Nitrate removal from natural water by coupling adsorption and Donnan dialysis | Zendy

Thouraya Turki | Zendy; Mohamed Ben Amor | Zendy

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Nitrate removal from natural water by coupling adsorption and Donnan dialysis

Author(s) -

Thouraya Turki,

Mohamed Ben Amor

Publication year - 2016

Publication title -

water science and technology water supply

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 39

eISSN - 1607-0798

pISSN - 1606-9749

DOI - 10.2166/ws.2016.169

Subject(s) - adsorption , nitrate , chemistry , electrolyte , dialysis , coupling (piping) , inorganic chemistry , process (computing) , mass transfer , chemical engineering , chromatography , materials science , organic chemistry , electrode , metallurgy , computer science , engineering , operating system , medicine

A hybrid adsorption/Donnan dialysis (DD) process for nitrate removal using PUROLITE A520E resin as an adsorbent was investigated in this work. PUROLITE resin was introduced into the DD process due to its good selectivity adsorption for nitrate and widespread availability. This study was conducted in order to benefit from each process, and it was an original and new combination. The retention efficiency of nitrate was discussed by considering the factors of adsorbent mass, nature of the receiver electrolyte and flow rate. The coupling was a solution to improve the resin mass and the amount of nitrate removed. The coupling was successfully performed with a nitrate removal capacity of about 7 mg/g.

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