Apparatus formed of high silicon chromium/nickel in steel in the manufacture of sulpheric acid
US5028396A · kind A · utility
3Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1990 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Jul 25, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/0286
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Apparatus for the manufacture of sulphuric acid comprising at least one gas-concentrated sulphuric acid contacting unit and a sulphuric acid heat exchanger. The contacting unit and/or the heat exchanger is formed of high silicon content austenitic steel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.