Zinc adsorption from aqueous solution on biosorbent from urban pruning waste.
Environ Technol
; 43(5): 728-736, 2022 Feb.
Article
em En
| MEDLINE
| ID: mdl-32723021
In this study, urban pruning waste biosorbent after thermal activation process was used to remove zinc ion from aqueous solution. The zinc adsorption was fast, with values above 98.0% removal after 5â
min. The maximum removal achieved was 99.4% in 360â
min, at 30°C, pH 5.0, and initial zinc concentration of 10â
mgâ
L-1. The adsorption process was adequately described by the pseudo-second-order kinetic model (R2 = 1.000), and data obtained from batch adsorption experiments fitted well with the Langmuir isotherm model. The maximum adsorption capacity of zinc onto urban pruning waste biosorbent was 18.382â
mgâ
g-1 at 30°C. Thus, it is concluded that urban pruning waste can be used as a low-cost alternative biosorbent to remove zinc in aqueous solutions.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Poluentes Químicos da Água
/
Purificação da Água
Idioma:
En
Revista:
Environ Technol
Assunto da revista:
SAUDE AMBIENTAL
/
TOXICOLOGIA
Ano de publicação:
2022
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Reino Unido