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| http://dx.doi.org/10.1016/j.bpj.2022.10.004 | DOI Listing |
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Insight into the effect of potassium amyl xanthate on copper pollution caused by chalcopyrite bio-dissolution.
J Environ Manage
December 2024
School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China; Key Lab of Biohydrometallurgy of Ministry of Education, Changsha, Hunan, China.
Chalcopyrite has evolved into a crucial source of copper pollution, and xanthates inevitably coexisted with chalcopyrite in mine environments. However, the effect of xanthate on chalcopyrite bio-dissolution has not been illustrated yet. To fill this knowledge gap, the effect of potassium amyl xanthate (KAX) on copper release from chalcopyrite mediated by Acidithiobacillus ferrooxidans was investigated.
View Article and Find Full Text PDFA comparative field efficacy trial of three treatment programs against endo- and ectoparasites in naturally infected dogs.
Front Vet Sci
September 2024
Melbourne Veterinary School, Faculty of Science, University of Melbourne, Parkville, VIC, Australia.
Introduction: Tropical climates in remote Aboriginal and Torres Strait Islander communities in northern Australia are conducive to the transmission of canine helminths such as hookworms, as well as ectoparasites such as fleas and ticks. In addition to their veterinary importance, these parasites may present a zoonotic risk either directly, or as potential vectors for bacterial pathogens. These factors necessitate efficacious and effective antiparasitic treatment programs for community dogs.
View Article and Find Full Text PDFSeasonal variation in metabolic profiles and microbial communities in a subarctic ore processing plant.
Environ Microbiol Rep
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VTT Technical Research Centre of Finland Ltd., Tampere, Finland.
The mining industry strives to reduce its water footprint by recycling water in ore processing. This leads to build-up of ions, flotation chemicals and microbial biomass, which may affect the process. The Boliden Kevitsa mine in Northern Finland is exposed to seasonal change and recycles up to 90% of the process water.
View Article and Find Full Text PDFExploring the potential of the halotolerant bacterial strain Bacillus subtilis LN8B as an ecofriendly sulfide collector for seawater flotation.
J Appl Microbiol
January 2024
Biochemistry Lab., Biomedical Dept., Health Sciences Faculty and Centre for Biotechnology and Bioengineering (CeBiB), Universidad de Antofagasta, Av. Angamos 601, Antofagasta 1270300, Chile.
Aim: To assess the effectiveness of Bacillus subtilis strain LN8B as a biocollector for recovering pyrite (Py) and chalcopyrite (CPy) in both seawater (Sw) and deionized water (Dw), and to explore the underlying adhesion mechanism in these bioflotation experiments.
Materials And Methods: The bioflotation test utilized B. subtilis strain LN8B as the biocollector through microflotation experiments.
Effect of dissolved ozone flotation thickening process on coliform bacteria and antibiotics simultaneous abatement: A pilot-scale study.
Sci Total Environ
February 2024
State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
This study focused on the removal of the total coliforms, fecal coliforms and four target antibiotics in the dissolved ozone flotation (DOF) thickening sludge process. Additionally, the thickened effluent chromaticity and its effect on thickened sludge hydrolysis process were investigated. Ozonation in the DOF process could inactivate coliforms by oxidizing cellular components and destroying genetic material, as well as altering the chemical structure of antibiotics, leading to the degradation of antibiotics.
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