Comparative study of in-situ formation process of Mg-Al layered double hydroxides though two pathways to remove Cr(VI) and As(V) from wastewater

• Published in: Journal of environmental chemical engineering Vol. 11; no. 5; p. 111043
• Main Authors: Xie, Yuan, Huang, Hanhan, Zhang, Zihan, Wang, Yu, Kong, Fanping, Ma, Zequn, Liu, Huiqiang, Meng, Zilin
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2023
• Subjects: As(V); Cr(VI); Formation mechanism; Layered double hydroxide; As(V); Cr(VI); Layered double hydroxide; Formation mechanism

The method of direct synthesis of layered double hydroxide (LDHs) in wastewater has attracted wide attention, but the formation process and removal mechanism are still unclear. In this study, two different paths of alkali solution (NaOH) dropped to salt solution (Mg2+/Al3+) (A-S process) and salt so...