sulphate reducing bacteria (SRB)
Corrosion Behaviour of 2205 Duplex Stainless Steel in Oilfield Production Fluid Containing Sulphate-reducing Bacteria
... in sulphate reducing-bacteria (SRB)-free and SRB-containing oil-field production fluid are performed via electrochemical techniques, microscopic imaging, and X-ray photoelectron spectroscopy ...
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Electrochemical Analysis of the Microbiologically Influenced Corrosion of AISI 304 Stainless Steel by Sulphate Reducing Bacteria Associated with Bacillus Cereus
... (sulphate-reducing bacteria) Desulfovibrio desulfuricans (strain DSM 642) isolated from its natural marine environment, with Bacillus Cereus ...both bacteria, where Bacillus cereus mycoides ...
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Inhibition of Mild Steel Corrosion Caused by Sulphate Reducing Bacteria by Using 2-Methylimidazole Jitendra D. Girase , R. S. Dubey
... Microbiologically influenced corrosion (MIC) has been estimated to account for 20% of annual corrosion damage of metallic materials, of which sulphate-reducing bacteria (SRB) are commonly considered ...
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Stainless Steel Electrochemical Corrosion Behaviors Induced by Sulphate-Reducing Bacteria in Different Aerated Conditions
... of Sulphate-reducing bacteria (SRB) in a growth cycle under aerobic (oxygen saturated and air saturated culture solutions) and anaerobic (nitrogen saturated culture solutions) ...
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Open circuit potential study of stainless steel in environment containing marine sulphate-reducing bacteria
... corrosion potential changes, pH and oxygen level (Costerton et al. 1995; Dexter 1995). The ennoblement of the potential in the system which presence of SRB s are indicative of the onset of localized corrosion, i.e. ...
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Biological Sulphate Reduction with Hydrogen in a Jet Loop Biofilm Reactor
... Biological sulphate reduction (BSR) has a number of advantages over other ...processes. Sulphate reducing bacteria (SRB) utilize sulphate as an electron acceptor in the oxidation of an ...
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Isolation and Molecular Characterization of Acid Producing Bacteria from Selected Oilfield Environments within the Niger Delta
... as sulphate reducing bacteria (SRB), iron oxidizing bacteria (IOB), manganese oxidizing bacteria (MOB) nitrate reducing bacteria (NRB) and acid producing bacteria ...
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SCREENING OF SULPHUR OXIDIZING BACTERIA FROM SULPHUR SPRINGS OF SAHASTRADHARA REGION OF DEHRADUN, UTTARAKHAND, INDIA
... result of sulphate-reducing bacteria (SRB) metabolism. Sulphides ion or hydrogen sulphide gases are highly undesirable in the environment because of acute neuro-toxicity towards human and animals and ...
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Reaction of estuarine ecosystems to effluent from pulp and paper industry
... The sulphate-reducing bacteria are active in the sediments of the upper L'Etang and their metabolic by-product, sulphide diffuses from the sediment into the overlyi[r] ...
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Mechanisms for accumulation and migration of technetium 99 in saltmarsh sediments
... Data collected from reducing sediments imply that similar mechanisms are responsible for the accumulation of Mn e.g.. reduction by sulphate reducing bacteria and the accumulation of wher[r] ...
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Use of Bacillus Species Bacteria in Protecting the Concrete Structures from Sulphate Attack- A Review
... D. Muynck reported that decrease in capillary suction and decrease in gas permeability was a result of deposition of calcite layer on surface of the cement [45]. Biodeposition results in plugging of pores and formation ...
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A celebration of 150 years of the Park Grass Experiment
... ammonium sulphate this was not enough to stop the soil becoming progressively more acid; making it difficult to disentangle the effects of N from those of ...
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Clinical efficiency of 2% chlorhexidine gel in reducing intracanal bacteria
... of bacteria occurred with progressive ...rendered bacteria free after preparing apical size to #60 and #80 using LightSpeed ...of bacteria, apical enlargement also allows better access for the ...
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Synthesis of Chlorinated Bicyclic Adduct as Biocids for Sulfate Reducing Bacteria
... aerobic bacteria, and the behavior of these compounds as potent uncouplers of oxidative phosphorylation ...fate-reducing bacteria are sensitive bromo phenols, though not to the extent noted for ...
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Synthesis, Characterization and Performance of a New Type of Alkylene Triphenyl Double Quaternary Phosphonium Salt
... By Bimolecular Nucleophilic Substitution, four new types of alkylene triphenyl double quaternary phosphonium salt were synthesized respectively by using triphenylphosphine, 1,3-dibromopropane, 1,6-dibromohexane, ...
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Diversity and community pattern of sulfate-reducing bacteria in piglet gut
... tinal bacteria can be studied ...acid-fermenting bacteria [46]. Cross-feeding between different bacteria is important to maintain intestinal ...other bacteria is needed to better understand ...
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Humic Acid Oxidizing, Nitrate Reducing Bacteria in Agricultural Soils
... and reduced humic acid concentrations were analyzed by ferric citrate back-titration or spectrophotometrically as previously described (21, 39, 40). Total anthraquinone concentrations were determined by aerating filtered ...
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Se Bearing Colloidal Particles Produced by Sulfate Reducing Bacteria and Sulfide Oxidizing Bacteria: TEM Study
... The sterile culture medium was transparent, but yellow precipitates were observed in tubes containing 100 mM selenite or 100 mM selenate two days after incubation with D. desulfuricans. On the other hand, tubes contain- ...
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Isolation and identification of concrete environment bacteria
... and sulphate API agar which were prepared for Ureolytic and Sulphate reduction bacteria ...and sulphate API agar which were appropriately ...
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Reducing mechanical activation induced amorphisation of salbutamol sulphate by co processing with selected carboxylic acids
... In this work we evaluate and compare, for the first time, the influence of two mechanical operations on a model API co-processed with low Tg excipients. The objective of the study was to compare the effect of two ...
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