scholarly journals The Removal of Water from Volatile Organic Products of Oxygen-18 Tracer Experiments

1961 ◽  
Vol 14 (1) ◽  
pp. 166 ◽  
Author(s):  
I Lauder ◽  
IR Wilson
Keyword(s):  
Volatile Organic ◽  
Organic Products ◽  
Tracer Experiments

scholarly journals Extraction of Organic Volatile Pollutants in Over-Saturated Water by Pervaporation Technique Using a Poly (Dimethylsiloxane)-Based Sealer as a Membrane

Water ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 1049
Author(s):  
Wafa Nazzal Alharbi ◽  
Waseem Sharaf Saeed ◽  
Abdulrahman A. Alwarthan ◽  
Ahmed Yacine Badjah-Hadj-Ahmed ◽  
Taieb Aouak
Keyword(s):  
Organic Liquid ◽  
Separation Process ◽  
Alkyl Halides ◽  
Polluted Water ◽  
Membrane Thickness ◽  
Optimal Conditions ◽  
Organic Mixture ◽  
Saturated Water ◽  
Volatile Organic ◽  
Organic Products

SILICONE1200 is an inexpensive domestic poly (dimethylsiloxane)-based sealer that was used in this study to remove volatile organic compounds from over-saturated water using the pervaporation technique. A series of volatile organic liquid compounds representing an important part of polluting organic products released every day in water were chosen for this study. These products were alkyl halides (chloroform), aromatics (toluene), aliphatic hydrocarbons (heptanes), ketones and aldehydes (butanone), and organosulfides (thiophene). The mass transfer of these compounds and their mixtures through the SILICONE1200 membrane was assessed to predict the results of the separation process. The results indicate that the mechanism of diffusion obeyed a Fickian model. Different parameters affecting the pervaporation results, such as the membrane thickness, stirring rate, and temperature, were examined to determine the optimal conditions in terms of the total flux and selectivity. The optimized parameters were then applied to the separation of an organic mixture from polluted water using the dynamic pervaporation process with promising results.

Formation of volatile organic products in soils under anaerobiosis—I

1975 ◽  
Vol 7 (1) ◽  
pp. 45-50 ◽  
Author(s):  
J.A. Adamson ◽  
A.J. Francis ◽  
J.M. Duxbury ◽  
M. Alexander
Keyword(s):  
Volatile Organic ◽  
Organic Products

Formation of volatile organic products in soils under anaerobiosis—II

1975 ◽  
Vol 7 (1) ◽  
pp. 51-56 ◽  
Author(s):  
A.J. Francis ◽  
J.M. Duxbury ◽  
M. Alexander
Keyword(s):  
Volatile Organic ◽  
Organic Products

Phenotypic detection of quorum sensing inhibition in Pseudomonas aeruginosa pyoverdine and swarming by volatile organic products

2020 ◽  
Vol 15 (12) ◽  
pp. 1147-1156
Author(s):  
Román Y Ramírez-Rueda ◽  
Marcos J Salvador
Keyword(s):  
Pseudomonas Aeruginosa ◽  
Quorum Sensing ◽  
Virulence Factors ◽  
Uv Light ◽  
Swarming Motility ◽  
Quorum Sensing Inhibition ◽  
Colony Diameter ◽  
Volatile Organic ◽  
Organic Products ◽  
Positive Results

Aim: To determine phenotypically the anti quorum-sensing (QS) activity of 30 volatile organic products (VOPs) through the inhibition of swarming motility and pyoverdine production in Pseudomonas aeruginosa. Materials & methods: Twenty-four essential oils and six small volatile organic compounds randomly selected were screened for their anti-QS activity by violacein inhibition on Chromobacterium violaceum. The VOPs with positive results were subsequently evaluated for swarming motility and pyoverdine production on P. aeruginosa determining the colony diameter and fluorescence under UV light, respectively. Results: Fifty percent of VOPs tested showed strong violacein inhibition, 40% presented anti-swarming activity and 33% inhibited pyoverdine production. Conclusion: Our data demonstrate that VOPs have a great potential to inhibit virulence factors mediated by QS in P. aeruginosa

Sign in / Sign up

Export Citation Format

Share Document