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The use in grass production of clinoptilolite as an ammonia adsorbent and a nitrogen carrier

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2015
3739.pdf (300.6Kb)
Authors
Milovanović, Jelena
Eich-Greatorex, Susanne
Krogstad, Tore
Rakić, Vesna
Rajić, Nevenka
Article (Published version)
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Abstract
Clinoptilolite-rich tuff (NZ) from the Zlatokop deposit (Vranjska Banja, Serbia) was studied as a nitrogen carrier for grass production. The mechanism of binding ammonium cations present in aqueous solutions by NZ was examined, as well as the possibility of adsorption of ammonia released in fresh cattle manure during its fermentation. The NH4+ binding from solutions proceeded via an ion-exchange process that followed pseudo-second-order kinetics. Adsorption isotherms studied at 298-318 K followed the Freundlich isotherm equation. The NZ readily adsorbs ammonia liberated from manure and the addition of 10 wt. % of NZ to manure can preserve up to 90 % of ammonia. The potential benefit of this effect was examined in greenhouse pot experiments with Italian ryegrass (Lolium multiflorum, var. Macho) using three different types of soil (silty, clayey and sandy). The zeta potential measurements showed that the stability of their colloidal dispersions differed mutually and that the addition of ...NZ affected the stability and nitrogen cycling differently. All results indicated that NZ could be applied in grass production.

Keywords:
zeolites / manure / Freundlich isotherm / soil / Italian ryegrass
Source:
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY, 2015, 80, 9, 1203-1214
Publisher:
  • Srpsko hemijsko društvo, Beograd
Funding / projects:
  • Norwegian Programme in Higher Education, Research and Development HERD (Project "The use of natural zeolite (clinoptilolite) for the treatment of farm slurry and as a fertilizer carrier")
  • Oxide-based environmentally-friendly porous materials for genotoxic substances removal (RS-172018)

DOI: 10.2298/JSC150317042M

ISSN: 0352-5139

WoS: 000364205600009

Scopus: 2-s2.0-84947790427
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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/3742
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  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

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