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Combined column and cell flotation process for the treatment of PAH contaminated hazardous wastes produced by an aluminium production plant

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Abstract.
The aluminium electrolytic plants generate PAH and fluoride contaminated wastes which are usually
classified as hazardous material. These residues are generally disposed in secure landfill sites. A flotation
cell process was previously developed to remove PAH from these aluminium industry wastes. The tests
were done on composite samples made of particle size fractions under 50 mm. The efficiency of the
flotation cell processwas demonstrated but the high quantity of concentrate produced (14.0%) during the
air injection period, because of the solid entrainment, raised the treatment cost.
The aim of this study was to reduce the entrainment of fine particles in order to obtain an efficient and
economic technology. The process initially developed was modified: the smallest particle size fraction
(

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Ketersediaan

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Informasi Detail

Judul Seri

Journal of Hazardous Materials

No. Panggil

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Penerbit

London : Elsevier B.V.., 2009

Deskripsi Fisik

Journal of Hazardous Materials 165 (2009) 394–407

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

LINGKUNGAN HIDUP

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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