Open AccessAdsorption PO43- ion in aqueous solution using ZnO nanomaterials fabricated by electrochemical method
Author(s) -
Quynh Pham Huong,
Anh Luong Thi,
L L D Thi,
Phuong Ha Nam,
Trung Nguyễn Thành,
Oanh Phung Thi
Publication year - 2020
Publication title -
xúc tác và hấp phụ
Language(s) - English
Resource type - Journals
ISSN - 0866-7411
DOI - 10.51316/jca.2020.054
Subject(s) - adsorption , aqueous solution , nanomaterials , electrochemistry , langmuir adsorption model , ion , phosphate , materials science , inorganic chemistry , chemistry , nuclear chemistry , chemical engineering , electrode , nanotechnology , organic chemistry , engineering
The study presents the results of the adsorption ability of phosphate ion (PO43-) in aqueous solution using ZnO nanomaterials fabricated by electrochemical method. The effects of initial pH (1-8), contact time (0-180 minutes), initial adsorbent dosages (0.2-1.2 g/L), and initial concentrations of PO43- ion (10-100 mg/L) have been studied at ambient temperatures (25°C±2°C). The results found the optimal conditions for adsorption of PO43- at pH=5, 90 minutes of equilibrium time, and 0.6 g/L of adsorbent dosages. The model of Langmuir has been found perfectly adequate to describe the equilibrium results of adsorption and the maximum capacity has been determined to be 101,01 mg/g. The results are promising for the use of ZnO nanomaterials to remove PO43- ion from the aqueous solution as well as the application of wastewater treatment in real conditions.