factors affecting bioleaching in the

Factors affecting bioleaching of metal contaminated sediment with ...

Factors affecting bioleaching of metal contaminated sediment with sulfur-oxidizing bacteria. S.Y. Chen and J.G. Lin. Institute of Environmental Engineering,...

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Factors affecting bioleaching of metal contaminated ... - ResearchGate

Request (PDF) | Factors affecting bi... from S. Y. Chen and J. G. Lin.

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Factors affecting bioleaching kinetics of sulfide ores using ...

Factors affecting bioleaching kinetics of sulfide ores using acidophilic micro-organisms. Authors; Authors and affiliations. Trupti Das; Subbanna Ayyappan; G.R....

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bio leaching - SlideShare

Jan 15, 2015 ... Bio leaching Group members Mehwish nazeer, Kanza saleem, Nazish .... Main factors affecting bioleaching FACTOR Physicochemical...

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Factors influencing bioleaching copper from waste printed circuit ...

The aim of this paper is to understand the factors that influence copper leaching from electronic scrap. It is revealed that the bioleaching is greatly influenced by...

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influence of physical and chemical factors on ... - Semantic Scholar

Process of metals bioleaching from electronic waste is a complex process, determined by many factors. Main parameters which affect the bioleaching kinetics [4...

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factors affecting bioleaching in the processing of non-metallics

Abstract: Biotechnological treatment of non-metallics is based on bacterial leaching of raw material and dissolution of Fe. Bacterial iron dissolution ability is...

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Consideration Concerning Factors Influencing Bioleaching Processes

Jun 1, 2011 ... metals. In this paper are presents factors that influencing bioleaching ... treatment of these soils, variant structured on bioleaching method using...

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What is bioleaching? - Talvivaara

The role of bacteria in bioleaching was shown in 1947. • In the beginning ... 11. Main factors affecting bioleaching. Factor. Effect. Physicochemical. Temperature...

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Copper Bioleaching in Chile - MDPI

Mar 16, 2016 ... Keywords: bioleaching; copper production; large scale; sulfide minerals. 1. Introduction .... Operating Factors Affecting the Bioleaching Process.

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Role of Acidothermophilic Autotrophs in Bioleaching of ... - NOPR

Jan 13, 2003 ... Factors Affecting Bioleaching. Following mineral sulphide dissociation, the chemical oxidation of the reduced valence state ionic species is...

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Tolerance of Chemoorganotrophic Bioleaching Microorganisms to ...

Jun 9, 2015 ... Bioleaching is influenced by a wide range of parameters including physicochemical and microbiological factors. These affect both the growth of...

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International Journal of Research and Review

Sep 17, 2015 ... Key words: mining, bioleaching, recovery, metals, temperature, concentration. INTRODUCTION .... two important factors affecting leaching.

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Statically Evaluation of Factors Affecting the Leaching Performance ...

Statically Evaluation of Factors Affecting the Leaching Performance of ... In this study, affects .... Wang R. Lu X. Lu J. Li C. Li J. Bioleaching of chalcopyrite by.

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bioleaching of uranium by aspergillus niger and aspergillus terreus ...

Aspergillus terreus, solubilization of uranium, uranium bioleaching efficiency. .... Investigation of factors affecting the uranium bioleaching. Several factors were...

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Extraction of metals from electronic waste by bacterial leaching

mechanisms of this process and the factors influencing the chemical reaction. ... Apart from the possibility of bioleaching of metals in alkaline environment (...

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Application of Biohydrometallurgy to Copper Mining in Zambia ...

Sep 5, 2016 ... Keywords: Biohydrometallurgy, Bioleaching, Copper Mining, Mining in Zambia. 1. ..... Factors Affecting Biohydrometallurgy. Although...

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Reduction of arsenic content in a complex galena concentrate by ...

Oct 13, 2004 ... Bioleaching kinetic data of arsenic solubilization were used to estimate ... Further studies are needed to determine other factors that influence...

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The use of reactors in biomining processes | Acevedo | Electronic ...

Keywords: bacterial leaching, bioleaching, biooxidation, bioreactors, stirred tanks, ..... Factors affecting bio-oxidation of sulfide minerals at high concentration of...

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Experimental Study on Factors Affecting the Recovery of Nickel from ...

Jan 30, 2017 ... Experimental Study on Factors Affecting the Recovery of Nickel from. Spent Catalyst. Khalid MM ... bioleaching. The pyrometallurgy process...

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Enhancing iron oxidation efficiency by a native strain of ...

The effects of different factors on growth and bio-oxidation efficiency of a native strain of ..... The factors affecting the bioleaching process have been extensively...

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an overview of sustainable copper recovery method via bioleaching

Nov 10, 2016 ... Index Terms- Bioleaching, Copper Extraction, Sustainable Mining, Mining in Zambia. ..... FACTORS AFFECTING BIOLEACHING. The rate and...

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Thiobacillus ferrooxidans - Applied and Environmental Microbiology

bioleaching occurred with two of the pyrites derived from coal sources. T. ferrooxidans was ... pyrite and factors affecting the rate of pyrite oxidation in aqueous...

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Trupti Das - Google Scholar Citations

Factors affecting bioleaching kinetics of sulfide ores using acidophilic micro- ... Bioleaching of low-grade uranium ore using Acidithiobacillus ferrooxidans.

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Bioleaching of copper via iron oxidation from chalcopyrite at ...

determining factor in copper leaching were found to be closely related to pH and ..... or by factors affecting iron solubility during the bioleaching of chalcopyrite.

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Pauliina Nurmi - Tampereen teknillinen yliopisto

Nov 20, 2009 ... Oxidation and Control of Iron in Bioleaching Solutions. Thesis for the degree of Doctor of Technology to ..... 1.6 Factors affecting bioleaching .

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Bioleaching of metal ions from low grade sulphide ore - Academic ...

May 10, 2010 ... the bioleaching process by constructing orthogonal array design to ... factors that can affect the metal ions dissolution were identified as.

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Gautam Roy Chaudhury - Google Scholar Citations

Bioleaching of spent hydro-processing catalyst using acidophilic bacteria and its ... Factors affecting bioleaching kinetics of sulfide ores using acidophilic micro-...

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Bio-hydrometallurgy : an alternative to pyrometallurgy ... - Hal-BRGM

May 9, 2014 ... Bioleaching, copper, low grade ore, electrowinning ... demonstrated that a dilution of the 0Km medium by a factor 3 did not affect bioleaching.

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bioleaching of metals from spent catalysts for metal removal ...

18. 2.3.3 Complexolysis. 18. 2.3.4 Bioaccumulation. 19. 2.4 Advantages of Bioleaching. 20. 2.5 Factors Influencing Bioleaching. 21. 2.5.1 Nutrient Culture Media.

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Impact of solvent extraction organics on adsorption and bioleaching ...

The adsorption and bioleaching of A. ferrooxidans and L. ferriphilum with ... Many studies have shown that various factors greatly affect bacterial growth and the...

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Bioleaching of chalcopyrite - Core

bioleaching of the chalcopyrite concentrate in a stirred tank bioreactor for the purpose ... CHAPTER 3 FACTORS AFFECTING BACTERIAL LEACHING ON.

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Properties of realgar bioleaching using an extremely acidophilic ...

May 22, 2017 ... Various factors affect the rate of bioleaching. Optimum conditions should be chosen to bioprocess realgar. In short, A. ferrooxidans was cultured...

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Effect of substrate concentration on bioleaching of metal ...

關鍵字: bioleaching;contaminated sediment;heavy metal;sulfur concentration;thiobacilli ... Factors affecting bioleaching of metal contaminated sediment with...

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Biohydrometallurgy and the Environment Toward the Mining of the ...

Semi-continuous bioleaching of heavy metals and trace elements from coal (Aller, A., Cara, J., Martínez, O., Morán, A.). Mineralogical factors affecting...

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Identification of Inhibitory Substances Affecting Bioleaching of Heavy ...

Apr 10, 2004 ... Identification of Inhibitory Substances Affecting Bioleaching of Heavy ..... and propionic acids would likely be the major factors responsible for...

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Chemical and biological processes for multi-metal extraction from ...

Bioleaching experiments were carried out with the iron oxidising consortium, .... Yang T, Xu Z, Wen J, Yang L (2009) Factors influencing bioleaching copper from...

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Responses of zinc recovery to temperature and mineral composition ...

Oct 23, 2017 ... Temperature of the surface layer is variable affected by seasonal and regional ... However, in these researches, single factor (temperature) was focused, ... Bioleaching treatments, including four mineral composition treatments...

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Progress in bioleaching: applications of microbial processes by the ...

during this period of time, stirred tank bioleaching has been commercialized for ..... factor in the temperature rise, which increases with the square of heap height...

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Thermophilic mineral bioleaching performance: A ... - SAIMM

Thermophilic bioleaching, conducted at temperatures in excess of. 65°C, provides ..... oxygen limitation is not a factor affecting bioleaching over the range...

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