METHOD FOR SELECTIVE SEPARATION OF MONOVALENT IONIC SPECIES USING ELECTRODES FUNCTIONALIZED WITH SULFONIC GROUPS

The present invention relates to a method for selective separation of positively charged monovalent ionic species from an ionic solution. The method comprises passing the ionic solution comprising a positively charged monovalent ion and a positively charged polyvalent ion through an electrode capaci...

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Main Authors Guyes, Eric N, Suss, Matthew E, Diesendruck, Charles E, Chen, Yinke
Format Patent
LanguageEnglish
Published 03.03.2022
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract The present invention relates to a method for selective separation of positively charged monovalent ionic species from an ionic solution. The method comprises passing the ionic solution comprising a positively charged monovalent ion and a positively charged polyvalent ion through an electrode capacitor assembly comprising a first electrode and a second electrode, said electrodes comprising nanoporous carbon, wherein the first electrode is modified with sulfonate surface groups; and at least one flow channel for the passage of the solution. The method further comprises charging the electrode capacitor assembly (1) at a voltage of at least about 1.5 V; and/or (2) for scaled charging time of less than about 2.
AbstractList The present invention relates to a method for selective separation of positively charged monovalent ionic species from an ionic solution. The method comprises passing the ionic solution comprising a positively charged monovalent ion and a positively charged polyvalent ion through an electrode capacitor assembly comprising a first electrode and a second electrode, said electrodes comprising nanoporous carbon, wherein the first electrode is modified with sulfonate surface groups; and at least one flow channel for the passage of the solution. The method further comprises charging the electrode capacitor assembly (1) at a voltage of at least about 1.5 V; and/or (2) for scaled charging time of less than about 2.
Author Chen, Yinke
Diesendruck, Charles E
Suss, Matthew E
Guyes, Eric N
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Snippet The present invention relates to a method for selective separation of positively charged monovalent ionic species from an ionic solution. The method comprises...
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SubjectTerms CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Title METHOD FOR SELECTIVE SEPARATION OF MONOVALENT IONIC SPECIES USING ELECTRODES FUNCTIONALIZED WITH SULFONIC GROUPS
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