Chemistry: electrical and wave energy – Processes and products
Patent
1992-02-28
1994-03-01
Gorgos, Kathryn
Chemistry: electrical and wave energy
Processes and products
204103, 204129, 204252, C25B 116, C25B 900
Patent
active
052904059
ABSTRACT:
A electrolytic cell for efficiently producing caustic from sodium salts via use of a thin membrane of ceramic or ceramic composite electrolyte is disclosed. Ceramic electrolytes having a very mobile sodium ion such as NASICON are very effective in cells producing concentrated caustic from sodium salts of strong acids.
REFERENCES:
patent: 4119503 (1978-10-01), Spaziante et al.
patent: 4990413 (1991-02-01), Lee et al.
Kudo et al., Solid State Ionics, pp. 107-108, Nasicon and Related Oxoacid Salts, no date given.
Aquatech Bipolar Membrane System (advertising materials), 1985.
Basta, Nicholas. "Use Electrodialytic Membranes For Waste Recovery", Chemical Engineering, Mar. 3, 1986.
"Bipolar membrane systems available for pilot leasing", Chemical Processing, Sep. 1986, p. 119.
Chowhury, Jayadev. "New chlor-alkali methods", Chemical Engineering, Apr. 30, 1984, pp. 22-27.
"Production of Acid and Caustic From Salt (Ion Substituion)", [press release], Ionics Incorporated, no date available.
Wett, Ted. "The Edge in Electrolyzers", Chemical Business, Jul. 1989, pp. 41-44.
Winnick, Jack. "Electrochemical Membrane Gase Separation", Chemical Engineering Progress, Jan. 1990, pp. 41-46.
Bjorseth Alf
Joshi Ashok V.
Liu Meilin
Renberg Lars
Ceramatec, Inc.
Gorgos Kathryn
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