Apparatus and process
US5032373A · kind A · utility
12Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1988 |
| Grant date | Jul 16, 1991 |
| Priority date | — |
| Expiry date | Jul 15, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/0286
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for the manufacture of sulphuric acid by the contact process of the type comprising at least one gas-concentrated sulphuric acid contacting unit and a sulphuric acid heat exchanger characterized in that the contacting unit and/or heat exchanger is formed of high silicon content austenitic steel. The steel is also of use in sulphuric acid concentrations. Reduced corrosion rates are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.