Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments
The present paper focuses on improving chromium (III) uptake capacity of sugarcane bagasse through its chemical modification with citric acid and/or sodium hydroxide. The chemical modifications were confirmed by infrared spectroscopy, with an evident peak observed at 1730 cm-1, attributed to carbony...
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| Format: | Article |
| Language: | English |
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Sociedade Brasileira de Química
2012-01-01
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| Series: | Química Nova |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000800021&lng=en&tlng=en |
| _version_ | 1818343527528005632 |
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| author | Vanessa Cristina Gonçalves Dos Santos Antonio de Pádua Andrade Salvado Douglas Cardoso Dragunski Débora Nobile Clausen Peraro César Ricardo Teixeira Tarley Josiane Caetano |
| author_facet | Vanessa Cristina Gonçalves Dos Santos Antonio de Pádua Andrade Salvado Douglas Cardoso Dragunski Débora Nobile Clausen Peraro César Ricardo Teixeira Tarley Josiane Caetano |
| author_sort | Vanessa Cristina Gonçalves Dos Santos |
| collection | DOAJ |
| description | The present paper focuses on improving chromium (III) uptake capacity of sugarcane bagasse through its chemical modification with citric acid and/or sodium hydroxide. The chemical modifications were confirmed by infrared spectroscopy, with an evident peak observed at 1730 cm-1, attributed to carbonyl groups. Equilibrium was reached after 24 h, and the kinetics followed the pseudo-second-order model. The highest chromium (III) maximum adsorption capacity (MAC) value was found when using sugarcane bagasse modified with sodium hydroxide and citric acid (58.00 mg g-1) giving a MAC value about three times greater (20.34 mg g-1) than for raw sugarcane bagasse. |
| first_indexed | 2024-12-13T16:32:00Z |
| format | Article |
| id | doaj.art-1f6f6dc28dac40e4a4bb1c1a4eab5f6d |
| institution | Directory Open Access Journal |
| issn | 1678-7064 |
| language | English |
| last_indexed | 2024-12-13T16:32:00Z |
| publishDate | 2012-01-01 |
| publisher | Sociedade Brasileira de Química |
| record_format | Article |
| series | Química Nova |
| spelling | doaj.art-1f6f6dc28dac40e4a4bb1c1a4eab5f6d2022-12-21T23:38:28ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642012-01-013581606161110.1590/S0100-40422012000800021S0100-40422012000800021Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatmentsVanessa Cristina Gonçalves Dos Santos0Antonio de Pádua Andrade Salvado1Douglas Cardoso Dragunski2Débora Nobile Clausen Peraro3César Ricardo Teixeira Tarley4Josiane Caetano5Universidade ParanaenseUniversidade ParanaenseUniversidade ParanaenseUniversidade Estadual de LondrinaUniversidade Estadual de LondrinaUniversidade Estadual do Oeste do ParanáThe present paper focuses on improving chromium (III) uptake capacity of sugarcane bagasse through its chemical modification with citric acid and/or sodium hydroxide. The chemical modifications were confirmed by infrared spectroscopy, with an evident peak observed at 1730 cm-1, attributed to carbonyl groups. Equilibrium was reached after 24 h, and the kinetics followed the pseudo-second-order model. The highest chromium (III) maximum adsorption capacity (MAC) value was found when using sugarcane bagasse modified with sodium hydroxide and citric acid (58.00 mg g-1) giving a MAC value about three times greater (20.34 mg g-1) than for raw sugarcane bagasse.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000800021&lng=en&tlng=enbiosorptionchromiumsugarcane bagasse |
| spellingShingle | Vanessa Cristina Gonçalves Dos Santos Antonio de Pádua Andrade Salvado Douglas Cardoso Dragunski Débora Nobile Clausen Peraro César Ricardo Teixeira Tarley Josiane Caetano Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments Química Nova biosorption chromium sugarcane bagasse |
| title | Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments |
| title_full | Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments |
| title_fullStr | Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments |
| title_full_unstemmed | Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments |
| title_short | Highly improved chromium (III) uptake capacity in modified sugarcane bagasse using different chemical treatments |
| title_sort | highly improved chromium iii uptake capacity in modified sugarcane bagasse using different chemical treatments |
| topic | biosorption chromium sugarcane bagasse |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000800021&lng=en&tlng=en |
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