Results 21 to 30 of about 41,314 (293)

Control of Microbial Sulfide Production with Biocides and Nitrate in Oil Reservoir Simulating Bioreactors.

open access: yesFrontiers in Microbiology, 2015
Oil reservoir souring by the microbial reduction of sulfate to sulfide is unwanted, because it enhances corrosion of metal infrastructure used for oil production and processing. Reservoir souring can be prevented or remediated by the injection of nitrate
Yuan eXue, Gerrit eVoordouw
doaj   +1 more source

Mathematical Modelling of the Mechanical Properties of Four Varieties of Brine Pickles Using Neural Networks

open access: yesActa Universitatis Cibiniensis. Series E: Food Technology, 2020
The study assesses the impact of selected fruit properties and the souring process parameters on the mechanical properties of four varieties of field cucumbers (Śremianin, Śremski, Polan and Izyd) harvested from 2014 to 2016.
Pentoś Katarzyna   +3 more
doaj   +1 more source

Attenuating Sulfidogenesis in a Soured Continuous Flow Column System With Perchlorate Treatment

open access: yesFrontiers in Microbiology, 2018
Hydrogen sulfide production by sulfate reducing bacteria (SRB) is the primary cause of oil reservoir souring. Amending environments with chlorate or perchlorate [collectively denoted (per)chlorate] represents an emerging technology to prevent the onset ...
Anna L. Engelbrektson   +15 more
doaj   +1 more source

Comparison of Nitrate and Perchlorate in Controlling Sulfidogenesis in Heavy Oil-Containing Bioreactors

open access: yesFrontiers in Microbiology, 2018
Control of microbial reduction of sulfate to sulfide in oil reservoirs (a process referred to as souring) with nitrate has been researched extensively.
Gloria Ngozi Okpala, Gerrit Voordouw
doaj   +1 more source

Denitrification Biokinetics: Towards Optimization for Industrial Applications

open access: yesFrontiers in Microbiology, 2021
Denitrification is a microbial process that converts nitrate (NO3–) to N2 and can play an important role in industrial applications such as souring control and microbially enhanced oil recovery (MEOR).
Navreet Suri   +3 more
doaj   +1 more source

Mitigating Sulfidogenesis With Simultaneous Perchlorate and Nitrate Treatments

open access: yesFrontiers in Microbiology, 2018
Sulfide biogenesis (souring) in oil reservoirs is an extensive and costly problem. Nitrate is currently used as a souring inhibitor but often requires high concentrations and yields inconsistent results.
Anna Engelbrektson   +7 more
doaj   +1 more source

Dissimilatory Sulfate Reduction Under High Pressure by Desulfovibrio alaskensis G20

open access: yesFrontiers in Microbiology, 2018
Biosouring results from production of H2S by sulfate-reducing microorganisms (SRMs) in oil reservoirs. H2S is toxic, corrosive, and explosive, and as such, represents a significant threat to personnel, production facilities, and transportation pipelines.
Adam J. Williamson   +7 more
doaj   +1 more source

Physicochemical Properties, Nutritional and Sensory Quality of “Batuan” [ Garcinia binucao (Blco.) Choisy] Fruits

open access: yesAnnals of Tropical Research, 2013
The physicochemical properties and nutritional profile of the different parts and stages of maturity of “batuan” [Garcinia binucao (Blco.) Choisy] fruits in the Visayas State University (VSU) were determined using standard analytical methods to validate ...
Elizabeth S. Quevedo   +2 more
doaj   +1 more source

Synergy of Sodium Nitroprusside and Nitrate in Inhibiting the Activity of Sulfate Reducing Bacteria in Oil-Containing Bioreactors

open access: yesFrontiers in Microbiology, 2018
Sodium nitroprusside (SNP) disrupts microbial biofilms through the release of nitric oxide (NO). The actions of SNP on bacteria have been mostly limited to the genera Pseudomonas, Clostridium, and Bacillus.
Tekle T. Fida   +6 more
doaj   +1 more source

Trajectory Clustering for People's Movement Pattern Based on Crowd Souring Data [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
With the increasing availability of GPS-enabled devices, a huge amount of GPS trajectories recording people's location traces have been accumulated and shared freely on the Web.
J. Chen, T. Hu, P. Zhang, W. Shi
doaj   +1 more source

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