Authors : Jabbar H. Al-Baidhany and Abbas Rasol Ghanim
Abstract: The present study was based upon utilization of a direct filtration pilot plant to treat simulated raw water by mixing bentonite clay with tap water. The porcelanite material was used as dual filter media with silica sand for different porcelanite depths. The total filter depth of 1m and porcelanite depth ratios of (30, 50 and 70%). The effective size of porcelanite and sand are 0.8 and 0.5 mm, respectively. The filter has 50% porcelanite ratio which leads to obtain longer running time as compared with the other two filters. The maximum raw water turbidity that can be treated by using this set was 100 NTU with average removal efficiency of 99.4%. The run time was of 9 h and effluent turbidity was <5 NTU. Alum had been used as a coagulant in this study with different dosages to show their effects on the turbidity removal efficiency where the decreasing in alum dosage gave better results of run duration and turbidity removal efficiency.
Jabbar H. Al-Baidhany and Abbas Rasol Ghanim, 2018. Treatment of Water Using Dual Direct Filtration of Porcelanite Media. Journal of Engineering and Applied Sciences, 13: 8238-8243.