SU1522783A1 - ELECTRODE FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF ALKALINE METAL CHLORIDE - Google Patents

ELECTRODE FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF ALKALINE METAL CHLORIDE

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Publication number
SU1522783A1
SU1522783A1 SU4136888/26A SU4136888A SU1522783A1 SU 1522783 A1 SU1522783 A1 SU 1522783A1 SU 4136888/26 A SU4136888/26 A SU 4136888/26A SU 4136888 A SU4136888 A SU 4136888A SU 1522783 A1 SU1522783 A1 SU 1522783A1
Authority
SU
USSR - Soviet Union
Prior art keywords
electrode
tao
electrolysis
aqueous solutions
oxide
Prior art date
Application number
SU4136888/26A
Other languages
Russian (ru)
Inventor
Б.А. Ильин
А.Ф. Мазанко
В.Б. Буссе-Мачукас
Е.А. Новиков
Ф.И. Львович
Е.В. Ламыкин
Original Assignee
Б.А. Ильин
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Б.А. Ильин filed Critical Б.А. Ильин
Priority to SU4136888/26A priority Critical patent/SU1522783A1/en
Application granted granted Critical
Publication of SU1522783A1 publication Critical patent/SU1522783A1/en

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Abstract

Электрод для электролиза водных растворов хлоридов щелочных металлов, содержащий токопроводящую основу из вентильного металла с нанесенным на нее активным покрытием из смеси, содержащей оксиды металлов группы платины, титана и олова, отличающийся тем, что, с целью повышения стойкости электрода в растворах с пониженной концентрацией хлорида щелочного металла, обеспечения возможности устойчивой работы электрода в расширенном допустимом интервале значений рН, активное покрытие электрода дополнительно содержит оксид ниобия и/или тантала, а в качестве оксида металла группы платины содержит оксид рутения и/или иридия, причем указанные окислы взяты в следующем соотношении, мол.%:RuOи/или IrO- 15 - 30TiO- 20 - 50SnO- 10 - 40NbOи/или TaO- 10 - 25при соотношении (TiO+_NbOи/или TaO) : SnO= (0,75 - 7,5) : 1 и TiO: (NbOи/или TaO) = (0,8 - 5) : 1.Electrode for electrolysis of aqueous solutions of alkali metal chlorides, containing a conductive base of a valve metal coated with an active coating of a mixture containing oxides of metals of the platinum, titanium and tin group, characterized in that, in order to increase the resistance of the electrode in solutions with a low chloride concentration alkali metal, ensuring the possibility of stable operation of the electrode in the extended permissible range of pH values, the active coating of the electrode additionally contains niobium oxide and / or tantalum a, and as the oxide of a metal of the platinum group contains ruthenium and / or iridium oxide, and these oxides are taken in the following ratio, mol%: RuO and / or IrO-15 - 30TiO-20 - 50SnO-10 - 40NbO and / or TaO-10 - 25 in the ratio (TiO + _NbOi / or TaO): SnO = (0.75 - 7.5): 1 and TiO: (NbOi / or TaO) = (0.8 - 5): 1.

SU4136888/26A 1986-09-03 1986-09-03 ELECTRODE FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF ALKALINE METAL CHLORIDE SU1522783A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU4136888/26A SU1522783A1 (en) 1986-09-03 1986-09-03 ELECTRODE FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF ALKALINE METAL CHLORIDE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4136888/26A SU1522783A1 (en) 1986-09-03 1986-09-03 ELECTRODE FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF ALKALINE METAL CHLORIDE

Publications (1)

Publication Number Publication Date
SU1522783A1 true SU1522783A1 (en) 1999-07-10

Family

ID=60528528

Family Applications (1)

Application Number Title Priority Date Filing Date
SU4136888/26A SU1522783A1 (en) 1986-09-03 1986-09-03 ELECTRODE FOR ELECTROLYSIS OF AQUEOUS SOLUTIONS OF ALKALINE METAL CHLORIDE

Country Status (1)

Country Link
SU (1) SU1522783A1 (en)

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