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85篇 您的检索式:作者名="Beolchini"
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1Roasting and chlorine leaching of gold-bearing refractory concentrate:Experimental and process analysis显示文摘This paper deals with gold extraction from a refractory concentrate by chlorine leaching.The process considers a pre-treatment of refractory materials by low temperature oxidation carried out with low oxygen concentration.The oxidized material is treated by leaching with brine.After gold adsorption/reduction onto activated carbon,iron and base metals can be precipitated by NaOH.Roasting tests show the necessity to carry out a thermal pre-treatment at least at 550°C to obtain a reduction of sulfur and mercury in the material(50%and 90%,respectively).Highest gold extraction yield(around 93%)is obtained in the leaching test performed with material sample treated at 650°C.This result confrms the necessity to optimize the thermal pre-treatment to improve Au recovery and to reduce chlorine consumption.A comparison with conventional cyanidation confrms that chlorination could be an useful alternative:in fact,gold extraction yield is quite low:57%in non-pre-treated material and 25%in pre-treatment material.Ida De Michelis Agostino Olivieri Stefano Ubaldini Francesco Ferella Francesca Beolchini Francesco Vegliò 2013International Journal of Mining Science and Technology2013,23,5:10
2Removal of metals by biosorption: a review显示文摘Veglio F Beolchini F 1997Hydrometallurgy1997,44,3:1
3Removal of metals by biosorption: a review 显示文摘Veglio F Beolchini F 1997Hydrometallurgy1997,44,:1
4Removal of metals by biosorption:a review显示文摘VEGLIO F BEOLCHINI F 0,,:1
5Sorption of copper by olive mill residues显示文摘VEGLIO F BEOLCHINI F PRISCIANDARO M 2003Water Res2003,37,:1
6Equilibrium biosorp-tion studies in single and multi-metal systems显示文摘PAGNANELLI F TRIFONI M BEOLCHINI F 2001Process Biochemis-try2001,37,2:1
7Removal of metals by biosorption:a review显示文摘Veglio F Beolchini F 1997Hydrometallurgy1997,44,3:1
8Acid leaching of manganiferous ores by sucrose:kinetic modelling and related statistical analysis显示文摘Beolchini F Petrangeli P M Toro L 2001Minerals Engineering2001,14,2:1
9Batch and semi-continuous tests in the bioleaching of manganiferous minerals by heterotrophic mixed microorganisms 显示文摘Beolchini V F Gasbarro A 1997Miner Process1997,50,4:1
10Acid leaching of manganiferous ores by sucrose:kinetic modelling and related statistical analysis 显示文摘Beolchini F Papini Petrangeh M Tom L 2001Minerals Engineering2001,14,2:1
11Removal of metals by biosorption:a review显示文摘VEGLIO F BEOLCHINI F 1997Hydrometallurgy1997,44,3:1
12Auto-andheterotrophic acidophilic bacteria enhance the bioremediation effi-ciency of sediments contaminated by heavy metals 显示文摘BEOLCHINI F DELL ANNO A PROPRIS L D 2009Chemo-sphere2009,74,10:1
13Microfiltration of bovine and ovine milk for the reduction of microbial content in a tubular membrane:a preliminary investigation显示文摘Beolchini F Veglio F Barba D 2004Desalination2004,161,3:1
14Removal of metals by biosorption:a review显示文摘Veglio F Beolchini F 1997Hydrometallurgy1997,44,3:1
15Bioleaching of a pyrrhotite ore by a sulfooxidans strain:kinetic analysis显示文摘Veglio F Beolchini F Nardini A 2000Chemical Engineering Science2000,55,:1
16Auto- and het- erotrophic acidophilic bacteria enhance the bioremediafion efficiency of sediments contaminated by heavy metals 显示文摘Beolchini F Della A Propis L D 2009Chemosphere2009,74,10:1
17Removal of metals by biosorption:a review显示文摘VEGLIO F BEOLCHINI F 1997Hydrometallurgy1997,44,3:1
18Bioleaching of a pyrrhotite ore by a sulfooxidans strain:kinetic analysis显示文摘Veglio F Beolchini F Nardini A 2000Chemical Engineering Science2000,55,:1
19Environmental burdens in the management of end-of-life cathode ray tubes 显示文摘ROCCHETTI L BEOLCHINI F 2014Waste Management2014,34,2:1
20Auto- and heterotrophie acidophilie bacteria enhance the bioremediation efficiency of sediments eontaminated by heavy metals 显示文摘BEOLCHINI F Dell'Anno A De Propris L et ol 2009Chemo- sphere2009,74,10:1
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