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Table 2

Decentralized municipal desalination plant details and comparison of the costs of other water supplies with these devices

StationsFlow rateFilter replacement period (month)Treatment methodsType of RO membranesManufacturer of RO membranes
S1 (Helali) 24 m3/day RO process Cellulose acetate Pooya-tasfiye/Iran 
S2 (Shekari) 10 m3/day RO process Cellulose acetate Pooya-tasfiye/Iran 
S3 (Sangi) 10 m3/day 12 RO process Cellulose acetate Pooya-tasfiye/Iran 
S4 (Sartol) 15 m3/day RO process Cellulose acetate Parsian-farab/Iran 
S5 (Rishehr) 10 m3/day RO process Cellulose acetate Parsian-farab/Iran 
S6 (Bahmani) 15 m3/day RO process Cellulose acetate Absun/Iran 
S7 (Mir Alamdar) 15 m3/day RO process Cellulose acetate Omransazan-mahab/Iran 
S8 (Ashori) 4 m3/day RO process Cellulose acetate Omransazan-mahab/Iran 
S9 (Solh Abad) 20 m3/day 12 RO process Cellulose acetate Absun/Iran 
S10 (Bagh Zahra) 10 m3/day RO process Cellulose acetate Parsian-farab/Iran 
Economics of drinking water supplies 
 Cost of drinking water in distribution systema (cent/m3) 13.5 
 Cost of water treatment by decentralized municipal desalination plantsb ($/m3) 3.78 
 Price of water after treatment in decentralized municipal desalination plants ($/m3) 13.51 
 Price of bottled water (cent/lit)c 18 
StationsFlow rateFilter replacement period (month)Treatment methodsType of RO membranesManufacturer of RO membranes
S1 (Helali) 24 m3/day RO process Cellulose acetate Pooya-tasfiye/Iran 
S2 (Shekari) 10 m3/day RO process Cellulose acetate Pooya-tasfiye/Iran 
S3 (Sangi) 10 m3/day 12 RO process Cellulose acetate Pooya-tasfiye/Iran 
S4 (Sartol) 15 m3/day RO process Cellulose acetate Parsian-farab/Iran 
S5 (Rishehr) 10 m3/day RO process Cellulose acetate Parsian-farab/Iran 
S6 (Bahmani) 15 m3/day RO process Cellulose acetate Absun/Iran 
S7 (Mir Alamdar) 15 m3/day RO process Cellulose acetate Omransazan-mahab/Iran 
S8 (Ashori) 4 m3/day RO process Cellulose acetate Omransazan-mahab/Iran 
S9 (Solh Abad) 20 m3/day 12 RO process Cellulose acetate Absun/Iran 
S10 (Bagh Zahra) 10 m3/day RO process Cellulose acetate Parsian-farab/Iran 
Economics of drinking water supplies 
 Cost of drinking water in distribution systema (cent/m3) 13.5 
 Cost of water treatment by decentralized municipal desalination plantsb ($/m3) 3.78 
 Price of water after treatment in decentralized municipal desalination plants ($/m3) 13.51 
 Price of bottled water (cent/lit)c 18 

aThe cost of every m3 of drinking water in distribution systems for public consumption is 13.5 cents. Decentralized municipal desalination plants use drinking water in distribution systems as their feeding water and the cost of this water is 37.84 cent/m3.

bBased on all costs including electricity consumption, buying water, filter replacement, system maintenance, etc.

c180 $/m3.

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