Physical Chemistry of Aqueous Systems: Meeting the Needs of Industry
ISBN Print: 978-1-56700-034-4
ISBN Online: 978-1-56700-445-8
THE NaCl-Na2SO4-H2O SYSTEM IN SUPERCRITICAL WATER OXIDATION
DOI: 10.1615/ICPWS-1994.720
pages 565-572
Abstrakt
Sodium chloride-sodium su1fate is one of the most commonly encountered mixed salt systems in prospective applications of supercritical water oxidation. When present alone, either salt may readily be precipitated in solid form. With mixtures of these salts, however, eutectic-like phenomena give rise to dense high salt liquids over wide temperature ranges, which can have serious ramifications on process design and performance. The present paper illustrates the phase behavior of the ternary NaCl-Na2SO4-H2O system at 250 and 225 bar and in addition describes the effect of "noncondensible" gases such as the oxidant on the system.
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