scholarly journals Theoretical and Applied Aspects of Hydrodechlorination Processes—Catalysts and Technologies

Catalysts ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 216 ◽  
Author(s):  
M.R. Flid ◽  
L.M. Kartashov ◽  
Yu.A. Treger
Keyword(s):  
Liquid Phase ◽  
Vinyl Chloride ◽  
Review Article ◽  
Catalytic Hydrodechlorination ◽  
Essential Step ◽  
Ozone Depleting Substance ◽  
Complex Hydrides ◽  
Production Wastes ◽  
Phase Data ◽  
Environmentally Sound

The commercial implementation of hydrodechlorination processes will be an essential step in resolving the problem of environmentally sound organochlorine wastes processing. By now, there is a number of fundamental, applied, and process elaborations of such processes, in which chlorine is almost completely removed from wastes. The review article contains a significant number of results including basic regularities of thermal hydrodechlorination, comprehensive and selective catalytic hydrodechlorination. It discusses thermodynamics, kinetics, and catalysts of gas and liquid phase processes. Considerable attention is paid to hydrodechlorination of vinyl chloride production wastes and utilization of tetrachloromethane, which is the ozone-depleting substance. It also discusses hydrodechlorination of mono- and (poly)chlorobenzenes. The important examples of liquid phase data include hydrogenation using complex hydrides of elements. It also includes several flow sheets of hydrodechlorination processes.

Liquid-phase catalytic hydrodechlorination of aromatic chloro derivatives with metal nanopowders

2009 ◽  
Vol 58 (6) ◽  
pp. 1321-1324 ◽  
Author(s):  
A. V. Mekhaev ◽  
O. N. Chupakhin ◽  
M. A. Uimin ◽  
A. E. Ermakov ◽  
M. G. Pervova ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Catalytic Hydrodechlorination ◽  
Chloro Derivatives ◽  
Metal Nanopowders

Studies of nucleating and wet steam flows in two-dimensional cascades

2004 ◽  
Vol 218 (8) ◽  
pp. 843-858 ◽  
Author(s):  
H Mashmoushy ◽  
M R Mahpeykar ◽  
F Bakhtar
Keyword(s):  
Liquid Phase ◽  
Steam Turbine ◽  
Review Article ◽  
Two Dimensional ◽  
Wet Steam ◽  
Blow Down ◽  
Turbine Blading

Many of the problems resulting from the formation and behaviour of the liquid phase in steam turbine blading can be more easily investigated in two-dimensional cascades. To reproduce turbine nucleating and wet steam conditions realistically requires a supply of supercooled steam. The paper is a review article, giving the features of a blow-down cascade tunnel constructed for the purpose and summarizes the results reported. Results obtained in steady supersonic tunnels are also discussed.

The Vibrational Spectra and Structure of Dimethyl Carbonate and its Conformational Behavior

1975 ◽  
Vol 53 (9) ◽  
pp. 1378-1386 ◽  
Author(s):  
J. E. Katon ◽  
M. D. Cohen
Keyword(s):  
Liquid Phase ◽  
Infrared Spectra ◽  
Dimethyl Carbonate ◽  
Solid Phase ◽  
Equilibrium Mixture ◽  
Vibrational Assignment ◽  
Enthalpy Difference ◽  
Oriented Polycrystalline ◽  
Phase Data ◽  
Liquid And Solid Phases

The infrared spectra of dimethyl carbonate in the liquid and solid phases and the Raman spectrum of the liquid phase are reported. The evidence suggests that dimethyl carbonate exists as an equilibrium mixture of at least two conformers in the liquid state. An experimental value for the enthalpy difference of the two conformers of 2.6 ± 0.5 kcal/mol is obtained from the temperature dependency of the infrared spectrum.Dimethyl carbonate crystallizes as an oriented polycrystalline film and polarized infrared spectra of the solid have been obtained. These have been utilized, along with the liquid phase data to obtain an improved vibrational assignment. There appears to be a solid–solid phase change in dimethyl carbonate in the vicinity of 140 K, but the details of this change are not known.

Liquid phase catalytic hydrodechlorination of aryl chlorides over Pd–Al-MCM-41 catalyst

2006 ◽  
Vol 66 (3-4) ◽  
pp. 151-160 ◽  
Author(s):  
Tomonori Kawabata ◽  
Ikuo Atake ◽  
Yoshihiko Ohishi ◽  
Tetsuya Shishido ◽  
Yan Tian ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Aryl Chlorides ◽  
Catalytic Hydrodechlorination ◽  
Mcm 41

Mesoporous materials: versatile supports in heterogeneous catalysis for liquid phase catalytic transformations

RSC Advances ◽  
2015 ◽  
Vol 5 (31) ◽  
pp. 24363-24391 ◽  
Author(s):  
Nabanita Pal ◽  
Asim Bhaumik
Keyword(s):  
Heterogeneous Catalysis ◽  
Liquid Phase ◽  
Mesoporous Materials ◽  
Critical Role ◽  
Review Article ◽  
Catalytic Reactions ◽  
Environment Friendly ◽  
Catalytic Transformations ◽  
Heterogeneous Catalytic ◽  
Green Catalysis

This review article provides an overview of recently reported liquid phase heterogeneous catalytic reactions performed over mesoporous materials, along with their different synthesis strategies and critical role in environment-friendly green catalysis.

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