| Revista: | Brazilian journal of chemical engineering |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000308926 |
| ISSN: | 0104-6632 |
| Autors: | Vianna, M.M.G. Ramos1 Franco, J.H.R Pinto, C.A Valenzuela Díaz, F.R Buchler, P.M |
| Institucions: | 1Universidade de Sao Paulo, Escola Politecnica, Sao Paulo. Brasil |
| Any: | 2004 |
| Període: | Jun |
| Volum: | 21 |
| Número: | 2 |
| Paginació: | 239-245 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental, aplicado |
| Resumen en inglés | Recently, increasing concern about pollution of groundwater by organic chemicals has led to research on the use of various adsorbents. This study addressed the sorption of phenol and organic compounds by two organoclays and a coal/mineral complex (ARO). The organoclays used were a bentonite from Brazil (SVC) and Wyoming bentonite (SWy) with quaternary ammonium salt (ABDMA). Swelling capacity of the sorbents in toluene, diesel, gas, Varsol and kerosene were measured. Absorption of organic compounds served as an ASTM D 281-95 base, which resulted in the following order for ABDMA-SVC: gas > toluene > kerosene > diesel > Varsol. ABDMA-SWy absorbed in the following order: gas > toluene > Varsol > diesel > kerosene. ARO absorbed: gas > toluene >diesel > Varsol > kerosene. Sorption of phenol followed the order of ABDMA-SVC > ABDMA-SWy > ARO. The adsorption data show that the materials prepared were effective in sorbing phenol, and that the Brazilian clay was the most efficient of the three materials |
| Disciplines | Química, Ingeniería |
| Paraules clau: | Ingeniería ambiental, Aguas subterráneas, Contaminación, Hidrocarburos, Arcilla orgánica, Fenol, Adsorción, Absorción |
| Keyword: | Chemistry, Engineering, Environmental engineering, Groundwater, Pollution, Hydrocarbons, Organic clay, Phenol, Adsorption, Absorption |
| Text complet: | Texto completo (Ver HTML) |
