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Electrode for use in a deionization apparatus and method of making same

A technology for preparing electrodes and conductive carbon, applied in chemical instruments and methods, electrolytic coatings, coatings, etc., can solve problems affecting absorption and electrical properties, and achieve the effect of uniform resistance and power distribution

Inactive Publication Date: 2009-05-13
THE WATER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Non-uniformity of prior art electrodes containing fiber reinforcement, affecting its absorption and electrical properties

Method used

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  • Electrode for use in a deionization apparatus and method of making same
  • Electrode for use in a deionization apparatus and method of making same
  • Electrode for use in a deionization apparatus and method of making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0116] Electrodes manufactured according to the above principles, their properties / characteristics were measured and listed in the table below:

[0117] area

[0118] nature Measurements BET surface area 481.41m 2 / g Langmuir surface area 541.89m 2 / g Single point surface area at P / Po 0.1027 478.483m 2 / g Diameters from 17.0000 to 3000.0000A

Cumulative adsorption of BJH in the pores between

surface area 21.6927m 2 / g

Pore ​​area 419.5970m 2 / g

[0119] volume

[0120] nature Measurements At P / Po 0.9756 diameter less than

812.7211A Porosity single-point total hole

void volume 0.198113

Diameters from 17.0000 to 3000.0000A

Cumulative adsorption of BJH in the pores between

Pore ​​volume 0.032289cc / g

Pore ​​volume 0.166676cc / g

[0121] Pore ​​size

[0122] nature Measurements Langmuir average pore diameter (4V / A) 14.6238A BJH...

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Abstract

An electrode for use in a deionization apparatus is provided and is formed of (1) at least one polymerization monomer selected from the group consisting of phenol, furfural alcohol, dihydroxy benzenes; trihydroxy benzenes; dihydroxy naphthalenes and trihydroxy naphthalnes and mixtures thereof; (2) a crosslinker; and (3) a catalyst; or reaction products thereof, together in a carbonized form that is free of a carbon fiber reinforcing agent.

Description

technical field [0001] The present invention generally relates to an electrochemical separation electrode for the removal of ions and the control, oxidation and reduction of pollutants and impurities in water, liquids and other aqueous industrial process streams, and for the removal of the removed ions during the regeneration process. in solution. The invention further relates to a method of manufacturing the electrode. Background technique [0002] Many different systems exist for the separation of ions and impurities from sewage water or the like. For example, common methods include, but are not limited to, ion exchange, reverse osmosis, electrodialysis, electrodeposition, and filtration. In recent years, many devices have been proposed for the deionization and subsequent regeneration of sewage, etc. [0003] US 6309532 discloses a device for deionization and purification of sewage. The separation unit uses a process called capacitive deionization (CDI), and in contras...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D9/00
CPCC02F2001/46133C02F1/4691C02F1/4604C25D9/00
Inventor B·埃尔森P·诺曼J·R·法捷特
Owner THE WATER
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