangga perikanan adalah pada bobot 1,0 gram dalam 100 mL limbah cair. Penggunaan 1,0 gram Sargassum modifikasi asam dapat menjadikan warna limbah cair menjadi agak bening, menurunkan pH menjadi 4,84, menurunkan nilai kekeruhan menjadi 245 NTU, nilai TSS sebesar 851,7 mg/L dan nilai COD sebesar 720 mg/L. Kata kunci: adsorbsi, adsorben, limbah cair perikanan, modifikasi asam, Sargassum sp." @default.
• W2336700199 created "2016-06-24" @default.
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• W2336700199 date "2012-01-01" @default.
• W2336700199 modified "2023-09-25" @default.
• W2336700199 title "PEMANFAATAN RUMPUT LAUT Sargassum sp. SEBAGAI ADSORBEN LIMBAH CAIR INDUSTRI RUMAH TANGGA PERIKANAN Utilization of Seaweed Sargassum sp. as an Adsorbent for Fisheries Home Industry Liquid Waste" @default.
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