Solid deposition in hydrocarbon systems: Hydrates of natural gases, annual report, April 1, 1991-December 31, 1991
Technical Report
·
OSTI ID:6421829
The project addresses the deposition of hydrates in hydrocarbon systems. Its specific focus is on metastability, nucleation, and kinetics of hydrate formation. The research should provide basic data and knowledge necessary to support the gas industry goals for reliable operation of marine pipelines and the development of inhibitors. The main research objective of the contract is to establish a basis for better understanding of the hydrate formation and decomposition processes. In particular, studies of phase transitions carried out at the laboratory have identified two interesting domains in the hydrate formation/decomposition process: (1) the cool-down region prior to the massive, spontaneous hydrate formation; and (2) the final decomposition region. Both regions exhibit metastable equilibrium which is possibly due to transient sub-units of the hydrate crystal lattice. Evidence of these transient structures using the two phase transition apparatuses and our differential heat flux calorimeter will be studied.
- Research Organization:
- Rice Univ., Houston, TX (United States). Dept. of Chemical Engineering
- OSTI ID:
- 6421829
- Report Number(s):
- PB-93-189314/XAB; CNN: GRI-5091-260-2123
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
03 NATURAL GAS
032000* -- Natural Gas-- Transport
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& Storage
033000 -- Natural Gas-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400200 -- Inorganic
Organic
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ALKANES
CHEMICAL REACTIONS
CORROSION PROTECTION
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DECOMPOSITION
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ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GAS HYDRATES
GASES
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HYDROCARBONS
INDUSTRY
KINETICS
METHANE
NATURAL GAS
NATURAL GAS INDUSTRY
NUCLEATION
ORGANIC COMPOUNDS
PHASE STUDIES
PHASE TRANSFORMATIONS
PIPELINES
PROPANE
REACTION KINETICS
032000* -- Natural Gas-- Transport
Handling
& Storage
033000 -- Natural Gas-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400200 -- Inorganic
Organic
& Physical Chemistry
ALKANES
CHEMICAL REACTIONS
CORROSION PROTECTION
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DECOMPOSITION
DEPOSITION
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GAS HYDRATES
GASES
HYDRATES
HYDROCARBONS
INDUSTRY
KINETICS
METHANE
NATURAL GAS
NATURAL GAS INDUSTRY
NUCLEATION
ORGANIC COMPOUNDS
PHASE STUDIES
PHASE TRANSFORMATIONS
PIPELINES
PROPANE
REACTION KINETICS