Design of a gas-system for testing the phosphine protection of canisters in respirators

Life Cycle Greenhouse Gas Inventory Sensitivity to Changes in Natural Gas System Parameters

10.2172/1526719 ◽

2012 ◽

Author(s):

James Littlefield ◽

Joe Marriott ◽

Timothy J Skone

Keyword(s):

Life Cycle ◽

Natural Gas ◽

Greenhouse Gas ◽

Greenhouse Gas Inventory ◽

System Parameters ◽

Gas System ◽

Natural Gas System

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Formation of sodium disulfite in a solid-gas system

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc19911575 ◽

1991 ◽

Vol 56 (8) ◽

pp. 1575-1579 ◽

Cited By ~ 1

Author(s):

Jiří Vobiš ◽

Karel Mocek ◽

Emerich Erdös

Keyword(s):

Sodium Sulfite ◽

Heterogeneous Reaction ◽

Optimum Conditions ◽

Kinetic Measurements ◽

Dissociation Pressure ◽

Partial Pressures ◽

Gas System ◽

Gaseous Sulfur ◽

Equilibrium Dissociation

The formation of sodium disulfite by the heterogeneous reaction of solid active sodium sulfite with gaseous sulfur dioxide in the presence of water vapour was investigated over the temperature range of 293 to 393 K at SO2. H2O and O2 partial pressures of 1.2-7.4, 1.2-6.4 and 0-11.3 kPa, respectively. The effect of the reaction time was also examined. Kinetic measurements were supplemented with the determination of the equilibrium dissociation pressure of SO2 in contact with sodium sulfite at 373.15 K. The major aim of the work was to establish the optimum conditions for attaining the maximum degree of conversion of the solid reactant to sodium disulfite. The conditions for the formation of virtually pure sodium disulfite were found.

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Optimal Planning of Electricity-Natural Gas Coupling System Considering Power to Gas Facilities

Energies ◽

10.3390/en14123400 ◽

2021 ◽

Vol 14 (12) ◽

pp. 3400

Author(s):

Jie Xing ◽

Peng Wu

Keyword(s):

Natural Gas ◽

Energy Systems ◽

Optimal Planning ◽

Planning Model ◽

Operation Costs ◽

Coupling System ◽

Gas System ◽

Different Types ◽

Power To Gas ◽

Natural Gas System

Bidirectional coupling systems for electricity and natural gas composed of gas units and power-to-gas (P2G) facilities improve the interactions between different energy systems. In this paper, a combined optimization planning method for an electricity-natural gas coupling system with P2G was studied. Firstly, the characteristics of the component model of the electricity-natural gas coupling system were analyzed. The optimization planning model for the electricity-natural gas coupling system was established with the goal of minimizing the sum of the annual investment costs and the annual operation costs. Based on the established model, the construction statuses for different types of units, power lines, and pipelines and the output distribution values for gas units and P2G stations were optimized. Then, the immune algorithm was proposed to solve the optimization planning model. Finally, an electricity-natural gas coupling system composed of a seven-node natural gas system and a nine-node power system was taken as an example to verify the rationality and effectiveness of the model under different scenarios.

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