期刊论文详细信息
Anais da Academia Brasileira de Ciências
Nutrient release by a Brazilian sedimentary zeolite
Marisa B.m. Monte2  Antonieta Middea2  Paulo R.p. Paiva2  Alberto C.c. Bernardi1  Nélio G.a.m. Rezende1  Milton Baptista-filho1  Marcelo G. Silva1  Helion Vargas1  Helio S. Amorim1  Fernando De Souza-barros1 
[1] ,Centro de Tecnologia MineralRio de Janeiro RJ ,Brasil
关键词: sedimentary zeolite;    Parnaíba Basin;    plant nutrients;    nutrient attachment and release;    zeólita sedimentar;    Bacia do Parnaíba;    fertilizantes;    minerais - captura e liberação de nutrientes;   
DOI  :  10.1590/S0001-37652009000400003
来源: SciELO
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【 摘 要 】

This report describes the characterization of a sedimentary occurrence from the Parnaíba Basin, Brazil, containing the zeolite stilbite intertwined with smectitic clay mineral. The head samples from different sites present a wide content range of the zeolitic phase - 15% to 50%. The use of simple separation techniques - conventional gravitic treatments - yields concentrates containing about 67% of the zeolitic component. Assays with the amendments of these concentrates with plant nutrients yield release rates matching those reported for similar commercial products.

【 授权许可】

CC BY   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License

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