小型装置による重金属含有廃液の処理

概要

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Although it was very important for environmental pollution prevention, but scarecely known in detail that the removal of heavy metals in laboratory waste waters with a small size apparatus. Waste waters, as a model solution, containing such metal ions as Fe, Ni, Cu, Mn, Zn, Pb, Cr, As, Cd, and Hg were prepared and treated, under various conditions, with an equipment having a 50 liter reaction vessel installed an air bubbling system, 2 baskets with relatively thick filter papers, and a neutralization vessel with same air bubbling as mentioned.　Treated effuluents with this equipment under the optimum condition were so clean that they could be discharged to public river or sea, but a treated effuluent for the waste water containg Hg could be done after passlng 2 cartridges packed with activated carbon of 550 g.
横浜国立大学環境科学研究センターの論文