Correction

This article refers to:

Comparative study of low-cost fluoride removal by layered double hydroxides, geopolymers, softening pellets and struvite

Article title: Comparative study of low-cost fluoride removal by layered double hydroxides, geopolymers, softening pellets and struvite

Authors: Liangfu Wei, Zhenming Li, Guang Ye, Luuk C. Rietveld and Doris van Halem

Journal: Environmental Technology

DOI: https://doi.org/10.1080/09593330.2021.1946600

Environmental Technology acknowledges that this article was first published online on 1^st July 2021, where table 4 along with their caption was wrongly published. Now, table 4 has been removed and the corrected version has been re-posted to online.