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Bacterial leaching of uranium ore from Figueira-PR, Brazil, at laboratory and pilot scale
(1993-07-30)
A bacterial leaching program was carried out in order to evaluate the potential of applying this process to leach uranium from the ore of Figueira-PR, Brazil. The experiments were carried out in shake flasks, column ...
Leaching of Ni and Cu from mine wastes (tailings and slags) using acid solutions and A. ferrooxidans
(2009-12-28)
The objective of this work is to evaluate the acidic and biological leaching of tailings containing Ni/Cu from a flotation and smelting plant. Acidithiobacillus ferrooxidans, strain LR, was used for bioleaching at pH 1.8 ...
Deposition and leaching of tebuthiuron on sugar cane straw applied with and without alkyl polyglycoside adjuvant
(2005-01-20)
A laboratory experiment was carried out aiming to study the effects of an alkyl polyglycoside adjuvant (APG) on deposition and leaching of the herbicide tebuthiuron applied on sugar cane straw. Tebuthiuron, at concentration ...
Laboratory essays on solid residues from an area of sand mining activities at Analandia, São Paulo, Brazil, and implications to the water resources quality
(Wit Press, 2004-01-01)
This investigation reports the results of tests performed in a laboratory with solid waste samples from an area belonging to Sibelco Mineracao Ltd., which is located around Analandia municipality, nearly in the center of ...
Laboratory essays on solid residues from an area of sand mining activities at Analândia, São Paulo, Brazil, and implications to the water resources quality
(2004-11-11)
This investigation reports the results of tests performed in a laboratory with solid waste samples from an area belonging to Sibelco Mineração Ltd., which is located around Analândia municipality, nearly in the center of ...
CERAMIC MATERIAL FROM SEWAGE SLUDGE AS SUPPORT MATERIAL SUPPLY WATER FILTRATION
(Trans Tech Publications Ltd, 2012-01-01)
This study shows a possibility of using municipal sewage sludge after thermal treatment in the production of a filtering material to water treatment. Due to the fast urbanization and implementation of high standards for ...
Bioextraction of copper from printed circuit boards: influence of initial concentration of ferrous iron
(TMSSan Antonio, Texas, 2013)
Printed circuit boards are found in all electric and electronic equipment and are particulary problematic to recycle because of the heterogeneous mix of organic material, metals, and fiberglass. Additionally, printed ...
Use of Sludge as Ceramic Materials
(Trans Tech Publications Ltd, 2010-01-01)
Nowadays, with increase amounts of sludge derived from the treatment of domestic sewage put pressure into research on systems for the adequate use of these materials. The aim of the present work is to study the use of ...