Physico-chemical characterization of metal-doped bone chars and their adsorption behavior for water defluoridation

CK Rojas-Mayorga, A Bonilla-Petriciolet… - Applied Surface …, 2015 - Elsevier
… modified with aluminum sulfate (BC-AlS) is the best adsorbent for water defluoridation … is
useful for significantly enhancing the adsorption properties of bone char for water defluoridation. …

Regeneration by surface-coating of bone char used for defluoridation of water

J Christoffersen, MR Christoffersen, R Larsen, IJ Møller - Water research, 1991 - Elsevier
… Since animal bones are not always domestically available and since the burning of the bone
has … is to devise a method by which bone char, saturated with fluoride, can be regenerated. …

The effectiveness of bone char in the defluoridation of water in relation to its crystallinity, carbon content and dissolution pattern

MJ Larsen, EIF Pearce, G Ravnholt - Archives of oral biology, 1994 - Elsevier
defluoridation capacity of the char. The aim of this study was to examine the efficiency of
defluoridation by char produced from various parts of bones … the preparation of the char to its X-…

[HTML][HTML] Chemical regeneration of bone char associated with a continuous system for defluoridation of water

EM Nigri, ALA Santos, A Bhatnagar… - Brazilian Journal of …, 2020 - SciELO Brasil
… This paper aims to present the advances in knowledge of defluoridation by bone char
integrating steps of sorbent regeneration and fluoride removal in continuous systems. The life time …

Defluoridation performance of nano-hydroxyapatite/stilbite composite compared with bone char

T Sani, L Gómez-Hortigüela, J Pérez-Pariente… - Separation and …, 2016 - Elsevier
… of Bone Char (BC). The reaction mechanism involving the fluoride adsorption is analyzed
based on kinetics and isotherm studies. In both nHAST and BC the kinetic data fitted well to a …

Defluoridation of water at high pH with use of brushite, calcium hydroxide, and bone char

MJ Larsen, EIF Pearce… - Journal of Dental …, 1993 - journals.sagepub.com
… when the bone char is exhausted. In conclusion, we show that the bone-char defluoridation
technique can be improved by addition of brushite and calcium hydroxide to the water. The …

[PDF][PDF] Africa's U-turn in defluoridation policy: from the Nalgonda technique to bone char.

E Dahi - Fluoride, 2016 - fluorideresearch.org
… Both countries, learning from the defluoridation experiences … in the defluoridation of water
and they all consider the bone char … Unfortunately bone char defluoridation was not included in …

Regeneration Analysis of Bone Char Used in Water Defluoridation: Chemical Desorption Route, Surface Chemistry Analysis and Modeling

HA González-Ponce… - … Journal of Chemical …, 2023 - Wiley Online Library
… methods are required to improve the water quality, mainly in … on bone char regenerated
with NaOH for water defluoridation… and surface chemistry of bone char using different NaOH …

[HTML][HTML] Bone char as a green sorbent for removing health threatening fluoride from drinking water

SSA Alkurdi, RA Al-Juboori, J Bundschuh… - Environment …, 2019 - Elsevier
… source, pyrolysis between 500 and 700 C seems to be a critical pyrolysis temperature for
bone char used for water defluoridation (taking into account the limitations related to the …

Development of a low cost household bone-char defluoridation filter

BMD Kanouo, MF Fonteh, SP Ngambo - International Journal of Biological …, 2020 - ajol.info
… Regular intake of drinking water containing fluoride above permissible levels (>… skeletal
fluorosis. The objective of this study was to develop a low cost and efficient water defluoridation