The Characteristics and Application of Water Quenched Slag Particles (WQSP) as Filter Media

Abstract:

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Novel filter media-water quenched slag particles (WQSP) were prepared using waste material- Water quenched slag, clay and pore-forming material with a mass ratio of 3:2:1. Compared with haydite, WQSP had higher total porosity, larger total surface area and lower bulk and apparent density. Tests of heavy metal elements in lixivium proved that SGSP were safe for wastewater treatment. In order to ascertain the application of WQSP ,WQSP and haydite were applied as the media of biological aerated filters (BAF) to treat municipal wastewater in two lab scale upflow BAFs. The results showed that WQSP reactor brought a relative superiority to haydite reactor in terms of chemical oxygen demand (CODcr) and ammonia nitrogen (NH3-N) removal at the conditions of water temperature ranging from 200C to 260C and DO ≥4.00 mg·L-1. Therefore, WQSP application, as a novel process of treating wastes with wastes, provided a promising way in water quenched slag utilization.

Info:

Periodical:

Advanced Materials Research (Volumes 156-157)

Edited by:

Jingtao Han, Zhengyi Jiang and Sihai Jiao

Pages:

1247-1250

DOI:

10.4028/www.scientific.net/AMR.156-157.1247

Citation:

Y. Feng et al., "The Characteristics and Application of Water Quenched Slag Particles (WQSP) as Filter Media", Advanced Materials Research, Vols. 156-157, pp. 1247-1250, 2011

Online since:

October 2010

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Price:

$35.00

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