Batch Reactor Kinetic Studies of Tungsten LPCVD from Silane and Tungsten Hexafluoride

1996 ◽  
Vol 143 (1) ◽  
pp. 296-302 ◽  
Author(s):  
David A. Bell ◽  
Carol M. McConica ◽  
Kevin L. Baker ◽  
Elizabeth Kuchta
Keyword(s):  
Batch Reactor ◽  
Kinetic Studies ◽  
Tungsten Hexafluoride ◽  
Reactor Kinetic ◽  
And Tungsten

REMOVAL OF AN ORGANIC REFRACTORY COMPOUND BY PHOTOCATALYSIS IN BATCH REACTOR - KINETIC STUDIES

2015 ◽  
Vol 14 (6) ◽  
pp. 1327-1338 ◽  
Author(s):  
Lidia Favier ◽  
Andrei Ionut Simion ◽  
Lacramioara Rusu ◽  
Mariana Liliana Pacala ◽  
Cristina Grigoras ◽  
...  
Keyword(s):  
Refractory Compound ◽  
Batch Reactor ◽  
Kinetic Studies ◽  
Reactor Kinetic

Batch reactor kinetic studies on the reductive dechlorination of chlorinated ethylenes by tetrakis-(4-sulfonatophenyl)porphyrin cobalt

Chemosphere ◽  
2011 ◽  
Vol 82 (4) ◽  
pp. 592-596 ◽  
Author(s):  
Brandon R. Barnett ◽  
Alexandra L. Evans ◽  
Courtney C. Roberts ◽  
Joseph M. Fritsch
Keyword(s):  
Reductive Dechlorination ◽  
Batch Reactor ◽  
Kinetic Studies ◽  
Chlorinated Ethylenes ◽  
Reactor Kinetic

scholarly journals Catalytic wet oxidation of high concentration pharmaceutical wastewater with Fe3+ as catalyst

2018 ◽  
Vol 2017 (3) ◽  
pp. 661-666
Author(s):  
Xu Zeng ◽  
Jun Liu ◽  
Jianfu Zhao
Keyword(s):  
Oxygen Pressure ◽  
Batch Reactor ◽  
Oxygen Demand ◽  
Kinetic Studies ◽  
Cod Removal ◽  
Wet Oxidation ◽  
Catalytic Wet Oxidation ◽  
Pharmaceutical Wastewater ◽  
High Concentration ◽  
Temperature Time

Abstract Catalytic wet oxidation of high concentration pharmaceutical wastewater with Fe3+ as catalyst was carried out in a batch reactor. Results showed that the degradation of pharmaceutical wastewater was enhanced significantly by Fe3+. The effects of reaction parameters, such as the catalyst dose, reaction temperature, time, and initial oxygen pressure, were discussed. The chemical oxygen demand (COD) removal increased with the increases of catalyst dose, temperature, time and oxygen supply. With the initial COD 34,000–35,000 mg/L, approximately 70% COD removal can be achieved under the conditions of catalyst 1.0 g and oxygen pressure 1.0 MPa at 250 °C after 60 min. The results of kinetic studies showed that two reaction steps existed in this oxidation process, which followed an apparent first-order rate law. This process provides an effective approach for the pretreatment of high concentration pharmaceutical wastewater.

The reactions of dimethyl sulphoxide with sulphur tetrafluoride and tungsten hexafluoride

1970 ◽  
Vol 32 (5) ◽  
pp. 1745-1747 ◽  
Author(s):  
J.I. Darragh ◽  
A.M. Noble ◽  
D.W.A. Sharp ◽  
J.M. Winfield
Keyword(s):  
Dimethyl Sulphoxide ◽  
Tungsten Hexafluoride ◽  
And Tungsten

Kinetics of the Ozonation of Tetrabromobisphenol-A in Wastewater

2011 ◽  
Vol 383-390 ◽  
pp. 2945-2950 ◽  
Author(s):  
Jie Zhang ◽  
Shi Long He ◽  
Mei Feng Hou ◽  
Li Ping Wang ◽  
Li Jiang Tian
Keyword(s):  
Rate Constants ◽  
Apparent Rate Constant ◽  
Reaction Rate ◽  
Batch Reactor ◽  
Kinetic Studies ◽  
Tetrabromobisphenol A ◽  
First Order ◽  
Reaction Rate Constants ◽  
Pseudo First Order ◽  
Kinetics Of

The kinetics of TBBPA degradation by ozonation in semi-batch reactor was studied. The reaction rate constants of TBBPA with O3 and •OH were measured by means of direct ozone attack and competition kinetics, and the values of which were 6.10 l/(mol•s), 4.8×109 l/(mol•s), respectively. Results of kinetic studies showed that TBBPA degradation by ozonation under the different conditions tested followed the pseudo-first-order. The values of apparent rate constant of TBBPA degradation increased with the increase of ozone dosage and pH, but decreased with the increase of initial TBBPA concentration.

scholarly journals Studies on the Failure of the First Born Approximation in Electron Diffraction. IV. Molybdenum- and Tungsten Hexafluoride.

1966 ◽  
Vol 20 ◽  
pp. 2698-2710 ◽  
Author(s):  
Hans M. Seip ◽  
Ragnhild Seip ◽  
Kai Siegbahn ◽  
Einar Stenhagen ◽  
Berndt Sjöberg ◽  
...  
Keyword(s):  
Electron Diffraction ◽  
Born Approximation ◽  
Tungsten Hexafluoride ◽  
And Tungsten

Thermal and kinetic studies of sulfur-rich molybdenum and tungsten polysulfides

2021 ◽  
Vol 851 ◽  
pp. 156705
Author(s):  
Anastasiia A. Poltarak ◽  
Vladimir A. Logvinenko ◽  
Andrey N. Enyashin ◽  
Sofya B. Artemkina ◽  
Pavel A. Poltarak ◽  
...  
Keyword(s):  
Kinetic Studies ◽  
And Tungsten
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