We value your feedback! Please complete the form below so that we can tailor our services to your specific needs.
After traditional oil recovery processes, large amount of residual oil are still trapped in the pore spaces of the complex capillary network of the reservoir. MEOR (microbial enhanced oil recovery), a promising tertiary oil recovery method involves the utilization of indigenous microbial species capable of producing various secondary metabolites which further enhances …
WhatsApp: +86 18221755073
Microbial enhanced oil recovery (MEOR) is an eco-friendly, cost-effective, and moderately advanced technique to produce additional crude oil from reservoirs by alternative use of microorganisms and microbial products. ... Microbial surfactant-enhanced mineral oil recovery under laboratory conditions. Colloids and Surfaces B: Biointerfaces, 63 ...
WhatsApp: +86 18221755073
heap leaching refractory gold ore plant has been operated by Newmont Mining Corporation, at Gold Quarry Mine, Elko, Nevada [20]. Biooxidation is carried out on crushed ore stacked on pads with an air-ventilation system at the base to supply oxygen to the microbial population inoculated on the ock.r Another innovative process for biooxidation of ...
WhatsApp: +86 18221755073
Thus microbial enhanced oil recovery becomes handy as a tertiary oil recovery technique as it utilizes the help of microorganisms and their products to recover oil either by 1) Injection of ...
WhatsApp: +86 18221755073
The microbial cell enables metal sulfide dissolution via oxidation of iron(II) ions and inorganic sulfur compounds. Thereby, the metal sulfide attacking agents iron(III) ions and protons are generated. Cells are active either in a planktonic state or …
WhatsApp: +86 18221755073
Walter Krebs, Christoph Brombacher, Philipp P. Bosshard, Reinhard Bachofen, Helmut Brandl, Microbial recovery of metals from ... Subjecting refractory gold ore to microbial treatment prior to conventional ... Biooxidation process for recovery of metal values from sulfur-containing ore minerals. Eur. Pat. Appl. 0 522 978 A1. [41] Hunter, R.M ...
WhatsApp: +86 18221755073
Iron-reducing microbes are found in the genera Shewanella, Geobacter, Geovibroi, Disulfobulbus propionicus, etc [2].Among these metal-reducing bacterias, Shewanella is perhaps the most widely ...
WhatsApp: +86 18221755073
Enhanced Recovery of Silver from Artvin-KafkasOr Ore by Microbial Treatment ~ M. Salameh a, G. 0zcengiz a, l~l.Atalay b, G. 0zbayoglu b and N. G.Alaeddinoglu a aDepartment of Biological Sciences bDepartment of Mining Engineering, Middle East Technical University, 06531Ankara / Turkey In the Artvin-Kafkas0r ore deposit gold and silver are the main precious …
WhatsApp: +86 18221755073
Microbial enhanced oil recovery (MEOR) is one of the technologies that has received significant attention over the past several decades. Its advantages versus other enhanced oil recovery processes include reduced energy requirements versus thermal methods–such as steam flooding–and reduced chemical costs compared with chemical methods ...
WhatsApp: +86 18221755073
A new method of mineral cleavage by microbial pretreatment was ... A good index of 2.89% Li 2 O grade with 71.68% recovery and 0.59% Rb 2 O grade with 80.42% recovery was obtained for the concentrate. Compared to conventional flotation processes, the more efficient release of potassium and desilication through "LM-1" not only avoids the ...
WhatsApp: +86 18221755073
In an attempt to increase copper recovery, the ore was subjected to heating at 600°C under normal atmospheric conditions. This heat treatment resulted in enhanced copper recovery, up to 98% within 60 days of progressive leaching.
WhatsApp: +86 18221755073
Bioleaching is a simple and effective technology for metal extraction from low-grade ores and mineral concentrates. Metal recovery from sulfide minerals is based on the activity of ...
WhatsApp: +86 18221755073
DOI: 10.1016/j.colsurfb.2007.11.006 Corpus ID: 10686697; Microbial surfactant-enhanced mineral oil recovery under laboratory conditions. @article{Bordoloi2008MicrobialSM, title={Microbial surfactant-enhanced mineral oil recovery under laboratory conditions.}, author={Naba K. Bordoloi and Bolin Kumar Konwar}, journal={Colloids and surfaces.
WhatsApp: +86 18221755073
Bioleaching is a simple and effective technology for metal extraction from low-grade ores and mineral concentrates. Metal recovery from sulfide minerals is based on the activity of …
WhatsApp: +86 18221755073
Two groups of microbial assisted recovery processes are discussed: metal mobilization from metal bearing waste, and selective metal separation from leaching solutions by immobilization on microbial biomass. ... 2018; Zhuang et al., 2015). This push to expand research targets both the primary resources represented by ore deposits, but especially ...
WhatsApp: +86 18221755073
Keywords: MEOR (microbial enhanced oil recovery), ore, crude oil, microbial growth and EOR (enhanced oil recovery). I. INTRODUCTION Crude oil is major source of energy in our present world. ... As glucose, mineral salts medium is generally utilized by bacillus strain bacteria in MEOR technologies, specifically primary aim is to reduce the ...
WhatsApp: +86 18221755073
The Bacterial Oxidation (BIOX) process for the pre-treatment of refractory ores for gold recovery developed by Genmin, the mining division of Gencor, has been operating successfully at the ...
WhatsApp: +86 18221755073
Microbiology is revolutionizing the field of ore processing by harnessing the capabilities of microorganisms to enhance mineral extraction and reduce environmental impact.
WhatsApp: +86 18221755073
Structural Modification of Chalcopyrite Ore for Enhanced Copper Recovery Sradhanjali Singh1,4, Bansi Dar Nayak1, Rama Chandra Mohanty3, Swaranjit S. Cameotra2, Lala Beheri Sukla1 and Dong-Jin Kim4,+ 1Institute of Minerals and Materials Technology, Bhubaneswar-13, Orissa, India 2Institute of Microbial Technology, Chandigarh 160036, India 3Utkal University, VaniVihar, …
WhatsApp: +86 18221755073
Insights into biostimulation-enhanced microbial detoxification of chromium ore processing residue-contaminated soil: the critical role of Cr(VI) key host-phase transformation and soil microbiota ...
WhatsApp: +86 18221755073
Majority of microorganisms can interact with metals. The metals can be recovered by the microorganisms by two processes. 1. Bioleaching or microbial leaching: This broadly involves …
WhatsApp: +86 18221755073
Microbial enhanced oil recovery (MEOR) is potentially useful to recover incremental oil from a reservoir being beyond primary and secondary recovery operations. Effort has been made to isolate and characterize natural biosurfactant produced by ... (2008) 73–82 Microbial surfactant-enhanced mineral oil recovery under laboratory conditions N.K ...
WhatsApp: +86 18221755073
Microbial enhanced oil recovery (MEOR) is potentially useful to recover incremental oil from a reservoir being beyond primary and secondary recovery operations. Effort has been made to isolate and characterize natural biosurfactant produced by bacterial isolates collected from various oil fields of ONGC in Assam. Production of biosurfactant has been considered to …
WhatsApp: +86 18221755073
Microbial enhanced oil recovery (MEOR) is a type of enhanced oil recovery (EOR) technology, generally employed as a tertiary stage where oil recovery using primary and secondary traditional methods is not feasible anymore. ... 1997), coal, textile and mineral processing, EOR (Banat et al., 2010, Banat et al., 2000), environmental bioremediation ...
WhatsApp: +86 18221755073
REE recovery from solid resources has been investigated with a wide range of microorganisms, both autotrophic and heterotrophic, and using both pure and mixed microbial cultures [13,14,15]. This review provides an insight into the global situation of REEs and the potential application of microorganisms in the extraction of REEs from industrial ...
WhatsApp: +86 18221755073
mineral recovery. This review delves into recent bio-beneciation advancements for enhanced low-grade iron ore recovery ... Bio-beneciation, using microbial processes, provides a viable avenue for ...
WhatsApp: +86 18221755073
Microbial enhanced oil recovery; MEOR mechanisms; Biosurfactants; Biopolymers, Field trials. 1. Introduction. Traditional oil recovery technology consists of two stages: primary and secondary oil recovery (Hadia et al., 2019).Primary oil recovery is the use of formation pressure to extract oil and gas from the reservoirs, with a 5–10% recovery rate of the original oil in place.
WhatsApp: +86 18221755073
Experimental results demonstrated that ore pre-treated with a mixed thiobacteria culture (Tmix) achieved a 1.40-fold increase in metal recovery compared to direct acid …
WhatsApp: +86 18221755073
Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, the global annual …
WhatsApp: +86 18221755073
Microbial enhanced oil recovery (MEOR) is an important tertiary oil recovery approach which uses microorganisms and their metabolites including biosurfactants, biopolymers, biogenic acids, enzymes, solvents, and biogases to mobilize residual oil (Banat, 1995; Lazar et al., 2007; Sen, 2008).Unlike other petroleum-based chemical used in EOR, MEOR products …
WhatsApp: +86 18221755073
