Removal of heavy metal ions from water by using calcined phosphate as a new adsorbent

A Aklil, M Mouflih, S Sebti - Journal of hazardous materials, 2004 - Elsevier
… This study showed that calcined phosphate can be used as a new adsorbent capable to
remove several toxic metals such as Pb(II), Cu(II), and Zn(II). The adsorption of the metal ions

Removal of phosphate from aqueous solutions using calcined metal hydroxides sludge waste generated from electrocoagulation

AK Golder, AN Samanta, S Ray - Separation and Purification Technology, 2006 - Elsevier
… PO 4 3− has strong affinity for metal ions like Cr 3+ and Al 3+ . Oxides of Cr and Al in
aqueous medium will have surface OH groups. PO 4 3− in solution undergoes ligand exchange …

Adsorption of phosphate ion in aqueous solutions by calcined cobalt hydroxide at different temperatures

F Ogata, D Imai, M Toda, M Otani… - Journal of Environmental …, 2015 - Elsevier
… In this study, we prepared calcined cobalt hydroxide (cobalt oxide) and used it as an
adsorbent for phosphate ion adsorption from aqueous solution. The properties of the adsorbents, …

High adsorption selectivity of ZnAl layered double hydroxides and the calcined materials toward phosphate

H He, H Kang, S Ma, Y Bai, X Yang - Journal of Colloid and Interface …, 2010 - Elsevier
… The calcined samples possibly proceed … phosphate ions and hydrated ZnO formed after
calcination, although the structural memory effect was observed for the samples calcined below …

Influence of calcination on the adsorptive removal of phosphate by Zn–Al layered double hydroxides from excess sludge liquor

X Cheng, X Huang, X Wang, D Sun - Journal of Hazardous Materials, 2010 - Elsevier
… this study, phosphate adsorption onto LDHs (raw or calcined) could be attributed to a
combination of different mechanisms, eg, surface adsorption, ion exchange and ion incorporation …

Calcination activation of three-dimensional cobalt organic phosphate nanoflake assemblies for supercapacitors

Q Jing, W Li, J Wang, X Chen, H Pang - Inorganic Chemistry Frontiers, 2021 - pubs.rsc.org
… By using cobalt(II) acetylacetonate as the metal ion center and phenyl phosphonic acid (C
6 H 7 O 3 P) as a ligand in methanol, the morphology of COP precursor was adjusted by …

Phosphate adsorption on metal oxides and metal hydroxides: A comparative review

M Li, J Liu, Y Xu, G Qian - Environmental Reviews, 2016 - cdnsciencepub.com
… However, apertures may not match well with metal ions or the positively charged metal sol
particles. … The calcination process may influence weak phosphate adsorption on the surface of …

Properties of a novel adsorbent produced by calcination of nickel hydroxide and its capability for phosphate ion adsorption

F Ogata, D Imai, M Toda, M Otani… - Journal of industrial and …, 2016 - Elsevier
… This study shows that calcined nickel hydroxide is an effective and widely available … of
phosphate ion from aqueous solution. Virgin nickel hydroxide (Ni) was prepared by calcination at …

Influence of the nature and concentration of precursor metal ions in the brucite layer of LDHs for phosphate adsorption–a review

N Baliarsingh, KM Parida, GC Pradhan - RSC advances, 2013 - pubs.rsc.org
… precursor metal ions and their concentrations in the brucite layers for the removal of phosphate
Calcined LDHs can remove phosphate ions through a process called memory effect, in …

Adsorption of phosphate from seawater on calcined MgMn-layered double hydroxides

R Chitrakar, S Tezuka, A Sonoda, K Sakane… - Journal of Colloid and …, 2005 - Elsevier
… of weak nonstoichiometric phases has been postulated to occur when divalent or trivalent
metal ions in LDHs are susceptible to oxidizing during calcination at ⩾300 C in air [14]. Since …