PHOSPHORUS REMOVAL USING STEEL SLAG

查看全文 作　　者：R.W. [1]Smith

机构地区：[1]Metallurgical and Materials Department, Nevada University of Reno, NV89503 Nevada, USA

出　　处：《Acta Metallurgica Sinica(English Letters)》索引2006年第19卷第6期,共6页

摘　　要：Steel slag is a byproduct produced in large amounts in the steel-making process. It is an important resource that can be effectively utilized. An experiment was described in which steel slag was tested as an adsorbent for the removal of phosphorus from waste water. Phosphorus removal depended on the amount of steel slag added, the pH value, the contact time, and the initial concentration. Under laboratory conditions when the added slag was 7.5g/L, the contact time 2h, and the pH value was equivalent to 6.5, over 99% of the phosphorus was removed; the experimental data on steel slag adsorption of phosphorus in the water fitted the Freundlich isotherm model. Steel slag was found to be very effective in adsorbing phosphorus. 关键词：STEEL SLAG WASTE WATER PHOSPHORUS REMOVAL

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PHOSPHORUS REMOVAL USING STEEL SLAG

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