DYES REMOVAL IN TEXTILE EFFLUENT USING BIOCHAR OF Persea americana Mill. LEAVES: ISOTHERMAL STUDY AND ADSORPTION COLUMN
The textile industry generates large volumes of effluents with a high concentration of dyes. The treatment of these effluents with alternative adsorbents has been investigated. Preliminary studies have shown that the biochar produced with leaves of Persea americana Mill. was efficient in removing dyes. Thus, in a complementary way, the present work evaluated the removal efficiency of the dyes Levafix Brilliant Red and Remazol Preto B 133% in synthetic textile effluent with the new adsorbent in two stages: a) isothermal studies and b) tests in adsorption column with continuous flow. Five isothermal models were studied. The Langmuir model was the best fit for the data, with an RL of 0.001, indicating that the adsorption is favorable. In the adsorption columns, the adsorption capacity of the dyes was 8.71 mg.g-1 of adsorbent. Therefore, the study demonstrated that the alternative adsorbent could be used to efficiently remove dyes in a continuous process and with reduced costs.
| Principais autores: | , , , |
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| Formato: | Digital revista |
| Idioma: | por |
| Publicado em: |
AIDIS / Instituto de Ingeniería, Universidad Nacional Autónoma de México
2023
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| Acesso em linha: | https://www.revistas.unam.mx/index.php/aidis/article/view/84674 |
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