| Main Title |
Surface Area of Calcium Oxide and Kinetics of Calcium Sulfide Formation. |
| Author |
Borgwardt, R. H. ;
Roache, N. F. ;
Bruce, K. R. ;
|
| CORP Author |
Industrial Environmental Research Lab., Research Triangle Park, NC. ;Northrop Environmental Services, Inc., Research Triangle Park, NC. |
| Year Published |
1984 |
| Report Number |
EPA/600/J-84/129; |
| Stock Number |
PB85-116085 |
| Additional Subjects |
Reaction kinetics ;
Surface chemistry ;
Air pollution control ;
Burners ;
Electric power plants ;
Calcium oxides ;
Chemical reactions ;
Limestone ;
Combustion products ;
Industrial wastes ;
Hydrogen sulfide ;
Carbon monoxide ;
Injection ;
Performance evaluation ;
Reprints ;
Calcium sulfides ;
Injection multistate burners
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB85-116085 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
10p |
| Abstract |
The article gives results of measurements of the reaction rates of H2S and COS with micrometer-size calcined limestone particles, as a function of the B.E.T. surface area of the CaO over the range of 5.8 to 79 sq m/g. Reactivity increased with the 2.3 power of specific surface area and showed an apparent activation energy of 31 kcal/mol for both reactions. Results indicate that the specific surface area existing immediately after the decomposition of CaCO3 is a critical variable affecting sulfur capture by limestone injected in coal burners. Measured rates are adequate to predict efficient capture by CaS formation at combustion temperatures for the expected values of CaO surface area. |
