Способ приготовления катализатора для окисления двуокиси серы
Patents
Language: |
Русский |
Type: |
Invention |
Number |
SU 1210885 A |
Request number: |
3601960/23-04 |
Request date: |
Apr 22, 1983 |
patent.field.start_date: |
|
Registration date: |
Feb 15, 1986 |
patent.field.request_publication_date: |
|
Authors |
Боресков Г.К.
,
Ляхова В.Ф.
,
Бараковских Т.В.
,
Иванов А.А.
,
Иванова Т.В.
,
Бакаев А.Я.
|
Affiliations |
1 |
Ордена Трудового Красного Знамени институт катализа СО АН СССР
|
2 |
Специальное конструкторско-технологическое бюро катализаторов
|
|
The catalyst for oxidizing SO2 in a fluidized bed is obtained by impregnating an Al silicate support with a vanadyl sulfate and K bisulfate soln. with subsequent drying and calcining. A catalyst with increased activity is obtained by using as a support Al silicate contg. 6-9 wt.% Al2O3 which is precalcined at 500-700° and cooled to 180-200° prior to impregnating and by drying in a fluidized bed with a gradual temp. increase from 80 to 300°.