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北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University >
第73巻 第2号 >


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Title: アルミニウム-ゼラチン系凝集剤によるカオリン凝集体の沈降速度とろ過特性
Other Titles: Settling Velocity and Filtration Characteristics of Kaolin Floc Formed by Aluminum-Gelatin Composite Flocculant
Authors: 月村, 梨乃1 Browse this author
関, 秀司2 Browse this author →KAKEN DB
丸山, 英男3 Browse this author →KAKEN DB
Authors(alt): Tsukimura, Rino1
Seki, Hideshi2
Maruyama, Hideo3
Keywords: Biodegradable flocculant
Clarification efficiency
Floc settling velocity
Issue Date: 15-Dec-2023
Publisher: 北海道大学大学院水産科学研究院
Journal Title: 北海道大学水産科学研究彙報
Journal Title(alt): Bulletin of Fisheries Sciences, Hokkaido University
Volume: 73
Issue: 2
Start Page: 55
End Page: 61
Abstract: The flocculation ability of aluminum-gelatin (Al-GL) composite flocculant was examined with kaolin suspensions as functions of Al concentration (CAl) and GL concentration (CGL) at pH 6.5-7.5. The reagents were added separately to the kaolin suspension in order of Al solution, pH adjuster, and GL solution. The flocculation performance was evaluated in terms of the clarification efficiency (CE), the settling velocity (v) of kaolin floc on flocculation experiment, and the specific cake resistance (α) on filtration experiment. The settling velocity was determined by an in-situ measurement of transmitted light intensity through the kaolin suspension using a self-made apparatus. Based on the obtained parameters, CE, v, and α, the optimum conditions were found to be CAl = 0.5 mM and CGL = 0.05 g/L for the flocculation of kaolin suspension of 10 g/L.
Type: bulletin (article)
Appears in Collections:北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University > 第73巻 第2号

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