On the Kinetics of the Active Zone of the Stationary SF6 Beam Discharge Plasma

1985 ◽  
Vol 25 (2) ◽  
pp. 199-213
Author(s):  
R. Winkler ◽  
J. Wilhelm ◽  
A. A. Ivanov ◽  
N. G. Popkov
Keyword(s):  
Active Zone ◽  
Discharge Plasma ◽  
Kinetics Of

KINETICS OF THE ELECTRONS IN THE STATIONARY BEAM DISCHARGE PLASMA IN DIATOMIC GASES

1979 ◽  
Vol 40 (C7) ◽  
pp. C7-261-C7-262
Author(s):  
R. Winkler ◽  
J. Wilhelm ◽  
A. A. Ivanov ◽  
V.V. Starykh
Keyword(s):  
Discharge Plasma ◽  
Kinetics Of

Some Properties of Elastomeric Compositions with High-disperse Carbon Additives

2016 ◽  
Vol 10 (3) ◽  
pp. 305-310
Author(s):  
Konstantin Vishnevskii ◽  
◽  
Zhanna Shashok ◽  
Nikolai Prokopchuk ◽  
◽  
...  
Keyword(s):  
Discharge Plasma ◽  
Carbon Nanomaterial ◽  
Disperse Carbon ◽  
Carbon Additives ◽  
Equilibrium Swelling ◽  
Vulcanization Kinetics ◽  
Filled Rubbers ◽  
Nonlinear Elastic ◽  
Kinetics Of ◽  
High Voltage Discharge

The influence of a carbon nanomaterial obtained in a high-voltage discharge plasma on the endurance of elastomer compositions has been investigated. Complex tests of elastomeric compositions with highly dispersed carbon additives allowed us to confirm the model of nonlinear elastic deformation of macromolecules and adhesion between the elastomer and the nanoparticles. The results of these investigations agree with those obtained in determining the Mooney viscosity and relaxation, the parameters of the vulcanization kinetics of rubber mix, conventional tensile strength, and relative breaking elongation of highly filled rubbers based on butadiene-nitrile caoutchoucs. To verify the assumed mechanism underlying the action of a carbon nanomaterial on elastomer compositions, the parameters of their vulcanizing network have been determined using the method of equilibrium swelling.

Effect of Electrodes Material on the Performance of Batch Reactor Using Plasma Enhanced Technique for Wastewater Treatment

2018 ◽  
Vol 786 ◽  
pp. 409-417
Author(s):  
Gehad M. Abd El-Gelil ◽  
Moustapha S. Mansour ◽  
A.H. El-Shazly ◽  
Hanaa Abou-Gabal
Keyword(s):  
Corona Discharge ◽  
Ferrous Sulfate ◽  
Discharge Plasma ◽  
Batch Reactor ◽  
Degradation Process ◽  
Air Gaps ◽  
Eosin Yellow ◽  
Kinetics Of ◽  
Corona Discharge Plasma ◽  
Decoloration Rate

The plasma degradation process of Eosin yellow aqueous solution utilizing AC corona discharge generated above liquid with a type of pin to plate by utilizing multiple needles electrodesis investigated the influence of electrodes material and effect of ferrous sulfate on decoloration and the kinetics of process are discussed. The AC corona discharge plasma was generated in the air gap between tip of needles and the water surface. The experimental results indicate that the decoloration rate increases with using stainless steel electrodes and with increasing the concentration of FeSO4. When dye concentration is 10 mg/L with pH of 3, the air gaps were 0.85 cm and the number of pins were 30, the decoloration rate went up to 97% in 60 min.

scholarly journals Ion-Imprinted Polypropylene Fibers Fabricated by the Plasma-Mediated Grafting Strategy for Efficient and Selective Adsorption of Cr(VI)

Polymers ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 1508 ◽  
Author(s):  
Zhengwei Luo ◽  
Jiahuan Xu ◽  
Dongmei Zhu ◽  
Dan Wang ◽  
Jianjian Xu ◽  
...  
Keyword(s):  
Time Pressure ◽  
Discharge Plasma ◽  
Selective Adsorption ◽  
Polypropylene Fibers ◽  
Adsorption Selectivity ◽  
Plasma Irradiation ◽  
Ion Imprinted ◽  
The Stability ◽  
Kinetics Of

To improve the adsorption selectivity towards hexavalent chromium anion (Cr(VI)), surface Cr(VI)-imprinted polypropylene (PP) fibers were fabricated by the plasma-mediated grafting strategy. Hence, a non-thermal Rradio frequency discharge plasma irradiation followed by a gaseous phase grafting was used to load acrylic acid (AA) onto PP fibers, which was afterwards amidated with triethylenetetramine and subjected to imprinting with a Cr(VI) template. The plasma irradiation conditions, i.e., gas species, output power, pressure, and time, were optimized and then the influence of grafting time, pressure, and temperature on the grafting degree of AA was investigated. Scanning electron microscopy and Fourier transform infrared spectroscopy were used for the characterization of pristine and modified fibers and to confirm the synthesis success. The hydrophilicity of modified fibers was greatly improved compared with pristine PP fibers. The adsorption thermodynamics and kinetics of Cr(VI) were investigated, as well as the elution efficiency and reusability. The prepared imprinted fibers showed superior adsorption selectivity to Cr(VI) compared with non-imprinted fibers. Finally, the stability of the imprinted fibers against the oxidation ability of Cr(VI) is discussed.

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