Thermochemical processes for hydrogen production by water decomposition. Final report

Technical Report · Fri Aug 01 00:00:00 EDT 1980

DOI:https://doi.org/10.2172/6537060· OSTI ID:6537060

Perlmutter, D D

The principal contributions of the research are in the area of gas-solid reactions, ranging from models and data interpretation for fundamental kinetics and mixing of solids to simulations of engineering scale reactors. Models were derived for simulating the heat and mass transfer processes inside the reactor and tested by experiments. The effects of surface renewal of solids on the mass transfer phenomena were studied and related to the solid mixing. Catalysis by selected additives were studied experimentally. The separate results were combined in a simulation study of industrial-scale rotary reactor performance. A study was made of the controlled decompositions of a series of inorganic sulfates and their common hydrates, carried out in a Thermogravimetric Analyzer (TGA), a Differential Scanning Calorimeter (DSC), and a Differential Thermal Analyzer (DTA). Various sample sizes, heating rates, and ambient atmospheres were used to demonstrate their influence on the results. The purposes of this study were to: (i) reveal intermediate compounds, (ii) determine the stable temperature range of each compound, and (iii) measure reaction kinetics. In addition, several solid additives: carbon, metal oxides, and sodium chloride, were demonstrated to have catalytic effects to varying degrees for the different salts.

• Research Organization: Univ. of Pennsylvania, Philadelphia, PA (United States)
• DOE Contract Number: AS02-76ER02747
• OSTI ID: 6537060
• Report Number(s): DOE/ER/02747-T1
• Country of Publication: United States
• Language: English

Related Subjects

08 HYDROGEN
CARBON
CATALYTIC EFFECTS
CHEMICAL REACTORS
MASS TRANSFER
HYDROGEN PRODUCTION
RESEARCH PROGRAMS
THERMOCHEMICAL PROCESSES
SODIUM CHLORIDES
SULFATES
PYROLYSIS
CHEMICAL REACTION KINETICS
DECOMPOSITION
HEAT TRANSFER
MATHEMATICAL MODELS
WATER
ALKALI METAL COMPOUNDS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
ELEMENTS
ENERGY TRANSFER
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
KINETICS
NONMETALS
OXYGEN COMPOUNDS
REACTION KINETICS
SODIUM COMPOUNDS
SULFUR COMPOUNDS
080102* - Hydrogen- Production- Thermochemical Processes