RADU LACATUSU* ANATOLI KISELEV, NINETA RIZEA, MIHAELA LUNGU, RODICA LAZAR, MIHAELA MONICA STANCIU-BURILEANU, NICOLETA VRINCEANU, VENERA MIHAELA STROE, ROXANA GABRIELA POPA, LAURENTIU FILIPESCU<br>Plant growth suitable nutritive Red Mud composite Materials <br>from the romanian dry landfilled red mud<br>I. Red mud Chemical and  Agrochemical Characterization

RADU LACATUSU* ANATOLI KISELEV, NINETA RIZEA, MIHAELA LUNGU, RODICA LAZAR, MIHAELA MONICA STANCIU-BURILEANU, NICOLETA VRINCEANU, VENERA MIHAELA STROE, ROXANA GABRIELA POPA, LAURENTIU FILIPESCU
Plant growth suitable nutritive Red Mud composite Materials
from the romanian dry landfilled red mud
I. Red mud Chemical and Agrochemical Characterization

Abstract:

In the last years, significant progresses were made in finding useful red mud applications as raw material for several products, even if the production costs are still unattractive. Some of the reported successful applications are concerning researches on: a) revegetation of the disposal area and b) polluted soils remediation. The purpose of this study concerns the properties investigation of Romanian red mud accumulated in the Tulcea alumina refinery disposal site and its conversion into a fertile composite material. According to experimental data, this by-product elemental composition is fully, but remediable disequilibrated. Macro and mezzo nutrients content is bellow minimal suitability for plant growth. But, its loamy clayey-sandy texture sustains additional materials for properties change and improvement. Some corrections by mixing with selected waste or natural materials have to be stringently followed to overpass the low organic and nitrogen low concentrations. Keywords: red mud, nutrients content, ionic mobility, salinity, agrochemical properties

Issue: 2014, Volume 65, Issue 9

Pages:

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This article is published under the Creative Commons Attribution 4.0 International License

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