id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
american_scientific_journal-3621	Heikal, Ghada; Wagdy, Rabab; Eldidamony, Gamal	Bacteriophage Removal Using Upflow Biosand filer: A Laboratory Study	2017	8	.pdf	application/pdf	2474	105	50	Result and discussion 3.1 Effect of sand type The variation of decreasing the pollutant as a function of sand type by the BSF system is shown in fig (2) Coarse sand filter it gives no result at 21 cm above the gravel surface , while on using fine sand filter the reduction percent increased gradually until it gives 75% pollutant removal ( from 549-200) MPA . [11] the result agreed with [10] The effect of sand filter characteristics on removal efficiency of organic matter from Grey water.	cache/american_scientific_journal-3621.pdf	txt/american_scientific_journal-3621.txt