The Experimental Study of Ammonia Removal in Compound Clinoptilolite Biological Aerated Filter (BAF)

Abstract:

The experiment use clinoptilolite powder as main materials to prepare the large specific surface and high porosity spherical compound filter material.Experimental results indicate that compound filter material is used as filter medium in biological aerated filter for wastewater treatment，in the early 5 days the average removal rate of NH3-N was 58.5% in biological aerated filter when the average influent NH3-N concentration was 37 mg/L. At the stably running phase, the average removal ratio and concentration of effluent NH3-N reached 83.51% and 5.81mg/L, when the average concentrations of influent NH3-N was 35mg/L which could meet the first order discharging index of Integrated Wastewater Discharge Standard (GB 8978-1996).

• Periodical: Applied Mechanics and Materials (Volumes 295-298)
• Pages: 232-235
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.295-298.232
• Online since: February 2013
• Authors: Long Long Gao, Yan Zhen Yu, Miao Wan Li, Yu Xing Zhou, Hua Dong Zhang
• Keywords: Adsorption, Ammonia Nitrogen, Biological Aerated Filter (BAF), Compound Filter Material

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