CoChat
Sign Up
Cited by 46Phosphorus and nutrient managementAdsorption and biosorption for pollutant removalCoagulation and Flocculation Studies

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Preparation of adsorbent for phosphate recovery from aqueous solutions based on condensed tannin gel

Ogata, Takeshi, Morisada, Shintaro, Oinuma, Yasumi, Seida, Yoshimi, Nakano, Yoshio·2011·Journal of Hazardous Materials
DOI 10.1016/j.jhazmat.2011.05.073
Open this paper in CoChat — free account

Abstract

We have synthesized an iron-loaded tannin gel as an adsorbent for phosphate recovery in aqueous solutions. The use of the tannin gel prepared from condensed tannin, which is a ubiquitous and inexpensive natural polymer, is not only cost effective and environment-friendly, but interesting because the phosphate-adsorbed gel can be expected to use directly as a fertilizer. The amount of iron loaded into the tannin gel oxidized by nitric acid was much larger than that into the non-oxidized tannin gel. This increase in the amount of the loaded iron resulted in the significant increase in the adsorption amount of phosphate onto the gel. Mössbauer spectroscopy indicated that the morphology of iron in the gel is a mono-type complex, which is formed as a result of the reaction between Fe(III) and the oxidized tannin gel with carbonyl groups. The iron-loaded tannin gel showed the adsorption selectivity for phosphate over other anions and the pH independence of phosphate adsorption in the wide range of initial pH 3-12. The phosphate adsorption isotherm for the iron-loaded tannin gel followed the Freundlich equation with constants of K(F)=2.66 and 1/n=0.31, rather than the Langmuir equation. The adsorption amount of phosphate on iron weight basis for the iron-loaded tannin gel is 31.3mg-P/g-Fe, which indicates that iron in the gel was efficiently used for the phosphate adsorption compared with other phosphate adsorbents, such as iron hydroxides.

Overview

Integrity signals

Registry

Crossref · 10.1016/j.jhazmat.2011.05.073

Cites

33 of 33 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Verification

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Citations

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Related

Metadata

Authors
Ogata, T., Morisada, S., Oinuma, Y., Seida, Y., & Nakano, Y.
Affiliations
Tokyo Institute of Technology (JP)
Corresponding author
Morisada, Shintaro
ORCID
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2011-08
Volume
192
Issue
2
Pages
698-703
ISSN
0304-3894 (ISSN-L)
DOI
10.1016/j.jhazmat.2011.05.073
OpenAlex
W2015834925
Cited by
46
References
33
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2022: 5 · 2021: 6 · 2020: 5 · 2019: 4 · 2018: 3 · 2017: 4 · 2016: 2 · 2015: 1 · 2014: 3 · 2013: 3 · 2012: 5
FWCI
7.69
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Phosphorus and nutrient management
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
Keywords
phosphate adsorption, phosphorus recovery, iron(III) complexation, nitric acid oxidation, Freundlich isotherm, pH independence, phosphorus fertilizer, natural polymer adsorbents
MeSH terms
Adsorption, Gels, Microscopy, Electron, Scanning, Phosphates, Solutions, Tannins, Water, Spectroscopy, Mossbauer

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review