@incollection{,
	
					
					
					EF7F30567D806C4B43C559AAA7B59D1D
				,
	author={{Dr. FaizAl-Kathily}},
	journal={{Global Journal of Researches in Engineering}},
	journal={{GJRE}}2249-45960975-586110.34257/gjre,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1423959
}

@book{b0,
	
	
		,
	title={{A SIMPLIFIED EMPIRICAL MODEL FOR THE ONE-STAGE DIRECT FILTRATION}}
		
	

}

@book{b1,
	
	
		,
	author={{
			*Moharram Fouad
		}}
		,
	title={{Ragab Barakat** and Ahmed Fadel 4. THEORETICAL INVESTIGATION ON USING DIRECT FILTRATION PROCESS FOR TREATING RAW WATER FROM LAKE NASSER IN EGYPT, Hazem I Saleh}}
				
	

}

@book{b2,
	
	
		,
	title={{}}
		,
	author={{
			MAl-Layla
		} and {
			AnnArbor Science
		} and {
			P
		}}
		
		
		
			,
	year={1977}
			187
		
	

}

@book{b3,
	
	
		,
	title={{Comparison study between one layer media filter and multimedia filter and continuous filtration and its effect on drinking quality}}
		
			,
	year={1982}
		
		
			MS Degree Study, University of Technology / Iraq
		
	

}

@book{b4,
	
	
		,
	title={{A Borchart, water quality and treatment, a hand book of public water supplies}}
		,
	author={{
			JDr
		}}
		
			,
	address={Nc Graw-Hill}
		
	

}

@book{b5,
	
	
		,
	title={{Water Treatment Handbook}}
		,
	author={{
			Degremont
		}}
		
			,
	year={1979}
		
	
	,
	note={Firm in didot, A., fifth edition}

}

@book{b6,
	
	
		,
	title={{The scientific basis of filteration, nato advanced study institutes series noord hoffleyden}}
		,
	author={{
			KJIves
		}}
		
			,
	year={1975}
		
	

}

@book{b7,
	
	
		,
	title={{Mathmatical modeling in water and waste water treatment, applied science publishers LTD}}
		,
	author={{
			DonaldANorley
		}}
		
			,
	year={1979}
			,
	address={London}
		
	

}

@book{b8,
	
	
		,
	title={{}}
		,
	author={{
			THTebbutt
		}}
		
	
	,
	note={principle of water quality control, second edition. pergamon press}

}

@incollection{b9,
	
	
		,
	title={{Letterman, a study of the treatment of lake Michigan water using Direct Filtration}}
		,
	author={{
			RaymondD
		}}
		UILI- WRC-75-102
	
	
		,
	journal={{Reserch report}}
		
			102
			,
	year={1975}
		
	

}

@incollection{b10,
	
	
		,
	title={{Designing water treatment facilities}}
		,
	author={{
			OMdnn; R
		} and {
			JWillis
		}}
		
	
	
		,
	journal={{J. of AWWA pp}}
		
			
			,
	year={1987}
		
	

}

@book{b11,
	
	
		,
	title={{Contact flocculationfiltration of low Turbidity, inst. Water Eng.Sc}}
		,
	author={{
			BAQuaye
		} and {
			NIsaias
		}}
		
		
			,
	year={1985}
			
		
	

}

@incollection{b12,
	
	
		,
	title={{On the effect of Torsion on a helical pipe flow}}
		,
	author={{
			MGernano
		}}
	
	
		,
	journal={{J. Fluid Mech. V}}
		
			125
			
			,
	year={1982}
		
	

}

@incollection{b13,
	
	
		,
	title={{Correlations for the pressure drop}}
		,
	author={{
			VGnielinski
		}}
	
	
		,
	journal={{Entern chem.. Eng. V}}
		
			28
			1
			
			,
	year={1986}
		
	

}

@incollection{b14,
	
	
		,
	title={{Ground mann, R, Friction Diagram of the helically coiled tube}}
	
	
		,
	journal={{chem.. Eng. proc. V}}
		
			19
			2
			
			,
	year={1985}
		
	

}

@book{b15,
	
	
		,
	title={{Dynamic of mixing and flocculation, 18 th Ann, pub. water supply Engineers conf}}
		,
	author={{
			HudsonJ R
		} and {
			HE
		}}
		
		
			,
	year={1976}
		
	

}

@book{b16,
	
	
		,
	title={{TWORT, a Text book of water supply}}
		,
	author={{
			A
		} and {
			C
		}}
		
		
			,
	year={1965}
			,
	publisher={EDWARD ARNOLD (Publishers) LTD}
			
		
	

}

@book{b17,
	
	
		,
	title={{Manual of britich water Engineering practice constution of water engineers}}
		,
	author={{
			Heffer
		}}
		
			,
	year={1961}
		
	
	,
	note={3 rd -edition}

}

@book{b18,
	
	
		,
	title={{}}
		,
	author={{
			RRLetterman
		}}
		
			,
	year={April 5-7, 1977}
			,
	address={champaign, Illinois}
		
	
	,
	note={fundamental considerations filtration}

}

@book{b19,
	
	
		,
	title={{The significance ot the theory of filtration, Jornal of the instition of water engineers}}
		,
	author={{
			KJIves
		}}
		
			,
	year={1971 fevsier}
		
	

}

@incollection{b20,
	
	
		,
	title={{Optimizing direct filtration in Brasilia}}
		,
	author={{
			JohnRBratby
		}}
	
	
		,
	journal={{J. AWWA p}}
		
			106
			,
	year={1986}
		
	

}

@book{b21,
	
	
		,
	title={{Predicting optimum back wash rates and expansion of multi-media filters, water research}}
		,
	author={{
			BAQuaye
		}}
		
			,
	year={Sep. 1987}
			2
			1077
		
	

}

@incollection{b22,
	
	
		,
	title={{Comparing constant rate and declining rate direct filtration of a surface water}}
		,
	author={{
			David
		}}
	
	
		,
	journal={{J.AWWA}}
		
			26
			,
	year={Dec.1986}
		
	

}

@book{b23,
	
	
		,
	title={{Direct filtration, an Australian study}}
		,
	author={{
			KeithGarig
		}}
		
			,
	year={Dec.1985}
			56
		
	

}

@book{b24,
	
	
		,
	title={{Effect of cationic polyelectrolyte's on the removal of suspended particulates, during direct filtration}}
		,
	author={{
			Theodore
		}}
		
			,
	year={Dec.1986}
			57
		
	

}

@book{b25,
	
	
		,
	title={{Optimizing direct filtration}}
		,
	author={{
			JohnRBratby
		}}
		
			,
	year={1986}
			106
			,
	address={Brasilia, J. AWWA, Jully}
		
	

}

@book{b26,
	
	
		,
	title={{Implementing direct filtration and natural freezing of alum smadge}}
		
			,
	year={Dec.1986}
			52
		
		
			FITCH
		
	

}

@incollection{b27,
	
	
		,
	title={{Study if Dual media filtration of the tigris River used for drinking water mathematical relationships}}
		,
	author={{
			MLLyla
		}}
	
	
		,
	journal={{J. Part A. ENVIRONMENTAL SCIENCE & engineering}}
		
			24
			2
			,
	year={Oct.1988}
		
	

}

@book{b28,
	
	
		,
	title={{Water supply and sewage}}
		,
	author={{
			RWSteel
		} and {
			TerenceJMc
		} and {
			Ghee
		}}
		
		
		
			,
	year={1979}
			,
	publisher={Mc Graw Hill}
		
	

}

@incollection{b29,
	
	
		,
	title={{Optimization of deep bed filteration, first pacific chemical engineering congress, part-1, section.2, separation techniques, 99-107, socity of chemical engineers}}
		,
	author={{
			KIves
		}}
	
	
		,
	journal={{Japan and A. I. ch. E}}
		
			,
	year={Oct.10-14, 1972}
		
	

}

@incollection{b30,
	
	
		,
	title={{Hydraulic behavior of declining rate filteration}}
		,
	author={{
			JorgeArboleda
		}}
	
	
		,
	journal={{J. AWWA}}
		
			67
			,
	year={Dec. 1985}
		
	

}

@book{b31,
	
	
		,
	title={{Fully developed viscous flow in coiled circular pipes}}
		,
	author={{
			LAustin
		} and {
			Jour
		}}
		
		
			,
	year={1973}
			19
			
		
	

}

@book{b32,
	
	
		,
	title={{of state Geographer}}
		,
	author={{
			GoogleEarth
		} and {
			Dept
		}}
		
		,
	editor={Geobasis-DE/BKG}
		
			,
	year={2013. 2009}
			,
	address={US. Navy, NGAGEBCO}
		
	

}

@book{b33,
	
	
		,
	title={{}}
		,
	author={{
			IncTramfloc
		} and {
			POBox
		}}
		
		
			350
			85280
		
	

}

@incollection{b34,
	
	
		,
	title={{}}
	
	
		,
	journal={{Update}}
		
			10
			,
	year={Feb./ 2014}
		
		
			US-Environmental Protection, EPA, Direct Filtration
		
	

}