Ammonia and iron removal from drinking water with clinoptilolite tuff

J. Hlavay, Gyula Vigh, Vendel Olaszi, János Inczédy

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Field experiments were carried out for removal of ammonium and iron ions from drinking water containing high amounts of humic acids and dissolved gases. Three ion exchange columns filled with sodium form clinoptilolite (particle size: 0.5-1.0 mm), were connected in series. The ammonia content of the influent drinking water was ∼10 mg dm-3 and the 0.5 mg NH3-N/dm3 breakthrough concentration was kept. The iron content ranged between 0.70-0.90 mg dm-3 and 0.05 mg Fe/dm3 was chosen as a limit for good quality drinking water. In a 90 h continuous experiment about 3.24 m3 drinking water was purified by three 4 dm3 bed volume, 9.5 cm ID × 92 cm ion exchange columns. The ammonia ion exchange capacity was about 3 mg NH3-N/g zeolite. The natural zeolite contained only 46% clinoptilolite. For regeneration, 50 dm3 (12.5 BV) regenerant was used. After backwashing with 10 BV ammonia-free water, the freshly regenerated column was placed to the end of the series in service. Design and construction of a pilot-plant unit, including a 50 m3/day capacity ion-exchange system, is suggested.

Original languageEnglish
Pages (from-to)188-190
Number of pages3
JournalZeolites
Volume3
Issue number3
DOIs
Publication statusPublished - 1983

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clinoptilolite
tuff
ion exchange
ammonia
drinking water
iron
zeolite
dissolved gas
humic acid
ammonium
regeneration
particle size
sodium
removal
ion
experiment
water

ASJC Scopus subject areas

  • Environmental Science(all)

Cite this

Ammonia and iron removal from drinking water with clinoptilolite tuff. / Hlavay, J.; Vigh, Gyula; Olaszi, Vendel; Inczédy, János.

In: Zeolites, Vol. 3, No. 3, 1983, p. 188-190.

Research output: Contribution to journalArticle

Hlavay, J. ; Vigh, Gyula ; Olaszi, Vendel ; Inczédy, János. / Ammonia and iron removal from drinking water with clinoptilolite tuff. In: Zeolites. 1983 ; Vol. 3, No. 3. pp. 188-190.
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