Author(s): N.R. Sajuni | A.L. Ahmad | V.M. Vadivelu
Journal: Journal of Applied Sciences
ISSN 1812-5654
Volume: 10;
Issue: 12;
Start page: 1146;
Date: 2010;
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Keywords: Filter media | impurities | deamonification | wastewater | biological system
ABSTRACT
Biological filtration in the broadest sense includes any filtration technique that utilizes biological (living) organisms to remove impurities from the wastewater. Filter media selection is critical in the operation to achieve effluent quality requirements. The most important is to choose the correct types of filter media. Laboratory studies were conducted to evaluate the optimum ammonia removal performance using four different types of filter media (Ceramic Ring A, Ceramic Ring B, Japanese Filter Mat and Filter Wool) at different ammonia loading rates of 20 until 120 mg L-1. Ceramic Ring A has been found to give the best performance with respect to their efficiency of ammonia removal because of high surface area and characteristic roughness. In general, nitrification is most efficient at pH levels ranging from about 7.5 to 9.0. Water temperature was kept between (27 and 30°C). Nitrification efficiency is slower at lower temperatures.
Journal: Journal of Applied Sciences
ISSN 1812-5654
Volume: 10;
Issue: 12;
Start page: 1146;
Date: 2010;
VIEW PDF
DOWNLOAD PDF Original pageKeywords: Filter media | impurities | deamonification | wastewater | biological system
ABSTRACT
Biological filtration in the broadest sense includes any filtration technique that utilizes biological (living) organisms to remove impurities from the wastewater. Filter media selection is critical in the operation to achieve effluent quality requirements. The most important is to choose the correct types of filter media. Laboratory studies were conducted to evaluate the optimum ammonia removal performance using four different types of filter media (Ceramic Ring A, Ceramic Ring B, Japanese Filter Mat and Filter Wool) at different ammonia loading rates of 20 until 120 mg L-1. Ceramic Ring A has been found to give the best performance with respect to their efficiency of ammonia removal because of high surface area and characteristic roughness. In general, nitrification is most efficient at pH levels ranging from about 7.5 to 9.0. Water temperature was kept between (27 and 30°C). Nitrification efficiency is slower at lower temperatures.
